Hydraulic control circuit

Land vehicles – Wheeled – Running gear

Reexamination Certificate

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Details

C280S124106, C280S005506, C280S124161

Reexamination Certificate

active

07735846

ABSTRACT:
A hydraulic control circuit (100) comprises a source (180) of fluid pressure having a fluid inlet (201) and a fluid outlet (202); a fluid reservoir (181) fluidly connected to the fluid inlet of the pressure source; an attenuation means (111) having a fluid inlet (203) fluidly connected to the fluid outlet of the pressure source, and a fluid outlet (204); a pressure control valve (199) fluidly connected to the fluid inlet of the attenuation means and to the fluid reservoir or the fluid inlet of the pressure source; and one or more valves (82-84) fluidly connected to the fluid outlet of the attenuation means.

REFERENCES:
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patent: 5492451 (1996-02-01), Franz et al.
patent: 6179310 (2001-01-01), Clare et al.
patent: 6206383 (2001-03-01), Burdock
patent: 6520510 (2003-02-01), Germain et al.
patent: 6533294 (2003-03-01), Germain et al.
patent: 6634445 (2003-10-01), Dix et al.
patent: 6663114 (2003-12-01), Lamela et al.
patent: 7293780 (2007-11-01), Germain et al.
patent: 2009/0115147 (2009-05-01), Zuurbier et al.
patent: 2775024 (1998-08-01), None
patent: WO2005/108128 (2005-11-01), None

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