Motor vehicles – Having four wheels driven – Including pump and fluid motor – or generator and electric...
Patent
1998-04-28
1999-08-24
Butler, Douglas C.
Motor vehicles
Having four wheels driven
Including pump and fluid motor, or generator and electric...
180243, 180305, 180308, 280 5506, 280 551, 267186, B60K 17356
Patent
active
059413344
ABSTRACT:
A left hydraulic pump connected to a left wheel and a right hydraulic pump connected to a right wheel of a vehicle are connected by a first oil passage and a second oil passage to constitute a closed circuit, and first and second variable throttle valves are provided between the first and second oil passages and the tank. Either one of the first and second variable throttle valves is throttled to cause the first and second hydraulic pumps to produce a braking force and a driving force, respectively, thereby controlling a yaw moment. At the same time, when either one of left and right wheel suspensions expands, the roll rigidity of the vehicle increases or decreases to vary the cornering forces of the wheels, thereby producing a yaw moment which assists in the yaw moment produced by the first and second hydraulic pumps.
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Butler Douglas C.
Honda Giken Kogyo Kabushiki Kaisha
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