| Patent application number | Description | Published |
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| 20080202267 | Multi-Speed Transmission With Countershaft Gearing - A transmission is provided having a dual clutch, to achieve torque flow through a countershaft gearing arrangement. The countershaft gearing arrangement includes a plurality of co-planar gear sets having gears that are selectively connectable to a plurality of countershafts. At least one transfer gear set transfers torque from the counter shafts to an output shaft. The output shaft is connected to a final drive unit that has a final drive unit output shaft that is transverse to an input member connected at one end to a torque converter and at the other end to the dual clutch. | 08-28-2008 |
| 20080305907 | INPUT BRAKE ASSEMBLY - An input brake assembly is provided for selectively grounding a transmission input member. The packaging location of the input brake assembly does not interfere with, and thus still allows the option of providing a bypass clutch for a flex plate-type flywheel connecting the engine with the transmission input member. The input brake assembly includes a flywheel, preferably a flex plate, for transferring rotary torque between the engine and the transmission input member and a ring gear secured to the outer periphery of the flex plate. A pinion gear is axially movable into and out of meshing engagement with the ring gear. A grounding device is operatively connected to the pinion gear and is operable to prevent rotation of the pinion gear, thereby braking the flex plate as well as the transmission input member operatively connected thereto when the pinion gear is in meshing engagement with the ring gear. | 12-11-2008 |
| 20100050797 | MULTI-SPEED TRANSMISSION WITH COUNTERSHAFT GEARING ARRANGEMENT - A transmission includes an input member, an output member, a first and second interconnecting member, a plurality of countershafts, a reverse member, a plurality of co-planar gear sets, and a plurality of torque transmitting devices. The torque transmitting devices include synchronizer assemblies and a dual clutch assembly. The transmission is operable to provide at least one reverse speed ratio and a plurality of forward speed ratios between the input member and the output member. | 03-04-2010 |
| 20100140036 | COMPACT DRY DUAL CLUTCH MODULE - The present invention provides a dry, dual clutch module having reduced axial length. The clutch module includes a larger diameter, single plate outer clutch which drives a first transmission input shaft or drive quill and a smaller diameter, double plate inner clutch which drives a second transmission input shaft or drive quill. The smaller diameter clutch is nested within the larger diameter clutch and thus they essentially reside within the same axial space. | 06-10-2010 |
| 20100147106 | DUAL CLUTCH MULTI-SPEED TRANSMISSION - A transmission includes an input member, an output transfer gear, first and second interconnecting members, a layshaft, a reverse member, a plurality of co-planar gear sets, and a plurality of torque transmitting devices. The torque transmitting devices include a plurality of synchronizer assemblies and a dual clutch assembly. The transmission is operable to provide at least one reverse speed ratio and a plurality of forward speed ratios between the input member and the output transfer gear. | 06-17-2010 |
| 20100186549 | DUAL CLUTCH MULTI-SPEED TRANSMISSION - A transmission includes an input member, an output transfer gear, first and second shaft members, a countershaft, a reverse shaft member, a plurality of co-planar gear sets, and a plurality of torque transmitting devices. The torque transmitting devices include a plurality of synchronizer assemblies and a dual clutch assembly. The transmission is operable to provide at least one reverse speed ratio and a plurality of forward speed ratios between the input member and the output gear. | 07-29-2010 |
| 20100236344 | DUAL CLUTCH MULTI-SPEED TRANSMISSION - A transmission includes an input member, an output transfer gear, first and second shaft or transmission input members, first and second counter shaft members, a plurality of co-planar gear sets, and a plurality of torque transmitting devices. The torque transmitting devices include a plurality of synchronizer assemblies and a dual clutch assembly. The transmission is operable to provide at least one reverse speed ratio and a plurality of forward speed ratios between the input member and the output member. | 09-23-2010 |
| 20100236358 | DUAL CLUTCH MULTI-SPEED TRANSMISSION - A transmission includes an input member, an output transfer gear, first and second shaft members, first and second counter shaft members, a plurality of co-planar gear sets, and a plurality of torque transmitting devices. The torque transmitting devices include a plurality of synchronizer assemblies and a dual clutch assembly. The transmission is operable to provide at least one reverse speed ratio and a plurality of forward speed ratios between the input member and the output member. | 09-23-2010 |
| 20100236359 | DUAL CLUTCH MULTI-SPEED TRANSMISSION HAVING ONE COUNTERSHAFT AND A REVERSE SHAFT - A transmission includes an input member, an output transfer gear, first and second shaft members, a countershaft, a reverse shaft, a plurality of co-planar gear sets, and a plurality of torque transmitting devices. The torque transmitting devices include a plurality of synchronizer assemblies and a dual clutch assembly. The transmission is operable to provide at least one reverse speed ratio and a plurality of forward speed ratios between the input member and the output member. | 09-23-2010 |
| 20100251841 | FIVE SPEED DUAL CLUTCH TRANSMISSION - A transmission includes an input member, an output member, first and second shafts, first and second countershafts, a plurality of co-planar gear sets, and a plurality of torque transmitting devices. The torque transmitting devices include a plurality of synchronizer assemblies and a dual clutch assembly. The transmission is operable to provide at least one reverse speed ratio and a plurality of forward speed ratios between the input member and the output member. | 10-07-2010 |
| 20100251843 | DUAL CLUTCH FIVE SPEED TRANSMISSION - A transmission includes an input member, an output member, first and second shafts, a countershaft, a plurality of co-planar gear sets, and a plurality of torque transmitting devices. The torque transmitting devices include a plurality of synchronizer assemblies and a dual clutch assembly. The transmission is operable to provide at least one reverse speed ratio and a plurality of forward speed ratios between the input member and the output member. | 10-07-2010 |
| 20100251844 | DUAL CLUTCH FIVE SPEED TRANSMISSION - A transmission connectable to an input member and has an output member, first and second shafts, first and second countershafts, a plurality of co-planar gear sets, and a plurality of torque transmitting devices. The torque transmitting devices include a plurality of synchronizer assemblies and a dual clutch assembly. The transmission is operable to provide at least one reverse speed ratio and a plurality of forward speed ratios between the input member and the output member. | 10-07-2010 |
| 20100257954 | DUAL CLUTCH TRANSMISSION - A transmission includes an input member, an output member, first and second shafts, a countershaft, a reverse shaft, a plurality of co-planar gear sets, and a plurality of torque transmitting devices. The torque transmitting devices include a plurality of synchronizer assemblies and a dual clutch assembly. The transmission is operable to provide at least one reverse speed ratio and a plurality of forward speed ratios between the input member and the output member. | 10-14-2010 |
| 20100263426 | COMPACT OIL TRANSFER MANIFOLD - The present invention relates to a manifold for a vehicle transmission. The manifold defines a plurality of laterally extending channels suitable for simultaneously transferring oil at separate flow rates and pressure signals and may be subdivided to provide a plurality of like defined manifolds. The manifold, formed through an extrusion process, is fittable within or around a transmission shaft. | 10-21-2010 |
| 20100269606 | DUAL CLUTCH TRANSMISSION - A transmission includes an input member, an output member, first and second shafts, first and second countershafts, a plurality of co-planar gear sets, and a plurality of torque transmitting devices. The torque transmitting devices include a plurality of synchronizer assemblies and a dual clutch assembly. The transmission is operable to provide at least one reverse speed ratio and a plurality of forward speed ratios between the input member and the output member. | 10-28-2010 |
| 20100269607 | DUAL CLUTCH TRANSMISSION - A transmission includes an input member, an output member, first and second shafts, first and second countershafts, a plurality of co-planar gear sets, and a plurality of torque transmitting devices. The torque transmitting devices include a plurality of synchronizer assemblies and a dual clutch assembly. The transmission is operable to provide at least one reverse speed ratio and a plurality of forward speed ratios between the input member and the output member. | 10-28-2010 |
| 20100269608 | DUAL CLUTCH TRANSMISSION - A transmission is connectable to an input member and includes an output member, first and second shafts, first and second countershafts, a plurality of co-planar gear sets, and a plurality of torque transmitting devices. The torque transmitting devices include a plurality of synchronizer assemblies and a dual clutch assembly. The transmission is operable to provide at least one reverse speed ratio and a plurality of forward speed ratios between the input member and the output member. | 10-28-2010 |
| 20100269609 | DUAL CLUTCH TRANSMISSION - A transmission includes an input member, an output member, first and second shafts, first and second countershafts, a plurality of co-planar gear sets, and a plurality of torque transmitting devices. The torque transmitting devices include a plurality of synchronizer assemblies and a dual clutch assembly. The transmission is operable to provide at least one reverse speed ratio and a plurality of forward speed ratios between the input member and the output member. | 10-28-2010 |
| 20100269610 | DUAL CLUTCH TRANSMISSION - A transmission includes an input member, an output member, first and second shafts, first and second countershafts, a plurality of co-planar gear sets, and a plurality of torque transmitting devices. The torque transmitting devices include a plurality of synchronizer assemblies and a dual clutch assembly. The transmission is operable to provide at least one reverse speed ratio and a plurality of forward speed ratios between the input member and the output member. | 10-28-2010 |
| 20100269612 | DUAL CLUTCH TRANSMISSION - A transmission includes an input member, an output member, first and second shafts, first and second countershafts, a plurality of co-planar gear sets, and a plurality of torque transmitting devices. The torque transmitting devices include a plurality of synchronizer assemblies and a dual clutch assembly. The transmission is operable to provide at least one reverse speed ratio and a plurality of forward speed ratios between the input member and the output member. | 10-28-2010 |
| 20100273599 | DUAL CLUTCH TRANSMISSION - A transmission is connectable to an input member and has an output member, first and second shafts, first and second countershafts, a plurality of co-planar gear sets, and a plurality of torque transmitting devices. The torque transmitting devices include a plurality of synchronizer assemblies and a dual clutch assembly. The transmission is operable to provide at least one reverse speed ratio and a plurality of forward speed ratios between the input member and the output member. | 10-28-2010 |
| 20110021308 | MULTI-SPEED TRANSMISSION - A transmission is disclosed having an input member, an output member, first, second and third planetary gear sets, a first interconnecting member, a second interconnecting member and six torque-transmitting mechanisms. The torque-transmitting mechanisms are selectively engageable in combinations of at least three to establish at least eight forward speed ratios and at least one reverse speed ratio between the input member and the output member. The planetary gear sets each have first, second and third members. The six torque-transmitting mechanisms are selectively engageable to interconnect one of the first, second, and third members with another of the first, second, and third members. | 01-27-2011 |
| 20110034294 | MULTI-SPEED TRANSMISSION - A transmission is disclosed having an input member, an output member, first, second and third planetary gear sets, a first interconnecting member, a second interconnecting member and six torque-transmitting mechanisms. The torque-transmitting mechanisms are selectively engageable in combinations of at least three to establish at least eight forward speed ratios and at least one reverse speed ratio between the input member and the output member. The planetary gear sets each have first, second and third members. The six torque-transmitting mechanisms are selectively engageable to interconnect one of the first, second, and third members with another of the first, second, and third members. | 02-10-2011 |
| 20110107860 | DUAL CLUTCH MULTI-SPEED TRANSMISSION - A transmission includes an input member, an output transfer gear, first and second shaft members, a countershaft or layshaft, a reverse shaft member, a plurality of co-planar gear sets, and a plurality of torque transmitting devices. The torque transmitting devices include a plurality of synchronizer assemblies and a dual clutch assembly. The transmission is operable to provide at least one reverse speed ratio and a plurality of forward speed ratios between the input member and the output transfer gear. | 05-12-2011 |
| 20110290073 | DUAL CLUTCH TRANSMISSION - A transmission includes an input member, an output member, first and second shafts, first and second countershafts, a plurality of co-planar gear sets, and a plurality of torque transmitting devices. The torque transmitting devices include a plurality of synchronizer assemblies and a dual clutch assembly. The transmission is operable to provide at least one reverse speed ratio and a plurality of forward speed ratios between the input member and the output member. | 12-01-2011 |
| 20120150371 | CONTROL OF A HYBRID VEHICLE WITH A MANUAL TRANSMISSION - A vehicle includes a transmission that receives torque from an engine and/or a motor. A clutch assembly that may be actuated by a driver is operably disposed between the transmission and the motor, the engine, or both. A controller is configured to control the torque provided by the motor and the engine to prevent engine stall, excessive engine flare, or both, during manual actuation of the clutch assembly by the driver of the vehicle. | 06-14-2012 |
| 20120174703 | EIGHT SPEED DUAL CLUTCH TRANSMISSIONS - An eight forward speed dual clutch transmission includes a pair of input clutches which selectively provide drive torque to a pair of concentric input shafts. Gears coupled to and driven by the input shafts are in constant mesh with gears freely rotatably disposed on a pair of parallel countershafts or layshafts. A plurality of synchronizer clutches selectively synchronize and connect the various gears to the countershafts or layshafts to provide a desired gear ratio in the proper sequence. Reverse gear is similarly provided through a three gear gear train. Upon the synchronization and engagement of a particular gear, the associated input clutch is activated or engaged to supply drive torque to the input shaft, through the synchronized and engaged gear pair and out the countershaft or layshaft. An additional gear on each countershaft or layshaft engages a common gear that directly drives a differential which, in turn, drives a pair of drive axles. | 07-12-2012 |
| 20120174706 | EIGHT SPEED DUAL CLUTCH TRANSMISSION - A transmission is connectable to an input member and includes an output transfer gear, first and second shaft members, first and second countershaft members, a plurality of co-planar gear sets, and a plurality of torque transmitting devices. The torque transmitting devices include a plurality of gears, synchronizer assemblies and a dual clutch assembly. The transmission is operable to provide at least one reverse speed ratio and a plurality of forward speed ratios between the input member and the output member. | 07-12-2012 |
| 20120174707 | EIGHT SPEED DUAL CLUTCH TRANSMISSION - A transmission is connectable to an input member and includes an output transfer gear, first and second shaft members, first and second countershaft members, a plurality of co-planar gear sets, and a plurality of torque transmitting devices. The torque transmitting devices include a plurality of gears, synchronizer assemblies and a dual clutch assembly. The transmission is operable to provide at least one reverse speed ratio and a plurality of forward speed ratios between the input member and the output member. | 07-12-2012 |
| 20120260756 | EIGHT SPEED DUAL CLUTCH TRANSMISSION - A transmission is connectable to an input member and includes an output transfer gear, first and second shaft members, first and second countershaft members, a plurality of co-planar gear sets, and a plurality of torque transmitting devices. The torque transmitting devices include a plurality of gears, synchronizer assemblies and a dual clutch assembly. The transmission is operable to provide at least one reverse speed ratio and a plurality of forward speed ratios between the input member and the output member. | 10-18-2012 |
| 20120272760 | DUAL CLUTCH MULTI-SPEED TRANSMISSION - A transmission includes a transmission housing, a dual clutch assembly, a first through seven gear sets, a first transmission input shaft member rotatably supported in the transmission housing, a second transmission input shaft member rotatably supported in the transmission housing, a first countershaft rotatably supported within the transmission housing and spaced apart from and parallel with the first and second transmission input shaft members, a second countershaft rotatably supported within the transmission housing and spaced apart from and parallel with the first and second transmission input shaft members and five synchronizer assemblies each for selectively coupling at least one of the gears of the gear sets with at least one of the first countershaft and the second countershaft. The dual clutch assembly and the synchronizer assemblies are operable to achieve at least eight forward speed ratios and a reverse speed ratio between an input member and output member. | 11-01-2012 |
| 20120272761 | DUAL CLUTCH MULTI-SPEED TRANSMISSION - A transmission includes an input member, an output member, first and second transmission input shafts, first and second countershafts, a plurality of co-planar gear sets and a plurality of torque transmitting devices. The torque transmitting devices include a plurality of synchronizer assemblies and a dual clutch assembly. The transmission is operable to provide at least one reverse speed ratio and eight forward speed ratios between the input member and the output member. | 11-01-2012 |
| 20130281253 | LATCHING CLUTCH CONTROL SYSTEM - A system is provided for latching and draining a torque transmitting device. The system may include a clutch feed channel having an inlet portion and a clutch portion. The inlet portion is configured to provide hydraulic fluid from a pressurized source to the clutch portion. The clutch portion is configured to provide hydraulic fluid to a torque transmitting device. An inlet valve connects the inlet portion of the clutch feed channel to the clutch portion of the clutch feed channel. The inlet valve is configured to open to allow the hydraulic fluid to flow from the inlet portion to the clutch portion when the torque transmitting device is engaged. The inlet valve is configured to close and to trap hydraulic fluid within the torque transmitting device when the torque transmitting device is not actively pressurized. A multispeed transmission is also provided. | 10-24-2013 |
| 20130296093 | LATCHING CLUTCH CONTROL SYSTEM - A clutch latching system is provided for latching and draining a torque transmitting mechanism. The latching clutch control system may include a latching valve, a release valve, and an accumulator. The clutch latching system may include a clutch feed channel configured to provide hydraulic fluid from a pressurized source to a torque transmitting device when the torque transmitting device is engaged and the engine is running. A latching valve connects the clutch feed channel to the torque transmitting device. The latching valve is configured to selectively trap pressurized hydraulic fluid within the torque transmitting device. A hydraulic pressure storage circuit configured to selectively provide pressurized hydraulic fluid to the latching valve to unlatch the latching valve. A multiple speed transmission is also provided. | 11-07-2013 |
| 20130319813 | LATCHING CLUTCH VALVE CONTROL SYSTEM - A valve assembly includes a valve body having an input in selective communication with an output, a latching piston disposed within the valve body, a balance spring disposed between the latching piston and the valve body, and a valve piston disposed within the valve body. The input communicates with the output when the valve piston is in a first position and the input does not communicate with the output when the valve piston is in a second position. A diaphragm spring is disposed between the latching piston and the valve piston. A holding spring is disposed between the valve piston and the valve body. | 12-05-2013 |
| 20130324348 | DIFFERENTIAL WITH INTEGRATED TORQUE VECTORING - A torque vectoring differential includes a pair of planetary gear assemblies having a common planet gear carrier which is driven from the output of a transmission. Each of the planetary gear assemblies include a ring gear that may be individually and selectively grounded (braked) to a stationary housing by a friction brake and a sun gear that is coupled through an axle to a respective drive wheel. Selective activation of the brakes controls the distribution, i.e., vectoring, of torque to each of the drive wheels. Each planetary gear assembly includes elongated planet gears which mesh not only with their respective sun and ring gears but also with the planet gears of the other planetary gear assembly. | 12-05-2013 |
| 20130341152 | LATCHING CLUTCH VALVE CONTROL SYSTEM - An assembly includes a valve body having an inlet in selective communication with an outlet and having an unlatch port, a latching piston disposed within the valve body, a balance spring disposed between the latching piston and the valve body, and a valve piston disposed within the valve body. The inlet communicates with the outlet when the valve piston is in a first position and the inlet does not communicate with the outlet when the valve piston is in a second position. A diaphragm spring is disposed between the latching piston and the valve piston. A holding spring is disposed between the valve piston and the valve body. An unlatching mechanism is in communication with the unlatch port of the valve body. | 12-26-2013 |
| 20140069217 | MULTI-SPEED TRANSMISSION - A transmission includes an input member, an output member, first and second transmission input shafts, first and second countershafts, a plurality of co-planar gear sets and a plurality of torque transmitting devices. The torque transmitting devices include a plurality of synchronizer assemblies and a dual clutch assembly. The transmission is operable to provide at least one reverse speed ratio and six forward speed ratios between the input member and the output member. | 03-13-2014 |
| 20140088842 | SYSTEM AND METHOD FOR CONTROLLING AN AUTOMATIC STOP-START - A system and method are provided for controlling an automatic engine stop-start in conjunction with a transmission having one or more latching valves. The system and method is configured to determine whether conditions are met for an autostop, and if so, to latch or unlatch the latching valve(s) by changing clutch pressure. | 03-27-2014 |
| 20140135162 | AUTOMATED ELECTRIC MANUAL TRANSMISSION - An automated electric manual transmission (EMT) has an input member, an output member, and at least one shaft. The input member and the at least one shaft are rotatable about a first axis of rotation. A countershaft is substantially parallel with the at least one shaft and is rotatable about a second axis of rotation. The output member is operatively connected to rotate with the countershaft. A transmission controller controls engagement of a plurality of torque-transmitting mechanisms to selectively establish different gear ratios from the at least one shaft to the transfer shaft through pairs of intermeshing gears. An electric motor and a planetary gear set are concentric with the first axis of rotation. The electric motor can provide torque to a member of the planetary gear set. | 05-15-2014 |
| 20140352491 | AUTOMATED MANUAL TRANSMISSION WITH ELECTRIC MOTOR-GENERATOR - The transmission includes an input shaft rotatable about a first axis of rotation, and a countershaft arranged substantially parallel with the input shaft and rotatable about a second axis of rotation. An output member is operatively connected to rotate in unison with the countershaft. Multiple pairs of intermeshing gears are included, each having a respective synchronizable gear that rotates about one of the input shaft and the countershaft, and a respective fixed gear mounted to the other one of the input shaft and the countershaft to rotate in unison therewith. An electric motor has a rotor concentric with and rotatable about the first axis of rotation. A first synchronizer is selectively engageable to synchronize rotation of the rotor with the input shaft. A second synchronizer is selectively engageable to synchronize rotation of the rotor with one of the synchronizable gears that rotates about the input shaft. | 12-04-2014 |
| 20140378267 | TEN SPEED TRANSMISSION WITH LATCHING MECHANISMS - A transmission is provided having an input member, an output member, four planetary gear sets, a plurality of coupling members and a plurality of torque transmitting devices. Each of the planetary gear sets includes first, second and third members. The torque transmitting devices include clutches and brakes actuatable in combinations of four to establish a plurality of forward gear ratios and one reverse gear ratio. The transmission also includes a transmission auto start/stop enabler which includes a latch mechanism. The latch mechanism readies at least one of the plurality of torque transmitting devices during an engine auto stop/start event or in preparation for a stop of the motor vehicle. | 12-25-2014 |
| 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 |
| 20150018163 | MULTI-SPEED TRANSMISSION WITH AN ENGINE START/STOP ENABLER - A transmission includes an input member, an output member, four planetary gear sets, and a plurality of torque transmitting mechanisms that are selectively engageable to establish at least ten forward speed ratios and at least one reverse speed ratio between the input member and the output member. The transmission further includes one or more locking mechanisms that engage one or more of the plurality of torque transmitting mechanisms during a start/stop event. | 01-15-2015 |
