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Transmission includes three relatively rotatable sun gears

Subclass of:

475 - Planetary gear transmission systems or components

475269000 - WITH MEANS TO VARY DRIVE RATIO OR DISCONNECT DRIVE (E.G., BRAKE OR CLUTCH)

475271000 - Plural elements selectively braked

Patent class list (only not empty are listed)

Deeper subclasses:

Class / Patent application numberDescriptionNumber of patent applications / Date published
475276000 With brake for sun, carrier and orbit 230
475277000 With brake for plural sun gears 65
475279000 With brake for plural orbits 5
20120178583CLUTCH AND GEAR ARRANGEMENT FOR A FRONT WHEEL DRIVE VEHICLE - A front wheel drive transmission is provided having an input member, an output member, four planetary gear sets, a plurality of coupling members and a plurality of torque transmitting devices. Each of the planetary gear sets includes a sun gear member, a planet carrier member, and a ring gear member. The torque transmitting devices include clutches and a brake arranged within a transmission housing. Each of the clutches and the brake are located within specific areas defined by the planetary gear sets and the housing walls.07-12-2012
20140073473MULTISTAGE TRANSMISSION - A transmission comprising a transmission (03-13-2014
20140073474MULTISTAGE TRANSMISSION - A multistage transmission of a planetary design which comprises a basic transmission and a group transmission arranged downstream of the basic transmission. The basic transmission comprises three planetary gearsets, at least six rotatable shafts and at least five shift elements, and selected engagement thereof which results in different transmission ratios between an input and an output drive. The group transmission has a minus planetary gearset. The sun gear of the minus planetary gearset is connected to the output shaft of the basic transmission. The ring gear of the minus planetary gearset can be coupled to the housing, via a first shift element. The carrier of the minus planetary gearset is connected to the output shaft of the multi-stage transmission and is connectable to the ring gear, via a second shift element. The basic and the group transmissions are arranged together within the housing.03-13-2014
20140073475MULTISTAGE TRANSMISSION - A transmission having basic and reversing transmissions. The basic transmission has planetary gearsets, shafts and shift elements. A sun of gearset (P03-13-2014
20140113762AUTOMATIC TRANSMISSION ASSEMBLY - A transmission includes gearsets each including rotating members, a support held against rotation, brake servos located in the support, brakes each actuated by one of the brake servos for producing a connection between the support and a respective gearset member, a housing, clutch servos located in the housing, and clutches each actuated by one of the clutch servos for producing a drive connection between the housing and a respective gearset member.04-24-2014
Entries
DocumentTitleDate
20080207380Wide ratio transmissions with multliple gear ratios - The transmission has a plurality of members that can be utilized in powertrains to provide at least seven forward speed ratios and one reverse speed ratio. The transmission includes three planetary gear sets having seven torque-transmitting mechanisms and two fixed interconnections. The powertrain includes an engine and torque converter that is continuously connected to at least one of the planetary gear members and an output member that is continuously connected with another one of the planetary gear members. The seven torque-transmitting mechanisms provide interconnections between various gear members and with the transmission housing, and are operated in combinations of three to establish at least seven forward speed ratios and at least one reverse speed ratio.08-28-2008
20080220928Automatic transmission - In an automatic transmission 09-11-2008
20080234092Gear Transmission - A gear transmission comprises a traveling load detection means including an upstream detection member, a downstream detection member and a biasing member. One of the upstream and downstream detection members is an axially slidable detection member which is axially slidable along an output shaft. One of the upstream and downstream detection members has a first engagement part and a second engagement part. The first engagement part and the second engagement part generate respective forces for sliding the axially slidable detection member opposite to the biasing direction of the biasing member. The forces are changed according to variation of the traveling load.09-25-2008
200802424728-Speed Transmission - The transmission has a plurality of members that can be utilized in powertrains to provide eight forward speed ratios and one reverse speed ratio. The transmission includes four planetary gear sets having five torque-transmitting devices, two fixed interconnections and two grounded members. The powertrain includes an engine and torque converter that is continuously connected to at least one of the planetary gear members and an output member that is continuously connected with another one of the planetary gear members. The five torque-transmitting devices provide interconnections between various gear members, and are operated in combinations of three to establish at least eight forward speed ratios and at least one reverse speed ratio.10-02-2008
200802424738-Speed Transmission - The transmission has a plurality of members that can be utilized in powertrains to provide eight forward speed ratios and one reverse speed ratio. The transmission includes three planetary gear sets having six torque-transmitting devices, a fixed interconnection and a grounded member. The powertrain includes an engine and torque converter that is selectively connected to at least one of the planetary gear members and an output member that is continuously connected with another one of the planetary gear members. The six torque-transmitting devices provide interconnections between various gear members, the transmission housing and with the input member, and are operated in combinations of three to establish at least eight forward speed ratios and at least one reverse speed ratio.10-02-2008
20080242474EIGHT SPEED AUTOMATIC TRANSMISSION - An automatic transmission is provided having an input member, an output member, four planetary gear sets, a plurality of coupling members and a plurality of torque transmitting devices. Each of the planetary gear sets includes first, second and third members. The torque transmitting devices may be either clutches or brakes.10-02-2008
20080242475EIGHT SPEED AUTOMATIC TRANSMISSION - An automatic transmission is provided having an input member, an output member, four planetary gear sets, a plurality of coupling members and a plurality of torque transmitting devices. Each of the planetary gear sets includes first, second and third members. The torque transmitting devices may be either clutches or brakes.10-02-2008
200802748518-Speed Transmission - The transmission has a plurality of members that can be utilized in powertrains to provide eight forward speed ratios and one reverse speed ratio. The transmission includes three planetary gear sets having six torque-transmitting mechanisms, two fixed interconnections and a grounded member. The powertrain includes an engine and torque converter that is selectively connected to at least one of the planetary gear members and an output member that is continuously connected with another one of the planetary gear members. The six torque-transmitting mechanisms provide interconnections between various gear members, the transmission housing and with the input member, and are operated in combinations of three to establish eight forward speed ratios and one reverse speed ratio.11-06-2008
20080287248MULTI-SPEED TRANSMISSION - A transmission is provided having an input member, an output member, three planetary gear sets, a plurality of coupling members and a plurality of torque transmitting devices. Each of the planetary gear sets includes first, second and third members. The torque transmitting devices may include clutches and brakes.11-20-2008
200802935358-Speed Transmission - The transmission has a plurality of members that can be utilized in powertrains to provide eight forward speed ratios and one reverse speed ratio. The transmission includes three planetary gear sets having six torque-transmitting mechanisms and two fixed interconnections. The powertrain includes an engine and torque converter that is continuously connected to one of the planetary gear members and an output member that is continuously connected with another one of the planetary gear members. The six torque-transmitting mechanisms provide interconnections between various gear members, the transmission housing and with the input member, and are operated in combinations of three to establish eight forward speed ratios and one reverse speed ratio.11-27-2008
200803000878-Speed Transmission - The transmission has a plurality of members that can be utilized in powertrains to provide eight forward speed ratios and one reverse speed ratio. The transmission includes four planetary gear sets having five torque-transmitting mechanisms, three fixed interconnections and two grounded members. The powertrain includes an engine and torque converter that is continuously connected to at least one of the planetary gear members and an output member that is continuously connected with another one of the planetary gear members. The five torque-transmitting mechanisms provide interconnections between various gear members, and are operated in combinations of two to establish at least eight forward speed ratios and at least one reverse speed ratio.12-04-2008
200803000888-Speed Transmission - The transmission has a plurality of members that can be utilized in powertrains to provide eight forward speed ratios and one reverse speed ratio. The transmission includes three planetary gear sets having six torque-transmitting mechanisms and two fixed interconnections. The powertrain includes an engine and torque converter that is continuously connected to one of the planetary gear members and an output member that is continuously connected with another one of the planetary gear members. The six torque-transmitting mechanisms provide interconnections between various gear members, the transmission housing and with the input member, and are operated in combinations of three to establish eight forward speed ratios and one reverse speed ratio.12-04-2008
200803000898-Speed Transmission - The transmission has a plurality of members that can be utilized in powertrains to provide eight forward speed ratios and one reverse speed ratio. The transmission includes four planetary gear sets having five torque-transmitting mechanisms, two fixed interconnections and one grounded member. The powertrain includes an engine and torque converter that is continuously connected to at least one of the planetary gear members and an output member that is continuously connected with another one of the planetary gear members. The five torque-transmitting mechanisms provide interconnections between various gear members, and the transmission housing, and are operated in combinations of two to establish at least eight forward speed ratios and at least one reverse speed ratio.12-04-2008
200803000908-Speed Transmission - The transmission has a plurality of members that can be utilized in powertrains to provide eight forward speed ratios and one reverse speed ratio. The transmission includes four planetary gear sets having five torque-transmitting mechanisms, two fixed interconnections and three grounded members. The powertrain includes an engine and torque converter that is continuously connected to at least one of the planetary gear members and an output member that is continuously connected with another one of the planetary gear members. The five torque-transmitting mechanisms provide interconnections between various gear members, and are operated in combinations of two to establish at least eight forward speed ratios and at least one reverse speed ratio.12-04-2008
20090011891MULTI-SPEED TRANSMISSION - A transmission is provided having an input member, an output member, four planetary gear sets, a plurality of coupling members and a plurality of torque transmitting devices. Each of the planetary gear sets includes first, second and third members. The torque transmitting devices may include clutches and brakes.01-08-2009
200900179638-Speed Transmission - The transmission has a plurality of members that can be utilized in powertrains to provide eight forward speed ratios and one reverse speed ratio. The transmission includes four planetary gear sets, five torque-transmitting devices, two grounded members and three fixed interconnections. The powertrain includes an engine and torque converter that is continuously connected to one of the planetary gear members and an output member that is continuously connected with another one of the planetary gear members. The five torque-transmitting devices provide interconnections between various gear members, and the transmission housing, and are operated in combinations of two to establish eight forward speed ratios and one reverse speed ratio.01-15-2009
200900179649-Speed Transmission - The transmission has a plurality of members that can be utilized in powertrains to provide nine forward speed ratios and one reverse speed ratio. The transmission includes four planetary gear sets, six torque-transmitting devices, and three fixed interconnections. The powertrain includes an engine and torque converter that is continuously connected to one of the planetary gear members and an output member that is continuously connected with another one of the planetary gear members. The six torque-transmitting devices provide interconnections between various gear members, and the transmission housing, and are operated in combinations of three to establish nine forward speed ratios and one reverse speed ratio.01-15-2009
200900179659-Speed Transmission - The transmission has a plurality of members that can be utilized in powertrains to provide nine forward speed ratios and one reverse speed ratio. The transmission includes four planetary gear sets, six torque-transmitting devices, and four fixed interconnections. The powertrain includes an engine and torque converter that is continuously connected to one of the planetary gear members and an output member that is continuously connected with another one of the planetary gear members. The six torque-transmitting devices provide interconnections between various gear members, and the transmission housing, and are operated in combinations of three to establish nine forward speed ratios and one reverse speed ratio.01-15-2009
200900179669-Speed Transmission - The transmission has a plurality of members that can be utilized in powertrains to provide nine forward speed ratios and one reverse speed ratio. The transmission includes four planetary gear sets, six torque-transmitting devices, and four fixed interconnections. The powertrain includes an engine and torque converter that is continuously connected to one of the planetary gear members and an output member that is continuously connected with another one of the planetary gear members. The six torque-transmitting devices provide interconnections between various gear members, and the transmission housing, and are operated in combinations of three to establish nine forward speed ratios and one reverse speed ratio.01-15-2009
2009001796710-Speed Transmission - The transmission has a plurality of members that can be utilized in powertrains to provide ten forward speed ratios and one reverse speed ratio. The transmission includes three planetary gear sets, six torque-transmitting devices, and two fixed interconnections. The powertrain includes an engine and torque converter that is continuously connected to one of the planetary gear members and an output member that is continuously connected with another one of the planetary gear members. The six torque-transmitting devices provide interconnections between various gear members, and the transmission housing, and are operated in combinations of three to establish ten forward speed ratios and one reverse speed ratio.01-15-2009
200900179688-Speed Transmission - The transmission has a plurality of members that can be utilized in powertrains to provide eight forward speed ratios and one reverse speed ratio. The transmission includes four planetary gear sets, five torque-transmitting devices, a grounded member and two fixed interconnections. The powertrain includes an engine and torque converter that is continuously connected to one of the planetary gear members and an output member that is continuously connected with another one of the planetary gear members. The five torque-transmitting devices provide interconnections between various gear members, and the transmission housing, and are operated in combinations of two to establish eight forward speed ratios and one reverse speed ratio.01-15-2009
200900179698-Speed Transmission - The transmission has a plurality of members that can be utilized in powertrains to provide eight forward speed ratios and one reverse speed ratio. The transmission includes four planetary gear sets, five torque-transmitting devices, a grounded member and three fixed interconnections. The powertrain includes an engine and torque converter that is continuously connected to one of the planetary gear members and an output member that is continuously connected with another one of the planetary gear members. The five torque-transmitting devices provide interconnections between various gear members, and the transmission housing, and are operated in combinations of two to establish eight forward speed ratios and one reverse speed ratio.01-15-2009
200900179708-Speed Transmission - The transmission has a plurality of members that can be utilized in powertrains to provide eight forward speed ratios and one reverse speed ratio. The transmission includes four planetary gear sets, five torque-transmitting devices, one grounded member and three fixed interconnections. The powertrain includes an engine and torque converter that is continuously connected to one of the planetary gear members and an output member that is continuously connected with another one of the planetary gear members. The five torque-transmitting devices provide interconnections between various gear members, and the transmission housing, and are operated in combinations of two to establish eight forward speed ratios and one reverse speed ratio.01-15-2009
200900235338-Speed Transmission - The transmission has a plurality of members that can be utilized in powertrains to provide eight forward speed ratios and one reverse speed ratio. The transmission includes three planetary gear sets, six torque-transmitting devices, one fixed interconnection and a grounded member. The powertrain includes an engine and torque converter that is continuously connected to one of the planetary gear members and an output member that is continuously connected with another one of the planetary gear members. The six torque-transmitting devices provide interconnections between various gear members, and the transmission housing, and are operated in combinations of three to establish eight forward speed ratios and one reverse speed ratio.01-22-2009
200900235348-Speed Transmission - The transmission has a plurality of members that can be utilized in powertrains to provide eight forward speed ratios and one reverse speed ratio. The transmission includes three planetary gear sets, six torque-transmitting devices, two fixed interconnections and a grounded member. The powertrain includes an engine and torque converter that is selectively connected to one of the planetary gear members and an output member that is continuously connected with another one of the planetary gear members. The six torque-transmitting devices provide interconnections between various gear members, the input member and the transmission housing, and are operated in combinations of three to establish eight forward speed ratios and one reverse speed ratio.01-22-2009
200900235358-Speed Transmissions - The transmission has a plurality of members that can be utilized in powertrains to provide eight forward speed ratios and one reverse speed ratio. The transmission includes three planetary gear sets, six torque-transmitting devices, one fixed interconnection and a grounded member. The powertrain includes an engine and torque converter that is continuously connected to one of the planetary gear members and an output member that is continuously connected with another one of the planetary gear members. The six torque-transmitting devices provide interconnections between various gear members, and the transmission housing, and are operated in combinations of three to establish eight forward speed ratios and one reverse speed ratio.01-22-2009
200900235368-Speed Transmission - The transmission has a plurality of members that can be utilized in powertrains to provide eight forward speed ratios and one reverse speed ratio. The transmission includes three planetary gear sets, six torque-transmitting devices, and two fixed interconnections. The powertrain includes an engine and torque converter that is continuously connected to one of the planetary gear members and an output member that is continuously connected with another one of the planetary gear members. The six torque-transmitting devices provide interconnections between various gear members, and the transmission housing, and are operated in combinations of three to establish eight forward speed ratios and one reverse speed ratio.01-22-2009
200900235378-Speed Transmissions - The transmission has a plurality of members that can be utilized in powertrains to provide eight forward speed ratios and one reverse speed ratio. The transmission includes three planetary gear sets, six torque-transmitting devices, one fixed interconnection and a grounded member. The powertrain includes an engine and torque converter that is continuously connected to one of the planetary gear members and an output member that is continuously connected with another one of the planetary gear members. The six torque-transmitting devices provide interconnections between various gear members, and the transmission housing, and are operated in combinations of three to establish eight forward speed ratios and one reverse speed ratio.01-22-2009
200900235388-Speed Transmissions - The transmission has a plurality of members that can be utilized in powertrains to provide eight forward speed ratios and one reverse speed ratio. The transmission includes three planetary gear sets having six torque-transmitting mechanisms, one fixed interconnection and a grounded member. The powertrain includes an engine and torque converter that is continuously connected to one of the planetary gear members and an output member that is continuously connected with another one of the planetary gear members. The six torque-transmitting mechanisms provide interconnections between various gear members, and the transmission housing, and are operated in combinations of three to establish eight forward speed ratios and one reverse speed ratio.01-22-2009
200900235398-Speed Transmission - The transmission has a plurality of members that can be utilized in powertrains to provide eight forward speed ratios and one reverse speed ratio. The transmission includes three planetary gear sets, six torque-transmitting devices, two fixed interconnections and a grounded member. The powertrain includes an engine and torque converter that is continuously connected to one of the planetary gear members and an output member that is continuously connected with another one of the planetary gear members. The six torque-transmitting devices provide interconnections between various gear members, and the transmission housing, and are operated in combinations of two to establish eight forward speed ratios and one reverse speed ratio.01-22-2009
2009003625310-Speed Transmission - The transmission has a plurality of members that can be utilized in powertrains to provide ten forward speed ratios and one reverse speed ratio. The transmission includes four planetary gear sets, six torque-transmitting devices and four fixed interconnections. The powertrain includes an engine and torque converter that is continuously connected to one of the planetary gear members and an output member that is continuously connected with another one of the planetary gear members. The six torque-transmitting devices provide interconnections between various gear members, and the transmission housing, and are operated in combinations of three to establish ten forward speed ratios and one reverse speed ratio.02-05-2009
200900362548-SPEED TRANSMISSION - The transmission has a plurality of members that can be utilized in powertrains to provide eight forward speed ratios and one reverse speed ratio. The transmission includes three planetary gear sets, six torque-transmitting devices, one fixed interconnection and a grounded member. The powertrain includes an engine and torque converter that is continuously connected to one of the planetary gear members and an output member that is continuously connected with another one of the planetary gear members. The six torque-transmitting devices provide interconnections between various gear members, and the transmission housing, and are operated in combinations of three to establish eight forward speed ratios and one reverse speed ratio.02-05-2009
20090036255MULTI-SPEED TRANSMISSION - A transmission is provided having an input member, an output member, four planetary gear sets, a plurality of coupling members and a plurality of torque transmitting devices. Each of the planetary gear sets includes first, second and third members. The torque transmitting devices may include clutches and brakes.02-05-2009
200900480588-Speed Transmission - The transmission has a plurality of members that can be utilized in powertrains to provide eight forward speed ratios and one reverse speed ratio. The transmission includes four planetary gear sets, five torque-transmitting devices, three fixed interconnections and a grounded member. The powertrain includes an engine and torque converter that is continuously connected to one of the planetary gear members and an output member that is continuously connected with another one of the planetary gear members. The five torque-transmitting devices provide interconnections between various gear members, and the transmission housing, and are operated in combinations of two to establish eight forward speed ratios and one reverse speed ratio.02-19-2009
200900480599-Speed Transmission - The transmission has a plurality of members that can be utilized in powertrains to provide nine forward speed ratios and one reverse speed ratio. The transmission includes four planetary gear sets, six torque-transmitting devices and four fixed interconnections. The powertrain includes an engine and torque converter that is continuously connected to one of the planetary gear members and an output member that is continuously connected with another one of the planetary gear members. The six torque-transmitting devices provide interconnections between various gear members, and the transmission housing, and are operated in combinations of three to establish nine forward speed ratios and one reverse speed ratio.02-19-2009
200900480608-Speed Transmission - The transmission has a plurality of members that can be utilized in powertrains to provide eight forward speed ratios and one reverse speed ratio. The transmission includes three planetary gear sets, six torque-transmitting devices, two fixed interconnections and a grounded member. The powertrain includes an engine and torque converter that is continuously connected to one of the planetary gear members and an output member that is continuously connected with another one of the planetary gear members. The six torque-transmitting devices provide interconnections between various gear members, and the transmission housing, and are operated in combinations of two to establish eight forward speed ratios and one reverse speed ratio.02-19-2009
200900480618-Speed Transmission - The transmission has a plurality of members that can be utilized in powertrains to provide eight forward speed ratios and one reverse speed ratio. The transmission includes four planetary gear sets, five torque-transmitting devices, three fixed interconnections and a grounded member. The powertrain includes an engine and torque converter that is continuously connected to one of the planetary gear members and an output member that is continuously connected with another one of the planetary gear members. The five torque-transmitting devices provide interconnections between various gear members, and the transmission housing, and are operated in combinations of two to establish eight forward speed ratios and one reverse speed ratio.02-19-2009
20090062056AUTOMATIC TRANSMISSION - An automatic transmission which can establish properly separated gear ratios of forward ten gears or eleven gears and reverse two gears, which is simple and compact and can comfortably change gears. A fourth sun gear of a speed-changing dual planetary gear is connected to a speed-reducing common ring gear of a speed-reducing dual planetary gear through a first clutch, a speed-changing common carrier is connected to an input shaft through a second clutch and is selectively fixed by a second brake. A third sun gear of the speed-changing dual planetary gear is connected to the speed-reducing common ring gear of the speed-reducing dual planetary gear through a third clutch, connected to the speed-changing common carrier through a fourth clutch, and selectively to a first sun gear through a fifth clutch, and is selectively fixed through a first brake. A speed-changing common ring gear is directly connected to an output shaft.03-05-2009
200900821638-Speed Transmission - The transmission has a plurality of members that can be utilized in powertrains to provide eight forward speed ratios and one reverse speed ratio. The transmission includes three planetary gear sets, five torque-transmitting devices, one fixed interconnection, three external gear sets and a final drive gear set. The powertrain includes an engine and torque converter that is continuously connected to one of the planetary gear members and an output member that is continuously connected with one of the external gear sets. The five torque-transmitting devices provide interconnections between various planetary and external gear members, and the transmission housing, and are operated in combinations of three to establish eight forward speed ratios and one reverse speed ratio.03-26-2009
20090118058POWER TRAIN OF AUTOMATIC TRANSMISSION - The present invention relates to a power train of an automatic transmission that outputs twelve forward speeds and three reverse speeds by operations of first and second input units, first and second output units, and a plurality of friction members that connect operating members of the first and second input units and the first and second output units to an input shaft, other operating members of the first and second input units, and the first and second output units, or a case.05-07-2009
20090118059MULTI-SPEED TRANSMISSION - A transmission of the present invention has an input member, an output member, four planetary gear sets, a plurality of coupling members and a plurality of torque transmitting devices. Each of the planetary gear sets includes first, second and third members. The torque transmitting devices may include clutches and brakes. The torque transmitting devices are selectively engageable in combinations of at least three to establish at least ten forward speed ratios and at least one reverse speed ratio05-07-2009
20090118060Multi-Speed Epicyclic PowerShift Transmission - A multi-speed transmission includes a first power transmission module driven by an input shaft. A second power transmission module is driven by the first power transmission module. A third power transmission module is driven by the second power transmission module and drives an output shaft. Each power transmission module includes an actuation mechanism and a planetary gearset. Each actuation mechanism controls the output of its respective planetary gearset to one of a first gear ratio and a second gear ratio. One of the actuation mechanisms includes a clutch and a spring biasing a member to rotate and cause a corresponding actuation of the clutch. The clutch causes two members of the respective planetary gearset to rotate at substantially the same speed and provide the first gear ratio. The actuation mechanism selectively restricts the member from rotating and prevent actuation of the clutch to provide the second gear ratio.05-07-2009
20090124448TRANSMISSION HAVING TEN OR MORE SPEEDS - A transmission is provided having an input member, an output member, four planetary gear sets, a plurality of coupling members and a plurality of torque transmitting devices. Each of the planetary gear sets includes first, second and third members. The torque transmitting devices may include clutches and brakes. Moreover, the torque transmitting devices are selectively engageable in combinations of at least four to establish at least ten forward speed ratios and at least one reverse speed ratio between the input member and the output member05-14-2009
20090143184AUTOMATIC TRANSMISSION - An automatic transmission is provided with three planetary gear units and five friction elements. The first planetary gear unit includes a first sun gear that is always fixed, a first carrier supporting a first pinion in meshed engagement with the first sun gear and a first ring gear in meshed engagement with the first pinion. The first to fifth friction elements are operatively arranged with respect to the first, second and third planetary gear units to selectively establish at least seven forward speeds and one reverse speed by combining simultaneous engagement of two out of five friction elements for transmitting torque from the input shaft to the output shaft.06-04-2009
20090143185AUTOMATIC TRANSMISSION - An automatic transmission includes a first planetary gear set; a second planetary gear set; a third planetary gear set; an input shaft; an output shaft; and five friction elements. A second ring gear is constantly locked. A first carrier is connected with a third carrier to define a first rotating member, and a second sun gear is connected with a third sun gear to define a second rotating member. The input shaft is constantly connected with a first sun gear, and the output shaft is constantly connected with the first rotating member. The five friction elements include a first friction element adapted to selectively connect a first ring gear with a second carrier, a second friction element adapted to selectively connect the first ring gear with the second rotating member, a third friction element adapted to selectively connect the second carrier with a third ring gear, a fourth friction element adapted to selectively stop a rotation of the third ring gear, and a fifth friction element adapted to selectively connect the first sun gear with the second carrier. Each of at least seven forward speed-ratios and one reverse speed-ratio is achieved by an engaged state of two friction elements selected from the five friction elements.06-04-2009
20090170653Gear Train of an Automatic Transmission for a Vehicle - An eight speed gear train of an automatic transmission includes first and second planetary gear sets as simple planetary gear sets, a third planetary gear set as a compound planetary gear set, and a plurality of friction members. The first planetary gear set reduces engine speed from an input shaft through a first input path and outputs the reduced speed through a first intermediate output path. The second planetary gear set receives the reduced speed through first and second intermediate input paths, and outputs a further reduced speed or a reversed speed through a second intermediate output path. The third planetary gear set selectively receives the engine speed from the input shaft through a second input path, selectively receives input speeds from the first and second planetary gear sets through third and fourth intermediate input paths, and outputs a plurality of speeds through a final output path.07-02-2009
20090192009TEN-SPEED TRANSMISSION - A transmission is provided having an input member, an output member, four planetary gear sets, a plurality of coupling members and a plurality of torque transmitting devices. Each of the planetary gear sets includes first, second and third members. The torque transmitting devices include clutches and brakes.07-30-2009
20090192010TEN-SPEED TRANSMISSION - A transmission is provided having an input member, an output member, four planetary gear sets, a plurality of coupling members and a plurality of torque transmitting devices. Each of the planetary gear sets includes first, second and third members. The torque transmitting devices include clutches and brakes.07-30-2009
20090209386GEAR TRAIN OF AUTOMATIC TRANSMISSION FOR VEHICLES - A gear train in an automatic transmission for vehicles may include: a first planetary gear set outputting reduced and same rotational speeds through two pathways by using torque received from an input shaft through one input pathway; a second planetary gear set outputting reversed and same outputs by using the reduced rotational speed from the first planetary gear set, and outputting an increased input when the reduced and same rotational speeds are simultaneous inputted from the first planetary gear set; and a third planetary gear set outputting six forward speeds and one reverse speed by using the outputs from the second planetary gear set and torque from the input shaft.08-20-2009
20090209387MULTI-SPEED TRANSMISSION - A transmission is provided having an input member, an output member, four planetary gear sets, a plurality of coupling members and a plurality of torque transmitting devices. Each of the planetary gear sets includes first, second and third members. The torque transmitting devices include clutches and brakes.08-20-2009
20090215578MULTI-SPEED TRANSMISSION HAVING THREE PLANETARY GEAR SETS - A transmission is provided having an input member, an output member, three planetary gear sets, a plurality of coupling members and a plurality of torque transmitting devices. Each of the planetary gear sets includes first, second and third members. The torque transmitting devices include clutches and brakes.08-27-2009
20090247351GEAR TRAIN OF AUTOMATIC TRANSMISSION FOR VEHICLE - A gear train of an automatic transmission for a vehicle may include four planetary gear sets with three clutches and two brakes and realizes eight forward speeds, and the gear train of an automatic transmission for a vehicle may minimize the number of friction elements, simplify the scheme of an transmission, and enhance transmitting power efficiency and fuel efficiency. The four planetary gear sets may include a first planetary gear set including a first sun gear, a first planet carrier, and a first ring gear, a second planetary gear set including a second sun gear, a second planet carrier, and a second ring gear, a third planetary gear set including a third sun gear, a third planet carrier, and a third ring gear, and a fourth planetary gear set including a fourth sun gear, a fourth planet carrier, and a fourth ring gear.10-01-2009
20090264244EIGHT SPEED AUTOMATIC TRANSMISSION - A transmission is disclosed having an input member, an output member, four planetary gear sets, a plurality of coupling members and a plurality of torque transmitting devices. Each of the planetary gear sets includes first, second and third members. The torque transmitting devices may include clutches and brakes.10-22-2009
20090264245MULTI-SPEED TRANSAXLE - A front wheel drive transmission is provided having a transmission input member, a transmission output member, four planetary gear sets, a plurality of coupling members and a plurality of torque transmitting devices. Each of the planetary gear sets includes a sun gear member, a planet carrier member, and a ring gear member. The torque transmitting devices include clutches and a brake arranged within a transmission housing.10-22-2009
20090264246MULTI-SPEED TRANSAXLE - A front wheel drive transmission is provided having a transmission input member, a transmission output member, four planetary gear sets, a plurality of coupling members and a plurality of torque transmitting devices. Each of the planetary gear sets includes a sun gear member, a planet carrier member, and a ring gear member. The torque transmitting devices include clutches and a brake arranged within a transmission housing.10-22-2009
20090291800POWER TRAIN OF AUTOMATIC TRANSMISSION - The present invention relates to a power train of an automatic transmission that realizes eight forward speeds and one reverse speed by using two double pinion planetary gear sets, one single pinion planetary gear set, four clutches, and two brakes wherein the friction members are selectively connected to the operating members of the pinion planetary gear sets to the input shaft, other operating members, or the transmission case.11-26-2009
20090298637Gear Train of Automatic Transmission for a Vehicle - The present invention provides gear train of an automatic transmission for a vehicle having a first planetary gear set being a double pinion planetary gear set, a second planetary gear set being a single pinion planetary gear set, a third planetary gear set being a Ravigneaux planetary gear set, with five clutches and two brakes, which realizes ten forward speeds and three reverse speeds.12-03-2009
20090298638Gear Train of Automatic Transmission - A gear train of an automatic transmission for a vehicle may be provided to realize eight forward speeds and one reverse speed with three single pinion planetary gear set, four clutches and two brakes.12-03-2009
20090298639Gear Train of Automatic Transmission for Vehicles - A gear train of an automatic transmission for vehicles has two simple planetary gear sets and one compound planetary gear set with four clutches and three brakes to achieve ten forward speeds and three reverse speeds.12-03-2009
20090305836Powertrain of an Automatic Transmission - A powertrain of an automatic transmission includes a first planetary gear set having a double pinion planetary gear set, a second planetary gear set having a single pinion planetary gear set and a third planetary gear set having a double pinion planetary gear set to achieve eight forward speeds and two reverse speeds by combining the three planetary gear sets and six frictional elements.12-10-2009
20090305837PLANETARY GEAR TYPE MULTI-STAGE TRANSMISSION - A multi-stage transmission includes a first planetary gear set, a second planetary gear set, a first reduction planetary gear set, a second reduction gear set, a clutch for locking the second planetary gear set. The first reduction planetary gear set has an input member, an output member and a holding member. The input shaft is connected with the first carrier, being connectable with the input member and the second ring gear that are connected with each other. The output shaft is connected or connectable with the second carrier, being connectable with the output member through the second reduction gear set. The first sun gear and the holding member are connected with each other, being holdable to a stationary part. The first ring gear is connected or connectable with the second sun gear.12-10-2009
20090312139Powertrain of an Automatic Transmission - A powertrain of an automatic transmission includes a first planetary gear set having first, second, and third operating members, a second planetary gear set having fourth, fifth, and sixth operating members, and a third planetary gear set having seventh, eighth, and ninth operating members, the second and fourth operating members being fixedly interconnected, the fifth and ninth operating members being fixedly interconnected, the fourth and seventh operating members being selectively interconnected, the third and eighth operating members being selectively interconnected, the sixth and eighth operating members being selectively interconnected, wherein a transmission case is fixedly connected to the first operating member and selectively connected to the seventh and eighth operating members, an input shaft is fixedly connected to the third operating member and selectively connected to the seventh operating member, and an output shaft is fixedly connected to the ninth operating member.12-17-2009
20090312140Powertrain of an Automatic Transmission - A powertrain of an automatic transmission includes a first planetary gear set having first, second, and third operating members, a second planetary gear set having fourth, fifth, and sixth operating members, and a third planetary gear set having seventh, eighth, and ninth operating members, the first operating member being always stationary, the seventh and eighth operating members being selectively stopped, the second and sixth operating members being fixedly interconnected, the fifth and ninth operating members being fixedly interconnected, the fourth and seventh operating members being selectively interconnected, the sixth and seventh operating members being selectively interconnected, the third and eighth operating members being selectively interconnected, wherein an input shaft is fixedly connected to the third operating member and selectively connected to the seventh operating member, and an output shaft is fixedly connected to the ninth operating member.12-17-2009
20090312141POWERTRAIN OF AN AUTOMATIC TRANSMISSION - A powertrain of an automatic transmission includes a first planetary gear set having first, second, and third operating members, a second planetary gear set having fourth, fifth, and sixth operating members, and third planetary gear set having seventh, eighth, and ninth operating members, the fourth and seventh operating members being fixedly interconnected, the fifth and ninth operating members being fixedly interconnected, the third and eighth operating members being selectively interconnected, the second and seventh operating members being selectively interconnected, the second and sixth operating members being selectively interconnected, wherein a transmission case is fixedly connected to the first operating member and selectively connected to the seventh and eighth operating members, an input shaft is fixedly connected to the third operating member and selectively connected to the seventh operating member, and an output shaft is fixedly connected to the ninth operating member.12-17-2009
20100041507MULTI-SPEED TRANSMISSION - A multi-speed transmission having four gearsets, eight shafts and six shifting elements. The sun gear of gearset (P02-18-2010
20100041508MULTI-SPEED TRANSMISSION - The multi-step transmission with nine forward gears and one reverse gear comprises four planetary gear sets (P02-18-2010
20100041509MULTI-STEP-TRANSMISSION - A multi-step transmission including four gear sets, shafts, and shifting elements. The sun gear of gearset (P02-18-2010
20100048344MULTI-SPEED TRANSMISSION - A transmission having input and output shafts, gearsets (RS02-25-2010
20100048345MULTI-STAGE GEARBOX - A transmission having gearsets (P02-25-2010
20100062893Compact Multiple-Ratio Transmission Device - The invention relates to a compact multiple-ratio transmission device. According to the invention, three planetary gearsets (TP03-11-2010
20100125017Multiple Speed Automatic Transmission - A multi-speed automatic transmission includes an input, an output, a first gear unit drivable connected to the input and producing a gear ratio of a speed of the input and a speed of the first gear unit output, a planetary gear unit including a modified Simpson gearset, the gear unit being secured to first, second, third, fourth and fifth rotating members, the fifth member being secured to the output for rotation therewith, a first clutch being operable to connect the first rotating member and the first gear unit output, a second clutch being operable to connect the second rotating member and the first gear unit output, a third clutch being operable to connect the third rotating member and an element rotating at a speed of the input, a fourth clutch being operable to connect the fourth rotating member and said element rotating at the speed of the input, a first brake being operable to hold the fourth rotating member against rotation, and a second brake being operable to hold the third rotating member against rotation.05-20-2010
20100144486MULTI-SPEED TRANSMISSIONS - The transmission has a plurality of members that can be utilized in powertrains to provide at least nine forward speed ratios and one reverse speed ratio. The transmission includes four planetary gear sets, six torque-transmitting devices, and four fixed interconnections. The powertrain includes an engine and torque converter that is continuously connected to one of the planetary gear members and an output member that is continuously connected with another one of the planetary gear members. The six torque-transmitting devices provide interconnections between various gear members, and the transmission housing, and are operated in combinations of three to establish at least nine forward speed ratios and one reverse speed ratio.06-10-2010
20100160107Compact planetary transmission - The transmission includes a housing, input and output shafts, and four planetary gear trains each having at least three members including a ring gear, at least one carrier, and a sun gear. The input and output shafts are is continuously interconnected with gear(s) and/or carrier(s). Links continuously interconnect the carrier(s) and/or gears between gear trains. The six torque-transmitting mechanisms are engagable in combinations of two to establish at least seven forward speed ratios and at least one reverse speed ratio between the input shaft and the output shaft.06-24-2010
20100179015MULTI-SPEED TRANSMISSION HAVING THREE PLANETARY GEAR SETS - A transmission is provided having an input member, an output member, three planetary gear sets, a plurality of coupling members and a plurality of torque transmitting devices. Each of the planetary gear sets includes first, second and third members. The torque transmitting devices include clutches and brakes.07-15-2010
20100179016MULTI-SPEED TRANSMISSION HAVING THREE PLANETARY GEAR SETS - A transmission is provided having an input member, an output member, three planetary gear sets, a plurality of coupling members and a plurality of torque transmitting devices. Each of the planetary gear sets includes first, second and third members. The torque transmitting devices include clutches and brakes.07-15-2010
20100184553MULTI-SPEED TRANSMISSION HAVING THREE PLANETARY GEAR SETS - A transmission is provided having an input member, an output member, three planetary gear sets, a plurality of coupling members and a plurality of torque transmitting devices. Each of the planetary gear sets includes first, second and third members. The torque transmitting devices include clutches and brakes.07-22-2010
20100184554PLANETARY GEAR TYPE GEARBOX - A planetary gear type gearbox includes a front-stage transmission section and rear-stage transmission section. The front-stage transmission section is for transmitting power from an input shaft to an intermediate shaft. The front-stage transmission section includes first, second and third clutches, two sets of planetary gear trains axially adjoining to each other. The first planetary gear train includes a sun gear, a carrier, a ring gear and planet gears. The second planetary gear train includes a sun gear, a carrier, a ring gear and two sets of planet gears. In the activation of second and third clutches, power is inputted into the carrier from the input shaft and is then outputted from the ring gear of the first planetary gear train.07-22-2010
20100190600MULTI-SPEED TRANSMISSIONS - The transmission has a plurality of members that can be utilized in powertrains to provide at least ten forward speed ratios and one reverse speed ratio. The transmission includes four planetary gear sets, six torque-transmitting devices, and two fixed interconnections. The powertrain includes an engine and torque converter that is continuously connected to one of the planetary gear members and an output member that is continuously connected with another one of the planetary gear members. The six torque-transmitting devices provide interconnections between various gear members and the transmission housing, and are operated in combinations of three to establish at least ten forward speed ratios and one reverse speed ratio.07-29-2010
20100190601MULTI-SPEED TRANSMISSION WITH STACKED PLANETARY GEAR SETS - A multi-speed transmission is provided that has three planetary gear sets that have a plurality of members positioned to establish only two gear planes. Six torque-transmitting mechanisms are selectively engagable in different combinations to connect different members of the planetary gear sets with an input member, an output member, a stationary member, and one another to establish seven forward speed ratios and a reverse speed ratio. One of the gear planes is established by the first and the second planetary gear sets. The second planetary gear set is positioned concentric with and radially-outward of the first planetary gear set, and the first and second planetary gear sets share a member.07-29-2010
20100197443MULTI-SPEED TRANSMISSION - A transmission is disclosed having an input member, an output member, a plurality of planetary gear sets, a plurality of interconnecting members and a plurality of torque-transmitting mechanisms. The plurality of planetary gear sets has first, second and third members. The input member is continuously interconnected with a member of the planetary gear sets. The output member is continuously interconnected with another member of the planetary gear sets. At least eight forward speeds and one reverse speed are produced by the selective engagement of the five torque-transmitting mechanisms.08-05-2010
20100210392MULTI-SPEED TRANSMISSION - A transmission of the present invention has an input member, an output member, four planetary gear sets, a plurality of coupling members and a plurality of torque transmitting devices. Each of the planetary gear sets includes first, second and third members. The torque transmitting devices may include clutches and brakes. The torque transmitting devices are selectively engageable in combinations of at least three to establish at least ten forward speed ratios and at least one reverse speed ratio.08-19-2010
20100210394MULTI-SPEED TRANSMISSION - A transmission of the present invention has an input member, an output member, four planetary gear sets, a plurality of coupling members and a plurality of torque transmitting devices. Each of the planetary gear sets includes first, second and third members. The torque transmitting devices may include clutches and brakes. The torque transmitting devices are selectively engageable in combinations of at least three to establish at least ten forward speed ratios and at least one reverse speed ratio08-19-2010
20100210395MULTI-SPEED TRANSMISSION - A transmission of the present invention has an input member, an output member, four planetary gear sets, a plurality of coupling members and a plurality of torque transmitting devices. Each of the planetary gear sets includes first, second and third members. The torque transmitting devices may include clutches and brakes. The torque transmitting devices are selectively engageable in combinations of at least three to establish at least ten forward speed ratios and at least one reverse speed ratio08-19-2010
20100210396MULTI-SPEED TRANSMISSION - A transmission of the present invention has an input member, an output member, four planetary gear sets, a plurality of coupling members and a plurality of torque transmitting devices. Each of the planetary gear sets includes first, second and third members. The torque transmitting devices may include clutches and brakes. The torque transmitting devices are selectively engageable in combinations of at least three to establish at least ten forward speed ratios and at least one reverse speed ratio.08-19-2010
20100210397MULTI-SPEED TRANSMISSIONS - The transmission has a plurality of members that can be utilized in powertrains to provide at least ten forward speed ratios and one reverse speed ratio. The transmission includes four planetary gear sets, six torque-transmitting devices, and four fixed interconnections. The powertrain includes an engine and torque converter that is continuously connected to one of the planetary gear members and an output member that is continuously connected with another one of the planetary gear members. The six torque-transmitting devices provide interconnections between various gear members and the transmission housing, and are operated in combinations of three to establish at least ten forward speed ratios and one reverse speed ratio.08-19-2010
20100210399MULTI-SPEED TRANSMISSION HAVING FOUR PLANETARY GEAR SETS - A transmission is provided having an input member, an output member, four planetary gear sets, a plurality of coupling members and a plurality of torque transmitting devices. Each of the planetary gear sets includes first, second and third members. The torque transmitting devices include clutches and brakes.08-19-2010
20100210400MULTI-SPEED TRANSMISSION - A transmission of the present invention has an input member, an output member, four planetary gear sets, a plurality of coupling members and a plurality of torque transmitting devices. Each of the planetary gear sets includes first, second and third members. The torque transmitting devices may include clutches and brakes. The torque transmitting devices are selectively engageable in combinations of at least two to establish at least nine forward speed ratios and at least one reverse speed ratio.08-19-2010
20100210401MULTI-SPEED TRANSMISSION - A transmission of the present invention has an input member, an output member, four planetary gear sets, a plurality of coupling members and a plurality of torque transmitting devices. Each of the planetary gear sets includes first, second and third members. The torque transmitting devices may include clutches and brakes. The torque transmitting devices are selectively engageable in combinations of at least three to establish at least nine forward speed ratios and at least one reverse speed ratio08-19-2010
20100210402MULTI-SPEED TRANSMISSION - A transmission of the present invention has an input member, an output member, four planetary gear sets, a plurality of coupling members and a plurality of torque transmitting devices. Each of the planetary gear sets includes first, second and third members. The torque transmitting devices may include clutches and brakes. The torque transmitting devices are selectively engageable in combinations of at least three to establish at least ten forward speed ratios and at least one reverse speed ratio.08-19-2010
20100210403MULTI-SPEED TRANSMISSION - A transmission of the present invention has an input member, an output member, four planetary gear sets, a plurality of coupling members and a plurality of torque transmitting devices. Each of the planetary gear sets includes first, second and third members. The torque transmitting devices may include clutches and brakes. The torque transmitting devices are selectively engageable in combinations of at least three to establish at least nine forward speed ratios and at least one reverse speed ratio.08-19-2010
20100216588MULTI-SPEED TRANSMISSION - A transmission of the present invention has an input member, an output member, four planetary gear sets, a plurality of coupling members and a plurality of torque transmitting devices. Each of the planetary gear sets includes first, second and third members. The torque transmitting devices may include clutches and brakes. The torque transmitting devices are selectively engageable in combinations of at least three to establish at least ten forward speed ratios and at least one reverse speed ratio.08-26-2010
20100216589MULTI-SPEED TRANSMISSION - A transmission of the present invention has an input member, an output member, four planetary gear sets, a plurality of coupling members and a plurality of torque transmitting devices. Each of the planetary gear sets includes first, second and third members. The torque transmitting devices may include clutches and brakes. The torque transmitting devices are selectively engageable in combinations of at least three to establish at least ten forward speed ratios and at least one reverse speed ratio.08-26-2010
20100216590MULTI-SPEED TRANSMISSION - A transmission of the present invention has an input member, an output member, four planetary gear sets, a plurality of coupling members and a plurality of torque transmitting devices. Each of the planetary gear sets includes first, second and third members. The torque transmitting devices may include clutches and brakes. The torque transmitting devices are selectively engageable in combinations of at least two to establish at least nine forward speed ratios and at least one reverse speed ratio.08-26-2010
20100216591MULTI-SPEED TRANSMISSION - A transmission of the present invention has an input member, an output member, four planetary gear sets, a plurality of coupling members and a plurality of torque transmitting devices. Each of the planetary gear sets includes first, second and third members. The torque transmitting devices may include clutches and brakes. The torque transmitting devices are selectively engageable in combinations of at least three to establish at least ten forward speed ratios and at least one reverse speed ratio.08-26-2010
20100227729TEN-SPEED TRANSMISSIONS - The transmission has a plurality of members that can be utilized in powertrains to provide at least ten forward speed ratios and one reverse speed ratio. The transmission includes four planetary gear sets, six torque-transmitting devices, and two fixed interconnections. The powertrain includes an engine and torque converter that is continuously connected to one of the planetary gear members and an output member that is continuously connected with another one of the planetary gear members. The six torque-transmitting devices provide interconnections between various gear members and the transmission housing, and are operated in combinations of three to establish at least ten forward speed ratios and one reverse speed ratio.09-09-2010
20100227730EIGHT-SPEED TRANSMISSIONS - The transmission has a plurality of members that can be utilized in powertrains to provide eight forward speed ratios and one reverse speed ratio. The transmission includes three planetary gear sets, six torque-transmitting devices, and two fixed interconnections. The powertrain includes an engine and torque converter that is continuously connected to one of the planetary gear members and an output member that is continuously connected with another one of the planetary gear members. The six torque-transmitting devices provide interconnections between various gear members and the transmission housing, and are operated in combinations of three to establish eight forward speed ratios and one reverse speed ratio.09-09-2010
201002488898-SPEED HYBRID TRANSMISSION - The hybrid transmission has a plurality of members that can be utilized in powertrains to provide eight forward speed ratios and one reverse speed ratio. The hybrid transmission includes a motor/generator, three planetary gear sets, five torque-transmitting devices, three external gear sets and a final drive gear set. The powertrain includes an engine and torque converter that is continuously connected to one of the planetary gear members and an output member that is continuously connected with one of the external gear sets. The five torque-transmitting devices provide interconnections between various planetary and external gear members, the input shaft, and the transmission housing, and are operated in combinations of three to establish eight forward speed ratios and one reverse speed ratio.09-30-2010
20100248890EIGHT SPEED PLANETARY KINEMATIC ARRANGEMENT - A multiple speed power transmission comprising: four epicylic gearing assemblies each having first, second, and third rotating elements with specified interconnections, an input shaft, an output shaft, three clutches, and two brakes. Clutches and brakes are applied in combinations of three to produce eight forward ratios and one reverse ratio.09-30-2010
2010027981410-GEAR AUTOMATIC TRANSMISSION - An automatic planetary transmission comprising a drive input shaft (AN), a drive output shaft (AB), first, second, third and fourth planetary gearsets (RS11-04-2010
20100298086AUTOMATIC TRANSMISSION - Provided is an automatic transmission capable of reducing friction loss. The automatic transmission is provided with an input shaft (11-25-2010
20100298087AUTOMATIC TRANSMISSION FOR A VEHICLE - An output side transfer member 11-25-2010
20100323842MULTI-SPEED TRANSMISSION - A transmission is provided having an input member, an output member, four planetary gear sets, a plurality of coupling members and a plurality of torque transmitting devices. Each of the planetary gear sets includes first, second and third members. The torque transmitting devices are clutches and a brake.12-23-2010
20100323843MULTI-SPEED TRANSMISSION - A transmission is provided having an input member, an output member, four planetary gear sets, a plurality of coupling members and a plurality of torque transmitting devices. Each of the planetary gear sets includes first, second and third members. The torque transmitting devices may include clutches.12-23-2010
20100331135Gear Train of Automatic Transmission for Vehicles - A gear train of an automatic transmission for vehicles has advantages of improving power delivery performance and reducing fuel consumption as a consequence of realizing eight forward speeds and one reverse speed by combining two simple planetary gear sets and one compound planetary gear set with two clutches and four brakes.12-30-2010
20100331136GEAR TRAIN OF AUTOMATIC TRANSMISSION FOR VEHICLES - A gear train of an automatic transmission for vehicles is provided to improve power delivery performance and reduce fuel consumption as a consequence of realizing eight forward speeds and two reverse speeds by combining two simple planetary gear sets and one compound planetary gear set with two clutches and four brakes.12-30-2010
20100331137MULTISPEED TRANSMISSION - A transmission having input and output shafts, gearsets (RS12-30-2010
20110009226AUTOMATIC TRANSMISSION - An automatic transmission includes a first single-pinion planetary gear mechanism including a first sun gear, a first ring gear, and a first carrier that each correspond to one of first to third elements in a velocity diagram. The second element is connected to the input shaft. A second single-pinion planetary gear mechanism including a second sun gear, a second ring gear, and a second carrier that each correspond to one of fourth to sixth elements in a velocity diagram. The fourth element is connected to the first element to form a first connected body. A double-pinion third planetary gear mechanism includes a third sun gear, a third ring gear, and a third carrier that each correspond to one of seventh to ninth elements in a velocity diagram. The eighth element is connected to the fifth element to form a second connected body that is connected to the output member.01-13-2011
20110009227AUTOMATIC TRANSMISSION - An automatic transmission includes a first single-pinion planetary gear mechanism including a first sun gear, a first ring gear, and a first carrier that respectively correspond to first to third elements in a velocity diagram. A second single-pinion planetary gear mechanism includes a second sun gear, a second ring gear, and a second carrier that respectively correspond to fourth to sixth elements in a velocity diagram. The fourth element is connected to the first element to form a first connected body. A double-pinion third planetary gear mechanism includes a third sun gear, a third ring gear, and a third carrier that respectively correspond to seventh to ninth elements in a velocity diagram. The ninth element is connected to the third element to form a second connected body. The eighth element is connected to the fifth element to form a third connected body.01-13-2011
20110009228MULTI-STAGE GEARBOX - A multi-stage transmission comprises planetary gearsets (P01-13-2011
20110009229MULTI-STAGE GEARBOX - A multi-stage transmission comprising planetary gearsets (P01-13-2011
20110015029MULTI-SPEED TRANSMISSION HAVING THREE PLANETARY GEAR SETS - A transmission is provided having an input member, an output member, a three planetary gear sets, a plurality of coupling members and a plurality of torque transmitting devices. The planetary gear sets include first, second and third members. The torque transmitting devices include two clutches and two brakes.01-20-2011
20110028262AUTOMATIC TRANSMISSION - An automatic transmission comprising: a first planetary gearset of a double pinion; a second planetary gearset of a single pinion; a third planetary gearset of the single pinion, first sun gear and second sun gear being at all times linked together to constitute a first rotary member and second ring gear and third sun gear being at all times linked together to constitute a second rotary member; an input shaft; an output shaft; a first frictional element; a second frictional element; a third frictional element; a fourth frictional element; a fifth frictional element; a sixth frictional element, the six frictional elements being appropriately released or engaged to make a gear shift to a gear shift stage of at least eight forward speeds and, from among the six frictional elements, a combination of simultaneous engagements of three frictional elements achieving at least eight forward speed and one reverse speed.02-03-2011
20110034287MULTI-SPEED TRANSMISSION HAVING THREE PLANETARY GEAR SETS - A transmission is provided having an input member, an output member, three planetary gear sets, a plurality of coupling members and a plurality of torque transmitting devices. Each of the planetary gear sets includes first, second and third members. The torque transmitting devices include clutches and brakes.02-10-2011
20110034288 MULTI-SPEED TRANSMISSION HAVING THREE PLANETARY GEAR SETS - A transmission is provided having an input member, an output member, three planetary gear sets, a plurality of coupling members and a plurality of torque transmitting devices. Each of the planetary gear sets includes first, second and third members. The torque transmitting devices include clutches and brakes.02-10-2011
20110034289MULTI-SPEED TRANSMISSION HAVING THREE PLANETARY GEAR SETS - A transmission is provided having an input member, an output member, three planetary gear sets, a plurality of coupling members and a plurality of torque transmitting devices. Each of the planetary gear sets includes first, second and third members. The torque transmitting devices include clutches and brakes.02-10-2011
20110034290MULTI-SPEED TRANSMISSION HAVING THREE PLANETARY GEAR SETS - A transmission is provided having an input member, an output member, three planetary gear sets, a plurality of coupling members and a plurality of torque transmitting devices. Each of the planetary gear sets includes first, second and third members. The torque transmitting devices include clutches and brakes.02-10-2011
20110034291MULTI-SPEED TRANSMISSION HAVING THREE PLANETARY GEAR SETS - A transmission is provided having an input member, an output member, three planetary gear sets, a plurality of coupling members and a plurality of torque transmitting devices. Each of the planetary gear sets includes first, second and third members. The torque transmitting devices include clutches and brakes.02-10-2011
20110034292MULTI-SPEED TRANSMISSION HAVING THREE PLANETARY GEAR SETS - A transmission is provided having an input member, an output member, three planetary gear sets, a plurality of coupling members and a plurality of torque transmitting devices. Each of the planetary gear sets includes first, second and third members. The torque transmitting devices include clutches and brakes.02-10-2011
20110045937MULTI STEP TRANSMISSION - A multi step transmission comprises planetary gearsets (P02-24-2011
20110045938MULTI STEP TRANSMISSION - A multi step transmission comprising planetary gearsets (P02-24-2011
20110045939MULTI STEP TRANSMISSION - A multi-stage transmission comprising planetary gear sets (P02-24-2011
20110045940MULTI STEP TRANSMISSION - A multi step transmission comprising gear sets, shafts and shift elements. The sun gear of set (P02-24-2011
20110045941MULTI STEP TRANSMISSION - A multi step transmission comprising planetary gearsets (P02-24-2011
20110045942MULTI STEP TRANSMISSION - The multi step transmission comprising gear sets (P02-24-2011
20110045943MULTI STEP TRANSMISSION - A multi step transmission comprises planetary gear sets (P02-24-2011
20110105266TRANSMISSION HAVING AT LEAST EIGHT SPEEDS - A transmission of the present invention has an input member, an output member, four planetary gear sets, a plurality of coupling members and a plurality of torque transmitting devices. Each of the planetary gear sets includes first, second and third members. The torque transmitting devices may include clutches and brakes. The torque transmitting devices are selectively engageable in combinations of at least two to establish at least eight forward speed ratios and at least one reverse speed ratio.05-05-2011
20110105267TRANSMISSION HAVING AT LEAST EIGHT SPEEDS - A transmission of the present invention has an input member, an output member, four planetary gear sets, a plurality of coupling members and a plurality of torque transmitting devices. Each of the planetary gear sets includes first, second and third members. The torque transmitting devices may include clutches and brakes. The torque transmitting devices are selectively engageable in combinations of at least two to establish at least eight forward speed ratios and at least one reverse speed ratio.05-05-2011
20110105268EIGHT SPEED AUTOMATIC TRANSMISSION - An automatic transmission is provided having an input member, an output member, four planetary gear sets, a plurality of coupling members and a plurality of torque transmitting devices. Each of the planetary gear sets includes first, second and third members. The torque transmitting devices may be either clutches or brakes.05-05-2011
20110111916TRANSMISSION HAVING AT LEAST EIGHT SPEEDS - A transmission of the present invention has an input member, an output member, four planetary gear sets, a plurality of coupling members and a plurality of torque transmitting devices. Each of the planetary gear sets includes first, second and third members. The torque transmitting devices may include clutches and brakes. The torque transmitting devices are selectively engageable in combinations of at least three to establish at least eight forward speed ratios and at least one reverse speed ratio.05-12-2011
20110136614MULTI-SPEED TRANSMISSION HAVING THREE PLANETARY GEAR SETS - A transmission is provided having an input member, an output member, three planetary gear sets, a plurality of coupling members and a plurality of torque transmitting devices. Each of the planetary gear sets includes first, second and third members. The torque transmitting devices include clutches and brakes.06-09-2011
20110160018EIGHT SPEED AUTOMATIC TRANSMISSION - An automatic transmission includes an input member, an output member, four planetary gear sets, a plurality of coupling members and a plurality of torque transmitting devices. Each of the planetary gear sets includes first, second and third members. The torque transmitting devices may be either clutches or brakes.06-30-2011
20110177910MULTI-SPEED TRANSMISSION HAVING FOUR PLANETARY GEAR SETS FOR PRODUCING AT LEAST EIGHT GEAR SPEEDS - A transmission of the present invention has an input member, an output member, four planetary gear sets, a plurality of coupling members and a plurality of torque transmitting devices. Each of the planetary gear sets includes first, second and third members. The torque transmitting devices may include clutches and brakes. The torque transmitting devices are selectively engageable in combinations of at least two to establish at least eight forward speed ratios and at least one reverse speed ratio.07-21-2011
20110207572MULTI-SPEED TRANSMISSION HAVING THREE PLANETARY GEAR SETS - A transmission is provided having an input member, an output member, three planetary gear sets, a plurality of coupling members and a plurality of torque transmitting devices. Each of the planetary gear sets includes first, second and third members. The torque transmitting devices include clutches and brakes.08-25-2011
20110212806MULTI-SPEED TRANSMISSION - A transmission is provided having an input member, an output member, four planetary gear sets, a plurality of coupling members and a plurality of torque transmitting devices. Each of the planetary gear sets includes first, second and third members. The torque transmitting devices include clutches and brakes.09-01-2011
20110224045MULTI-SPEED TRANSMISSION - A transmission is provided having an input member, an output member, four planetary gear sets, a plurality of coupling members and a plurality of torque transmitting devices. Each of the planetary gear sets includes first, second and third members. The torque transmitting devices may include clutches and brakes.09-15-2011
20110245017GEAR TRAIN OF AUTOMATIC TRANSMISSION FOR VEHICLES - A gear train of an automatic transmission for vehicles realizes at least eight forward speeds and two reverse speeds by combining three simple planetary gear sets with four clutches and two brakes. In addition, two friction elements are operated at each shift-speed. Therefore, the gear train has advantages of simplifying structures of the automatic transmission and improving power delivery performance and fuel economy.10-06-2011
20110245018EIGHT SPEED AUTOMATIC TRANSMISSION - An eight speed automatic transmission is provided having an input member, an output member, four planetary gear sets and five torque transmitting devices. Three of the planetary gear sets are simple and one planetary gear set is compound. Each of the plurality of planetary gear sets has first, second and third members: a sun gear, a ring gear and a planet carrier having a plurality of planet gears rotatably disposed thereon. Three of the torque transmitting devices are clutches and two of the devices are brakes. Eight embodiments of the transmission having different arrangements of the planetary gear sets, clutches and brakes are disclosed.10-06-2011
20110245019EIGHT SPEED AUTOMATIC TRANSMISSION - An eight speed automatic transmission is provided having an input member, an output member, four planetary gear sets and five torque transmitting devices. Three of the planetary gear sets are simple and one planetary gear set is compound. Each of the plurality of planetary gear sets has first, second and third members: a sun gear, a ring gear and a planet carrier having a plurality of planet gears rotatably disposed thereon. Three of the torque transmitting devices are clutches and two of the devices are brakes. Eight embodiments of the transmission having different arrangements of the planetary gear sets, clutches and brakes are disclosed.10-06-2011
20110245020EIGHT SPEED AUTOMATIC TRANSMISSION - An eight speed automatic transmission is provided having an input member, an output member, four planetary gear sets and five torque transmitting devices. Three of the planetary gear sets are simple and one planetary gear set is compound. Each of the plurality of planetary gear sets has first, second and third members: a sun gear, a ring gear and a planet carrier having a plurality of planet gears rotatably disposed thereon. Three of the torque transmitting devices are clutches and two of the devices are brakes. Eight embodiments of the transmission having different arrangements of the planetary gear sets, clutches and brakes are disclosed.10-06-2011
20110245021EIGHT SPEED AUTOMATIC TRANSMISSION - An eight speed automatic transmission is provided having an input member, an output member, four planetary gear sets and five torque transmitting devices. Three of the planetary gear sets are simple and one planetary gear set is compound. Each of the plurality of planetary gear sets has first, second and third members: a sun gear, a ring gear and a planet carrier having a plurality of planet gears rotatably disposed thereon. Three of the torque transmitting devices are clutches and two of the devices are brakes. Eight embodiments of the transmission having different arrangements of the planetary gear sets, clutches and brakes are disclosed.10-06-2011
20110245022EIGHT SPEED AUTOMATIC TRANSMISSION - An eight speed automatic transmission is provided having an input member, an output member, four planetary gear sets and five torque transmitting devices. Three of the planetary gear sets are simple and one planetary gear set is compound. Each of the plurality of planetary gear sets has first, second and third members: a sun gear, a ring gear and a planet carrier having a plurality of planet gears rotatably disposed thereon. Three of the torque transmitting devices are clutches and two of the devices are brakes. Eight embodiments of the transmission having different arrangements of the planetary gear sets, clutches and brakes are disclosed.10-06-2011
20110245023EIGHT SPEED AUTOMATIC TRANSMISSION - An eight speed automatic transmission is provided having an input member, an output member, four planetary gear sets and five torque transmitting devices. Three of the planetary gear sets are simple and one planetary gear set is compound. Each of the plurality of planetary gear sets has first, second and third members: a sun gear, a ring gear and a planet carrier having a plurality of planet gears rotatably disposed thereon. Three of the torque transmitting devices are clutches and two of the devices are brakes. Eight embodiments of the transmission having different arrangements of the planetary gear sets, clutches and brakes are disclosed.10-06-2011
20110245024EIGHT SPEED AUTOMATIC TRANSMISSION - An eight speed automatic transmission is provided having an input member, an output member, four planetary gear sets and five torque transmitting devices. Three of the planetary gear sets are simple and one planetary gear set is compound. Each of the plurality of planetary gear sets has first, second and third members: a sun gear, a ring gear and a planet carrier having a plurality of planet gears rotatably disposed thereon. Three of the torque transmitting devices are clutches and two of the devices are brakes. Eight embodiments of the transmission having different arrangements of the planetary gear sets, clutches and brakes are disclosed.10-06-2011
20110245025EIGHT SPEED AUTOMATIC TRANSMISSION - An eight speed automatic transmission is provided having an input member, an output member, four planetary gear sets and five torque transmitting devices. Three of the planetary gear sets are simple and one planetary gear set is compound. Each of the plurality of planetary gear sets has first, second and third members: a sun gear, a ring gear and a planet carrier having a plurality of planet gears rotatably disposed thereon. Three of the torque transmitting devices are clutches and two of the devices are brakes. Eight embodiments of the transmission having different arrangements of the planetary gear sets, clutches and brakes are disclosed.10-06-2011
20110245026MULTI-SPEED TRANSMISSION - A transmission of the present invention has an input member, an output member, four planetary gear sets, a plurality of coupling members and a plurality of torque transmitting devices. Each of the planetary gear sets includes first, second and third members. The torque transmitting devices may include clutches and brakes. The torque transmitting devices are selectively engageable in combinations of at least three to establish at least nine forward speed ratios and at least one reverse speed ratio10-06-2011
20110245027MULTI-SPEED TRANSMISSION - A transmission is provided having an input member, an output member, four planetary gear sets, a plurality of coupling members and a plurality of torque transmitting devices. Each of the planetary gear sets includes first, second and third members. The torque transmitting devices may include clutches and brakes.10-06-2011
20110256977MULTI-SPEED TRANSMISSION HAVING FOUR PLANETARY GEAR SETS - A transmission is provided having an input member, an output member, two planetary gear sets, another two planetary gear sets that may be stacked or nested to form a planetary gear set assembly, a plurality of coupling members and a plurality of torque transmitting devices. Each of the planetary gear sets includes first, second and third members. The stacked or nested planetary gear set assembly has a carrier member for rotatably supporting a first plurality of pinion gears and a second plurality of pinion gears, a ring gear and a common member. The torque transmitting devices include clutches and brakes.10-20-2011
20110269596MULTI-SPEED TRANSMISSION - A transmission is provided having an input member, an output member, four planetary gear sets, a plurality of coupling members and a plurality of torque transmitting devices. Each of the planetary gear sets includes first, second and third members. The torque transmitting devices may include clutches and brakes.11-03-2011
20110275472MULTI-SPEED TRANSMISSION - A transmission of the present invention has an input member, an output member, four planetary gear sets, a plurality of coupling members and a plurality of torque transmitting devices. Each of the planetary gear sets includes first, second and third members. The torque transmitting devices may include clutches and brakes. The torque transmitting devices are selectively engageable in combinations of at least three to establish at least nine forward speed ratios and at least one reverse speed ratio11-10-2011
20110275473MULTI-SPEED TRANSMISSION - A transmission is provided having an input member, an output member, four planetary gear sets, a plurality of coupling members and a plurality of torque transmitting devices. Each of the planetary gear sets includes first, second and third members. The torque transmitting devices include clutches and a brake. The torque transmitting mechanisms are selectively engageable in combinations of at least two to establish at least eight forward speed ratios and at least one reverse speed ratio between the input member and the output member.11-10-2011
20110287885EIGHT SPEED AUTOMATIC TRANSMISSION - An automatic transmission is provided having an input member, an output member, four planetary gear sets, a plurality of coupling members and a plurality of torque transmitting devices. Each of the planetary gear sets includes first, second and third members. The torque transmitting devices may be either clutches or brakes.11-24-2011
20110294617GEAR TRAIN OF AUTOMATIC TRANSMISSION FOR VEHICLES - A gear train of an automatic transmission realizes at least ten forward speeds and one reverse speed by combining four simple planetary gear sets with four clutches and two brakes and three friction elements are operated at each shift-speed such that the gear train has advantages of simplifying structures of the automatic transmission and improving power delivery performance and fuel economy.12-01-2011
20110294618EIGHT SPEED AUTOMATIC TRANSMISSION - An automatic transmission is provided having an input member, an output member, four planetary gear sets, a plurality of coupling members and a plurality of torque transmitting devices. Each of the planetary gear sets includes first, second and third members. The torque transmitting devices may be either clutches or brakes.12-01-2011
20110294619MULTI-SPEED TRANSMISSION - A transmission is provided having an input member, an output member, four planetary gear sets, a plurality of coupling members and a plurality of torque transmitting devices. Each of the planetary gear sets includes first, second and third members. The torque transmitting devices may include clutches and at least one brake. The torque transmitting mechanisms are selectively engageable in combinations of at least two to establish at least eight forward speed ratios and at least one reverse speed ratio between the input member and the output member.12-01-2011
20110300987MULTI-SPEED GEARBOX - A transmission which comprises an input shaft and an output shaft, first, second, third and fourth planetary gear sets, third, fourth, fifth, sixth, seventh and eighth shafts, first, second, third, fourth and fifth gearshifting elements for achieving eight forward gears and one reverse gear. The first gearshifting element, when engaged, couples the third shaft with a housing of the transmission. The second gearshifting element, when engaged, couples the fourth shaft with the housing of the transmission. The third gearshifting element, when engaged, couples the input first shaft with the fifth shaft. The eighth shaft (12-08-2011
20110306460MULTI-STAGE TRANSMISSION - A transmission with nine forward and one reverse gear comprises planetary gearsets, shafts and shift elements. A sun gear of a first gearset (P12-15-2011
20110306461AUTOMATIC TRANSMISSION - An automatic transmission includes a double-pinion planetary gearset and two single-pinion planetary gearsets. A first ring gear is held stationary. A second sun gear and a third ring gear are coupled to a first sun gear and a first carrier respectively, constituting first and second rotor units. An output is coupled to a third carrier. A first clutch selectively couples a second carrier to the first rotor unit. A second clutch selectively couples the second carrier to the second rotor unit. A third clutch selectively couples an input to the second carrier. A fourth clutch selectively couples a second ring gear to a third sun gear. A fifth clutch selectively couples the second ring gear to the third carrier. A sixth clutch selectively couples the input to the third sun gear. Nine forward gear ratios and one reverse gear ratio are obtained by simultaneous application of three of the clutches.12-15-2011
20110312466MULTI-SPEED TRANSMISSION HAVING THREE PLANETARY GEAR SETS - A transmission is provided having an input member, an output member, three planetary gear sets, a plurality of coupling members and a plurality of torque transmitting devices. Each of the planetary gear sets includes first, second and third members. The torque transmitting devices include clutches and brakes.12-22-2011
20120004066GEAR TRAIN OF AUTOMATIC TRANSMISSION FOR VEHICLES - A gear train of an automatic transmission for vehicles which achieving at least ten forward speeds and one reverse speed, may include an input shaft receiving torque of an engine which may be driving source, an output gear outputting a changed torque, first, second, third, and fourth planetary gear sets respectively having first, second, third, and fourth sun gears, first, second, third, and fourth planet carriers, and first, second, third, and fourth ring gears as rotation elements thereof, eight rotation shafts formed by connecting one rotation element to other rotation element, the input shaft, or the output gear, or being the rotation element, and friction members provided with first, second, third, and fourth clutches disposed between selected rotation shafts and controls delivery of the torque therebetween and first and second brakes selectively connecting selected rotation shaft to a transmission housing.01-05-2012
20120004067LOW FRICTION LOSS AUTOMATIC TRANSMISSION - An automatic transmission including a double pinion planetary gear unit PG01-05-2012
20120040796MULTI-SPEED TRANSAXLE - A front wheel drive transmission is provided having a transmission input member, a transmission output member, four planetary gear sets, a plurality of coupling members and a plurality of torque transmitting devices. Each of the planetary gear sets includes a sun gear member, a planet carrier member, and a ring gear member. The torque transmitting devices include clutches and a brake arranged within a transmission housing.02-16-2012
20120058856MULTI-SPEED TRANSMISSION - A transmission of the present invention has an input member, an output member, four planetary gear sets, a plurality of coupling members and a plurality of torque transmitting devices. Each of the planetary gear sets includes first, second and third members. The torque transmitting devices may include clutches and brakes. The torque transmitting devices are selectively engageable in combinations of at least two to establish at least nine forward speed ratios and at least one reverse speed ratio.03-08-2012
20120065020MULTI-SPEED TRANSMISSION - A transmission includes an input and output member, four planetary gear sets each having first, second and third members, five interconnecting members continuously interconnecting members of the four planetary gear sets and six torque transmitting mechanisms selectively engageable to interconnect one of the first members, second members, and third members with at least one of another of the first members, second members, third members, and a stationary member. The torque transmitting mechanisms are selectively engageable in combinations of at least three to establish at least eight forward speed ratios and at least one reverse speed ratio between the input member and the output member.03-15-2012
20120071289MULTI-SPEED TRANSMISSION HAVING AUTOMATIC AND MANUAL MODES - A transmission is disclosed having an input member, an output member, and first, second, third and fourth planetary gear sets each having first, second and third members. A plurality of interconnecting members continuously interconnect one of the first, second and third members of one of the planetary gear sets with one of the first, second and third members of another of the planetary gear sets. Six torque-transmitting mechanisms are selectively engageable in combinations of at least three to establish at least nine forward speed ratios and at least one reverse speed ratio between the input member and the output member. The first of the five torque-transmitting mechanisms is a selectable one-way clutch.03-22-2012
20120083381TRANSMISSION HAVING AT LEAST TEN SPEEDS - A transmission of the present invention has an input member, an output member, two planetary gear sets, a planetary gear set assembly, a plurality of coupling members and a plurality of torque transmitting devices. Each of the planetary gear sets includes first, second and third members. The planetary gear set assembly includes first, second, third, fourth and fifth members. The torque transmitting devices may include clutches and brakes. The torque transmitting devices are selectively engageable in combinations of at least two to establish at least ten forward speed ratios and at least one reverse speed ratio.04-05-2012
20120083382TRANSMISSION HAVING AT LEAST TEN SPEEDS - A transmission of the present invention has an input member, an output member, four planetary gear sets, a plurality of coupling members and a plurality of torque transmitting devices. Each of the planetary gear sets includes first, second and third members. The torque transmitting devices may include clutches and brakes. The torque transmitting devices are selectively engageable in combinations of at least three to establish at least ten forward speed ratios and at least one reverse speed ratio.04-05-2012
20120088625TRANSMISSION HAVING AT LEAST TEN SPEEDS - A transmission of the present invention has an input member, an output member, two planetary gear sets, a planetary gear set assembly, a plurality of coupling members and a plurality of torque transmitting devices. Each of the planetary gear sets includes first, second and third members. The planetary gear set assembly includes first, second, third and fourth members The torque transmitting devices may include clutches and brakes. The torque transmitting devices are selectively engageable in combinations of at least three to establish at least ten forward speed ratios and at least one reverse speed ratio.04-12-2012
20120088626MULTI-SPEED TRANSMISSION WITH EXTERNAL DRIVE GEARSETS - A transmission is provided having an input member, an output member, three planetary gear sets, two external gear sets, a plurality of coupling members and a plurality of torque transmitting devices. Each of the planetary gear sets includes first, second and third members. Each of the external gear sets includes first and second gears. The torque transmitting devices include clutches and brakes.04-12-2012
20120088627MULTI-SPEED TRANSMISSION WITH EXTERNAL DRIVE GEARSETS - A transmission is provided having an input member, an output member, three planetary gear sets, three external gear sets or sprockets, a plurality of coupling members and a plurality of torque transmitting devices. Each of the planetary gear sets includes first, second and third members. Each of the external gear sets includes first and second gears. The torque transmitting devices include clutches and a brake.04-12-2012
20120094799MULTI-SPEED TRANSMISSION WITH EXTERNAL DRIVE GEARSETS - A transmission is provided having an input member, an output member, three planetary gear sets, two external gear sets or sprocket sets, a plurality of coupling members and a plurality of torque transmitting devices. Each of the planetary gear sets includes first, second and third members. Each of the external gear sets includes first and second members. The torque transmitting devices include clutches and brakes.04-19-2012
20120122625GEAR TRAIN OF AUTOMATIC TRANSMISSION FOR VEHICLES - A gear train of an automatic transmission for vehicles has the advantages of simplifying structures of the automatic transmission and improving power delivery performance and fuel economy as a consequence of realizing at least nine forward speeds and one reverse speed by combining three simple planetary gear sets with four clutches and three brakes.05-17-2012
20120149525MULTI-RATIO TRANSMISSION - A multi-ratio transmission comprising four planetary gearsets, eight rotary shafts and six shifting elements including first, second, third and fourth clutches and first and second brakes. The shafts either directly couple or selectively couple, via the shifting elements, the gearsets to each other or a housing of the transmission so as to implement nine forward gears and one reverse gear.06-14-2012
20120172171MULTISTAGE TRANSMISSION - The present invention relates to a multistage transmission, comprising: a center shaft arranged in a frame such that the center shaft does not rotate; an input member arranged coaxially to the center shaft such that the input member is rotatable; a hub arranged coaxially to the center shaft such that the hub is rotatable; an epicyclic gear set which is coupled to the input member and mounted on the hub, and which is arranged coaxially to the center shaft such that the epicyclic gear set is rotatable, and which has at least two pairs of epicyclic gears, wherein each of the epicyclic gears has a sun gear, a ring gear, a satellite carrier and a pinion; an axial clutch which is involved in the operation of the sun gear which is selectively coupled to or separated from at least one of the peripheral members; a clutch assembly in which at least one of the clutches in a rotating direction are arranged in correspondence with the respective sun gears, wherein said clutches in the rotating direction are involved in the operation of the sun gear which is selectively coupled to or separated from the center shaft; and a transmission shaft which has a hollow portion and a plurality of radial through-holes, and which covers the center shaft and rotates to select a rotating direction, and which is involved in the operation of the clutch assembly. The multistage transmission of the present invention provides two or more gear ratios between the input member and the hub in accordance with the rotating direction of the transmission shaft.07-05-2012
20120178580MULTI-SPEED TRANSMISSION - A transmission includes an input and output member, four planetary gear sets each having first, second and third members, five interconnecting members continuously interconnecting members of the four planetary gear sets and six torque transmitting mechanisms selectively engageable to interconnect one of the first members, second members, and third members with at least one of another of the first members, second members, third members, and a stationary member. The torque transmitting mechanisms are selectively engageable in combinations of at least two to establish at least nine forward speed ratios and at least one reverse speed ratio between the input member and the output member.07-12-2012
20120178581MULTI-SPEED TRANSMISSION - A transmission is provided having an input member, an output member, four planetary gear sets, a plurality of coupling members and six torque transmitting devices. Each of the planetary gear sets includes first, second and third members. The torque transmitting devices may include clutches and brakes.07-12-2012
20120283064METHOD FOR OPERATING A TRANSMISSION DEVICE HAVING A PLURALITY OF FRICTION-FIT SHIFT ELEMENTS AND AT LEAST ONE FORM-FIT SHIFT ELEMENT - A method of operating a transmission device (11-08-2012
20120295754MULTI-SPEED TRANSMISSION - A transmission includes an input and output member, two planetary gear set assemblies each having first, second, third, and fourth members, one interconnecting members continuously interconnecting a member of the first planetary gear set assembly with a member of the second planetary gear set assembly and six torque transmitting mechanisms selectively engageable to interconnect one of the first members, second members, third members, and fourth members with at least one of the input member and a stationary member. The torque transmitting mechanisms are selectively engageable in combinations of at least three to establish at least nine forward speed ratios and at least one reverse speed ratio between the input member and the output member.11-22-2012
20120309580Automatic Transmission - A transmission includes epicyclic gearing including first, second, third and fourth gearsets, each gearset including first, second and third members; a first member of the first gearset and a first member of the second gearset being secured against rotation; and clutches, each clutch selectively opening and closing a drive connection between members of the gearsets.12-06-2012
20130012351POWERTRAIN OF AN AUTOMATIC TRANSMISSION - A powertrain of an automatic transmission includes a first planetary gear set having first, second, and third operating members, a second planetary gear set having fourth, fifth, and sixth operating members, and third planetary gear set having seventh, eighth, and ninth operating members, the fourth and seventh operating members being fixedly interconnected, the fifth and ninth operating members being fixedly interconnected, the third and eighth operating members being selectively interconnected, the second and seventh operating members being selectively interconnected, the second and sixth operating members being selectively interconnected, wherein a transmission case is fixedly connected to the first operating member and selectively connected to the seventh and eighth operating members, an input shaft is fixedly connected to the third operating member and selectively connected to the seventh operating member, and an output shaft is fixedly connected to the ninth operating member.01-10-2013
20130023376METHOD FOR CONTROLLING A MULTI-SPEED TRANSMISSION HAVING FOUR PLANETARY GEAR SETS FOR PRODUCING AT LEAST NINE GEAR SPEEDS - A transmission of the present invention has an input member, an output member, four planetary gear sets, a plurality of coupling members and a plurality of torque transmitting devices. Each of the planetary gear sets includes first, second and third members. The torque transmitting devices include clutches and brakes. A method for controlling the transmission selectively engages the torque transmitting devices in combinations of at least two to establish at least nine forward speed ratios and at least one reverse speed ratio.01-24-2013
20130035195Planetary-Gear Automatic Transmission - A planetary-gear automatic transmission, in particular a planetary-gear automatic transmission includes at least eight forward gear positions. For shifting the individual gear positions, shifting devices formed by clutches and/or brakes are provided. For actuating the shifting devices, shift actuators are provided which generate assigned actuating forces. The planetary-gear automatic transmission is constructed such that all shift actuators can be arranged or are arranged directly on or directly in the area of the assigned shifting devices.02-07-2013
20130040776MULTI-SPEED TRANSMISSION - A transmission is provided having an input member, an output member, at least three planetary gear sets, a plurality of coupling members and a plurality of torque transmitting devices. Each of the planetary gear sets includes first, second and third members. The torque transmitting devices include clutches and brakes actuatable in combinations of two to establish at least ten forward gear ratios and one reverse gear ratio.02-14-2013
20130045829MULTI-SPEED TRANSMISSION HAVING FOUR PLANETARY GEAR SETS - A transmission is provided having an input member, an output member, two planetary gear sets, another two planetary gear sets that may be stacked or nested to form a planetary gear set assembly, a plurality of coupling members and a plurality of torque transmitting devices. Each of the planetary gear sets includes first, second and third members. The stacked or nested planetary gear set assembly has a carrier member for rotatably supporting a first plurality of pinion gears and a second plurality of pinion gears, a ring gear and a common member. Further, the two other planetary gear sets may be configured to form a Simpson gear train. The torque transmitting devices include clutches and brakes.02-21-2013
20130085032MULTI-SPEED TRANSMISSION - A transmission is provided having an input member, an output member, at least four planetary gear sets, a plurality of coupling members and a plurality of torque transmitting devices. Each of the planetary gear sets includes first, second and third members. The torque transmitting devices include clutches and brakes actuatable in combinations of two to establish a plurality of forward gear ratios and one reverse gear ratio.04-04-2013
20130085033MULTI-SPEED TRANSMISSION - A transmission of the present invention has an input member, an output member, four planetary gear sets, a plurality of coupling members and a plurality of torque transmitting devices. Each of the planetary gear sets includes first, second and third members. The torque transmitting devices may include clutches and brakes. The torque transmitting devices are each selectively engageable in combinations of at least three to establish at least nine forward speed ratios and at least one reverse speed ratio.04-04-2013
20130090206MULTI-SPEED TRANSMISSION - A transmission of the present invention has an input member, an output member, four planetary gear sets, a plurality of coupling members and a plurality of torque transmitting devices. Each of the planetary gear sets includes first, second and third members. The torque transmitting devices may include clutches and brakes. The torque transmitting devices are each selectively engageable in combinations of at least three to establish a plurality forward speed ratios and at least one reverse speed ratio.04-11-2013
20130109527MULTI-SPEED TRANSMISSION05-02-2013
20130123060MULTI-SPEED TRANSMISSION - The 8-speed transmission which comprises an input shaft (AN), an output shaft (AB), four planetary gearsets (RS05-16-2013
20130143709MULTI-SPEED TRANSMISSION - A transmission of the present invention has an input member, an output member, four planetary gear sets, a plurality of coupling members and a plurality of torque transmitting devices. Each of the planetary gear sets includes a sun gear, a carrier member supporting a plurality of planet pinion gears and a ring gear member. The torque transmitting devices may include clutches and brakes. The torque transmitting devices are selectively engageable in combinations of at least three to establish a plurality forward speed ratios and at least one reverse speed ratio.06-06-2013
20130143710MULTI-SPEED TRANSMISSION HAVING THREE PLANETARY GEAR SETS - A transmission having an input member, an output member, three planetary gear sets, a plurality of coupling members and a plurality of torque transmitting devices. Each of the planetary gear sets includes first, second and third members. The torque transmitting devices include clutches and brakes.06-06-2013
20130157796Automatic Transmission With Improved Gear Arrangement - The present disclosure provides an automatic transmission having an input adapted to couple to a torque-generating mechanism and an output coupled to the input. The transmission also includes a first rotating torque-transferring mechanism disposed along a first torque path and coupled to the input. A second rotating torque-transferring mechanism is disposed along a second torque path and is coupled to the input independent of the first torque-transferring mechanism. The transmission includes a plurality of stationary torque-transferring mechanisms, each of which is disposed between the input and output. The transmission includes a first planetary gearset, a second planetary gearset, a third planetary gearset, and a fourth planetary gearset, where each gearset includes a sun gear, a ring gear, and a carrier assembly. Moreover, the carrier assembly of the third planetary gearset is coupled to the output and the sun gear of the fourth planetary gearset.06-20-2013
20130184117VEHICULAR AUTOMATIC TRANSMISSION - A vehicular automatic transmission includes three single pinion planetary gear sets and a plurality of engagement elements. A plurality of gears is selectively established by three of the plurality of engagement elements being engaged and three of the plurality of engagement elements being released. One of the plurality of engagement elements is a dedicated reverse engagement element that is engaged when a reverse gear is established and is released when a forward gear is established.07-18-2013
20130196812FLEXIBLE AND SCALABLE MULTI-RATIO PLANETARY TRANSMISSION - The present disclosure provides a multi-ratio scalable transmission system for multiple vehicle configurations. The system includes an input disposed along a first axis configured to receive torque from a variable speed propulsion device and an output disposed along a second axis and coupled to the input. The system further includes a selectably engageable clutch coupled between the input and output and a planetary unit coupled to both the input and the output, where the planetary unit includes at least one planetary gearset and a brake. The system is configurable based on a particular vehicle configuration such that the first axis and second axis can be coaxial or non-coaxial.08-01-2013
20130210570MULTI-SPEED TRANSMISSION - A transmission having an input member, an output member, at least four planetary gear sets, a plurality of coupling members and a plurality of torque transmitting devices. Each of the planetary gear sets includes first, second and third members. The torque transmitting devices include clutches and brakes actuatable in combinations of three to establish a plurality of forward gear ratios and one reverse gear ratio.08-15-2013
20130210571AUTOMATIC TRANSMISSION - Provided is an automatic transmission capable of reducing friction loss. The automatic transmission is provided with an input shaft (08-15-2013
2013023736410-GEAR AUTOMATIC TRANSMISSION - The invention concerns an automatic transmission of planetary structure, comprising a drive input shaft (AN), a drive output shaft (AB), first, second, third and fourth planetary gear sets (RS09-12-2013
2013026094310-GEAR AUTOMATIC TRANSMISSION - The invention concerns an automatic transmission of planetary structure, comprising a drive input shaft (AN), a drive output shaft (AB), first, second, third and fourth planetary gear sets (RS10-03-2013
20130260944MULTI-SPEED TRANSMISSION - A transmission includes an input and output member, four planetary gear sets each having first, second and third members, five interconnecting members continuously interconnecting members of the four planetary gear sets and six torque transmitting mechanisms selectively engageable to interconnect one of the first members, second members, and third members with at least one of another of the first members, second members, third members, and a stationary member. The torque transmitting mechanisms are selectively engageable in combinations of at least three to establish at least eight forward speed ratios and at least one reverse speed ratio between the input member and the output member.10-03-2013
20130260945MULTI-STAGE GEARBOX OF PLANETARY CONSTRUCTION - A multi-stage planetary gearbox, in particular a torque split gearbox of a work machine, having a housing which accommodates four planetary gearsets, a plurality of shafts, and shift elements including brakes and clutches which implement different gear ratios between the drive and output shafts. The drive shaft couples a carrier of the third gearset which can couple, via a first clutch, a third shaft that is coupled to a ring gear of a second gearset and which can be connected, via a second clutch, to a fourth shaft connected to a sun gear of the third gearset. A fifth shaft couples a sun gear of the second gearset and can be locked, via a first brake, with the housing. A sixth shaft couples a ring gear of the third gearset and a carrier of the second gearset. The output shaft is coupled to a carrier of a fourth gearset.10-03-2013
20130267369MULTISTEP GEAR MECHANISM - The transmission has four planetary gear sets and shafts and shift elements. Sun gear of the planetary gearset (P10-10-2013
20130274058MULTISTEP GEAR MECHANISM - A transmission having four planetary gearsets, and shafts and shift elements. Sun gear of gearset (P10-17-2013
20130281253LATCHING CLUTCH CONTROL SYSTEM - A system is provided for latching and draining a torque transmitting device. The system may include a clutch feed channel having an inlet portion and a clutch portion. The inlet portion is configured to provide hydraulic fluid from a pressurized source to the clutch portion. The clutch portion is configured to provide hydraulic fluid to a torque transmitting device. An inlet valve connects the inlet portion of the clutch feed channel to the clutch portion of the clutch feed channel. The inlet valve is configured to open to allow the hydraulic fluid to flow from the inlet portion to the clutch portion when the torque transmitting device is engaged. The inlet valve is configured to close and to trap hydraulic fluid within the torque transmitting device when the torque transmitting device is not actively pressurized. A multispeed transmission is also provided.10-24-2013
20130288847PLANETARY GEAR TYPE MULTI-STAGE TRANSMISSION - A motor vehicle multi-stage planetary transmission which has a housing that accommodates four planetary gear sets (P10-31-2013
20130310210MULTI-SPEED TRANSMISSION - A transmission has an input member, an output member, four planetary gear sets, a plurality of coupling members and a plurality of torque transmitting devices. Two of the four planetary gear sets are stacked. Two of the planetary gear sets include first, second and third members. The two planetary gear sets that are stacked form a planetary gear set assembly that includes a first, second, third and fourth member. The torque transmitting devices include clutches and brakes.11-21-2013
20130316870MULTI-SPEED TRANSMISSION - A family of transmission gearing arrangements produces up to ten forward and one reverse speed ratios by selective engagement of various combinations of three or four shift elements. Each disclosed transmission includes four planetary gear sets and six shift elements. Two of the shift elements can be brakes.11-28-2013
20130337963AUTOMATIC TRANSMISSION GEAR AND CLUTCH ARRANGEMENT - A transmission is provided having an input member, an output member, four planetary gear sets, a four coupling members and a six torque-transmitting mechanisms. Further, a hydraulic fluid control circuit is provided for controlling the operation of the plurality of torque-transmitting devices. The hydraulic fluid control circuit receives pressurized hydraulic fluid from an off-axis hydraulic fluid pump and has a plurality of fluid passages disposed in the transmission house, input member and other coupling members.12-19-2013
20140004990Configuration for Compact Planetary Transmission01-02-2014
20140018204FLUID SUPPLY FOR ROTATING PISTON - A transmission is provided having an input member, an output member, at least four planetary gear sets, coupling members, and torque transmitting devices. Each of the planetary gear sets includes first, second and third members. The torque transmitting devices include clutches and brakes actuatable in combinations of two to establish at least eleven forward gear ratios and one reverse gear ratio. A clutch assembly for use in an automatic transmission is provided that includes an apply piston and a stationary fluid supply member. The apply piston is configured to rotate during at least one gear speed of the automatic transmission. The stationary fluid supply member has portions forming a channel in the stationary fluid supply member and defining an outlet end of the channel. The stationary fluid supply member is configured to supply fluid to the apply piston through the outlet end of the channel.01-16-2014
20140024488MULTI-SPEED TRANSMISSION - A transmission gearing arrangements produces up to ten forward and one reverse speed ratios by selective engagement of various combinations of four shift elements. Each disclosed transmission includes four planetary gear sets and at least six shift elements. One of the shift elements may be a dog clutch. Optional passive one way brakes simplify the control.01-23-2014
20140038764MULTI-SPEED TRANSMISSION - A transmission gearing arrangements produces up to ten forward and one reverse speed ratios by selective engagement of various combinations of four shift elements. Each disclosed transmission includes four planetary gear sets and at least six shift elements. One of the shift elements may be a dog clutch. Optional passive one way brakes simplify the control.02-06-2014
20140045640MULTIPLE SPEED TRANSMISSION - A family of transmission gearing arrangements produces nine forward and one reverse speed ratio by selective engagement of various combinations of three clutches or brakes. Each transmission gearing arrangement includes a front shiftable gearing arrangement configured to establish a variety of speed ratios between an intermediate shaft and an input shaft. These speed ratios include a reverse speed ratio, a zero speed ratio, two underdrive ratios, and a direct ratio. Each transmission also includes a rear shiftable gearing arrangement configured to selectively establish particular speed relationships among the input shaft, the intermediate shaft, and an output shaft. Engagement of a clutch in the rear shiftable gearing arrangement establishes an underdrive ratio between the output shaft and the intermediate shaft. Engagement of another clutch in the rear shiftable gearing arrangement constrains the speed of the input shaft to be a weighted average between the speed of the intermediate shaft and the output shaft.02-13-2014
20140045641MULTI-SPEED TRANSMISSION - A transmission gearing arrangement produces at least nine forward speed ratios and one reverse speed ratio by selective engagement of three shift elements in various combinations. One embodiment includes four simple planetary gear sets, four clutches, and two brakes. Another embodiment includes two axis transfer gear pairs, three simple planetary gear sets, four clutches, and two brakes.02-13-2014
20140080656MULTIPLE SPEED TRANSMISSION WITH INTEGRATED LOW RANGE - A transmission gearing arrangement includes four simple planetary gear sets, a range selection clutch, and five other clutches including one brake. The transmission is operated in high range by engaging the range selection clutch and in low range by disengaging the range selection clutch. In high range, the transmission produces eight forward speed ratios and one reverse speed ratio by selective engagement of various combinations of three of the five other clutches. In low range, the transmission produces five forward speed ratios by selective engagement of various combinations of two of the other five clutches. The transmission can shift from the fourth low range ratio to the third high range ratio while the vehicle is in motion.03-20-2014
20140080657MULTIPLE SPEED TRANSMISSION AND METHOD OF OPERATION - A family of transmissions has four planetary gear sets, five controllable clutches and brake, and a passive one way brake. Selective engagement of the brakes and clutches in combinations of three produces eight forward speed ratios and one reverse speed ratio. The passive one way brake is engaged in the first forward speed ratio and overruns in the second through fifth forward speed ratios.03-20-2014
20140087911MULTI-SPEED TRANSMISSION WITH A ONE-WAY CLUTCH - A transmission is provided having an input member, an output member, at least four planetary gear sets, a plurality of coupling members and a plurality of torque transmitting devices. Each of the planetary gear sets includes first, second and third members. The torque transmitting devices include clutches and brakes actuatable in combinations of two to establish a plurality of forward gear ratios and one reverse gear ratio. The torque transmitting devices include a selectable one-way clutch.03-27-2014
20140106923TEN-SPEED TRANSMISSION - A transmission is provided having an input member, an output member, four planetary gear sets, a plurality of coupling members and a plurality of torque transmitting devices. Each of the planetary gear sets includes first, second and third members. The torque transmitting devices include clutches and brakes.04-17-2014
20140141924MULTI-SPEED TRANSMISSION - A transmission is provided having an input member, an output member, four planetary gear sets, a plurality of coupling members and a plurality of torque transmitting devices. Each of the planetary gear sets includes first, second and third members. The torque transmitting devices include clutches and brakes actuatable in combinations of two to establish a plurality of forward gear ratios and one reverse gear ratio.05-22-2014
20140179487Multiple Speed Transmission With Integrated Low Range - A transmission gearing arrangement includes four simple planetary gear sets, three brakes, and four rotating clutches. The brakes and clutches may be engaged in combinations of three to establish at least ten forward transmission ratios and at least three reverse transmission ratios. The lowest forward transmission ratio and lowest reverse transmission ratio may be used to implement a low range mode, obviating the need for a two speed transfer case.06-26-2014
20140213408AUTOMATIC TRANSMISSION - An automatic transmission includes an input shaft, first, second, third, and fourth planetary gear sets, a plurality of engagement mechanisms, and an output member. The input shaft is rotatably supported inside a transmission case to be rotated by a driving force received from a drive source. The first, second, third, and fourth planetary gear sets are arranged in sequence along an axis line of the input shaft and each include three elements having a sun gear, a carrier, and a ring gear. The plurality of engagement mechanisms each releasably connect two of the three elements with each other or releasably connect one of the three elements to the transmission case. The output member is disposed on outer circumferences of the second and third planetary gear sets and connected to the ring gear of one of the second and third planetary gear sets to output rotation of the input shaft.07-31-2014
20140221148Multi-Speed Transmission - A family of transmission gearing arrangements produces up to nine forward and one reverse speed ratios by selective engagement of three shift elements in various combinations. Each disclosed transmission includes four planetary gear sets and six elements. Two of the arrangements feature planetary gear sets that are separated radially and are particularly suited to applications that require reduced axial length.08-07-2014
20140235398MULTI-SPEED TRANSMISSION - A family of transmission gearing arrangements produces at least nine forward speed ratios and one reverse speed ratio by selective engagement of three shift elements in various combinations. Each disclosed transmission includes four planetary gear sets, three brakes, and either three or four clutches. One embodiment produces twelve forward speed ratios and two reverse speed ratios. Another embodiment produces thirteen forward speed ratios.08-21-2014
20140235399MULTI-SPEED TRANSMISSION - A transmission gearing arrangement produces at least nine forward speed ratios and one reverse speed ratio by selective engagement of three shift elements in various combinations. One embodiment includes four simple planetary gear sets, three clutches, and three brakes. Another embodiment includes four axis transfer gear pairs, two simple planetary gear sets, five clutches, and one brake.08-21-2014
20140235400MULTI-SPEED TRANSMISSION HAVING THREE PLANETARY GEAR SETS - A transmission includes an input member, an output member, three planetary gear sets, a coupling member and a plurality of torque transmitting devices. Each of the planetary gear sets includes first, second and third members. The torque transmitting devices include clutches and brakes.08-21-2014
20140256498MULTI-SPEED TRANSMISSION - A transmission gearing arrangement produces at least nine forward speed ratios and one reverse speed ratio by selective engagement of three shift elements in various combinations. One embodiment includes four simple planetary gear sets, three clutches, and three brakes. A second embodiment includes four simple planetary gear sets, four clutches, and two brakes. In this second embodiment, three of the clutches and one of the brakes form a four shift element module. A third embodiment includes two axis transfer gear pairs, three simple planetary gear sets, five clutches, and one brake.09-11-2014
20140256499MULTI-SPEED TRANSMISSION - A transmission gearing arrangement produces ten forward speed ratios and four reverse speed ratio by selective engagement of three shift elements in various combinations. Some embodiment includes four simple planetary gear sets and seven shift elements of which three or four are brakes. Another embodiment includes two axis transfer gear pairs in place of one of the planetary gear sets. One of the brakes is used only in reverse and may be a latch.09-11-2014
20140274546MULTI-SPEED TRANSMISSION - A transmission has an input member, an output member, at least four planetary gear sets, a plurality of coupling members and a plurality of torque transmitting devices. Each of the planetary gear sets includes first, second and third members. The torque transmitting devices include clutches and brakes actuatable in combinations of three to establish a plurality of forward gear ratios and at least one reverse gear ratio.09-18-2014
20140349803AUTOMATIC TRANSMISSION FOR VEHICLE - The first planetary gear set is configured to integrally rotate by a first clutch. The first element is coupled with the fifth element. The second element is configured to be locked through a first brake to a stationary section and configured to be coupled through a second clutch with the ninth element. The third element is coupled with the input shaft. The fourth element is configured to be coupled through a third clutch with the ninth element. The sixth element is locked to the stationary section. The seventh element is configured to be locked through a second brake to the stationary section. The eighth element is coupled with an output shaft. The ninth element is coupled with the twelfth element. The tenth element is configured to be coupled through a fourth clutch with the output shaft. The eleventh element is coupled with the input shaft.11-27-2014
20140364268CONTINUOUSLY VARIABLE TRANSMISSION AND A WORKING MACHINE INCLUDING A CONTINUOUSLY VARIABLE TRANSMISSION - A continuously variable transmission includes a variator unit having a variator input shaft and a variator output shaft, and a first, a second, a third and a fourth planetary gear set, wherein each of the first and second planetary gear sets has a first member operatively connected to a common transmission input shaft, which transmission input shaft is common to the first and second gear sets, and a second member operatively connected to an output shaft, which output shaft is common to the first and second gear sets. Each of the first and second planetary gear sets further includes a third member, and the third planetary gear set has a first, a second and a third member.12-11-2014
20140371023MULTI-SPEED TRANSMISSION - A family of transmission gearing arrangements provides between eight and ten forward speed ratios and a reverse speed ratio. Three planetary gear sets are located on the input axis and a fourth planetary gear set is located on an offset axis. Axis transfer gears convey power between the input axis and the offset axis. One axis transfer gear is supported by a front support while another is supported by a center support. The center support also supports a clutch module and supplies pressurized fluid to engage the clutches in the clutch module.12-18-2014
20140371024MULTI-SPEED TRANSMISSION - A transmission gearing arrangement produces nine forward speed ratios and one reverse speed ratio by selective engagement of three shift elements in various combinations. Two planetary gear sets are configured to rotate about an input axis while two planetary gear sets are configured to rotate about a second axis. Power is transferred from the input axis to the second axis by two pairs of axis transfer gears. The output element is located on the second axis.12-18-2014
20140371025AUTOMATIC TRANSMISSION FOR VEHICLE - A vehicle automatic transmission includes: a plurality of rotating elements disposed rotatably relative to a transmission case; clutches each disposed between two rotating elements of the plurality of the rotating elements to be engaged to inhibit relative rotation between the two rotating elements and released to allow relative rotation between the two rotating elements, the clutches not including those engaged to directly couple the rotating elements to the transmission case and selectively establishing multiple shift stages achieved in the automatic transmission depending on a combination of engagement and release of the clutches, the vehicle automatic transmission, including three planetary gear devices and the six clutches, the plurality of the rotating elements being configured to include sun gears, carriers, and ring gears of the three respective planetary gear devices, and each of the multiple shift stages being established by engaging four clutches and releasing the remaining two clutches.12-18-2014
2014037102610-SHIFT POWER TRAIN OF AUTOMATIC TRANSMISSION FOR VEHICLE - The present invention provides a 10-shift power train of an automatic transmission for a vehicle, comprising: a first planetary gear set including a first sun gear selectively connected to a transmission casing, a first ring gear selectively connected to the transmission casing, and a first planetary carrier for integrally connecting a plurality of single pinions engaged between the first sun gear and the first ring gear; a second planetary gear set including a second sun gear directly connected to the first sun gear, a second planetary carrier directly connected to an input shaft and selectively connected to a third sun gear, and a second ring gear selectively connected to a fourth ring gear; a third planetary gear set including a third sun gear selectively connected to the second planetary carrier, a third planetary carrier selectively connected to the second ring gear, and a third ring gear selectively connected to the second ring gear; and a fourth planetary gear set including a fourth sun gear directly connected to the third planetary carrier, the fourth ring gear being directly connected to an output shaft, and a fourth planetary carrier directly connected to the first planetary carrier and to the third ring gear.12-18-2014
20140378266NINE SPEED TRANSMISSION WITH LATCHING MECHANISM - A transmission is provided having an input member, an output member, four planetary gear sets, a plurality of coupling members and a plurality of torque transmitting devices. Each of the planetary gear sets includes first, second and third members. The torque transmitting devices include clutches and brakes including a selectable one-way clutch actuatable in combinations of two to establish a plurality of forward gear ratios and one reverse gear ratio. The transmission also includes a transmission auto start/stop enabler which includes a latch mechanism. The latch mechanism readies one of the plurality of torque transmitting devices during an engine auto stop/start event or in preparation for a stop of the motor vehicle.12-25-2014
20140378267TEN SPEED TRANSMISSION WITH LATCHING MECHANISMS - A transmission is provided having an input member, an output member, four planetary gear sets, a plurality of coupling members and a plurality of torque transmitting devices. Each of the planetary gear sets includes first, second and third members. The torque transmitting devices include clutches and brakes actuatable in combinations of four to establish a plurality of forward gear ratios and one reverse gear ratio. The transmission also includes a transmission auto start/stop enabler which includes a latch mechanism. The latch mechanism readies at least one of the plurality of torque transmitting devices during an engine auto stop/start event or in preparation for a stop of the motor vehicle.12-25-2014
20140378268MULTI-RATIO TRANSMISSION - A multi-stage transmission having eight forward and one reverse gear including planetary gears, shafts, and shift elements. The sun gear of gearset (P12-25-2014
20150011352MULTI-RATIO TRANSMISSION - A multi-stage transmission with eight forward and one reverse gear including planetary gearsets, shafts, and shift elements. The sun gear of gearset (P01-08-2015
20150011353AUTOMATIC TRANSMISSION DEVICE - An automatic transmission configured with four planetary gear mechanisms, three clutches, and three brakes configured so as to selectively provide ten forward speeds and a reverse speed. The configuration enables smoother acceleration due to the number of different shift speeds available, and provides a generally more comfortable driving experience. The combination also enables a reduction of loss of efficiency that that occurs due to the meshing between gears and enhances the torque transfer efficiency.01-08-2015
20150018156MULTI-SPEED TRANSMISSION - A family of transmission gearing arrangements provides a plurality of forward speed ratios and one or more reverse speed ratios by selective engagement of shift elements in various combinations. An input and an output are provided. Three planetary gear sets are located at an offset position relative to the input axis and the output axis. Axis transfer gears are provided to transfer rotational energy from the input to one of the planetary gear sets, and from one of the planetary gear sets to the output.01-15-2015
20150018157MULTI-RATIO TRANSMISSION - A transmission with nine forward and one reverse gear having four planetary gearsets, eight shafts and six shifting elements. The sun gears of gearsets (P01-15-2015
20150018158AUTOMATIC TRANSMISSION DEVICE - An automatic transmission device that changes a relative speed between an input and output member. The transmission configured with a first planetary gear mechanism including first to third rotary elements, a second planetary gear mechanism including fourth to sixth rotary elements, a third planetary gear mechanism including seventh to ninth rotary elements, and a fourth planetary gear mechanism including tenth to twelfth rotary elements. A first coupling between the third and eighth rotary element, a second coupling between the fifth and eleventh rotary element, a third coupling between the sixth and twelfth rotary element, a fourth coupling between the seventh and tenth rotary element. A first clutch between the first and third coupling, a second clutch between the first rotary element and the third coupling element, a third clutch between the first and fourth rotary element.01-15-2015
20150018159AUTOMATIC TRANSMISSION DEVICE - An automatic transmission for adjusting the relative speed between an input and output member. The transmission being configured with four planetary gears, the first having first to third rotary elements, the second having fourth to sixth rotary elements, the third having seventh to ninth rotary elements, the fourth having tenth to twelfth rotary elements. Three couplings between (i) first and sixth rotary elements, (ii) second and fifth rotary elements, and (iii) eighth and twelfth rotary elements. Three clutches are provided between (i) the second coupling and input member, (ii) third coupling and input member, and (iii) seventh rotary element and input member. Three brakes are provided at (i) the fourth rotary element, (ii) third coupling element, and (iii) tenth rotary element. The output member is connected to the third rotary element.01-15-2015
20150018160MULTI-STAGE PLANETARY VEHICLE TRANSMISSION - A multi-gear transmission having a housing, planetary gearsets, shafts and shifting elements. Input shaft (01-15-2015
20150031492MULTI-SPEED TRANSMISSION - Transmissions with at least three gearing-arrangements with similar first and second gearing-arrangements that produce a number of transmissions having an eleven forward-speed and two reverse-speed ratios, having ten forward-speed and three reverse-speed ratios, and having five forward-speed and one reverse-speed ratios by selective engagement of three shift-elements in various combinations. Some embodiments include four simple planetary-gearsets and six shift-elements of which two or three are brakes. Another embodiment includes a double-pinion planetary-gearset and six shift-elements of which three are brakes. Other embodiments include three simple planetary-gearsets and five shift-elements of which one or two are brakes.01-29-2015
20150031493MULTI-RATIO TRANSMISSION - A multi-stage transmission having eight forward and one reverse gear includes planetary gearsets, shafts and shift elements. The sun gear of gearset (P01-29-2015
20150031494AUTOMATIC TRANSMISSION DEVICE - An automatic transmission is provided to adjust the speed between input and output members. The transmission is configured with four planetary gears having, (i) first to third rotary elements, (ii) fourth to sixth, (iii) seventh to ninth, and (iv) tenth to twelfth rotary elements. Three couplings are provided between (i) first and sixth rotary elements, (ii) second and ninth rotary elements, and (iii) third and eighth rotary elements. Three clutches are provided between (i) second coupling element and tenth rotary element, (ii) fifth and twelfth rotary elements, and (iii) fourth and tenth rotary elements. Three brakes are provided at (i) the fifth rotary element, (ii) the fourth rotary element, and (iii) seventh rotary element. The input member is connected to the tenth rotary element and the output member is connected to the third coupling element.01-29-2015
20150045173MULTISTAGE TRANSMISSION - A four-stage multi-gear transmission in which the carrier of a fourth gearset (02-12-2015
20150051043MULTI-RATIO TRANSMISSION - A multi-stage transmission with eight forward and one reverse gear, including drive and output shafts, planetary gearsets, gear stage, shift elements and shafts. The drive shaft couples the carrier of gearset (P02-19-2015
20150087467MULTI-SPEED TRANSMISSION - A transmission has an input member, an output member, at least four planetary gear sets, a plurality of coupling members and a plurality of torque transmitting devices. Each of the planetary gear sets includes first, second and third members. The torque transmitting devices include clutches, a one-way clutch and brakes actuatable in combinations of two to establish a plurality of forward gear ratios and at least one reverse gear ratio.03-26-2015
20150087468MULTI-SPEED GEARBOX - Multi-stage transmission comprising four gear sets, shafts and shift elements. Sun of first set is connected to eighth shaft connected to sun of second set and is connectable, via third clutch, to drive shaft. Drive shaft is connectable, via first clutch, to fourth shaft connected to ring of first set and is couplable, via first brake, to the housing. Drive shaft is connectable, via second clutch, to seventh shaft connected to carrier of second set and being connectable, via fourth clutch, to third shaft which is connectable to ring of third set. Sixth shaft is connected to ring of second set and carrier of fourth set. Sun of third set is coupled to housing. Fifth shaft is connected to carrier of first set and sun of fourth set and is couplable, via second brake, to housing. Output shaft is connected to carrier of third set and ring of fourth set.03-26-2015
20150087469MULTI-STAGE POWER-SHIFT TRANSMISSION - A power shiftable multi-stage transmission of a planetary design and disposed between an input drive shaft and an output shaft for a vehicle. The multi-stage transmission has two parallel shaft trains, six shift elements, at least two spur gear stages and three planetary gear sets. Each of the planetary gear sets has a sun gear, a ring gear and a planet carrier combined in a carrier having multiple planetary gears. The two shaft trains may be connected to one another via the at least two spur gear stages. Different transmission ratios, between the input drive shaft and the output shaft, may be achieved by selective engagement of the six shift elements such that a plurality of forward gears, at least nine forward gears, and at least one reverse gear, may be implemented.03-26-2015
20150094184MULTI-SPEED TRANSMISSION - A transmission gearing arrangement produces nine forward speed ratios and one reverse speed ratio by selective engagement of three shift elements in various combinations. Some embodiments includes four simple planetary gear sets and six shift elements of which two may be brakes. Other alternative embodiments may additionally include a third brake.04-02-2015
20150094185MULTI-SPEED GEARBOX - A four-stage multi-stage transmission, in which a ring gear of a first planetary gear set is connected to a sun gear of a fourth planetary gear set, a ring gear of the fourth planetary gear set is connected to the output shaft, a sun gear of the first planetary gear set and a carrier of a second planetary gear set are couplable to the housing via a first brake, a carrier of the first planetary gear set is couplable to the housing via a second brake, the drive shaft is couplable to the carrier of the fourth planetary gear set via a first clutch, and a ring gear is couplable to the sun gear of the fourth planetary gear set via a second clutch. Adjustment of further couplings, within the multi-stage transmission, facilitates a set of gears having similar properties.04-02-2015
20150099603MULTI-SPEED TRANSMISSION - A transmission gearing arrangement produces eleven forward speed ratios and one reverse speed ratio by selective engagement of three shift elements in various combinations. One embodiment includes four simple planetary gear sets, four clutches, and two brakes. Another embodiment includes two axis transfer gear pairs, three simple planetary gear sets, four clutches, and two brakes. Each of these embodiments may include a one way brake such that the first shift is non-synchronous. A third embodiment includes four simple planetary gear sets, four brakes, and two clutches.04-09-2015
20150105211PLANETARY GEAR TRAIN OF AN AUTOMATIC TRANSMISSION FOR A VEHICLE - A planetary gear train includes first, second, third and fourth planetary gear sets, first rotating body including first sun gear, second rotating body including first planet carrier, third rotating body including first ring gear and third and fourth sun gears, fourth rotating body including second sun gear, fifth rotating body including second planet carrier, sixth rotating body including second ring gear and third planet carrier, seventh rotating body including third ring gear and fourth planet carrier, an eighth rotating body including fourth ring gear, first clutch variably connecting the first and fourth rotating bodies, second clutch variably connecting the second and fourth rotating bodies, third clutch variably connecting the third and fifth rotating bodies, fourth clutch variably connecting the fifth and eighth rotating bodies, first brake variably connecting the first rotating body and the transmission housing, and second brake variably connecting the eighth rotating body and the transmission housing.04-16-2015
20150111686GEAR TRAIN OF AUTOMATIC TRANSMISSION FOR VEHICLE - A gear train may include an input shaft adapted to receive torque of an engine, an output shaft adapted to output changed torque, a first planetary gear set including a first sun gear, a first planet carrier, and a first ring gear as rotation elements thereof, a second planetary gear set including a second sun gear, a second planet carrier, and a second ring gear as rotation elements thereof, and a third planetary gear set including a third sun gear, a third planet carrier, and a third ring gear as rotation elements thereof.04-23-2015
20150119185MULTI-SPEED TRANSMISSION - A transmission gearing arrangement has four simple planetary gear sets and five or six shift elements. One embodiment has three brakes and three clutches and produces nine forward speeds by selective engagement of various combinations of three of the shift elements. A second embodiment has two brakes and four clutches and produces nine forward speeds by selective engagement of various combinations of three of the shift elements. A third embodiment has two brakes and three clutches and produces seven forward speeds by selective engagement of various combinations of two of the shift elements. Each embodiment may optionally include a passive one way brake that simplifies the control of certain shifts.04-30-2015
20150119186MULTI-SPEED TRANSMISSION - A transmission gearing arrangement has four simple planetary gear sets and five or six shift elements. A ring gear is fixedly held against rotation. A sun gear and a carrier are fixedly coupled to the input shaft. One embodiment has two brakes and three clutches and produces seven forward speeds by selective engagement of various combinations of two of the shift elements. Other embodiments have two brakes and four clutches and produce nine forward speeds by selective engagement of various combinations of two of the shift elements. Each embodiment may optionally include a passive one way brake that simplifies the control of certain shifts.04-30-2015
20150126324Multi-Stage Power-Shift Transmission - Power-shiftable multi-speed transmission in planetary design for a vehicle for an arrangement between an input shaft (AN) and an output shaft (AB), characterized in that the multi-speed transmission features two parallel shaft trains (WS05-07-2015
20150133258MULTI-SPEED GEARBOX - A multi-stage transmission which has a sun gear of a fourth planetary gear set connected with the housing in a non-rotatable manner, a ring gear of a first planetary gear set is permanently connected with a ring gear of the fourth planetary gear set, a sun gear of the first planetary gear set can be coupled with the housing via a first brake, a carrier of the first planetary gear set can be coupled with the housing via a second brake, the input drive shaft can be coupled with sun gear of the first planetary gear set via a first clutch, and the drive shaft can be coupled with a carrier of the fourth planetary gear set via a second clutch. Variations of other couplings within the multi-stage transmission result in transmissions having similar properties.05-14-2015
20150133259AUTOMATIC TRANSMISSION - An automatic transmission includes plural planetary gear mechanisms rotatably supported by a housing to be coaxial to a rotation axis, a ring gear of the foremost planetary gear mechanism being connected to a sun gear of the rearmost planetary gear mechanism, an input shaft being connected to a carrier of the foremost planetary gear mechanism, an output shaft being connected to a carrier of the rearmost planetary gear mechanism, a rotation member positioned at a radially outward of the ring gear of the rearmost planetary gear mechanism to be rotatable coaxially to the ring gear of the rearmost planetary gear mechanism, a brake selectively fixing the rotation member to the housing, a clutch selectively connecting the rotation member and a carrier of the planetary gear mechanism positioned at front relative to the rearmost planetary gear mechanism by one, and a dog clutch selectively connecting the ring gear of the rearmost planetary gear mechanism and the rotation member.05-14-2015
201502925999-Speed Planetary Gearbox - A transmission includes a drive shaft (10-15-2015
201503004579-Speed Planetary Gearbox - A transmission has one drive shaft, one output shaft, one housing, a first planetary gear set, a second planetary gear set, and a third planetary gear set, six shift elements, including a first brake, a second brake, a first clutch, a second clutch, a third clutch, and a fourth clutch. The shift elements selectively actuated, by which nine forward gears and one reverse gear are realized through different transmission ratio relationships between the drive shaft and the output shaft. Each planetary gear set features at least one sun gear, one planetary gear, one planetary carrier, and one ring gear. The drive shaft and the output shaft are arranged in a manner axially offset to each other, and the drive shaft is connectable to the sun gear of the first planetary gear set through the first clutch and to the first brake and the ring gear of the second planetary gear set through the second clutch. The ring gear of the second planetary gear set and the first brake are also connected to each other.10-22-2015
201503004589-Speed Planetary Gearbox - A transmission includes a drive shaft (10-22-2015
20150300459TRANSMISSION FOR A MOTOR VEHICLE - A transmission for motor vehicles includes a drive shaft; an output shaft; a housing (GE); six shift elements in the form of a first brake (B10-22-2015
20150300460Multi-Speed Gearbox - A multi-speed transmission has four planetary gear sets, eight rotatable shafts and six shifting elements. The sun gear of the first planetary gear set is connected to the third shaft, which is detachably connectable to the input shaft through a first coupling and is attachable to the housing through a first brake. The input shaft is, through a second coupling, detachably connectable to the fourth shaft connected to the bar of the third planetary gear set, which is attachable to the bar of the first planetary gear set through a second brake, that is coupled to the housing (G). The input shaft is connected to the sun gear of the fourth planetary gear set. The eighth shaft is connected to the ring gear of the first planetary gear set, the sun gear of the second planetary gear set, and the sun gear of the third planetary gear set. The fifth shaft is connected to the bar of the second planetary gear set and the ring gear of the third planetary gear set and is, through a third coupling, detachably connectable to the seventh shaft connected to the ring gear of the fourth planetary gear set. The sixth shaft is connected to the ring gear of the second planetary gear set and is, through a fourth coupling, detachably connectable to the output shaft of the transmission, which is connected to the bar of the fourth planetary gear set.10-22-2015
20150308543MULTI-SPEED TRANSMISSION - A transmission includes an input and output member, four planetary gear sets each having first, second and third members, five interconnecting members continuously interconnecting members of the four planetary gear sets and six torque transmitting mechanisms selectively engageable to interconnect one of the first members, second members, and third members with at least one of another of the first members, second members, third members, and a stationary member. The torque transmitting mechanisms are selectively engageable in combinations of at least three to establish at least eight forward speed ratios and at least one reverse speed ratio between the input member and the output member.10-29-2015
20150323046MULTI-SPEED TRANSMISSION - A family of transmission gearing arrangements provides a plurality of forward speed ratios and one or more reverse speed ratios by selective engagement of shift elements in various combinations. Three simple planetary gear sets are located on the input axis. One of the simple planetary gear sets may have either a split-ring arrangement in which two ring gears are provided with one carrier and one sun gear, or a split-sun arrangement in which two sun gears are provided with one carrier and one ring gear.11-12-2015
20150337925FOUR PLANETARY-GEARSET STEP-RATIO AUTOMATIC TRANSMISSION - A four gearing-arrangement transmission having six shift-elements cooperatively engaging in combinations of three to provide nine forward speeds and one reverse speed. The transmission having a first gearing-arrangement with an end-gear fixedly coupled to a ground. A second gearing-arrangement with one end-gear fixedly coupled to an input and the other end-gear fixedly coupled to an interior-gear of the first gearing-arrangement. A third gearing-arrangement having an interior-gear fixedly coupled to an output. A fourth gearing-arrangement having a fourth interior-gear fixedly coupled to the input.11-26-2015
20150369342AUTOMATIC TRANSMISSION - An automatic transmission that shifts power applied to an input member and outputs the shifted power to an output member, the automatic transmission including a first planetary gear mechanism, a second planetary gear mechanism, a third planetary gear mechanism, a fourth planetary gear mechanism, a first coupling element, a second coupling element, a third coupling element, a fourth coupling element, a first clutch, a second clutch, a third clutch, a fourth clutch, a first brake and a second brake.12-24-2015
20150377325Multi-Stage Planetary Transmission - A multi-speed transmission in planetary design for a vehicle with a housing (12-31-2015
20160003328Multi-Stage Planetary Transmission - A multi-speed transmission in planetary design is proposed for a vehicle. A first shaft is provided as a drive (An) and a second shaft is provided as an output (Ab) arranged axially parallel to the drive. Three planetary gear sets (RS01-07-2016
20160003329Multi-Stage Planetary Transmission - A multi-speed transmission in planetary design with a housing is proposed. A first shaft (01-07-2016
20160003330Multi-Stage Planetary Transmission - A multi-speed transmission in planetary design for a vehicle with a housing (01-07-2016
20160010727Multi-Speed Transmission In Planetary Design01-14-2016
20160010733PLANETARY GEAR TRAIN OF AUTOMATIC TRANSMISSION FOR VEHICLES01-14-2016
20160017959Multi-Stage Transmission - The multi-stage transmission comprises a drive shaft (01-21-2016
20160017962Transmission - A transmission (G) is provided having four planetary gear sets (P01-21-2016
20160025191POWERTRAIN FOR AUTOMATIC TRANSMISSION - The present invention relates to a powertrain for an automatic transmission. The powertrain for an automatic transmission consisting of an input shaft, an output shaft and first to third planetary gear sets comprises: first to seventh actuating elements constituting the first to third planetary gear sets; and shifting elements including first to fourth clutches and first and second brakes, wherein at least two of the shifting elements are actuated so that the first to seventh actuating elements are driven or restrained, thereby implementing eight forward speed and two reverse speed ratios.01-28-2016
20160033013Multi-Stage Planetary Transmission - A multi-speed transmission in planetary design for a vehicle includes a housing, a first shaft (02-04-2016
20160040756Transmission for a Motor Vehicle - The invention relates to a transmission, in particular a multi-speed transmission for a motor vehicle, comprising a housing, a drive shaft, an output shaft, at least four planetary gear sets, whereas each of the planetary gear sets comprises one sun gear, at least one planet, one planetary carrier and one ring gear, along with six shift elements in the form of at least three clutches and at least two brakes, whereas the drive shaft is connectable through the second clutch to the planetary carrier of the first planetary gear set, and the planetary carrier of the first planetary gear set is connectable to the second brake, and the drive shaft is connectable through the third clutch to the first brake, and the drive shaft is connectable through the third clutch to the sun gear of the first planetary gear set.02-11-2016
20160040768AUXILIARY TRANSMISSION FOR A VEHICLE - A motor vehicle group transmission with at least one housing, a main transmission and a range transmission connected downstream from the main transmission. The main transmission comprises at least four planetary gearsets, each of which comprises a sun gear, a carrier, a planetary gearwheel mounted on the carrier and a ring gear, and at least five shifting elements. The range transmission includes at least two planetary gearsets, each of which has a sun gear, a carrier, a planetary gearwheel mounted on the carrier and a ring gear, and at least three shifting elements. The main transmission and the range transmission, together in combination, provide at least thirteen forward gears and at least eight reverse gears.02-11-2016
20160047442Transmission for a Motor Vehicle - The invention relates to a transmission, in particular a multi-speed transmission for a motor vehicle, comprising a housing, a drive shaft, an output shaft, at least four planetary gear sets, whereas each of the planetary gear sets comprises one sun gear, at least one planet, one planetary carrier and one ring gear, along with several shift elements in the form of at least three clutches and at least three brakes, whereas the drive shaft is connectable through the second clutch to the planetary carrier of the first planetary gear set, and the planetary carrier of the first planetary gear set is connected to the second brake, and the ring gear of the first planetary gear set is connected to the planetary carrier of the fourth planetary gear set, and the planetary carrier of the fourth planetary gear set is connected to the sun gear of the third planetary gear set, and the sun gear of the fourth planetary gear set is connected to the third brake and the planetary carrier of the third planetary gear set is connected to the output shaft, and the ring gear of the third planetary gear set is connected to the ring gear of the fourth planetary gear set, and the third clutch is connected to the first brake, and the third clutch is connected to the sun gear of the first planetary gear set02-18-2016
20160053865Multi-Stage Planetary Gear Mechanism - A multi-speed planetary transmission, in particular an automatic transmission for a motor vehicle, comprising a housing (02-25-2016
20160053866Transmission for a Motor Vehicle - The invention relates to a transmission, in particular a multi-speed transmission for a motor vehicle, comprising a housing, a drive shaft, an output shaft, at least four planetary gear sets, whereas each of the planetary gear sets comprises one sun gear, at least one planet, one planetary carrier and one ring gear, along with several shift elements in the form of at least four clutches and at least two brakes, whereas the sun gear of the fourth planetary gear set is connected to the housing, the planetary carrier of the fourth planetary gear set is connectable through the fourth clutch to the output shaft, the second brake is connected to the sun gear of the first planetary gear set, the first brake is connected to the ring gear of the first planetary gear set and to the planetary carrier of the first planetary gear set and the first brake is connectable through the third clutch to the drive shaft.02-25-2016
20160053867Transmission for a Motor Vehicle - The invention relates to a transmission, in particular a multi-speed transmission for a motor vehicle, comprising a housing, a drive shaft, an output shaft, at least four planetary gear sets, whereas each of the planetary gear sets comprises one sun gear, at least one planet, one planetary carrier and one ring gear, along with several shift elements, whereas six shift elements are formed in the form of at least three clutches and at least two brakes, and the drive shaft is connectable through the second clutch to the planetary carrier of the first planetary gear set and through the second brake to the housing, and the drive shaft is connectable through the third clutch to the first brake and to the sun gear of the first planetary gear set.02-25-2016
20160053868Transmission for a Motor Vehicle - The invention relates to a transmission, in particular a multi-clutch transmission for a motor vehicle, comprising the elements of drive shaft, several planetary gear sets, whereas one planetary gear set comprises the planetary elements of a sun gear, one or more planetary gears, one bar and one ring gear, N shift elements, comprising several clutches, whereas N is a whole number greater than four, and an output shaft, whereas, by means of at least one of the N shift elements, the drive shaft is connectable to the output shaft for the presentation of various gears by means of at least one of the planetary transmissions, whereas the N shift elements comprise at least M brakes and N−M clutches, whereas M is a whole number greater than or equal to one, and whereas at least (N−M)/2 clutches work together with the drive shaft and/or the output shaft.02-25-2016
20160053869Transmission for a Motor Vehicle - Transmission, in particular a multi-speed transmission for a motor vehicle, comprising a housing, a drive shaft, an output shaft, at least four planetary gear sets, whereas each of the planetary gear sets comprises one sun gear, one planet, one planetary carrier and one ring gear, along with several shift elements in the form of at least four clutches and at least two brakes, whereas the drive shaft is connectable through the second clutch to the planetary carrier of the third planetary gear set and to the planetary carrier of the fourth planetary gear set, whereas the first brake is connected to the ring gear of the first planetary gear set and to the planetary carrier of the second planetary gear set, whereas the second brake is connected to the sun gear of the first planetary gear set, and whereas the planetary carrier of the first planetary gear set is connected to the sun gear of the fourth planetary gear set.02-25-2016
20160061298Transmission for a Motor Vehicle - A multi-speed transmission for a motor vehicle includes a housing, a drive shaft, an output shaft, at least four planetary gear sets, whereas each of the planetary gear sets comprises one sun gear, at least one planet, one planetary carrier and one ring gear, along with several shift elements in the form of at least four clutches and at least two brakes. The sun gear of the fourth planetary gear set is connected to the housing. The planetary carrier of the fourth planetary gear set is connectable through the fourth clutch to the drive shaft. The second brake is connected to the sun gear of the second planetary gear set. The first brake is connected to the ring gear of the second planetary gear set. The ring gear of the fourth planetary gear set is connected to the planetary carrier of the second planetary gear set.03-03-2016
20160069431Multi-Speed Transmission - A family of transmission gearing arrangements each establish at least one reverse gear ratio and between nine and fifteen forward gear ratios. A shiftable gearing arrangement establishes a variety of speed ratios between the input and a first shaft. In some embodiments, a fixed speed ratio is established upstream or downstream of the shiftable gearing arrangement. In reverse and low gear ratios, a low clutch couples the first shaft to the output. In the high gear ratios, a combining planetary gear set establishes a linear speed relationship between the first shaft, a second shaft rotating at a speed proportional to the input, and the output.03-10-2016
20160084355PLANETARY GEAR TRAIN OF AUTOMATIC TRANSMISSION FOR VEHICLE - A planetary gear train may include an input shaft into which power of an engine may be input, a first planetary gear set including a first sun gear, a first planetary carrier, and a first ring gear, a second planetary gear set including a second sun gear, a second planetary carrier, and a second ring gear, a third planetary gear set including a third sun gear, a third planetary carrier, and a third ring gear, and a fourth planetary gear set including a fourth sun gear, a fourth planetary carrier, and a fourth ring gear, and first to eighth rotational shafts.03-24-2016
20160108996MULTI-STAGES AUTOMATIC TRANSMISSION FOR VEHICLE - A multi-stages automatic transmission for a vehicle may include first, second, third and fourth planetary gear sets, each including first, second and third rotation elements, respectively, and friction members including first, second, third and fourth clutches and first and second brakes.04-21-2016
20160123431GEAR ASSEMBLY - The present invention is a mechanical power transmission system without the use of a clutch. The system comprises of input planetary gear systems, output planetary gear systems, a stabilizing structure disposed between the input planetary gear systems and output planetary gear systems, and connecting shafts which transfer the mechanical power between the input planetary gears within the input planetary gear systems and the output planetary gears within the output planetary gear systems.05-05-2016
20160123432MULTI-STAGES AUTOMATIC TRANSMISSION FOR VEHICLE - A multi-stages automatic transmission for vehicle may include first, second, third and fourth planetary gear sets each including first, second and third rotation elements, friction members including first, second, third and fourth clutches and first and second brakes, in which an input shaft may be connected to the first rotation element of the second planetary gear set and the third rotation element of the fourth planetary gear set, and an output shaft may be connected to the second rotation element of the fourth planetary gear set.05-05-2016
20160123433MULTI-STAGES AUTOMATIC TRANSMISSION FOR VEHICLE - A multi-stages automatic transmission for a vehicle may include first, second, third and fourth planetary gear sets each including first, second and third rotation elements, and friction members including first, second, third and fourth clutches and first and second brakes, in which an input shaft may be connected to the second rotation element of the first planetary gear set and the second rotation element of the fourth planetary gear set, and an output shaft may be connected to the second rotation element of the first planetary gear set.05-05-2016
20160131226Multi-Stage Planetary Transmission - A planetary multi-speed transmission for a vehicle with a housing is proposed. A first shaft is provided as a drive (An) and a second shaft is provided as an output (Ab) that is axially parallel to the drive. Three planetary gear sets and additional shafts, along with six shifting elements are provided, through which the actuation of several gears are realized. Machine elements are provided for transfer of torque between the drive (An) and the output (Ab). The first shaft, as a drive, is connectable to the planetary gear carrier of the third planetary gear set, to the ring gear of the first planetary gear set, to the sun gear of the second planetary gear set, to the ring gear of the third planetary gear set, to the ring gear of the second planetary gear set, and to the first machine element. The second shaft is connected or connectable, as a drive (Ab), to the first machine element and to the second machine element.05-12-2016
20160131227Multi-Stage Planetary Transmission - A planetary multi-speed transmission for a vehicle with a housing is proposed. A first shaft is provided as a drive and a second shaft is provided as an output that is axially parallel to the drive. Three planetary gear sets and additional shafts, along with six shifting elements, are provided, through which the actuation of several gears can be realized. Machine elements are provided for the transfer of torque between the drive and the output. The first shaft is connectable, as the drive, to the sun gear of the second planetary gear set, to the sun gear of the first planetary gear set, to the planetary gear carrier of the second planetary gear set, to the planetary gear carrier of the first planetary gear set, and to the first machine element. The second shaft is connected or connectable, as a drive, to the first machine element and to the second machine element.05-12-2016
20160146294MULTI-STEP TRANSMISSION FOR VEHICLE - A multi-step transmission for a vehicle may include an input shaft, an output shaft, first to fourth planetary gear devices disposed between the input shaft and the output shaft to transmit rotary force, each of the first to fourth planetary gear devices having three rotary elements, and at least six shifting elements connected to the rotary elements of the planetary gear devices.05-26-2016
20160146296MULTI-STAGE TRANSMISSION FOR VEHICLE - A multi-stage transmission for a vehicle may include an input shaft, an output shaft, first, second, third and fourth planetary gear devices disposed between the input shaft and the output shaft to transmit rotary force, each of the first, second, third and fourth planetary gear devices having three rotary elements, and at least six shifting elements connected to the rotary elements of the planetary gear devices.05-26-2016
20160146304MULTI-STAGE TRANSMISSION FOR VEHICLE - A multi-stage transmission may include an input shaft and an output shaft; a first planetary gear device, a second planetary gear device, a third planetary gear device, and a fourth planetary gear device provided between the input shaft and the output shaft to transfer a torque and each planetary gear set including three rotating elements; and at least six shifting elements connected to the rotating elements of the first, second, third, and fourth planetary gear devices.05-26-2016
20160146305MULTI-STAGE TRANSMISSION FOR VEHICLE - A multi-stage transmission for a vehicle may include an input shaft, an output shaft, first to fourth planetary gear devices disposed between the input shaft and the output shaft to transmit rotary force, each of the first to fourth planetary gear devices having three rotary elements, and at least six shifting elements connected to the rotary elements of the planetary gear devices.05-26-2016
20160169329MULTI-STAGE TRANSMISSION FOR VEHICLE06-16-2016
20160169330MULTI-STAGE TRANSMISSION FOR VEHICLE06-16-2016
20160169331MULTI-STAGE TRANSMISSION FOR VEHICLE06-16-2016
20160169333PLANETARY GEAR TRAIN OF AUTOMATIC TRANSMISSION FOR VEHICLES06-16-2016
20160169334PLANETARY GEAR TRAIN OF AUTOMATIC TRANSMISSION FOR VEHICLE06-16-2016
20160169335PLANETARY GEAR TRAIN OF AUTOMATIC TRANSMISSION FOR VEHICLE06-16-2016
20160169337PLANETARY GEAR TRAIN OF AUTOMATIC TRANSMISSION FOR VEHICLE06-16-2016
20160169339PLANETARY GEAR TRAIN OF AUTOMATIC TRANSMISSION FOR VEHICLES06-16-2016
20160169340PLANETARY GEAR TRAIN OF AUTOMATIC TRANSMISSION FOR VEHICLES06-16-2016
20160169343PLANETARY GEAR TRAIN OF AUTOMATIC TRANSMISSION FOR VEHICLES06-16-2016
20160169346PLANETARY GEAR TRAIN OF AUTOMATIC TRANSMISSION FOR VEHICLE06-16-2016
20160169348AUTOMATIC TRANSMISSION FOR VEHICLE06-16-2016
20160169349PLANETARY GEAR TRAIN OF AUTOMATIC TRANSMISSION FOR VEHICLE06-16-2016
20160169350PLANETARY GEAR TRAIN OF AUTOMATIC TRANSMISSION FOR VEHICLE06-16-2016
20160169351PLANETARY GEAR TRAIN OF AUTOMATIC TRANSMISSION FOR VEHICLE06-16-2016
20160169352PLANETARY GEAR TRAIN OF AUTOMATIC TRANSMISSION FOR VEHICLES06-16-2016
20160178034Multistep Automatic Transmission06-23-2016
20160195171EIGHT-SPEED POWERTRAIN OF AUTOMATIC TRANSMISSION FOR VEHICLE07-07-2016
20160195172AUTOMATIC TRANSMISSION07-07-2016
20160201766AUTOMATIC TRANSMISSION APPARATUS07-14-2016
20160252164MULTI-STAGE TRANSMISSION09-01-2016
20190145500MOTOR VEHICLE POWERTRAIN05-16-2019

Patent applications in class Transmission includes three relatively rotatable sun gears

Patent applications in all subclasses Transmission includes three relatively rotatable sun gears

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