Fluid-pressure and analogous brake systems – Multiple systems – Fluid pressure and electric
Patent
1989-10-20
1991-09-24
Graham, Matthew C.
Fluid-pressure and analogous brake systems
Multiple systems
Fluid pressure and electric
180165, 303100, 36442604, B60T 110, B60T 800
Patent
active
050509365
ABSTRACT:
A regenerative braking system for a car in which overall braking torque required for a pump/motor is determined and the pump/motor is controlled to have its maximum pumping capacity. An electromagnetic proportional air control valve is used to supplement the short capacity when the pumping capacity for the overall braking torque exceeds the maximum capacity and a brake pedal is operated. The control valve is exclusively used for conventional braking in response to the position of the brake pedal when the car speed is below a predetermined low speed.
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patent: 4757449 (1988-07-01), Kurihara et al.
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Shima Takashi
Tanaka Koji
Graham Matthew C.
Isuzu Motors Limited
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