Abstract: A simulated shift system for a battery electric vehicle (BEV) includes a set of sensors configured to monitor a set of parameters indicative of driver input by a driver of the BEV and a controller configured to control an electric drive module (EDM) of the BEV, the EDM comprising a gear system connected to an electric motor and being configured to output drive torque to a driveline of the BEV, receive the monitored set of parameters, and, based on the monitored set of parameters, selectively control the EDM to adjust drive torque output therefrom to simulate transmission shift operations of a predetermined conventional automotive automatic transmission having four or more speeds.

Abstract: Control systems and methods for a vehicle automatic transmission utilize a driver interface configured to receive input from a driver of the vehicle relating to a custom shift mode of the automatic transmission and a controller configured to monitor a driving history of the vehicle and, based on the driving history, determine a reduced shift sequence for the transmission to utilize during the custom shift mode, the reduced shift sequence specifying a subset of available forward gears of the transmission to utilize during the custom shift mode, the subset of gears being less than a total number of available forward gears of the transmission, such that one or more available forward gears are skipped in the reduced shift sequence, initiate the custom shift mode for the transmission, and during the custom shift mode, control shifting of the transmission according to the reduced shift sequence.

Abstract: Control systems and methods for a vehicle automatic transmission utilize a driver interface configured to receive input from a driver of the vehicle relating to a custom shift mode of the automatic transmission and a controller configured to monitor a driving history of the vehicle and, based on the driving history, determine a reduced shift sequence for the transmission to utilize during the custom shift mode, the reduced shift sequence specifying a subset of available forward gears of the transmission to utilize during the custom shift mode, the subset of gears being less than a total number of available forward gears of the transmission, such that one or more available forward gears are skipped in the reduced shift sequence, initiate the custom shift mode for the transmission, and during the custom shift mode, control shifting of the transmission according to the reduced shift sequence.

Abstract: A transmission includes input and output shafts, a hybrid module coupled to the input shaft and a gearbox coupled to the module and output shaft. The hybrid module includes a first electric motor under driven by a gearset; a second electric motor coupled to a module output, a disconnect clutch coupled to the gearset and selectively to the input shaft; and a launch clutch coupled to the disconnect clutch and selectively to the module output. The gearbox includes three gearsets and five torque transmitting devices operable to generate six forward speeds. One torque transmitting device is a clutch brake applied with a piston that reaches over a park gear, and one is a selectable one way clutch. Two of the torque transmitting devices are radially stacked rotating clutches. The transmission includes and/or facilitates an engine only mode, an electric only mode, a hybrid mode and a battery charging mode.

Abstract: A transmission includes input and output shafts, a hybrid module coupled to the input shaft and a gearbox coupled to the module and output shaft. The hybrid module includes a first electric motor under driven by a gearset; a second electric motor coupled to a module output, a disconnect clutch coupled to the gearset and selectively to the input shaft; and a launch clutch coupled to the disconnect clutch and selectively to the module output. The gearbox includes three gearsets and five torque transmitting devices operable to generate six forward speeds. One torque transmitting device is a clutch brake applied with a piston that reaches over a park gear, and one is a selectable one way clutch. Two of the torque transmitting devices are radially stacked rotating clutches. The transmission includes and/or facilitates an engine only mode, an electric only mode, a hybrid mode and a battery charging mode.

Abstract: An automatic transmission system includes a housing containing automatic transmission fluid (ATF), a plurality of clutches configured to be engaged to generate gear ratios corresponding to forward speeds of the automatic transmission, wherein one clutch of the plurality of clutches is a friction clutch movable between a disengaged state, an engaged state utilized to create one or more gear ratios of the automatic transmission, and a slippingly engaged state between the disengaged state and the engaged state where the friction clutch is not engaged to create a gear ratio of the automatic transmission, and a controller configured to selectively move the friction clutch to the slippingly engaged state when the friction clutch is not being utilized to generate the one or more gear ratios, such that the friction clutch generates heat from friction to thereby rapidly heat the ATF in the housing and improve operating efficiency of the transmission.

Abstract: An automatic transmission system includes a housing containing automatic transmission fluid (ATF), a plurality of clutches configured to be engaged to generate gear ratios corresponding to forward speeds of the automatic transmission, wherein one clutch of the plurality of clutches is a friction clutch movable between a disengaged state, an engaged state utilized to create one or more gear ratios of the automatic transmission, and a slippingly engaged state between the disengaged state and the engaged state where the friction clutch is not engaged to create a gear ratio of the automatic transmission, and a controller configured to selectively move the friction clutch to the slippingly engaged state when the friction clutch is not being utilized to generate the one or more gear ratios, such that the friction clutch generates heat from friction to thereby rapidly heat the ATF in the housing and improve operating efficiency of the transmission.

Abstract: A planet carrier assembly has a plurality of pinion gears rotatably mounted on pinion pins, each pin having a slot formed thereon. A locator ring is assembled onto the pinion pins and rotated in a manner such that the locator ring engages the slots in the pinion pins and a plurality of tabs and protuberances engage complementary components formed on a housing member of the planet carrier assembly. The locator ring ensures both axial and rotational positioning of the pinion pins within the planet carrier housing.

Abstract: 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.

Abstract: 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.

Abstract: A pressure holding apparatus incorporates a hydraulic pressure system having an engine-driven pressure source, a pressure holding valve, and a torque-transmitting mechanism. The torque-transmitting mechanism is selectively engaged and disengaged by fluid pressure from the engine-driven pressure source during normal powertrain operation. The torque-transmitting mechanism apply chamber is pressurized with the oil by the pressure holding valve when the engine operation is discontinued.

Abstract: A multispeed power transmission has an input shaft, a pair of parallel transfer shafts, a differential gear set and a pair of output shafts. The output shafts extend from opposite sides of the differential gear set and are disposed coaxial with one of the transfer shafts and the input shaft. An output gear set is connected for torque transfer between the other transfer shaft and the differential gear set. A plurality of clutch controlled ratio gears sets are connectible between the transfer shafts to provide selective gear ratios therebetween. A direct clutch provides selective connection between the one transfer shaft and the differential gear set in bypass relation with the output gear set. A forward clutch is selectively operable in combination with the clutch controlled ratio gear sets and a direct clutch to provide a plurality of drive paths between the input shaft and the differential gear set.

Abstract: A fan-folded drive belt is comprised of a folded metal belt maintained in a continuous loop by a plurality of continuous metal bands maintained in tension and supported in a band slot on the folded metal belt. The folded metal belt is made from a single strip of metal which is formed by machining processes, such as stamping, and then accordion folded to produce individual drive members arranged with long and short drive leg members being adjacent. The adjacent drive members are connected at either the inner or outer extremes. The drive belt transfers drive forces between spaced pulleys or sheaves through frictional engagement therewith. During such driving, the outer portion of the belt is deflected or flexes as the belt travels around the pulleys. This causes high stress levels to be induced within the individual drive members. To reduce the stress level, the various points on the folded belt, a portion of material disposed outwardly from the continuous metal bands is removed at the fold line.