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US 5,399,000 AGranted
Brake system in electric vehicle
AssigneeHonda Giken Kogyo Kabushiki Kaisha
InventorsYasushi Aoki, Nobuyoshi Asanuma, Takeshi Ohba, Atsuo Ohno
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AssigneeHonda Giken Kogyo Kabushiki Kaisha
InventorsYasushi Aoki, Nobuyoshi Asanuma, Takeshi Ohba, Atsuo Ohno
Estimating the term…
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.
A brake system in an electric vehicle having 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 said brake operating element, wherein at least during an initial braking, a regenerative braking force for the driving wheel is set to exceed an ideal theoretical distribution characteristic curve of braking forces between the follower and driving wheels.
Apparatus for braking an electric vehicle, comprising
A brake system in an electric vehicle having 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 both hydraulically braked and regeneratively braked by the operation of said brake operating element, wherein at least during an initial operation of said brake operating element for braking the vehicle, the hydraulic braking of the driving wheel and a hydraulic braking of the follower wheel are suppressed, and substantially only a regenerative braking of the driving wheel is performed, and further wherein the system further comprises first means for conducting a hydraulic braking of both the driving wheel and the follower wheel, second means for conducting a regenerative braking of the driving wheel, means for operating in a first braking mode in which said first means is enabled and said second means is disabled, and means for operating in another braking mode in which said first means is disabled and said second means is enabled.
Dependencies are inferred from the claim text.