Fluid-pressure and analogous brake systems – Multiple systems – Fluid pressure and electric
Patent
1992-12-07
1995-03-21
Graham, Matthew C.
Fluid-pressure and analogous brake systems
Multiple systems
Fluid pressure and electric
180 651, 180165, 188156, 188159, 303 15, B60L 724
Patent
active
053990005
ABSTRACT:
In a brake system in an electric vehicle comprising a follower wheel capable of being hydraulically braked by the operation of a brake operating element, and a driving wheel connected to and driven by a motor using a battery as an energy source and capable of being hydraulically braked and regeneratively braked by the operation of the brake operating element, the regenerative braking force for the driving wheel exceeds a theoretic distribution characteristic of the braking forces for the follower and driving wheels at least during an initial braking. Thus, it is possible to sufficiently perform the recovery of the kinetic energy of the vehicle by the regenerative braking to increase the possible travel distance of the vehicle. In addition, at least during an initial braking, the hydraulic braking of the driving wheel and the hydraulic braking of the follower wheel are inhibited, and substantially only the regenerative braking of the driving wheel is performed. Thus, it is possible to recover the kinetic energy of the vehicle without consumption thereof by the hydraulic braking to increase the possible travel distance of the vehicle.
REFERENCES:
patent: 3621929 (1971-11-01), Oberthur et al.
patent: 4181366 (1980-01-01), Dobner
patent: 4270806 (1981-06-01), Venkataperumal
patent: 4962969 (1990-10-01), Davis
patent: 5024489 (1991-06-01), Tanaka et al.
Aoki Yasushi
Asanuma Nobuyoshi
Ohba Takeshi
Ohno Atsuo
Graham Matthew C.
Honda Giken Kogyo Kabushiki Kaisha
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