Master cylinder

Details Master cylinder Master cylinder

2008-03-12

2010-11-30

Leslie, Michael (Department: 3745)

Power plants

Pressure fluid source and motor

Pulsator

C060S588000

Reexamination Certificate

active

07841178

ABSTRACT:
A master cylinder comprising a large diameter pressurizing chamber and a small diameter hydraulic chamber, a control valve device in which a control valve body releases a hydraulic pressure in the large diameter pressurizing chamber to a reservoir side such that the hydraulic pressure in the large diameter pressurizing chamber is gradually reduced in accordance with a rise in a hydraulic pressure in the small hydraulic chamber, and a check valve device comprising a check valve chamber communicating with an relief passage, which releases a hydraulic pressure in the large diameter pressurizing chamber to the reservoir via the control valve device, and with a small diameter hydraulic chamber, respectively, and a check valve body accommodated in the check valve chamber for permitting flow of a brake fluid from the relief passage to the small hydraulic chamber, and for preventing flow of the brake fluid in a reverse direction.

REFERENCES:
patent: 5557935 (1996-09-01), Ganzel
patent: 6082831 (2000-07-01), Hageman et al.
patent: 6698202 (2004-03-01), Ogiwara et al.
patent: 6840043 (2005-01-01), Ogiwara et al.
patent: 2002-321609 (2002-11-01), None

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