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Patent Searching and Data


Title:
VEHICLE BRAKE DEVICE
Document Type and Number:
WIPO Patent Application WO/2019/088296
Kind Code:
A1
Abstract:
A vehicle brake device according to the present invention is provided with a stroke simulator 21 which has a cylinder 211, a piston 212, an orifice 91 formed in an oil path 164, and a pressure sensor 73 that detects reaction pressure which is liquid pressure of a brake liquid supplied to a reaction chamber 214 in a part on the supply-direction upstream side of the orifice 91 in the oil path 164. This vehicle brake device is provided with: a stroke sensor 71 that detects a stroke; and a brake start determination unit 62 that determines that an operation of a brake operation member 10 has been started when the reaction pressure detected by the pressure sensor 73 becomes equal to or greater than a first threshold value, and the stroke detected by the stroke sensor 71 becomes equal to or greater than a second threshold value.

Inventors:
KOBAYASHI TATSUSHI (JP)
ASANO TOMOTAKA (JP)
ISHIDA YASUHITO (JP)
ENDO RYOSUKE (JP)
YAMAMOTO TAKAYUKI (JP)
Application Number:
JP2018/041113
Publication Date:
May 09, 2019
Filing Date:
November 06, 2018
Export Citation:
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Assignee:
ADVICS CO LTD (JP)
International Classes:
B60T8/171; B60T8/17; B60T13/122; B60T13/128; B60T13/68
Foreign References:
JP2000335402A2000-12-05
JP2004136731A2004-05-13
JP2004142654A2004-05-20
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