Fluid-pressure and analogous brake systems – Speed-controlled – Having a valve system responsive to a wheel lock signal
Reexamination Certificate
2006-01-17
2006-01-17
Torres, Melanie (Department: 3683)
Fluid-pressure and analogous brake systems
Speed-controlled
Having a valve system responsive to a wheel lock signal
C303S015000, C303S011000, C303S116200
Reexamination Certificate
active
06986555
ABSTRACT:
A vehicle brake control system includes an electric fluid pump that, upon energization thereof, pumps brake fluid from a reservoir to a brake circuit at a position upstream of a pressure control valve, an inlet circuit connecting the inlet opening of the pump to a master cylinder, an inside gate valve installed in the inlet circuit, and a control unit that controls the pressure control valve, the inlet gate valve and the electric fluid pump and carries out a predetermined brake control to adjust the hydraulic pressure of the wheel cylinder by operating the pressure control valve. The control unit is configured to carry out a flow back control after completion of the predetermined brake control. The flow back control is a control wherein the inside gate valve is kept open having the electric fluid pump kept de-energized.
REFERENCES:
patent: 6079799 (2000-06-01), Sawada et al.
patent: 6168245 (2001-01-01), Siegel et al.
patent: 6195995 (2001-03-01), Bartsch
patent: 6199958 (2001-03-01), Baechle
patent: 6347843 (2002-02-01), Murayama et al.
patent: 6702402 (2004-03-01), Sawada et al.
patent: 9-226555 (1997-09-01), None
Imamura Masamichi
Inoue Gen
Inoue Yukihiko
Nakazawa Chiharu
Foley & Lardner LLP
Hitachi , Ltd.
Torres Melanie
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