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Patent Searching and Data


Title:
ブレーキ装置
Document Type and Number:
Japanese Patent JP4890378
Kind Code:
B2
Abstract:
A brake apparatus includes a master cylinder hydraulically connected to a wheel cylinder, and a booster hydraulically connected between the master cylinder and the wheel cylinder. The master cylinder includes: a first pressure chamber arranged to output brake fluid in accordance with manipulation of an input device, and hydraulically connected to a wheel cylinder; and a second pressure chamber arranged to output brake fluid in accordance with the manipulation of the input device. The booster includes: a booster cylinder; a booster piston movably mounted in the booster cylinder, the booster piston dividing an internal space of the booster cylinder at least into a boost pressure chamber and a back pressure chamber, the boost pressure chamber being hydraulically connected to the wheel cylinder, the back pressure chamber being hydraulically connected to the second pressure chamber; and an electric actuator arranged to actuate the booster piston.

Inventors:
Junichi Ikeda
Application Number:
JP2007198737A
Publication Date:
March 07, 2012
Filing Date:
July 31, 2007
Export Citation:
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Assignee:
Hitachi Automotive Systems, Ltd.
International Classes:
B60T13/68; B60T8/48; B60T11/16; B60T11/22; B60T13/74; B62L3/00; B62L3/02
Domestic Patent References:
JP2002302031A
JP6056028A
JP2009507714A
JP2006306221A
JP2002145043A
JP6286589A
JP2006151180A
JP7040830A
JP4314660A
JP2007099001A
Attorney, Agent or Firm:
Masamichi Ayata