Patent application number | Description | Published |
20080207380 | Wide ratio transmissions with multliple gear ratios - The transmission has a plurality of members that can be utilized in powertrains to provide at least seven forward speed ratios and one reverse speed ratio. The transmission includes three planetary gear sets having seven torque-transmitting mechanisms and two fixed interconnections. The powertrain includes an engine and torque converter that is continuously connected to at least one of the planetary gear members and an output member that is continuously connected with another one of the planetary gear members. The seven torque-transmitting mechanisms provide interconnections between various gear members and with the transmission housing, and are operated in combinations of three to establish at least seven forward speed ratios and at least one reverse speed ratio. | 08-28-2008 |
20080227586 | Wide ratio transmissions with four planetary gear sets and three fixed interconnections - 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 four planetary gear sets having seven torque-transmitting mechanisms and tree fixed interconnections. The powertrain includes an engine and torque converter that is continuously connected to at least one of the planetary gear members and an output member that is continuously connected with another one of the planetary gear members. The seven torque-transmitting mechanisms provide interconnections between various gear members and with the transmission housing, and are operated in combinations of two to establish at least eight forward speed ratios and one reverse speed ratio. | 09-18-2008 |
20080242472 | 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, two fixed interconnections and two grounded members. The powertrain includes an engine and torque converter that is continuously connected to at least one of the planetary gear members and an output member that is continuously connected with another one of the planetary gear members. The five torque-transmitting devices provide interconnections between various gear members, and are operated in combinations of three to establish at least eight forward speed ratios and at least one reverse speed ratio. | 10-02-2008 |
20080242473 | 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, a fixed interconnection and a grounded member. The powertrain includes an engine and torque converter that is selectively connected to at least one of the planetary gear members and an output member that is continuously connected with another one of the planetary gear members. The six torque-transmitting devices provide interconnections between various gear members, the transmission housing and with the input member, and are operated in combinations of three to establish at least eight forward speed ratios and at least one reverse speed ratio. | 10-02-2008 |
20080242474 | 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 |
20080242475 | 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 |
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 |
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 |
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 |
20080242495 | 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 five torque-transmitting mechanisms provide interconnections between various gear members, and 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 |
20080242496 | 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 five torque-transmitting mechanisms provide interconnections between various gear members, and 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 |
20080248909 | ELECTRICALLY VARIABLE TRANSMISSIONS HAVING TWO PLANETARY GEAR SETS AND CLUTCHED INPUT - The electrically variable transmission family of the present invention provides low-content, low-cost electrically variable transmission mechanisms including first and second differential gear sets, a battery, two electric machines serving interchangeably as motors or generators, four or five selectable torque transmitting devices, and possibly a dog clutch. The selectable torque transmitting devices are engaged to yield an EVT with a continuously variable range of speeds (including reverse) and at least one mechanically fixed forward speed ratio. The torque transmitting devices and the first and second motor/generators are operable to provide five operating modes in the electrically variable transmission, including battery reverse mode, EVT reverse mode, reverse and forward launch modes, continuously variable transmission range mode, and fixed ratio mode. | 10-09-2008 |
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 |
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 |
20080248916 | 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 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 to establish at least eight forward speed ratios and at least one reverse speed ratio. | 10-09-2008 |
20080257310 | HYBRID POWERTRAIN WITH REVERSING ENGINE AND METHOD OF CONTROL - A powertrain is provided having an engine operable in a reverse direction so that a reverse mode is provided through an electrically variable transmission without relying on pure electric or series electric operation, and without the addition of a dedicated reverse gear. A method of controlling such a powertrain is also provided. | 10-23-2008 |
20080274851 | 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 mechanisms, two fixed interconnections and a grounded member. The powertrain includes an engine and torque converter that is selectively connected to at least one of the planetary gear members and an output member that is continuously connected with another one of the planetary gear members. The six torque-transmitting mechanisms provide interconnections between various gear members, the transmission housing and with the input member, and are operated in combinations of three to establish eight forward speed ratios and one reverse speed ratio. | 11-06-2008 |
20080274852 | Wide ratio transmissions having multiple gear ratios - The transmission has a plurality of members that can be utilized in powertrains to provide at least seven forward speed ratios and one reverse speed ratio. The transmission includes three planetary gear sets having six or seven torque-transmitting mechanisms and three 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 or seven torque-transmitting mechanisms provide interconnections between various gear members and with the transmission housing, and are operated in combinations of two to establish at least seven forward speed ratios and at least one reverse speed ratio. | 11-06-2008 |
20080274853 | Wide ratio transmission with four planetary gear sets and four brakes - 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 four planetary gear sets having seven torque-transmitting mechanisms and three fixed interconnections. The powertrain includes an engine and torque converter that is continuously connected to at least one of the planetary gear members and an output member that is continuously connected with another one of the planetary gear members. The seven torque-transmitting mechanisms provide interconnections between various gear members and with the transmission housing, and are operated in combinations of two to establish at least eight forward speed ratios and at least one reverse speed ratio. | 11-06-2008 |
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 |
20080293535 | 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 mechanisms and two fixed interconnections. The powertrain includes an engine and torque converter that is continuously connected to one of the planetary gear members and an output member that is continuously connected with another one of the planetary gear members. The six torque-transmitting mechanisms provide interconnections between various gear members, the transmission housing and with the input member, and are operated in combinations of three to establish eight forward speed ratios and one reverse speed ratio. | 11-27-2008 |
20080300088 | 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 mechanisms and two fixed interconnections. The powertrain includes an engine and torque converter that is continuously connected to one of the planetary gear members and an output member that is continuously connected with another one of the planetary gear members. The six torque-transmitting mechanisms provide interconnections between various gear members, the transmission housing and with the input member, and are operated in combinations of three to establish eight forward speed ratios and one reverse speed ratio. | 12-04-2008 |
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 |
20090023533 | 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, six torque-transmitting devices, one fixed interconnection and a grounded member. The powertrain includes an engine and torque converter that is continuously connected to one of the planetary gear members and an output member that is continuously connected with another one of the planetary gear members. The six torque-transmitting devices provide interconnections between various gear members, and the transmission housing, and are operated in combinations of three to establish eight forward speed ratios and one reverse speed ratio. | 01-22-2009 |
20090023534 | 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, six torque-transmitting devices, two fixed interconnections and a grounded member. The powertrain includes an engine and torque converter that is selectively connected to one of the planetary gear members and an output member that is continuously connected with another one of the planetary gear members. The six torque-transmitting devices provide interconnections between various gear members, the input member and the transmission housing, and are operated in combinations of three to establish eight forward speed ratios and one reverse speed ratio. | 01-22-2009 |
20090023535 | 8-Speed Transmissions - The transmission has a plurality of members that can be utilized in powertrains to provide eight forward speed ratios and one reverse speed ratio. The transmission includes three planetary gear sets, six torque-transmitting devices, one fixed interconnection and a grounded member. The powertrain includes an engine and torque converter that is continuously connected to one of the planetary gear members and an output member that is continuously connected with another one of the planetary gear members. The six torque-transmitting devices provide interconnections between various gear members, and the transmission housing, and are operated in combinations of three to establish eight forward speed ratios and one reverse speed ratio. | 01-22-2009 |
20090023536 | 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, six torque-transmitting devices, and two fixed interconnections. The powertrain includes an engine and torque converter that is continuously connected to one of the planetary gear members and an output member that is continuously connected with another one of the planetary gear members. The six torque-transmitting devices provide interconnections between various gear members, and the transmission housing, and are operated in combinations of three to establish eight forward speed ratios and one reverse speed ratio. | 01-22-2009 |
20090023537 | 8-Speed Transmissions - The transmission has a plurality of members that can be utilized in powertrains to provide eight forward speed ratios and one reverse speed ratio. The transmission includes three planetary gear sets, six torque-transmitting devices, one fixed interconnection and a grounded member. The powertrain includes an engine and torque converter that is continuously connected to one of the planetary gear members and an output member that is continuously connected with another one of the planetary gear members. The six torque-transmitting devices provide interconnections between various gear members, and the transmission housing, and are operated in combinations of three to establish eight forward speed ratios and one reverse speed ratio. | 01-22-2009 |
20090023538 | 8-Speed Transmissions - The transmission has a plurality of members that can be utilized in powertrains to provide eight forward speed ratios and one reverse speed ratio. The transmission includes three planetary gear sets having six torque-transmitting mechanisms, one fixed interconnection and a grounded member. The powertrain includes an engine and torque converter that is continuously connected to one of the planetary gear members and an output member that is continuously connected with another one of the planetary gear members. The six torque-transmitting mechanisms provide interconnections between various gear members, and the transmission housing, and are operated in combinations of three to establish eight forward speed ratios and one reverse speed ratio. | 01-22-2009 |
20090023539 | 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, six torque-transmitting devices, two fixed interconnections and a grounded member. The powertrain includes an engine and torque converter that is continuously connected to one of the planetary gear members and an output member that is continuously connected with another one of the planetary gear members. The six torque-transmitting devices provide interconnections between various gear members, and the transmission housing, and are operated in combinations of two to establish eight forward speed ratios and one reverse speed ratio. | 01-22-2009 |
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 |
20090036254 | 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, six torque-transmitting devices, one fixed interconnection and a grounded member. The powertrain includes an engine and torque converter that is continuously connected to one of the planetary gear members and an output member that is continuously connected with another one of the planetary gear members. The six torque-transmitting devices provide interconnections between various gear members, and the transmission housing, and are operated in combinations of three to establish eight forward speed ratios and one reverse speed ratio. | 02-05-2009 |
20090036255 | 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. | 02-05-2009 |
20090036259 | 8-Speed Transmissions - The transmission has a plurality of members that can be utilized in powertrains to provide eight forward speed ratios and one reverse speed ratio. The transmission includes three planetary gear sets, six torque-transmitting devices, two fixed interconnections and a grounded member. The powertrain includes an engine and torque converter that is continuously connected to one of the planetary gear members and an output member that is continuously connected with another one of the planetary gear members. The six torque-transmitting devices provide interconnections between various gear members, and the transmission housing, and are operated in combinations of two to establish eight forward speed ratios and one reverse speed ratio. | 02-05-2009 |
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 |
20090048060 | 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, six torque-transmitting devices, two fixed interconnections and a grounded member. The powertrain includes an engine and torque converter that is continuously connected to one of the planetary gear members and an output member that is continuously connected with another one of the planetary gear members. The six torque-transmitting devices provide interconnections between various gear members, and the transmission housing, and are operated in combinations of two to establish eight forward speed ratios and one reverse speed ratio. | 02-19-2009 |
20090054198 | 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, six torque-transmitting devices, a split sun gear, two fixed interconnections and a grounded member. The powertrain includes an engine and torque converter that is continuously connected to one of the planetary gear members and an output member that is continuously connected with another one of the planetary gear members. The six torque-transmitting devices provide interconnections between various gear members, and the transmission housing, and are operated in combinations of two to establish eight forward speed ratios and one reverse speed ratio. | 02-26-2009 |
20090093332 | ELECTRICALLY VARIABLE TRANSMISSION HAVING THREE PLANETARY GEAR SETS WITH TWO FIXED INTERCONNECTIONS - The electrically variable transmission family of the present invention provides low-content, low-cost electrically variable transmission mechanisms including first, second and third differential gear sets, a battery, two electric machines serving interchangeably as motors or generators, and five selectable torque-transfer devices. The selectable torque transfer devices are engaged in combinations of two or three to yield an EVT with a continuously variable range of speeds (including reverse) and four or five mechanically fixed forward speed ratios. The torque transfer devices and the first and second motor/generators are operable to provide five operating modes in the electrically variable transmission, including battery reverse mode, EVT reverse mode, reverse and forward launch modes, continuously variable transmission range mode, and fixed ratio mode. | 04-09-2009 |
20090182463 | HYBRID VEHICLE POWERTRAIN CONTROL METHOD - A method for controlling a powertrain of a hybrid vehicle having an engine, a motor/generator, a battery that is rechargeable using at least one of the engine and the motor/generator, and a powertrain control module (PCM) includes determining a current location of the vehicle as a starting point of a preferred route, recording a user-selected ending point of the preferred route, and processing route information using the PCM to thereby determine an optimally fuel efficient route for reaching the ending point. The method includes automatically executing the powertrain control strategy over the optimally fuel efficient route by substantially depleting a charge level of the battery as the vehicle travels over the optimally fuel efficient route such that the charge level of the battery is depleted when the vehicle reaches the ending point. When the ending point is not recorded, the PCM can default to a charge-sustaining mode. | 07-16-2009 |
20090215578 | 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. | 08-27-2009 |
20090264244 | EIGHT SPEED AUTOMATIC TRANSMISSION - A transmission is disclosed having an input member, an output member, four planetary gear sets, a plurality of coupling members and a plurality of torque transmitting devices. Each of the planetary gear sets includes first, second and third members. The torque transmitting devices may include clutches and brakes. | 10-22-2009 |
20100197442 | MULTI-SPEED TRANSMISSION - A transmission is disclosed having an input member, an output member, a plurality of planetary gear sets, a plurality of interconnecting members and a plurality of torque-transmitting mechanisms. The plurality of planetary gear sets has first, second and third members. The input member is continuously interconnected with a member of the planetary gear sets. The output member is continuously interconnected with another member of the planetary gear sets. At least eight forward speeds and one reverse speed are produced by the selective engagement of the five torque-transmitting mechanisms. | 08-05-2010 |
20100197443 | MULTI-SPEED TRANSMISSION - A transmission is disclosed having an input member, an output member, a plurality of planetary gear sets, a plurality of interconnecting members and a plurality of torque-transmitting mechanisms. The plurality of planetary gear sets has first, second and third members. The input member is continuously interconnected with a member of the planetary gear sets. The output member is continuously interconnected with another member of the planetary gear sets. At least eight forward speeds and one reverse speed are produced by the selective engagement of the five torque-transmitting mechanisms. | 08-05-2010 |
20100280687 | METHOD OF CONTROLLING VEHICLE POWERTRAIN AND VEHICLE CONTROL SYSTEM - A method of controlling a vehicle powertrain and a corresponding vehicle control system are provided that enable operation in an electric-only operating mode for an extended range by adjusting the threshold minimum state of charge of the battery, i.e., the state of charge of the battery at which the engine will be started to allow the battery charge to be replenished, in accordance with vehicle location. The engine will also be started when the vehicle is within a predetermined distance of a long-term parking location. | 11-04-2010 |
20110045931 | HYBRID TRANSMISSION - A hybrid transmission is configured to transfer mechanical power to an output member and includes an input member, an output member, and a transmission case circumscribing first and second differential gear sets, each differential gear set including a plurality of meshingly engaged rotatable elements. The first differential gear set is configured with four nodes for transferring mechanical power, and the second differential gear set is configured with three nodes for transferring mechanical power. Two of the four nodes of the first differential gear set are continuously interconnected to two of the three nodes of the second differential gear set. A first torque transfer clutch is configured to selectively connect the input member to an internal combustion engine. First and second brake devices are configured to selectively interconnect elements of the first and second differential gear sets, the transmission case, the input member, and the output member. | 02-24-2011 |
20110105268 | 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. | 05-05-2011 |
20110160018 | 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. | 06-30-2011 |
20110183808 | MULTI-SPEED TRANSMISSION - A transmission is disclosed having an input member, an output member, a plurality of planetary gear sets, a plurality of interconnecting members and a plurality of torque-transmitting mechanisms. The plurality of planetary gear sets has first, second and third members. The input member is continuously interconnected with a member of the planetary gear sets. The output member is continuously interconnected with another member of the planetary gear sets. At least eight forward speeds and one reverse speed are produced by the selective engagement of the five torque-transmitting mechanisms. | 07-28-2011 |
20110195814 | 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. | 08-11-2011 |
20110207573 | MULTI-SPEED PLANETARY TRANSMISSION WITH UP TO TEN FORWARD SPEED RATIOS - A multi-speed transmission is provided that includes an input member, an output member, a stationary member, a first and a second compound planetary gear set. The first compound planetary gear set has a first, second, third, fourth, and fifth member. The second compound planetary gear set has a first, second, third, and fourth member. The first member of the second compound planetary gear set is continuously connected for common rotation with the output member. The second member of the second compound planetary gear set is continuously grounded to the stationary member. None of the members of the first compound planetary gear set are continuously connected for common rotation with any of the members of the second compound planetary gear set. Seven torque-transmitting mechanisms are selectively engagable in combinations of three to establish up to ten forward speed ratios between the input member and the output member. | 08-25-2011 |
20110207574 | MULTI-SPEED PLANETARY TRANSMISSION WITH TWO COMPOUND PLANETARY GEAR SETS - A multi-speed transmission includes an input member, an output member, a stationary member, and a first and a second compound planetary gear set. The first compound planetary gear set has a first, a second, a third, a fourth, and a fifth member. The second compound planetary gear set has a first, a second, a third, and a fourth member. The first member of the second compound planetary gear set is continuously connected for common rotation with the output member. An interconnecting member continuously connects the first member of the first planetary gear set for common rotation with the second member of the second planetary gear set. The transmission includes seven torque-transmitting mechanisms that are engagable to establish up to fifteen forward speed ratios between the input member and the output member. | 08-25-2011 |
20110207575 | MULTI-SPEED PLANETARY TRANSMISSION WITH TWO PLANETARY GEAR SETS AND UP TO TEN FORWARD SPEED RATIOS - A multi-speed transmission includes an input member, an output member, a stationary member, and a first and a second compound planetary gear set. The first planetary gear set has a first, second, third, fourth, and fifth member. The second planetary gear set has a first, second, third, and fourth member. The first member of the first compound planetary gear set is continuously connected for common rotation with the input member. The first member of the second compound planetary gear set is continuously connected for common rotation with the output member. The second member of the second compound planetary gear set is continuously grounded to the stationary member. None of the members of the first planetary gear set are continuously connected for common rotation with any of the members of the second planetary gear set. Seven torque-transmitting mechanisms are engagable to establish up to ten forward speed ratios. | 08-25-2011 |
20110212807 | MULTI-SPEED TRANSMISSION WITH COMPOUND AND SIMPLE PLANETARY GEAR SETS AND WITH LAYSHAFTS - A transmission is provided that includes a first compound planetary gear set and a second simple planetary gear set. An input member, an output member and the planetary gear sets are arranged coaxially with one another to define a first axis of rotation. A first and a second layshaft are arranged coaxially with one another to define a second axis of rotation. A first set of intermeshing gears transfer torque from the input member to the first layshaft. A second set of intermeshing gears transfer torque from the second layshaft to the second planetary gear set. Seven torque-transmitting mechanisms are engagable in different combinations to establish multiple forward speed ratios and a reverse speed ratio between the input member and the output member. | 09-01-2011 |
20110218074 | MULTI-SPEED PLANETARY TRANSMISSION WITH THREE BRAKES AND FOUR CLUTCHES - A multi-speed transmission includes an input member, an output member, a stationary member, and a first and a second compound planetary gear set. The first compound planetary gear set has a first, a second, a third, a fourth, and a fifth member. The second compound planetary gear set has a first, a second, a third, and a fourth member. The first member of the second compound planetary gear set is continuously connected for common rotation with the output member. An interconnecting member continuously connects the first member of the first compound planetary gear set for common rotation with the second member of the second compound planetary gear set. The transmission has seven torque-transmitting mechanisms, including three brakes and four rotating-type clutches, that are engagable to establish up to fourteen forward speed ratios between the input member and the output member. | 09-08-2011 |
20110230298 | TRANSMISSION WITH MIXED PLANETARY LAYSHAFT STRUCTURE - A transmission includes an input member, an output member, a first and a second intermediate member, and a planetary gear set, all of which are coaxial and define a first axis of rotation. A first and a second layshaft are arranged to define a second axis of rotation and a third axis of rotation, respectively. Each of five sets of intermeshing gears transfer torque from a respective one of the intermediate members to a respective one of the layshafts via engagement of different respective ones of nine torque-transmitting mechanisms. A set of transfer gears transfers torque from the layshafts to the output member. One of the torque-transmitting mechanisms grounds a member of the planetary gear set to a stationary member. The nine torque-transmitting mechanisms are engagable in different combinations to establish up to eight forward speed ratios and at least one reverse speed ratio. | 09-22-2011 |
20110230299 | MULTI-SPEED TRANSMISSION WITH PLANETARY GEAR SETS AND LAYSHAFTS - A transmission is provided that includes a first compound planetary gear set and a second planetary gear set. An input member, an output member and the planetary gear sets are arranged coaxially with one another to define a first axis of rotation. A first and a second layshaft are arranged coaxially with one another to define a second axis of rotation. A first set of intermeshing gears transfer torque from the input member to the first layshaft. A second set of intermeshing gears transfer torque from the second layshaft to the second planetary gear set. Seven torque-transmitting mechanisms are engagable in different combinations to establish multiple forward speed ratios and a reverse speed ratio between the input member and the output member. | 09-22-2011 |
20110230302 | MULTI-SPEED TRANSMISSION WITH EIGHT TORQUE-TRANSMITTING MECHANISMS - A transmission includes an input member, an output member, an intermediate shaft, and a simple planetary gear set, all of which are coaxial. A first and a second layshaft are arranged to define a second axis of rotation and a third axis of rotation, respectively. The transmission has five sets of intermeshing gears, some of which are arranged to transfer torque from the input member to the layshafts, and others of which are arranged to transfer torque from the layshafts to the intermediate member or the simple planetary gear set. The transmission has eight torque-transmitting mechanisms, including one torque-transmitting mechanism that is selectively engagable to connect the input member for common rotation with the intermediate member. The other seven torque-transmitting mechanisms are each selectively engagable to connect a different respective gear of the sets of intermeshing gears to a respective one of the layshafts or to a stationary member. | 09-22-2011 |
20110245014 | MULTI-SPEED TRANSMISSION - A transmission includes an input member, an output member, an intermediate member, and a simple planetary gear set, all of which are coaxial. A first and a second layshaft are arranged to define a second axis of rotation and a third axis of rotation, respectively. Five sets of intermeshing gears are provided, some of which are arranged to transfer torque from the input member to the layshafts, and others of which are arranged to transfer torque from the layshafts to one of the intermediate member and the simple planetary gear set. Seven torque-transmitting mechanisms are each selectively engagable to connect a different respective gear of the sets of intermeshing gears to a respective one of the layshafts or to a stationary member. The torque-transmitting mechanisms are engagable in different combinations to establish multiple forward speed ratios and a reverse speed ratio between the input member and the output member. | 10-06-2011 |
20110245028 | MULTI-SPEED TRANSMISSION WITH PLANETARY AND LAYSHAFT GEARS - A transmission includes a coaxial input member, output member, intermediate member, and simple planetary gear set. A first and a second layshaft are arranged to define a second and a third axis of rotation, respectively. The transmission has five sets of intermeshing gears, some of which are arranged to transfer torque from the input member to the layshafts, and others of which are arranged to transfer torque from the layshafts to one of the intermediate member and the simple planetary gear set. The transmission has eight torque-transmitting mechanisms that are each selectively engagable to connect a different respective gear of the intermeshing sets of gears to a respective one of the layshafts or to a stationary member. The torque-transmitting mechanisms are engagable in different combinations to establish up to fourteen forward speed ratios and a reverse speed ratio between the input member and the output member. | 10-06-2011 |
20110245029 | EIGHT-SPEED PLANETARY LAYSHAFT TRANSMISSION - A transmission includes an input member, an output member, an intermediate member, and a planetary gear set, all of which are coaxial. A first and a second layshaft are arranged to define a second axis of rotation and a third axis of rotation, respectively. At least three sets of intermeshing gears are provided, some of which are arranged to transfer torque from the input member to the layshafts, and another of which is arranged to transfer torque from the layshafts to the intermediate member via engagement of different respective ones of seven torque-transmitting mechanisms. The seven torque-transmitting mechanisms are engagable in different combinations to establish up to eight forward speed ratios and a reverse speed ratio between the input member and the output member. | 10-06-2011 |
20110287885 | 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. | 11-24-2011 |
20110294618 | 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. | 12-01-2011 |
20120247084 | ELECTRIC PREHEATING OF A CATALYTIC CONVERTOR USING A SOLAR CELL ARRAY - An internal combustion engine vehicle or hybrid-electric vehicle is provided with a vehicle-mounted solar cell array capable of generating electrical power. The solar cell array and other elements, including a metal substrate catalytic convertor form a system for reducing exhaust gas emissions from the vehicle in which the power from the array is applied to minimize exhaust emissions. A primary application of the solar cell array-generated power is to preheat the catalytic convertor to a preferred operating temperature prior to engine start. But the power from the solar cells, directed by a controller, may also be applied to charge the battery or to power electric power receiving devices, for example, to control cabin temperatures. The preferred allocation of the solar power available depends on a number of factors including the state of charge of the batteries, and the time of anticipated next use of the vehicle. | 10-04-2012 |
20120255279 | SYSTEM AND METHOD FOR SOLAR-POWERED CONTROL OF EXHAUST AFTER-TREATMENT SYSTEMS - A system and method for providing energy to auto systems such as systems after-treating exhaust. Energy may be received from a solar energy source electrically connected to an after-treatment system. At least some of the energy from the solar energy source may be provided to the after-treatment system to purify exhaust from an engine. A control module may provide at least some of the energy from the solar energy source to a heater, for example, to initiate heating the after-treatment system prior to starting the engine. The heater may heat the after-treatment to temperatures within a predetermined temperature range associated with optimal efficiency for the after-treatment system. | 10-11-2012 |
20120306442 | Rapid Energy Recharge System for a Battery Electric Vehicle - A charging system is provided for an electric vehicle. A vehicle battery stores electrical energy used to drive the electric vehicle. A refillable storage device is carried by the vehicle for storing compressed fluid from an off-vehicle supply of compressed fluid. An expander is in fluid communication with the refillable storage device. The expander selectively receives the compressed fluid from the refillable storage device when the vehicle battery is in need of charging and generates a rotational energy in response to the compressed fluid flowing through the expander. A generator is rotationally coupled to the expander and electrically coupled to the vehicle battery for converting the rotational energy into electrical energy that is transferred to and stored by the vehicle battery. | 12-06-2012 |
20120323415 | MODE SELECTION TECHNIQUE FOR ONBOARD ENERGY MANAGEMENT - An auxiliary energy management system for a vehicle includes an energy storage device, solar panel array, a preconditioning device, a communication module and a solar control module. The solar panel array generates electrical energy. The pre-conditioning device generates a temperature change to the vehicle. The solar control module includes a processor for selectively configuring a distribution of electrical energy captured by the solar energy panel to one of the energy storage device and the preconditioning device. The processor includes a mode selector logic module for indicating one of a passive enablement or active enablement of the distribution of electrical energy based on a vehicle driving status and the electrical energy availability from the solar panel array. At least one of a recharging function or a preconditioning function is enabled passively or actively based on a configuration in the mode selector logic module or a personalized configuration. | 12-20-2012 |