Entries |
Document | Title | Date |
20080207381 | MULTI-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. | 08-28-2008 |
20080207382 | AUTOMATIC TRANSMISSION - [Task] To provide an automatic transmission apparatus for forward 8-speed, which keeps a transmission gear ratio step in good balance. | 08-28-2008 |
20080207383 | AUTOMATIC TRANSMISSION - [Object] To provide an automatic transmission capable of providing a sufficient feeling of acceleration with a clear shift feeling at the time of shifting with acceleration by properly allocating step ratios between shift stages. | 08-28-2008 |
20080207384 | Automatic transmission - An automatic transmission that includes two adjacent clutches. Two clutches each include a clutch drum, a piston that structures an operating oil chamber with a portion of the clutch drum used as a cylinder, a plurality of friction plates that engage with the clutch drum, a cancel oil chamber that is arranged on a back surface side of the piston and that cancels a centrifugal oil pressure acting on the operating oil chamber, and a return spring that is provided within the cancel oil chamber and that is structured between a cancel plate and a back surface of the piston and that biases the piston toward the operating oil chamber. | 08-28-2008 |
20080207385 | Automatic transmission - An automatic transmission includes two clutches that are disposed such that they overlap in an axial direction and occupy different positions in a radial direction. Each of the two clutches includes a clutch drum, a piston that forms a working fluid chamber for which a portion of the clutch drum serves as a cylinder, a plurality of friction plates that engage the clutch drum, and a cancel oil chamber that is disposed on a rear face side of the piston and that cancels a centrifugal oil pressure that acts on the working fluid chamber. | 08-28-2008 |
20080207386 | Automatic transmission - An automatic transmission that includes two clutches that are disposed at positions that overlap in an axial direction and are different in a radial direction. The two clutches each include: a clutch drum, a piston that structures a working oil chamber with a portion of the clutch drum used as a cylinder, a plurality of friction plates that engage the clutch drum, and a cancel oil chamber that is disposed on a back surface side of the piston and that cancels a centrifugal hydraulic pressure that acts on the working oil chamber. An inner spline is formed on the clutch drum of one clutch, among the two clutches, that is positioned on an outer diameter side. An outer spline is formed on the clutch drum of the other clutch, among the two clutches, that is positioned on an inner diameter side. | 08-28-2008 |
20080207387 | PLANETARY GEAR TYPE MULTISTAGE TRANSMISSION FOR VEHICLE - The transmission | 08-28-2008 |
20080234093 | Multi-Speed Gearbox - The eight-gear transmission comprises an input shaft (AN), an output shaft (AB), four planetary gearsets (RS | 09-25-2008 |
20080242476 | 8-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 a 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 six torque-transmitting mechanisms 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 |
20080242477 | 8-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, three fixed interconnections and a 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 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 |
20080242478 | 8-Speed Transmission With Two Fixed Interconnections and One Grounded Member - 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 five torque-transmitting mechanisms, two fixed interconnections and a 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 with the transmission housing, and are operated in combinations to establish eight forward speed ratios and one reverse speed ratio. | 10-02-2008 |
20080242479 | 8-Speed Transmission With Two Fixed Interconnections - 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 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 six torque-transmitting devices provide interconnections between various gear members, and with the transmission housing, and are operated in combinations of three to establish eight forward speed ratios and one reverse speed ratio. | 10-02-2008 |
20080242480 | 8-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, three fixed interconnections and a 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 devices provide interconnections between various gear members, and with the transmission housing, 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 |
20080242481 | 8-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 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 three to establish at least eight forward speed ratios and at least one reverse speed ratio. | 10-02-2008 |
20080242482 | 8-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 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 three to establish at least eight forward speed ratios and at least one reverse speed ratio. | 10-02-2008 |
20080242483 | 8-Speed Transmission With Three Fixed Interconnections - 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 and three fixed interconnections. 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 eight forward speed ratios and one reverse speed ratio. | 10-02-2008 |
20080242484 | 8-Speed Transmission With Two Fixed Interconnections - 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 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, and with the transmission housing, 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 |
20080242485 | MULTI-SPEED TRANSMISSION - A multi-speed transmission has four planetary gear sets and five torque-transmitting mechanisms packaged in at least one of six possible zones within the transmission casing. | 10-02-2008 |
20080242486 | EIGHT 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 include clutches and a brake. | 10-02-2008 |
20080242487 | EIGHT 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 include clutches and brakes. | 10-02-2008 |
20080242488 | EIGHT 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 include clutches and brakes. | 10-02-2008 |
20080242489 | EIGHT 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 |
20080242490 | EIGHT 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 include clutches and a brake. | 10-02-2008 |
20080242491 | EIGHT SPEED 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 |
20080242492 | EIGHT 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 |
20080242493 | EIGHT 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. | 10-02-2008 |
20080242494 | EIGHT 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 |
20080248911 | 8-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, two fixed interconnections and a 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 six torque-transmitting devices provide interconnections between various gear members, and the transmission housing, and are operated in combinations to establish at least eight forward speed ratios and at least one reverse speed ratio. | 10-09-2008 |
20080248912 | 8-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 a 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 are operated in combinations to establish eight forward speed ratios and one reverse speed ratio. | 10-09-2008 |
20080248913 | AUTOMATIC TRANSMISSION - An automatic transmission having a second ring gear of planetary gear mechanisms and is connected to an input shaft so as to be able to transmit power thereto, and a first sun gear and a second sun gear, and a first carrier that are connected to each other are in turn connected to a third control brake and a first control brake, respectively. A third sun gear and a fourth sun gear of the planetary gear mechanisms are connected to each other, and are in turn detachably connected to the input shaft | 10-09-2008 |
20080248914 | EIGHT 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. | 10-09-2008 |
20080248915 | EIGHT 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. | 10-09-2008 |
20080261749 | MULTISTAGE TRANSMISSION - With the automatic transmission | 10-23-2008 |
20080261750 | 8-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, four fixed interconnections and a 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 devices 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. | 10-23-2008 |
20080261751 | 8-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, three fixed interconnections and a 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 devices provide interconnections between various gear members, and with a stationary member, and are operated in combinations of two to establish at least eight forward speed ratios and at least one reverse speed ratio. | 10-23-2008 |
20080261752 | 8-Speed Transmission - The transmission has a plurality of members that can be utilized in powertrains to provide at least eight forward speed ratios and at least one reverse speed ratio. The transmission includes four planetary gear sets having five torque-transmitting devices and five 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 five torque-transmitting devices provide interconnections between various gear members, and with a stationary member, and are operated in combinations of two to establish at least eight forward speed ratios and at least one reverse speed ratio. | 10-23-2008 |
20080261753 | 8-Speed Transmission - The transmission has a plurality of members that can be utilized in powertrains to provide at least eight forward speed ratios and at least one reverse speed ratio. The transmission includes four planetary gear sets having five torque-transmitting devices, three fixed interconnections and a 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 devices provide interconnections between various gear members, and with a stationary member, and are operated in combinations of two to establish at least eight forward speed ratios and at least one reverse speed ratio. | 10-23-2008 |
20080261754 | 8-Speed Transmission - The transmission has a plurality of members that can be utilized in powertrains to provide at least eight forward speed ratios and at least one reverse speed ratio. The transmission includes four planetary gear sets having five torque-transmitting devices, four fixed interconnections and a 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 devices provide interconnections between various gear members, and with a stationary member, and are operated in combinations of two to establish at least eight forward speed ratios and at least one reverse speed ratio. | 10-23-2008 |
20080261755 | 8-Speed Transmission - The transmission has a plurality of members that can be utilized in powertrains to provide at least eight forward speed ratios and at least one reverse speed ratio. The transmission includes four planetary gear sets having five torque-transmitting devices, four fixed interconnections and a 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 devices provide interconnections between various gear members, and with the transmission housing, and are operated in combinations to establish at least eight forward speed ratios and at least one reverse speed ratio. | 10-23-2008 |
20080261756 | MULTI-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. | 10-23-2008 |
20080261757 | MULTI-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. | 10-23-2008 |
20080261758 | MULTI-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. | 10-23-2008 |
20080261759 | MULTI-SPEED 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 brakes or clutches. Eight forward speeds or gear ratios and reverse are achieved by engaging various combinations of the brakes and clutches. | 10-23-2008 |
20080261760 | MULTI-SPEED 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 brakes or clutches. Eight forward speeds or gear ratios and reverse are achieved by engaging various combinations of the brakes and clutches. | 10-23-2008 |
20080261761 | MULTI-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. | 10-23-2008 |
20080261762 | MULTI-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. | 10-23-2008 |
20080261763 | MULTI-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. | 10-23-2008 |
20080261764 | MULTI-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. | 10-23-2008 |
20080261765 | MULTI-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. | 10-23-2008 |
20080269003 | Multi-Speed Automatic Transmission - An automatic transmission having input and output drive shafts (AN, AB), a planetary gearset (VS), a main planetary gearset (HS), with three uncoupled input elements and one output element, and shift elements (A, B, C, D, E, F). An input element of gearset (VS) couples with shaft (AN). An output element of gearset (VS) rotates slower than shaft (AN). An element of gearset (VS) is fixed to a transmission housing. The first input element of gearset (HS) is connected, via elements (B, C), to the output element of gearset (VS). The first input element of gearset (HS) is connectable, via element (F), with shaft (AN). The second input element of gearset (HS) is connectable, via element (A), with the output element of gearset (VS). The third input element of gearset (HS) is connectable, via elements (D, E), with shaft (AN). The output element of the gearset (HS) couples shaft (AB). | 10-30-2008 |
20080269004 | Multi-Speed Transmission - The 8-stage transmission possesses one input and one output shaft (AN, AB), four planetary gearsets (RS | 10-30-2008 |
20080269005 | MULTI-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. | 10-30-2008 |
20080269006 | MULTI-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. | 10-30-2008 |
20080280721 | 8-SPEED AUTOMATIC TRANSMISSION FOR A VEHICLE - An eight-speed automatic transmission for a vehicle includes a single pinion planetary gear set, a double pinion planetary gear set, a compound planetary gear set, a first clutch, a second clutch, a third clutch, a fourth clutch, a first brake, a second brake, and a one-way clutch. The second clutch and the fourth clutch are disposed between the double pinion planetary gear set and the compound planetary gear set, and a center supporter is formed between the second clutch and the fourth clutch for smoothly supplying hydraulic pressure to the second clutch and the fourth clutch. Therefore, an input shaft may have a small diameter | 11-13-2008 |
20080280722 | MULTI-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. | 11-13-2008 |
20080280723 | MULTI-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. | 11-13-2008 |
20080280724 | MULTI-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. | 11-13-2008 |
20080300091 | EIGHT SPEED TRANSMISSION - An eight speed automatic 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 three clutches and three brakes. | 12-04-2008 |
20080300092 | 10-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 having six torque-transmitting mechanisms and four 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 six torque-transmitting mechanisms 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 at least one reverse speed ratio. | 12-04-2008 |
20080300093 | MULTI-SPEED AUTOMATIC TRANSMISSION - A multiple speed automatic transmission includes an input member, an output member, a plurality of planetary gear sets, a plurality of interconnecting members and a plurality of torque transmitting devices. Each of the plurality of planetary gear sets has a sun gear, a planet carrier with a plurality of planet gears and a ring gear. The torque transmitting devices include three clutches, a conventional first brake and a second brake comprising a parallel combination of an overrunning clutch and a light duty or coast clutch. Eight forward speeds and one reverse speed are achieved by selective engagement of the five torque transmitting devices. | 12-04-2008 |
20080300094 | AUTOMATIC TRANSMISSION - An automatic transmission includes a first planetary gear set; a second planetary gear set; a third planetary gear set; and at least five friction elements. The at least five friction elements includes a first clutch adapted to selectively connect a first carrier with a second carrier; a first brake adapted to selectively stop a rotation of the second carrier; a second brake adapted to selectively stop a rotation of a rotating member having a first sun gear, a second ring gear, and a third carrier; a third brake adapted to selectively stop a rotation of a third sun gear; and a second clutch adapted to selectively connect the first carrier with a second sun gear. Each of at least seven forward speed-ratios and one reverse speed-ratio is achieved by engaging two friction elements selected from the first and second clutches and the first to third brakes. | 12-04-2008 |
20080300095 | Automatic transmission - An automatic transmission comprises first, second and third gear sets | 12-04-2008 |
20080305912 | MULTI-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. | 12-11-2008 |
20080305913 | MULTI-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. | 12-11-2008 |
20080305914 | MULTI-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. | 12-11-2008 |
20080305915 | MULTI-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. | 12-11-2008 |
20080305916 | MULTI-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. | 12-11-2008 |
20080305917 | MULTI-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. | 12-11-2008 |
20090011892 | Automatic transmission - An automatic transmission that includes one clutch that includes a clutch drum; a piston that forms a hydraulic oil chamber using a part of the clutch drum as a cylinder; a plurality of friction plates that engage with the clutch drum; and a cancel oil chamber that is provided on a rear side of the piston and that cancels a centrifugal oil pressure that acts on the hydraulic oil chamber. Oil is supplied to the cancel oil chamber from a boss portion formed in the clutch drum on a radially inner side, and the oil is discharged from discharge holes formed in the boss portion to an outside of a hydraulic oil chamber side of the clutch drum. | 01-08-2009 |
20090011893 | Automatic transmission - An automatic transmission includes an input shaft, an acceleration/deceleration output unit that is coupled to the input shaft and has a first element that selectively outputs a decelerated rotation or an accelerated rotation of the input shaft and a second element that outputs a same number of rotations as the input shaft, a multiple planetary gear set for shifting having third, fourth, fifth and sixth elements, a first clutch coupling the first element and the sixth element selectively, a second clutch coupling the input shaft and the fourth element selectively, a third clutch coupling the first element and the third element selectively, a fourth clutch coupling the second element and the third element selectively, a first brake fixing the third element selectively, a second brake fixing the fourth element selectively and an output shaft coupled directly to the fifth element. | 01-08-2009 |
20090017971 | MULTI-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. | 01-15-2009 |
20090017972 | MULTI-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. | 01-15-2009 |
20090017973 | MULTI-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. | 01-15-2009 |
20090017974 | MULTI-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. | 01-15-2009 |
20090017975 | MULTI-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. | 01-15-2009 |
20090017976 | MULTI-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 brakes. | 01-15-2009 |
20090017977 | MULTI-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 brakes. | 01-15-2009 |
20090017978 | MULTI-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 brakes. | 01-15-2009 |
20090023540 | MULTI-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. | 01-22-2009 |
20090023541 | MULTI-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 brakes. | 01-22-2009 |
20090029822 | Multi-stage automatic gearbox - A multi-speed automatic transmission comprises a drive input shaft (AN), a drive output shaft (AB), a double planetary transfer gearset (VS), a main gearset (HS) made as a coupled planetary gearset with at least three non-coupled input elements and one output element, and six shift elements (A to F), which, when engaged in pairs, enable at least eight forward gears to be engaged. An input element of the transfer gearset (VS) is connected with the drive input shaft (AN). An output element of the transfer gearset (VS) rotates at a speed slower than the input speed of the drive input shaft (AN). An element of the transfer gearset (VS) is fixed on a transmission housing (GG). The first input element of the main gearset (HS) can be connected via a second shift element (B) to the output element of the transfer gearset (VS), can be fixed by a third shift element (C), and can be connected with the drive input shaft (AN) by a sixth shift element (F). The second input element of the main gearset (HS) can be connected via a first shift element (A) to the output element of the transfer gearset (VS). The third input element of the main gearset (HS) can be fixed by a fourth shift element (D) and can be connected by a fifth shift element (E) to the drive input shaft (AN). The output element of the main gearset (HS) is connected to the drive output shaft (AB). The sixth shift element (F) is arranged axially between the transfer and main gearsets (VS, HS). A servomechanism ( | 01-29-2009 |
20090036256 | MULTI-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. | 02-05-2009 |
20090036257 | MULTI-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. | 02-05-2009 |
20090036258 | MULTI-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. | 02-05-2009 |
20090042686 | MULTI-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. | 02-12-2009 |
20090048062 | GEAR TRAIN OF AN AUTOMATIC TRANSMISSION FOR A VEHICLE - A gear train of an automatic transmission for a vehicle includes: a first planetary gear set that receives an input speed from an input shaft and outputs a reduced speed; a second planetary gear set that receives the reduced speed of the first planetary gear set and selectively outputs a same speed or a reversed speed; and a third planetary gear set that receives the reduced speed of the first planetary gear set, the input speed from the input shaft, and the output speed of the second planetary gear set, and then outputs a shifted output speed. | 02-19-2009 |
20090054193 | MULTI-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. | 02-26-2009 |
20090054194 | MULTI-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. | 02-26-2009 |
20090054195 | MULTI-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. | 02-26-2009 |
20090054196 | MULTI-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. | 02-26-2009 |
20090054197 | MULTI-SPEED TRANSMISSION - A transmission is provided having an input member, an output member, three planetary gear sets, four external co-planar 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 may include clutches and brakes. | 02-26-2009 |
20090069142 | METHOD AND SYSTEM FOR CONTROLLING POWER INVERTERS IN ELECTRIC DRIVES OF VEHICLES WITH TWO-MODE TRANSMISSIONS - Methods and systems for driving an automobile are provided. The system includes a prime mover power source and a two-mode, compound-split, electromechanical transmission, including first and second motors, coupled to the prime mover power source, a power inverter coupled to the first and second motors, and a processor coupled to the first and second motors and the power inverter. The processor is configured to modify a signal controlling the power inverter utilizing a first voltage distortion compensation method if a modulation index of the signal is less than a first modulation index value and modify the signal utilizing a second voltage distortion compensation method if the modulation index is at least equal to the first modulation index value. | 03-12-2009 |
20090069143 | 8-SPEED AUTOMATIC TRANSMISSION FOR VEHICLE - An eight-speed automatic transmission for a vehicle may include a single pinion planetary gear set, a double pinion planetary gear set, a compound planetary gear set, a first clutch, a second clutch, a third clutch, a fourth clutch, a first brake, a second brake, and a one-way clutch. The first and third clutches are disposed in series or in parallel between the compound planetary gear set and the output shaft. A first clutch piston chamber for operating the first clutch is disposed between the third clutch internal diameter and the input shaft. A third clutch piston chamber for operating the third clutch is disposed between the first clutch piston chamber and the output shaft. The second and fourth clutches are disposed between the compound planetary gear set and the double pinion planetary gear set. Thus, the overall volume of the automatic transmission may be reduced. | 03-12-2009 |
20090082164 | 8-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, two fixed interconnections, 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 |
20090082165 | 8-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, 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. | 03-26-2009 |
20090088289 | MULTIPLE SPEED AUTOMATIC TRANSMISSION - A multiple speed transmission includes an input and output; a first, second, third and fourth planetary gear sets, each gear set including a sun gear, a ring gear, a carrier, and pinions supported on the carrier and meshing with the sun gear and the ring gear; a first epicyclic gearing assembly including the first gear set, the second gear set, a first clutch, a second clutch, a first brake, and first, second, third and fourth rotating members, said first clutch being operable to couple said first rotating member to the input, said second clutch being operable to couple said second rotating member to the input, and said first brake being operable to hold said fourth rotating member against rotation; and a second epicyclic gearing assembly including the third gear set, the fourth gear set, a third clutch, a second brake, a third brake, and fifth, sixth, seventh and eighth rotating members, the third rotating member being secured to the eighth rotating member, said third clutch being operable to couple said seventh rotating member to the input, said second brake being operable to hold said seventh rotating member against rotation, said third brake being operable to hold said fifth rotating member against rotation, and said sixth rotating member being secured for rotation to the output. | 04-02-2009 |
20090118061 | MULTI-SPEED TRANSMISSION WITH EXTERNAL DRIVE GEARSETS - A transmission is provided having an input member, an output member, three planetary gear sets, four 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 members. The torque transmitting devices may include clutches and brakes. | 05-07-2009 |
20090118062 | MULTI-SPEED TRANSMISSION HAVING AT LEAST TEN SPEED RATIOS - 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. 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 between the input member and the output member. | 05-07-2009 |
20090124449 | GEAR TRAIN OF AUTOMATIC TRANSMISSION FOR VEHICLE - A gear train of an automatic transmission for a vehicle according to an exemplary embodiment of the present invention includes a first planetary gear set, a second planetary gear set composed of two simple planetary gear sets, three clutches, and two brakes, and thus the gear train of an automatic transmission may realize six forward speeds and one reverse speed. | 05-14-2009 |
20090143186 | AUTOMATIC 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 first ring gear is constantly locked. A third sun gear is connected with a first sun gear to define a first rotating member, and a second sun gear is connected with a first carrier to define a second rotating member. The input shaft is constantly connected with the first rotating member, and the output shaft is constantly connected with a third carrier. The five friction elements include a first friction element adapted to selectively connect a second ring gear with a third ring gear, a second friction element adapted to stop a rotation of a second carrier, a third friction element adapted to selectively connect the second carrier with the third ring gear, a fourth friction element adapted to selectively connect the second ring gear with the third carrier, and a fifth friction element adapted to selectively connect the first rotating member 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 |
20090156352 | POWER TRAIN OF AN AUTOMATIC TRANSMISSION FOR VEHICLES - An eight-speed power train of a vehicle automatic transmission includes one simple double pinion planetary gear set, one compound planetary gear set, four clutches, and two brakes. The compound planetary gear set includes a simple single pinion planetary gear set, and a double pinion planetary gear set. | 06-18-2009 |
20090192011 | TEN-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 |
20090197733 | 9-SPEED TRANSMISSION - The transmission has a plurality of members that can be utilized in a powertrain to provide nine forward speed ratios and one reverse speed ratio. The transmission includes four planetary gear sets having six torque-transmitting devices and five fixed interconnections. The powertrain includes an engine and torque converter that are 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 six torque-transmitting devices provide interconnections between various gear members, the transmission housing and the input member, and are operated in combinations of two to establish at least nine forward speed ratios and at least one reverse speed ratio. | 08-06-2009 |
20090197734 | 9-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 having six torque-transmitting devices and four 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 six torque-transmitting devices provide interconnections between various gear members, the transmission housing and with the input member, and are operated in combinations to establish at least nine forward speed ratios and at least one reverse speed ratio. | 08-06-2009 |
20090209388 | MULTI-SPEED TRANSAXLE 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 brakes arranged within a transmission housing. | 08-20-2009 |
20090209389 | MULTI-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 |
20090215579 | EFFICIENT EIGHT SPEED AUTOMATIC TRANSMISSION - The present invention provides an eight speed automatic transmission for motor vehicles having three planetary gear sets, four friction clutches, a friction brake, a band brake and an optional overrunning clutch. The eight speed transmission according to the present invention exhibits good gear ratio progression and high efficiency due to its excellent gear mesh efficiency, low spin losses and low pinion speeds. | 08-27-2009 |
20090215580 | TEN-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. | 08-27-2009 |
20090215581 | MULTI-SPEED TRANSAXLE 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 brakes arranged within a transmission housing. | 08-27-2009 |
20090221395 | AUTOMATIC TRANSMISSION - An automatic transmission is provided with three planetary gear units and five friction elements that establish at least six forward speeds and one reverse speed by engaging different combinations of three out of five friction elements simultaneously. In the automatic transmission, an output shaft is always connected to a first ring gear of the first planetary gear unit. A second ring gear of the second planetary gear unit is always fixed. A first carrier of the first planetary gear unit and a third ring gear of the third planetary gear unit are connected together to form a first rotating member. A second sun gear of the second planetary gear unit and a third carrier of the third planetary gear unit are connected together to form a second rotating member. | 09-03-2009 |
20090239699 | Eight speed planetary kinematic arrangement with two rotating clutches - A multiple speed power transmission comprising: four epicyclic gearing assemblies each having first, second, and third rotating elements with specified interconnections, an input shaft connected to one of the rotating elements, an output shaft, two rotating clutches releasably connecting the input shaft to rotating elements, and four brakes selectively holding rotating elements against rotation. Clutches and brakes are applied in combinations of two to produce eight forward ratios and one reverse ratio. | 09-24-2009 |
20090239700 | EIGHT-SPEED TRANSMISSION - An eight speed transmission is provided having three planetary gear sets controlled by seven or optionally eight torque-transmitting mechanisms to provide eight forward speed ratios and a reverse speed ratio. The first planetary gear set is representable by a three-node first lever. The second and third planetary gear sets are interconnected such that they are representable by a four-node second lever. | 09-24-2009 |
20090264247 | MULTI-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 |
20090270219 | Gear Train of Automatic Transmission for Vehicles - A gear train of an automatic transmission for a vehicle includes two simple planetary gear sets and one compound planetary gear set, four clutches, and three brakes and realizes ten forward speeds and one reverse speed so that power delivery performance may be improved and fuel consumption may be reduced. | 10-29-2009 |
20090280947 | GEAR TRAIN OF AUTOMATIC TRANSMISSION FOR VEHICLES - A gear train of an automatic transmission for vehicles has the advantages of improving power delivery performance and reducing fuel consumption as a consequence of realizing more than eight forward speeds by combining four planetary gear sets with three clutches and three brakes. | 11-12-2009 |
20090305838 | POWERTRAIN HAVING A MULTI-SPEED TRANSMISSION - A powertrain is provided having a multi-speed transmission. The 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 brakes arranged within a transmission housing. | 12-10-2009 |
20100069195 | Multiple Speed Transmission - A multiple speed power transmission comprising: an input shaft, an output shaft, a first epicyclic gearing assembly with five rotating members, a second epicyclic gearing assembly with three rotating members, two clutches, and four brakes capable of producing nine forward speed ratios and one reverse speed ratio when clutches and brakes are applied in combinations of two. | 03-18-2010 |
20100179017 | 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. | 07-15-2010 |
20100179018 | 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. | 07-15-2010 |
20100179019 | 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. | 07-15-2010 |
20100179020 | 8-SPEED TRANSMISSIONS - The transmission has a plurality of members that can be utilized in powertrains to provide at least eight forward speed ratios and one reverse speed ratio. The transmission includes three 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 two to establish at least eight forward speed ratios and one reverse speed ratio. | 07-15-2010 |
20100179021 | 7-SPEED TRANSMISSIONS - 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, 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 two to establish at least seven forward speed ratios and one reverse speed ratio. | 07-15-2010 |
20100184555 | 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. | 07-22-2010 |
20100184556 | Gear Train of Automatic Transmission for Vehicle - The present invention provides a gear train of an automatic transmission to realize eight forward speed and two reverse speeds to improve power delivery performance and to reduce fuel consumption, by controlling two simple planetary gear sets and one compound planetary gear set through four clutches and two brakes. | 07-22-2010 |
20100227731 | POWER TRAIN OF AUTOMATIC TRANSMISSION - A power train of an automatic transmission with eight forward speeds and two reverse speeds includes: a speed reduction unit including a first variable input member connected to an input shaft via a first clutch, first and second variably stopped members connected to a transmission case, and a reduced speed output member; an output unit including a reduced speed input member connected to the reduced speed output member, second and third variable input members connected to the input shaft via second and third clutches, respectively, a third variably stopped member connected to the transmission case, and a shifted speed output member connected to an output gear. A first brake variably stops the third variable stopped member; a second brake variably stops the first variable stopped member; and a third brake variably stops the second variable stopped member. | 09-09-2010 |
20100240488 | CLUTCH 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. | 09-23-2010 |
20100240489 | CLUTCH 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 brakes arranged within a transmission housing. Each of the clutches and the brakes are located within specific areas defined by the planetary gear sets and the housing walls. | 09-23-2010 |
20110028263 | AUTOMATIC TRANSMISSION - An automatic transmission includes a first planetary gear set; a second planetary gear set; a third planetary gear set; and at least five friction elements. The at least five friction elements includes a first clutch adapted to selectively connect a first carrier with a second carrier; a first brake adapted to selectively stop a rotation of the second carrier; a second brake adapted to selectively stop a rotation of a rotating member having a first sun gear, a second ring gear, and a third carrier; a third brake adapted to selectively stop a rotation of a third sun gear; and a second clutch adapted to selectively connect the first carrier with a second sun gear. Each of at least seven forward speed-ratios and one reverse speed-ratio is achieved by engaging two friction elements selected from the first and second clutches and the first to third brakes. | 02-03-2011 |
20110028264 | AUTOMATIC TRANSMISSION - An automatic transmission includes a first planetary gear set; a second planetary gear set; a third planetary gear set; and at least five friction elements. The at least five friction elements includes a first clutch adapted to selectively connect a first carrier with a second carrier; a first brake adapted to selectively stop a rotation of the second carrier; a second brake adapted to selectively stop a rotation of a rotating member having a first sun gear, a second ring gear, and a third carrier; a third brake adapted to selectively stop a rotation of a third sun gear; and a second clutch adapted to selectively connect the first carrier with a second sun gear. Each of at least seven forward speed-ratios and one reverse speed-ratio is achieved by engaging two friction elements selected from the first and second clutches and the first to third brakes. | 02-03-2011 |
20110130240 | MULTI-SPEED TRANSMISSION WITH EXTERNAL DRIVE GEARSETS - A transmission is provided having an input member, an output member, three planetary gear sets, four 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 members. The torque transmitting devices may include clutches and brakes. | 06-02-2011 |
20120108382 | AUTOMATIC TRANSMISSION - An automatic transmission includes an input shaft, an output member, a first planetary gear system, a second planetary gear system, a third planetary gear system, a fourth planetary gear system, and an engagement mechanism. The input shaft is configured to be rotated with power of a driving source relative to the transmission case. The output member is to output rotation of the input shaft using multiple gear-shifting. The multiple gear-shifting is provided by setting at least three of first to third clutches and first to third brakes in a connection state. | 05-03-2012 |
20120108383 | AUTOMATIC TRANSMISSION - An automatic transmission includes an input shaft, an output member, a first planetary gear set, a second planetary gear set, a third planetary gear set, a fourth planetary gear set, and an engagement mechanism. Each of a plurality of gear ratios is provided by setting at least three of first to third clutches and first to third brakes in a connection state. | 05-03-2012 |
20120115670 | AUTOMATIC TRANSMISSION - An automatic transmission includes an input shaft, an output member, a first planetary gear set, a second planetary gear set, a third planetary gear set, a fourth planetary gear set, and an engagement mechanism. The engagement mechanism includes first to sixth engagement assemblies. Each of a plurality of gear ratios is provided by setting three of the first to sixth engagement assemblies in a engagement state. | 05-10-2012 |
20120115671 | MULTI-RATIO TRANSMISSION - A multi-stage transmission with nine forward gears and one reverse gear comprising four planetary gear sets, eight rotatable shafts and six shift elements. The sun gear of the first set is connected to fourth shaft which is couplable to a housing by the first brake, the carrier of the first set is connected to the third shaft, which is coupled to the housing by the second brake, which is detachably connectable to the drive shaft, via the first clutch, and via a second clutch is detachably connectable to the seventh shaft. The seventh shaft is connected to the ring gear of the second set and with the sun of the fourth set, and the drive shaft is connected to the sun of the second set and to the carrier of the third set. The sixth shaft is connected to the ring gear of the first set, the carrier of the second set and the sun gear of the third set. The ring gear of the fourth set is connected to the fifth shaft which can be coupled to the housing via the third brake. The output shaft, via a third clutch, is detachably connectable to the eighth shaft, which is connected to the ring gear of the second set and to the carrier of the fourth set. | 05-10-2012 |
20120115672 | MULTI-RATIO TRANSMISSION - A transmission comprising gear sets (P | 05-10-2012 |
20120122626 | MULTI-RATIO TRANSMISSION - A multi speed transmission comprising planetary gearsets (P | 05-17-2012 |
20120122627 | MULTI-RATIO TRANSMISSION - A multi step transmission comprising four planetary gear sets, shafts, and shift elements, the sun gear of gearset (P | 05-17-2012 |
20120135834 | MULTI-RATIO TRANSMISSION - A multi step transmission comprising planetary gearsets (P | 05-31-2012 |
20120135835 | MULTI-RATIO TRANSMISSION - A multi step transmission comprising planetary gearsets (P | 05-31-2012 |
20120142486 | MULTI-RATIO TRANSMISSION - A multi step transmission comprises planetary gearsets (P | 06-07-2012 |
20120149526 | MULTI-RATIO TRANSMISSION - A transmission comprising four planetary gear sets, eight shafts and six shift elements. The sun gear of gear set (P | 06-14-2012 |
20120149527 | MULTI-RATIO TRANSMISSION - The multi-ratio transmission with forward and reverse gears, gearsets (P | 06-14-2012 |
20120172172 | MULTI-RATIO TRANSMISSION - A multi-stage transmission comprising planetary gearsets (P | 07-05-2012 |
20120178582 | NINE SPEED AUTOMATIC TRANSMISSION - A transmission includes an input member, an output member, four planetary gear sets, a plurality of coupling members and a plurality of torque transmitting devices. The transmission input member is connected to a dry launch clutch. Each of the planetary gear sets includes first, second and third members. The torque transmitting devices are for example clutches and brakes. | 07-12-2012 |
20120190496 | MULTI-SPEED TRANSMISSION WITH SELECTABLE ONE-WAY BRAKING CLUTCH - A multi-speed transmission for a vehicle is provided with a selectable one-way braking clutch (SOWBC). The transmission has multiple planetary gear sets. Multiple torque-transmitting mechanisms are engagable in different combinations to establish at least one reverse speed ratio and multiple forward speed ratios between an input member and an output member. A selectable one-way braking clutch is configured to brake in one rotational direction and is selectively reversible to brake in an opposite rotational direction, and freewheels in some speed ratios. | 07-26-2012 |
20120202637 | EIGHT 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. | 08-09-2012 |
20120202638 | MULTI-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 and 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. | 08-09-2012 |
20120202639 | MULTI-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. | 08-09-2012 |
20120214635 | MULTI-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 eight forward speed ratios and at least one reverse speed ratio between the input member and the output member. | 08-23-2012 |
20120214636 | MULTIPLE SPEED TRANSMISSION HAVING A BAND BRAKE - An automatic transmission includes an input shaft or member, an output shaft or member and three simple and one compound planetary gear assemblies each including a sun gear, a planet gear carrier with a plurality of planet gears and a ring gear. The input shaft or member is coupled to the sun gear of the second planetary gear assembly and the output shaft is coupled to the planet gear carrier of the fourth planetary gear assembly. The transmission also includes six torque transmitting devices: one band brake, three friction brakes and two friction clutches. | 08-23-2012 |
20120214637 | CLUTCH AND GEAR ARRANGEMENT FOR A REAR WHEEL DRIVE VEHICLE - A rear 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 brakes arranged within a transmission housing. Each of the clutches and brakes are located within specific areas defined by the planetary gear sets and the housing walls. | 08-23-2012 |
20120214638 | CLUTCH 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 brakes arranged within a transmission housing. Each of the clutches and brakes are located within specific areas defined by the planetary gear sets and the housing walls. | 08-23-2012 |
20120225747 | TRANSMISSION 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. | 09-06-2012 |
20120231917 | MULTI-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. The torque transmitting devices are each selectively engageable in combinations of at least three to establish a plurality of forward speed ratios and at least one reverse speed ratio between the input member and the output member. | 09-13-2012 |
20120231918 | CLUTCH 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. | 09-13-2012 |
20120231919 | CLUTCH 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 brakes arranged within a transmission housing. Each of the clutches and the brakes are located within specific areas defined by the planetary gear sets and the housing walls. | 09-13-2012 |
20120238398 | CLUTCH 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 brakes arranged within a transmission housing. Each of the clutches and the brakes are located within specific areas defined by the planetary gear sets and the housing walls. | 09-20-2012 |
20120238399 | CLUTCH 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 brakes arranged within a transmission housing. Each of the clutches and the brakes are located within specific areas defined by the planetary gear sets and the housing walls. | 09-20-2012 |
20120264560 | TRANSMISSION DEVICE - A transmission device capable of transmitting power applied to an input shaft to an output shaft while changing a speed ratio to a plurality of stages, including a single-pinion type first planetary gear mechanism, a single-pinion type second planetary gear mechanism a third planetary gear mechanism; first clutch and second clutches; and first and second brakes. The first planetary gear mechanism is disposed more toward the input shaft side than the second planetary gear mechanism, and the second planetary gear mechanism is disposed more toward the input shaft side than the third planetary gear mechanism, and the first brake is disposed circumferentially outward of the second planetary gear mechanism so as to at least partially overlap with the second planetary gear mechanism, and the second brake is disposed circumferentially outward of the first planetary gear mechanism so as to at least partially overlap with the first planetary gear mechanism. | 10-18-2012 |
20120264561 | TRANSMISSION DEVICE - A transmission device capable of transmitting power applied to an input shaft to an output shaft while changing a speed ratio to a plurality of stages, including a single-pinion type first planetary gear mechanism; a single-pinion type second planetary gear mechanism; a third planetary gear mechanism; a case that accommodates the first, second, and third planetary gear mechanisms; first and second clutches; and first and second brakes. A first carrier of the first planetary gear mechanism and a second ring gear of the second planetary gear mechanism are coupled together through a coupling member that extends circumferentially inward from the second ring gear, and the second ring gear is coupled to a second brake hub that configures the second brake through the first carrier. | 10-18-2012 |
20120270694 | PLANETARY GEAR TRAIN OF AUTOMATIC TRANSMISSION FOR VEHICLES - A planetary gear train of an automatic transmission may include an input shaft configured to receive an engine torque, an output shaft configured to output a shifted torque, a first compound planetary gear set including first and second simple planetary gear sets having first and second sun gears, first and second planet carriers, and first and second ring gears as rotation elements, a second compound planetary gear set including third and fourth simple planetary gear sets having third and fourth sun gears, third and fourth planet carriers, and third and fourth ring gears as rotation elements, seven rotational shafts connecting to one to more rotation elements, and seven friction members including three clutches interposed between a rotational shaft and the input shaft to control the torque and four brakes selectively connecting a rotational shaft to a transmission housing. | 10-25-2012 |
20120277052 | PLANETARY GEAR TRAIN OF AUTOMATIC TRANSMISSION FOR VEHICLES - A planetary gear train of an automatic transmission for vehicles may include an input shaft adapted to receive torque of an engine, an output gear adapted to output changed torque, a first planetary gear set having a first sun gear, a first planet carrier, and a first ring gear as rotation elements, a second planetary gear set having a second sun gear, a second planet carrier, and a second ring gear as rotation elements, a third planetary gear set having a third sun gear, a third planet carrier, and a third ring gear as rotation elements, seven rotation shafts connected or selectively connected to one or more rotation elements, other rotation shafts, or a transmission housing, and six friction members interposed selectively at connecting portions of the rotation shafts. | 11-01-2012 |
20120277053 | AUTOMATIC 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 first ring gear is constantly locked. A third carrier is connected with a second ring gear to define a rotating member. The input shaft is constantly connected with a second carrier, and the output shaft is constantly connected with the rotating member. The five friction elements are adapted to selectively connect among the carriers, ring gears and sun gears. 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. | 11-01-2012 |
20120295755 | MULTI-SPEED TRANSMISSION - A vehicle multi-speed automatic transmission which comprises an input shaft (AN) and an output shaft (AB); first, second, third and fourth planetary gear sets (RS | 11-22-2012 |
20120302393 | PLANETARY GEAR TRAIN OF AUTOMATIC TRANSMISSION FOR VEHICLES - A planetary gear train of an automatic transmission may include an input shaft; an output gear; a first compound planetary gear set having four rotation elements by combining first and second planetary gear sets; a second compound planetary gear set having four rotation elements by combing third and fourth planetary gear sets; eight rotational members including two rotation elements connected to each other or one rotation element among the rotation elements of the first and second compound planetary gear sets; and seven friction members including three clutches interposed between a selected rotational member among the rotational members and the input shaft and adapted to selectively transmit the torque and four brakes interposed between a rotational member among the rotational members and a transmission housing. | 11-29-2012 |
20120302394 | PLANETARY GEAR TRAIN OF AUTOMATIC TRANSMISSION FOR VEHICLES - A planetary gear train may include an input shaft, an output gear adapted to output a shifted torque, a first compound planetary gear set having four rotation elements by combining first and second planetary gear sets, a second compound planetary gear set having four rotation elements by combining third and fourth planetary gear sets, eight rotation shafts including two rotation elements connected to each other or one rotation element among the rotation elements of the first and second compound planetary gear sets, and six friction members including three clutches interposed between a selected rotational shaft among the rotational shafts and the input shaft and adapted to selectively transmit the torque and three brakes interposed between a selected rotational shaft among the rotational shafts and a transmission housing. | 11-29-2012 |
20120329600 | PLANETARY GEAR TRAIN OF AUTOMATIC TRANSMISSION FOR VEHICLES - A planetary gear train of an automatic may include an input shaft, an output shaft, a first planetary gear set having a first, second and third rotation elements, the first selectively connected to the input shaft, a second planetary gear set having a fourth, fifth and sixth rotation elements, the fourth directly connected to the second rotation element and the fifth directly connected to the input shaft, a compound planetary gear set having seventh, eighth, ninth and tenth rotation elements, the seventh selectively receiving the speed of the input shaft from the fifth, the eighth selectively receiving increased speed from the sixth, the ninth directly connected to the output shaft, and the tenth selectively connected to the input shaft, eight rotation members consisting of at least one of the rotation elements and six friction members. | 12-27-2012 |
20130029799 | PLANETARY GEAR TRAIN OF AUTOMATIC TRANSMISSION FOR VEHICLES - A planetary gear train of an automatic transmission may include an input shaft, an output gear, a first planetary gear set always outputting a negative rotation speed from a rotation speed input from the input shaft, a second planetary gear outputting the negative rotation speed input from the first planetary gear set or converting negative rotation speed into a positive rotation speed and outputting the positive rotation speed, a compound planetary gear set formed by third and fourth planetary gear sets and changing the rotation speed selectively through two paths and into nine forward speeds and one reverse speed, eight rotational members including two rotation elements connected to each other or one rotation element among the rotation elements of the first and second planetary gear sets and the compound planetary gear set, and a six friction members, and a transmission housing. | 01-31-2013 |
20130072342 | TRANSMISSION FOR VEHICLE - A transmission for a vehicle employs four planetary gear trains to realizing at least forward 10-speed and reverse 3-speed gear ratios, thereby reducing the number of rotations of a second sun gear of a second planetary gear train so as to increase the efficiency of power transmission and to improve the longevity of related components of the second planetary gear train, such as a pinion gear, a pinion shaft, and a needle roller bearing. | 03-21-2013 |
20130072343 | TRANSMISSION FOR VEHICLE - A transmission for a vehicle employs parts as few as possible to provide forward 11-speed and reverse 3-speed gear ratios along with relatively simple configuration, thereby allowing the operational state of an engine connected thereto to achieve an optimal state. Thus, the transmission makes it possible to improve fuel efficiency and to secure smooth driving performance of the vehicle. | 03-21-2013 |
20130137544 | MULTI-SPEED TRANSMISSION HAVING A STACKED PLANETARY GEAR SET - 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 is a stacked planetary gear set that includes a first, second, third and fourth member. 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 eleven forward speed ratios and at least one reverse speed ratio. | 05-30-2013 |
20130150201 | MULTI-SPEED TRANSMISSION - A multi-speed transmission may include an input member and an output member disposed in a housing. A first planetary gear set, a second planetary gear set, a third planetary gear set, and a fourth planetary gear set may be disposed within the housing, each planetary gear set including a sun gear, a planet carrier, and a ring gear. Six control elements may be operably coupled to each of the planetary gear sets and selectively engagable to create a set of different gear ratios between the input member and the output member. The set of different gear ratios may include at least ten forward gear ratios and at least one reverse gear ratio. | 06-13-2013 |
20130150202 | Planetary Gear Train of Automatic Transmission for Vehicles - A planetary gear train may include an input shaft, an output gear, a compound planetary gear set including a first and second sun gears, a common planet carrier, and a common ring gear, a third planetary gear set including a third sun gear, a third planet carrier, and a third ring gear, a first rotational member consisting of the second sun gear, a second rotational member consisting of the common planet carrier selectively connected to the input shaft, a third rotational member consisting of the common ring gear connected to the output gear, a fourth rotational member consisting of the first sun gear, a fifth rotational member consisting of the third ring gear connected to the input shaft, a sixth rotational member consisting of the third planet carrier, a seventh rotational member consisting of the third sun gear operated as a selective fixed element, and friction members. | 06-13-2013 |
20130150203 | PLANETARY GEAR TRAIN OF AUTOMATIC TRANSMISSION FOR VEHICLES - A planetary gear train of an automatic transmission may include a first planetary gear set outputting a negative rotation speed by using a rotation speed selectively input from the input shaft, a second planetary gear set outputting a reduced rotation speed by using the rotation speed selectively input from the input shaft or to selectively become a direct-coupling state together with the first planetary gear set, a compound planetary gear set having four rotation elements by combining third and fourth planetary gear sets, seven rotational members including two rotation elements connected to each other or one rotation element among the rotation elements of the first and second planetary gear sets and the compound planetary gear set, and six friction members including clutches, and brakes. | 06-13-2013 |
20130150204 | PLANETARY GEAR TRAIN OF AUTOMATIC TRANSMISSION FOR VEHICLES - A planetary gear train of an automatic transmission includes an input shaft, an output shaft, a first planetary gear set outputting a negative rotation speed by using a rotation speed input from the input shaft, a second planetary gear set converting the negative rotation speed into a positive rotation speed, a compound planetary gear set changing the rotation speed selectively input from the input shaft, the negative rotation speed and the positive rotation speed into nine forward speeds and one reverse speed, eight rotational members, and six friction members, and brakes interposed between a selected rotational member among the rotational members and a transmission housing. | 06-13-2013 |
20130157797 | AUTOMATIC TRANSMISSION GEAR AND CLUTCH ARRANGEMENT - 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. 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 a hydraulic fluid pump and has a plurality of fluid passages disposed in the transmission housing, input member and other coupling members. | 06-20-2013 |
20130157798 | MULTI-SPEED TRANSMISSION HAVING THREE PLANETARY GEAR SETS - A transmission includes 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. | 06-20-2013 |
20130157799 | MULTI-SPEED TRANSMISSION HAVING THREE PLANETARY GEAR SETS - A transmission includes 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. | 06-20-2013 |
20130190127 | MULTI-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. | 07-25-2013 |
20130203546 | MULTI-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 at least nine forward gear ratios and one reverse gear ratio. | 08-08-2013 |
20130203547 | MULTI-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. | 08-08-2013 |
20130203548 | MULTI-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 four clutches and three brakes actuatable in combinations of two to establish a plurality of forward gear ratios and one reverse gear ratio. | 08-08-2013 |
20130203549 | MULTI-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 three to establish a plurality of forward gear ratios and one reverse gear ratio. | 08-08-2013 |
20130203550 | MULTI-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 three clutches and four brakes actuatable in combinations of three to establish a plurality of forward gear ratios and one reverse gear ratio. | 08-08-2013 |
20130217534 | MULTISPEED TRANSMISSION - The present invention relates to a multispeed transmission, having an input element ( | 08-22-2013 |
20130225358 | MULTI-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. | 08-29-2013 |
20130231215 | MULTI-SPEED PLANETARY GEAR SET 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 two to establish a plurality of forward gear ratios and one reverse gear ratio. | 09-05-2013 |
20130237365 | MULTI-SPEED PLANETARY GEAR SET 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 two to establish a plurality of forward gear ratios and one reverse gear ratio. | 09-12-2013 |
20130244826 | AUTOMATIC TRANSMISSION - An automatic transmission includes an input shaft, a first planetary gear set, a second planetary gear set, a third planetary gear set, a fourth planetary gear set, and an engagement mechanism. The engagement mechanism includes first to seventh engagement devices. Nine or more forward transmission gear ratios are established by setting each of at least three engagement devices among the first to seventh engagement devices in an engagement mode. | 09-19-2013 |
20130252779 | MULTI-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 of forward speed ratios and at least one reverse speed ratio. | 09-26-2013 |
20130260946 | MULTIPLE SPEED TRANSMISSION - Four planetary gear sets, three rotating clutches, and two brakes can be arranged to produce eight forward speed ratios and a reverse speed ratio. The first and fourth gear sets can be substantially coplanar with each other, and the second and third gear sets can be substantially coplanar with each other. The lowest forward speed ratio could be suitable for use as a special purpose low range ratio, while the remaining seven forward ratios can provide adequate span for normal driving. | 10-03-2013 |
20130260947 | MULTI-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 one reverse gear ratio. | 10-03-2013 |
20130260948 | AUTOMATIC TRANSMISSION - An automatic transmission is configured to achieve at least ten forward speeds and one reverse speeds. This is achieved through the use of two planetary gear sets with a plurality of clutches and brakes configured to operably couple different components of the two planetary gears to achieve different speeds. For example, operation of a first clutch inputs decelerated rotation of a reduction planetary gear to a third sun gear. Operation of a second clutch transmits from an input shaft to a third ring gear, a third clutch inputs decelerated rotation of the reduction planetary gear to the second sun gear, a fourth clutch transmits from the input shaft to the second carrier, a first brake prevents a second sun gear from rotating, a second brake prevents a carrier from rotating, a third brake capable prevents a third ring gear from rotating. | 10-03-2013 |
20130267370 | MULTI-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 three to establish a plurality of forward gear ratios and at least one reverse gear ratio. | 10-10-2013 |
20130267371 | MULTI-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. | 10-10-2013 |
20130267372 | BINARY AND FRICTION CLUTCH ASSEMBLY - 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. One of the torque transmitting devices includes a friction clutch and a binary clutch which have a spring-ball structure disposed therebetween. | 10-10-2013 |
20130274059 | MULTISTEP GEAR MECHANISM OF PLANETARY DESIGN - A multi-step transmission having a housing which accommodates eight shafts and four planetary gear sets, and at least six shift elements including brakes and clutches which are engaged to implement different ratios between a drive shaft and output shaft. The carrier of gearset ( | 10-17-2013 |
20130274060 | MULTISTEP GEAR MECHANISM OF PLANETARY DESIGN - A multi-step transmission having a housing accommodating eight shafts and four planetary gearsets ( | 10-17-2013 |
20130296097 | RANGE TRANSMISSION OF A MOTOR VEHICLE - A range-change transmission having a main transmission, an upstream splitter group and a downstream range group. The main transmission comprises planetary gearsets (PS | 11-07-2013 |
20130310211 | MULTI-SPEED TRANSMISSION AND BACKING PLATE - 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. At least one of the torque transmitting mechanisms includes a backing plate having an annular outlet for distributing cooling fluid. | 11-21-2013 |
20130310212 | ELECTROMECHANICAL CLUTCH AND 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 mechanisms. Each of the planetary gear sets includes first, second and third members. The torque transmitting mechanisms include clutches and brakes actuatable in combinations of two to establish a plurality of forward gear ratios and one reverse gear ratio. An electromechanical rotating clutch assembly is provided that includes a rotor, an armature, and an electromagnetic coil. The electromagnetic coil is operable to selectively engage the rotor with the armature. | 11-21-2013 |
20130324349 | MULTI-SPEED AUTOMATIC TRANSMISSION - A power transmission includes an input; an output; a first gearset including an output having a lower speed than a speed of the input; a second gearset having first, second, and third rotating elements; a second gearset having fourth, fifth, sixth, and seventh rotating elements; four clutches; and two brakes. The brakes and clutches are engaged in combinations of three to produce up to eleven forward speed ratios and two reverse speed ratios. | 12-05-2013 |
20130345014 | MULTI-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 three to establish a plurality of forward gear ratios and at least one reverse gear ratio. | 12-26-2013 |
20140004991 | Configuration for Compact Five Speed Planetary Transmission | 01-02-2014 |
20140011626 | MULTI-SPEED TRANSMISSION WITH AN ENGINE START/STOP ENABLER - A transmission includes an input member, an output member, a plurality of torque-transmitting mechanisms that are selectively engageable to establish at least eight forward speed ratios and at least one reverse speed ratio between the input member and the output member, and one or more latches associated with one or more of the torque-transmitting mechanisms. The one or more latches engages the respective torque-transmitting mechanisms during or prior to a start event. | 01-09-2014 |
20140038765 | Configuration for Compact Five Speed Planetary Transmission - A compact five-speed transmission planetary gear train includes a first, second, third, fourth and fifth planetary gear sets between an input and an output as well as first, second, third and fourth brakes and first and second clutches. The first, second, third and fourth brakes and first and second clutches are selectively actuatable to provide five different forward speeds and a plurality of different reverse speeds between the input and the output. | 02-06-2014 |
20140038766 | Configuration for Compact Five Speed Planetary Transmission - A compact five-speed transmission planetary gear train includes a first, second, third, fourth and fifth planetary gear sets between an input and an output as well as first, second, third and fourth brakes and first and second clutches. The first, second, third and fourth brakes and first and second clutches are selectively actuatable to provide five different forward speeds and a plurality of different reverse speeds between the input and the output. | 02-06-2014 |
20140038767 | Configuration for Compact Planetary Transmission - A compact five-speed transmission planetary gear train includes a first, second, third, and fourth planetary gear sets between an input and an output as well as first, second, and third brakes and first, second and third clutches. The first, second, third and fourth brakes and first and second clutches are selectively actuatable to provide five different forward speeds and a four different reverse speeds between the input and the output. The compact transmission also includes a first brake, second brake, third brake, fourth brake, first clutch, and second clutch associated with the planetary gear train, the first brake, second brake, third brake, fourth brake, first clutch, and second clutch being configured such that setting each forward and reverse speed of the compact transmission is accomplished via actuation of two of the first brake, second brake, third brake, fourth brake, first clutch, and second clutch. | 02-06-2014 |
20140038768 | Configuration for Compact Planetary Transmission - A compact five-speed transmission planetary gear train includes a first, second, third, and fourth planetary gear sets between an input and an output as well as first, second, and third brakes and first, second and third clutches. The first, second and third brakes and first, second and third clutches are selectively actuatable to provide five different forward speeds and a four different reverse speeds between the input and the output. | 02-06-2014 |
20140106924 | MULTI-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. 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. | 04-17-2014 |
20140128198 | MULTI-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 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. | 05-08-2014 |
20140128199 | MULTI-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 include clutches and brakes. The torque transmitting devices are each selectively engageable in combinations of at least two to establish a plurality forward speed ratios and at least one reverse speed ratio. | 05-08-2014 |
20140128200 | MULTI-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 one reverse gear ratio. | 05-08-2014 |
20140128201 | MULTI-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 three to establish a plurality of forward gear ratios and at least one reverse gear ratio. | 05-08-2014 |
20140141925 | SYNCHRONIZING DISCONNECT DEVICE - A transmission includes an input member, an output member, a set of four planetary gear sets each having first, second, and third members, a plurality of torque transmitting mechanisms each selectively engageable to interconnect at least one of the first, second, and third members with at least one other of the first, second, third members and a stationary member, and a synchronizer assembly that selectively connects and disconnects one member of one of the planetary gear sets. | 05-22-2014 |
20140141926 | TRANSMISSION WITH BAND CLUTCH - A transmission is provided having a housing, a plurality of planetary gear sets, a structural member, a sprocket member, an annular drum, a band, and an actuator. The sprocket member is rotationally supported by the structural member. The annular drum is adjacent the structural member and is continuously rotationally coupled with a member of the one of the plurality of planetary gear sets. The band circumscribes the annular drum and includes at least a first position and a second position. In the first position the band is substantially separated from the drum and in the second position the band contacts the drum. The actuator selectively positions the band between at least the first position and the second position to transfer torque between the structural member and the annular drum. | 05-22-2014 |
20140221149 | TRANSMISSION WITH DOG CLUTCH BRAKE - A transmission is provided having a housing, a plurality of planetary gear sets, a structural member, a sprocket member, a first dog clutch member, a second dog clutch member, and a biasing member. The structural member is secured to the housing and includes a plurality of splines and defines a cavity. The sprocket member is rotationally supported by the structural member. The first dog clutch member is disposed in the cavity of the structural member and includes splines and dogteeth. The splines are engaged with the splines of the structural member. The second dog clutch member includes dogteeth that are aligned with the dogteeth of the first dog clutch member. The biasing member is disposed between the structural member and the first dog clutch member. | 08-07-2014 |
20140248989 | MULTI-SPEED TRANSMISSION WITH A SERIES DISCONNECT CLUTCH - A transmission is provided having an input member, an output member, a plurality of planetary gear sets, a plurality of coupling members and a plurality of torque transmitting devices. One of the plurality of torque transmitting devices is an integrated friction launch clutch. A disconnect clutch is in series relationship with the launch clutch and is configured to disconnect the launch clutch from at least one of the plurality of planetary gear sets. 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. | 09-04-2014 |
20140256500 | MULTI-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. | 09-11-2014 |
20140378269 | TEN-SPEED TRANSMISSION WITH START AND STOP ENABLER - 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. An transmission auto start/stop enabler includes one or multiple latches. The latches engage one or more 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 |
20150018161 | MULTI-RATIO TRANSMISSION - A multi-stage transmission with nine forward and one reverse gear includes four planetary gearsets, shafts and shifting elements. The sun gear of gearset (P | 01-15-2015 |
20150038281 | AUTOMATIC TRANSMISSION DEVICE - An automatic transmission configured with four planetary gear mechanisms, three clutches, and three brakes, which are configured to provide nine forward speeds and a reverse speed. The combination of elements results in, amongst other benefits, improved torque transfer efficiency. A first planetary gear mechanism including first to third rotary elements that form a sequence of the first rotary element, the second rotary element, and the third rotary element when arranged in an order at intervals corresponding to gear ratios in a velocity diagram. 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. | 02-05-2015 |
20150038282 | AUTOMATIC TRANSMISSION DEVICE - An automatic transmission device that changes a relative speed between an input and output member. The transmission is configured with four planetary gear mechanisms, the first including first to third rotary elements, the second including fourth to sixth rotary elements, the third including seventh to ninth rotary elements, the fourth including tenth to twelfth rotary elements. Four coupling elements are provided, the first that couples the first, fifth and eighth rotary element to each other. The second couples the second and twelfth rotary elements. The third couples third and eleventh rotary elements. Fourth couples fourth and ninth rotary elements. Three clutches, are provided between (i) second coupling element and the input member, (ii) sixth rotary element and the input member, and (iii) seventh rotary element and the input member. Three brakes are provided on the (i) sixth rotary element, (ii) fourth coupling element, and (iii) tenth rotary element. | 02-05-2015 |
20150111687 | MULTI-SPEED GEARBOX - Multi-stage transmission comprising four gear sets, eight rotatable shafts and six shift elements. Eighth shaft is connected to suns of first and second sets and is connectable, via third clutch, to drive shaft. Drive shaft is connectable, via first clutch, to fourth shaft connected to ring gear of first set and couplable, via second brake, to housing. Drive shaft is connectable, via second clutch, to seventh shaft connected to carrier of second set and ring gear of third set. Sixth shaft is connected to ring gear of second set and carrier of fourth set and third shaft is connected to sun of third set and is couplable, via first brake, to housing. Fifth shaft is connected to carrier of first set and sun of fourth set and is couplable, via third brake, to housing. Output shaft is connected to carrier of third set and ring gear of fourth set. | 04-23-2015 |
20150119187 | MULTI-SPEED GEARBOX - Multi-stage transmission comprising four planetary gear sets, eight rotatable shafts and six 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 carrier of first set and is couplable, via second brake, to housing. Drive shaft is connectable, via second clutch, to seventh shaft connected to carrier of fourth set and ring of third set, Sixth shaft is connected to ring of first set, carrier of second set and ring of fourth planetary gear set. Third shaft is connected to sun of third set and sun of fourth set and is couplable, via first brake, to housing. Fifth shaft is connected to ring of second set and is couplable, via third brake, to housing. Output shaft is connected to carrier of third set. | 04-30-2015 |
20150119188 | MULTI-SPEED GEARBOX - A four-stage multi-stage transmission in which the carrier ( | 04-30-2015 |
20150148180 | AUTOMATIC TRANSMISSION DEVICE - An automatic transmission device configured to change the relative speeds between an input and output member. The automatic transmission is configured with four planetary gear mechanisms and a plurality of clutches and brakes, the arrangement being configured so as to reduce a loss due to the meshing between gears. The automatic transmission is 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 element that couples the first, fifth and ninth rotary elements, a second coupling element that couples the second and twelfth, rotary elements, a third coupling element that couples the third and eleventh, and a fourth coupling element that couples the sixth and eighth elements to each other. | 05-28-2015 |
20160010728 | TRANSMISSION ASSEMBLY FOR A MOTOR VEHICLE AND MOTOR VEHICLE | 01-14-2016 |
20160108995 | MULTI-STAGES AUTOMATIC TRANSMISSION FOR VEHICLE - A multi-stages automatic transmission for a vehicle includes a first, second, third and fourth planetary gear sets, each including a 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 |
20160146303 | MULTI-STAGE TRANSMISSION FOR VEHICLE - A multi-stage transmission for a vehicle, 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 device including three rotating elements, and at least six shifting elements connected to the three rotating elements of the first, second, third and fourth planetary gear devices, | 05-26-2016 |