Check valve pump with electric bypass valve

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United States of America Patent

PATENT NO 8469677
SERIAL NO

11865243

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Importance

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Abstract

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A hydraulic power unit having a power shaft that rotates a cam. The cam actuates a piston assembly that contains a plurality of pistons wherein each piston has a piston body and fluid working chamber. An electrically actuated bypass valve is fluidly connected and in communication between an outlet check valve and a fluid working chamber of each piston such that when actuated the electrically actuated bypass valve directs fluid away from the outlet port into a reservoir to be returned to an inlet port.

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Patent Owner(s)

  • DANFOSS POWER SOLUTIONS INC.

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Gandrud, Michael D Ames, US 23 252

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