Title:
ANTI-SKID CONTROLLER
Document Type and Number:
Japanese Patent JPS63291754
Kind Code:
A
Abstract:
PURPOSE:To prevent the increase in the dead stroke of the master cylinder of a device in which a valve for preventing the fluid movement from a pump to the master cylinder side is arranged between an accumulator and the master cylinder by providing a limit valve in the master cylinder side of the valve. CONSTITUTION:A limit valve 5, valve 6, accumulator 11 and directional control valve 7 are provided in a main line 4 between a master cylinder 2 and wheel cylinder 3. And a return line 8 for bypassing them is provided, and a check valve 9 of which injection valve opening pressure is low is arranged in the middle of the return line 8. Between the valve 6 and directional control valve 7 is a release circuit 10 arranged, where a low pressure reservoir 13 and a pump 15 driven by a electric motor 14 in order letting the side of the directional control valve 7 be the down stream side. And the limit valve 5 is structured in such a way that the fluid movement from the side of the master cylinder 2 to the side of the valve 6 in specified value higher than the preset pressure in acting so as to prevent the fluid movement from the pump 15 of the valve 6 to the side of the master cylinder 2 is limited.
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Inventors:
MAEHARA KATSUMI
Application Number:
JP12388287A
Publication Date:
November 29, 1988
Filing Date:
May 22, 1987
Export Citation:
Assignee:
NIPPON ABS LTD
International Classes:
B60T8/48; B60T8/1761; (IPC1-7): B60T8/48
Attorney, Agent or Firm:
Kobayashi Den
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