Hydraulic controller arrangement

Details Hydraulic controller arrangement Hydraulic controller arrangement

2004-12-08

2009-10-20

Lazo, Thomas E (Department: 3745)

Motors: expansible chamber type

With motive fluid valve

Relatively movable serial valves

C091S517000

Reexamination Certificate

active

07603940

ABSTRACT:
What is disclosed is a hydraulic controller arrangement for the pressure medium supply of a hydraulic consumer, e.g., of the rotating gear of a mobile work machine. At low pressure medium flow rates, the pressure medium flow rate draining from the consumer is backed up by means of a drain backup valve having the form of a pressure limiting valve and throttled accordingly, so that a back pressure is generated which is capable of preventing an advance of the mass actuated by the hydraulic consumer.

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