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US 2006/0152076 A1Published application
Vehicle brake device
AssigneeHonda Motor Co., Ltd.
InventorsHiromi Inagaki, Yasuhiro Arikawa, Hidetoshi Kobori
Life of this patent
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Abstract
Normally opened control valves 5A, 5B are configured into short-time rating valves, and normally opened opening/closing valves 4A, 4B, which are electrically controlled to open and close and are configured into long-time rating valves, are connected in series to the normally opened control valves 5A, 5B between a fluid pressure generating unit M and wheel brakes 8A to 8D.
Claims4
A vehicle brake device comprising:
- a fluid pressure generating unit which generates fluid pressure in accordance with an operation amount;
- a wheel brake mounted on a road wheel;
- a normally opened control valve interposed between the fluid pressure generating unit and the wheel brake, and configured into a short-time rating valve, the normally opened control valve being electrically controlled in such a manner as to change over between a fully opened state and a fully closed state and also to obtain a half opened state between the fully opened and the fully closed states;
- a normally opened opening/closing valve electrically controlled to open and close, and configured into long-time rating valve,
- wherein the normally opened opening/closing valve is connected to the normally opened control valve in series between the fluid pressure generating unit and the wheel brake.
2 more elements
Dependencies are inferred from the claim text.