About 113 results
https://drivepatents.com/patents/1073528 · 5 Oct 2005
A transmission controller commands a demand torque of an engine to an engine controller (19) according to an actual secondary pulley pressure (Psec) that is detected by a secondary pulley pressure sensor (15) when a vehicle speed is 0 km/h and a state wher...
https://drivepatents.com/patents/1073493 · 5 Oct 2005
An input torque control system is provided with a primary pulley, a secondary pulley, a V belt wound between these pulleys, a step motor to change a pressure difference between the primary pulley pressure and the secondary pulley pressure to change a gear ...
https://drivepatents.com/patents/1074723 · 24 Aug 2005
There is provided a start clutch control system for a vehicle, including a start clutch (2) disposed between an engine (1) and a transmission (3) in the vehicle, a detection unit (11,12,13) that detects vehicle running conditions including at least a vehic...
https://drivepatents.com/patents/1076267 · 29 Jun 2005
There is provided according to one aspect of the invention a system for controlling a torque transmission device that transmits an engine torque to a transmission in a vehicle. The system has a control unit configured to set a target engine speed according...
https://drivepatents.com/patents/1083044 · 20 Oct 2004
A controller (50) controls the supply of oil pressure to a primary pulley (41) and a secondary pulley (42) of a belt-drive continuously variable transmission (1) in accordance with the depression amount of an accelerator pedal (81) of a vehicle. When slipp...
https://drivepatents.com/patents/1084917 · 11 Aug 2004
In shift hydraulic apparatus and method for a vehicular automatic transmission, the automatic transmission being constituted by a torque converter and a continuously variable transmission, a bypass circuit which is enabled to communicate an upstream side h...
https://drivepatents.com/patents/1086228 · 23 Jun 2004
In a shift control system for an automatic transmission, shelf-pressure control means include means for increasing the engagement pressure of the friction elements at a first gradient as previously set after output of the shift command, wherein after outpu...
https://drivepatents.com/patents/1086229 · 23 Jun 2004
A system for controlling a torque reduction at shifting for an automatic transmission is provided with actual gear-ratio detecting means for detecting an actual gear ratio out of input rotation and output rotation of the automatic transmission, and torque-...
https://drivepatents.com/patents/1088444 · 31 Mar 2004
In control apparatus and method for an automotive vehicle, the vehicle having a continuously variable transmission associated with a vehicular engine and including a belt that transmits a revolution of a primary pulley to a secondary pulley that is enabled...
https://drivepatents.com/patents/1088489 · 31 Mar 2004
A starter motor (15), connected to a damper (10), starts an engine connected by the damper, a motor generator (20) and clutch (30) to a transmission (40). The clutch is connected to the motor generator. An independent claim is included for a drive system.