About 25 results
https://drivepatents.com/patents/1007591 · 30 Nov 2011
A torque distributor includes a friction-drive mechanism having a first roller rotatable together with a first rotary member, partly constituting a torque-transmission path to primary drive wheels, and a second roller rotatable together with a second rotar...
https://drivepatents.com/patents/1008805 · 12 Oct 2011
An object of the invention is to provide a traction control device capable of preventing a reduction in acceleration. A traction control device of the invention includes a braking mechanism controller (84) that controls a braking mechanism. The braking mec...
https://drivepatents.com/patents/1069645 · 1 Mar 2006
A driving force control apparatus for a four-wheel drive vehicle is provided for stably launching the vehicle irrespective of whichever condition of a road surface and whether or not a road is gradient. In the driving force control apparatus for a four-whe...
https://drivepatents.com/patents/1069646 · 1 Mar 2006
A fault detecting apparatus for a four-wheel drive vehicle is provided for avoiding without fail any erroneous detection due to a response delay associated with an operation for switching a speed increasing system and due to sudden fluctuations in wheel sp...
https://drivepatents.com/patents/1069788 · 22 Feb 2006
According to a first aspect of the invention, a control method for a four-wheel drive vehicle includes the steps of detecting a braking operation, detecting an accelerator opening or throttle opening greater than or equal to a predetermined value, and rega...
https://drivepatents.com/patents/1073488 · 5 Oct 2005
A drive force control method for a four-wheel drive vehicle including a torque distributing mechanism capable of changing a drive force distribution ratio between front and rear wheels and a drive force distribution ratio between right and left front wheel...
https://drivepatents.com/patents/1079820 · 23 Feb 2005
An all wheel drive system for a vehicle is presented, comprising a first clutch (17) for control of transfer of torque to the rear wheels (9, 10), and a second clutch (19) is provided for control of transfer of torque to the front wheels (4, 5). Preferably...
https://drivepatents.com/patents/1081524 · 22 Dec 2004
Providing a drive transmission apparatus for vehicle capable of ensuring the adaptability of an electric motor to a high-temperature environment and increasing the degree of freedom for apparatus layout. The drive transmission apparatus for vehicle serves ...
https://drivepatents.com/patents/1090598 · 2 Jan 2004
A four-wheel drive vehicle is provided with a drive power transmission device for controlling the connection degree of a front wheel axle driven by an engine with a rear wheel axle. A drive power distribution control device is responsive to a vehicle speed...
Drive-force distribution controller and drive-force distribution method for four-wheel-drive vehicle
https://drivepatents.com/patents/1092092 · 5 Nov 2003
A drive-force distribution controller controls a drive-force transmission apparatus (17) of a vehicle in order to control transmission of drive force to rear wheels (20) or front wheels (16) of the vehicle in accordance with a designated drive-force transm...