Brake Control Apparatus and Brake System
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United States of America Patent
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app pub date -
May 19, 2016
filing date -
Jul 7, 2015
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Abstract
Provided is a brake control apparatus and a brake system capable of improving reliability of a performance of holding a hydraulic pressure in a wheel cylinder. A brake control apparatus includes a first valve provided in a first oil passage connecting a hydraulic source configured to supply brake fluid to a wheel cylinder and the wheel cylinder to each other, a return flow oil passage connected to the first oil passage between the hydraulic source and the first valve and configured to return the brake fluid supplied from the hydraulic source to a low-pressure portion, a pressure adjustment valve provided in the return flow oil passage and configured to adjust a brake hydraulic pressure in the first oil passage, and a hydraulic holding portion configured to hold a hydraulic pressure in the wheel cylinder set by a brake hydraulic pressure supplied from the hydraulic source to the wheel cylinder by activating the pressure adjustment valve and the first valve in respective valve-closing directions.
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