About 19 results
https://drivepatents.com/patents/984939 · 24 Apr 2013
The method involves determining steering angle of two of wheels (4, 5) of a front axle (2) by a steering wheel (18). The steering wheel is rotated up to a maximum steering wheel angle in a steering direction. Force applied on the steering wheel is detected...
https://drivepatents.com/patents/985941 · 6 Mar 2013
During the period between the start of steering t1 and an instant t2 when a prescribed interval TM1s has passed, the drive torque of a motor for driving a vehicle wheel is as shown in (a) corrected so as to be a value which is temporarily increased from th...
https://drivepatents.com/patents/997421 · 10 Oct 2012
The invention relates to a traction system for a direct drive electric vehicle comprising respective electric motors (3a, 3b) with respective first power axles (2a, 2b) directly connected to a right drive wheel (1a) and to a left drive wheel (1b), a tracti...
https://drivepatents.com/patents/1005116 · 22 Feb 2012
A vehicle capable of easily translating in an arbitrary direction. A vehicle comprising: wheels composed of two front wheels and two rear wheels; four steering actuators connected to the wheels, respectively, and steering the wheels; four drive actuators c...
https://drivepatents.com/patents/1005842 · 25 Jan 2012
A drive control device for an electric vehicle that is driven by a motor-generator, includes: a detection unit that detects a fact that an accelerator pedal depression amount and a brake pedal depression amount of the electric vehicle are both zero; and a ...
https://drivepatents.com/patents/1010564 · 3 Aug 2011
Apparatus (or method) for estimating a gripping characteristic of a vehicle wheel of a vehicle on a ground contact surface includes first input section (or step), a second input section (or step) and an output section (or step). The first input section set...
https://drivepatents.com/patents/1093454 · 10 Sep 2003
A steering mechanism of an electric car including tandem wheel suspensions and steering means for each pair of right and left wheels is provided in order to perform a smooth turning motion. In the steering mechanism of an electric car including tandem whee...
https://drivepatents.com/patents/1104809 · 2 May 2002
A motorized vehicle (10) includes left and right electric motors (13L, 13R) mounted on a vehicle body (11) for independently rotating left and right driving wheels (15L, 15R), respectively, at variable speeds, and an actuator for causing the left and right...
https://drivepatents.com/patents/1104803 · 2 May 2002
An electric vehicle (10, 100) has left and right speed control levers (23L, 123L, 23R, 123R) provided alongside left and right grips (30L, 130L, 30R, 130R) provided at the ends of left and right control handles (25L, 112L, 25R, 112R). The electric vehicle ...