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Title:
HYDRAULIC CONTROL APPARATUS AND BRAKE SYSTEM
Document Type and Number:
WIPO Patent Application WO/2018/116794
Kind Code:
A1
Abstract:
Provided are a hydraulic control apparatus and a brake system such that it is possible to ensure pedal strokes even if opening of a stroke simulator valve is disabled. This hydraulic control apparatus comprises: a connection fluid path which connects a master cylinder and a wheel cylinder; a shutoff valve which is disposed in the connection fluid path; a hydraulic source which discharges brake fluid further towards the wheel cylinder side than the shutoff valve in the connection fluid path; a positive-pressure-side first communication path which connects the positive pressure chamber of the stroke simulator and the master cylinder; a back-pressure-side first communication path which connects the back pressure chamber of the stroke simulator and the suction side of the hydraulic source; a stroke simulator valve which is disposed in the back-pressure-side first communication path; a second communication path which has one end connected to the positive pressure chamber or the back pressure chamber and the other end connected to the suction side of the hydraulic source; and a stroke valve which is disposed in the second communication path.

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Inventors:
KAWAKAMI TAKAHIRO (JP)
NAKAZAWA CHIHARU (JP)
Application Number:
JP2017/043427
Publication Date:
June 28, 2018
Filing Date:
December 04, 2017
Export Citation:
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Assignee:
HITACHI AUTOMOTIVE SYSTEMS LTD (JP)
International Classes:
B60T8/48; B60T8/17; B60T13/122; B60T13/68; B60T17/18
Domestic Patent References:
WO2015162744A12015-10-29
Foreign References:
JP2012001069A2012-01-05
Attorney, Agent or Firm:
ONO, Shinjiro et al. (JP)
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