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The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.

The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.

Patent No.:

US 10196049 B1

PDFFull Text
Date of Patent:
Feb. 05, 2019

Filed:

Nov. 16, 2015

Hydraulic brake system

Applicants:

Toyota Jidosha Kabushiki Kaisha, Toyota-shi, Aichi, JP;

Advics Co., Ltd., Kariya, Aichi, JP;

Inventors:

Hiroshi Nakaoka, Okazaki, JP;

Kiyoyuki Uchida, Kounan, JP;

Masaki Maruyama, Nagoya, JP;

Assignees:

TOYOTA JIDOSHA KABUSHIKI KAISHA, Toyota, JP;

ADVICS CO., LTD., Kariya, JP;

Attorney:

Oliff PLC

Primary Examiner:

Bradley T King

Assistant Examiner:

Mahbubur Rashid

Int. Cl.
CPC ...
B60T 8/32 (2006.01); B60T 8/18 (2006.01); B60T 8/17 (2006.01); B60T 13/74 (2006.01); B60T 15/36 (2006.01); B60T 8/1755 (2006.01); B60T 13/14 (2006.01); B60T 15/02 (2006.01); B60T 8/40 (2006.01);
U.S. Cl.
CPC ...
B60T 8/1831 (2013.01); B60T 8/17 (2013.01); B60T 8/17555 (2013.01); B60T 8/4077 (2013.01); B60T 13/142 (2013.01); B60T 13/74 (2013.01); B60T 15/028 (2013.01); B60T 15/36 (2013.01); B60T 2270/60 (2013.01);
Abstract

A hydraulic brake system, including: a brake operation member; a brake device; a master cylinder; a communication switching valve; a low-pressure-source shut-off valve; a high-pressure source; a regulator; a pressure adjuster; and a controller, wherein, when a pressurizing state of the master cylinder is switched from a first pressurizing state to a second pressurizing state after initiation of an operation on the brake operation member, the controller executes a pressurizing-state switching control in which switching of a state of the low-pressure-source shut-off valve from an open state to a closed state and switching of a state of the communication switching valve from a closed state to an open state are carried out after a pressure-regulating state of the regulator has been switched from a first pressure-regulating state to a second pressure-regulating state by controlling the pressure adjuster to increase a second pilot pressure while the first pressurizing state is maintained.

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