System for controlling a hydraulic variable-displacement pump

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United States of America Patent

SERIAL NO

10911166

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Abstract

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In the case of a system for controlling a hydraulic variable displacement pump, the latter is acted upon in the direction of increasingly pump capacity over an energy storage system and, in the opposite direction, over a hydraulic adjusting device, the adjustment of the variable displacement pump being controlled over a flow regulator, which is constructed especially as a restrictor and the passable cross section of which is variable and which is located in the connection between the adjusting device and the reservoir, and which, for the sudden increase in the pump capacity of the variable displacement pump, opens up a drainage cross section to the reservoir, over which cross section an almost loss-free drainage of the pressure medium, displaced by the admission over the energy storage system, is possible.

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Patent Owner(s)

Patent OwnerAddress
ZF LENKSYSTEME GMBH73527 SCHWÄBISCH GMÜND

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Schmid, Johannes Schwaebisch Gmuend, DE 111 667

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