Fluid-pressure and analogous brake systems – Multiple systems – Fluid pressure and electric
Patent
1992-12-07
1994-06-07
Butler, Douglas C.
Fluid-pressure and analogous brake systems
Multiple systems
Fluid pressure and electric
180 651, 180165, 188156, 477188, 477203, B60T 1374
Patent
active
053183550
ABSTRACT:
The switchover is mode from a regenerative braking-preference mode in which the braking force for follower and driving wheels are more than a theoretical braking force distribution characteristic for follower and driving wheels, to a usual mode in which a braking force distribution characteristic thereof corresponds to the theoretical braking force distribution characteristic, is carried along an equal braking force line which is the sum of the braking forces for the follower and driving wheels. Thus, the sum total of the braking forces over the entire vehicle is kept constant even if the distribution of the braking forces for the follower and driving wheels is varied and therefore, a smooth braking is possible without a degradation of the steering stability. In addition, the switchover in mode from the regenerative-preference mode to the usual mode is carried out when the time-differentiation value of a wheel speed of the follower wheel or the driving wheel exceeds a predetermined value. Thus, when the friction coefficient of a road surface is large so that a small locking tendency of a wheel may be produced during braking, the regenerative braking-preference mode can be selected, thereby increasing the effect of recovery of energy by the regenerative braking.
REFERENCES:
patent: 3621929 (1971-11-01), Oberthur et al.
patent: 4962969 (1990-10-01), Davis
patent: 5148883 (1992-09-01), Tanaka et al.
Aoki Yasushi
Asanuma Nobuyoshi
Ohba Takeshi
Ohno Atsuo
Butler Douglas C.
Honda Giken Kogyo Kabushiki Kaisha
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