Radial piston pump

Number of patents in Portfolio can not be more than 2000

United States of America Patent

PATENT NO 4257750
SERIAL NO

06030137

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ATTORNEY / AGENT: (SPONSORED)

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Abstract

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The radial pump preferably for use in connection with a hydraulic clamping device includes a plurality of pumping elements enclosed in a housing and cooperating with a corresponding pluraity of discharge valves. A multiway control valve controls the delivery of pressure fluid to a load port in such a manner that during the actuation of the load the outlet of all discharge valves are united to deliver the entire flow of pressure fluid into the load port, whereas when the load is maintained under a constant pressure, only one pumping element delivers discharged fluid via a single discharge valve into the load port and the remaining pumping elements deliver their output into the reservoir.

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Patent Owner(s)

  • G. L. REXROTH GMBH

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Dantlgraber, Jorg Lohr, DE 44 334
Fischer, Horst Herne, DE 44 402
Kramer, Horst Lohr, DE 26 156

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