About 47 results
https://drivepatents.com/patents/1092245 · 29 Oct 2003
The four-wheel-drive vehicle has a torque transmission device configured to distribute torque transmitted from an engine to a first set of wheels to a second set of wheels. Throttle-opening of the engine is detected. A first torque command which depends on...
https://drivepatents.com/patents/1092211 · 29 Oct 2003
A torque distribution control device for a four-wheel drive vehicle is disclosed having a torque distribution device for distributing the drive power transmitted from an engine to either of the front wheels or the rear wheels as prime drive wheels, to othe...
https://drivepatents.com/patents/1092237 · 29 Oct 2003
A four-wheel drive vehicle (11) has front wheels (15) and rear wheels (20) driven by an engine (12), and a coupling (17) for changing the distribution ratio of torque to the front wheels and the rear wheels. An ECU determines whether engine braking is bein...
https://drivepatents.com/patents/1096273 · 7 May 2003
A power distribution control apparatus determines a command value that corresponds to the driving state of a four-wheel drive vehicle. The vehicle includes a pair of front wheels (5a,5b) and a pair of rear wheels (11a,11b), and a coupling device (7) that c...
https://drivepatents.com/patents/1096187 · 7 May 2003
A vehicle has a transmission apparatus (19) that changes the distribution of power transmitted from a power source (11) to a plurality of wheels (16, 17, 24, 25). The method for distributing power of the vehicle includes detecting the temperature (Tx) of a...
https://drivepatents.com/patents/1097327 · 26 Mar 2003
Drive unit (I) comprises superposition device having a first input shaft to establish a drive connection with a primary drive source, a second input shaft, and an output shaft; and an electric motor as a secondary drive source having a rotor and a stator, ...
https://drivepatents.com/patents/1099241 · 2 Jan 2003
In driving force controlling apparatus and method for a four-wheel drive vehicle, a command is outputted to a front-and-rear wheel driving force distribution control system to reduce a clutch engagement force of a clutch, such as a frictional clutch, when ...
https://drivepatents.com/patents/1100467 · 13 Nov 2002
The present invention provides a driving force distributing apparatus which can instantaneously reduce clutch pressure to thereby carry out proper operation of an ABS even if the ABS is actuated while the vehicle is travelling in a 4WD mode. In order to re...
https://drivepatents.com/patents/1100683 · 30 Oct 2002
The method involves controlling load-switchable lock couplings for each differential of the vehicle, which has a gearbox. The lock couplings are automatically engaged or disengaged to lock or releases the differential using vehicle parameters. The differen...
https://drivepatents.com/patents/1103053 · 17 Jul 2002
Traction control system has pressure sensors (10, 11) arranged in main lines (6, 7) to transmit a pressure signal to an electronic control unit (9). The driving situation can be recognized as uphill, downhill or level by the progression of the signals from...