Power plants – Pressure fluid source and motor – Apparatus having means responsive to or ameliorating the...
Reexamination Certificate
2003-09-18
2008-07-15
Lopez, F. Daniel (Department: 3745)
Power plants
Pressure fluid source and motor
Apparatus having means responsive to or ameliorating the...
C091S445000
Reexamination Certificate
active
07398646
ABSTRACT:
A hydraulic stabilizing device for vehicles having an actuator which can be acted on in opposite directions comprises a switching device, which is formed by a directional control valve, and, in series with the switching device, a switching apparatus, which is formed by two separate directional control valves which are connected in parallel and correspondingly have a blocking position and different pass-through positions.
REFERENCES:
patent: 2804883 (1957-09-01), Curlett
patent: 3369464 (1968-02-01), Blattry
patent: 5060968 (1991-10-01), Edahiro et al.
patent: 196 29 582 (1998-01-01), None
patent: WO 9826948 (1998-06-01), None
Koch Norbert
Schulz Walter
Collard & Roe P.C.
Daimler AG
Lopez F. Daniel
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