Title:
MASTER CYLINDER APPARATUS
Document Type and Number:
WIPO Patent Application WO/2014/072779
Kind Code:
A3
Abstract:
A master cylinder apparatus includes: an input piston that can be moved forward by operating a brake operating member; a pressure piston that is provided in front of the input piston to be capable of moving relative to the input piston;, and a stroke velocity ratio modification device that is capable of modifying a stroke velocity ratio, which is a ratio between a stroke velocity of the pressure piston and a stroke velocity of the input piston, in at least two stages while the input piston moves from a rear end portion position to a front end portion position, and that sets the stroke velocity ratio at 1 when an abnormality occurs - in the master cylinder apparatus.
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Inventors:
ISONO HIROSHI (JP)
Application Number:
PCT/IB2013/002318
Publication Date:
November 13, 2014
Filing Date:
October 17, 2013
Export Citation:
Assignee:
TOYOTA MOTOR CO LTD (JP)
ISONO HIROSHI (JP)
ISONO HIROSHI (JP)
International Classes:
B60T13/14; B60T11/224; B60T13/68
Foreign References:
| DE102009033499A1 | 2010-01-21 | |||
| DE102011085986A1 | 2012-07-05 | |||
| US20110285199A1 | 2011-11-24 | |||
| US20110259004A1 | 2011-10-27 |
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