Fluid pressure pump and fluid pressure system

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United States of America Patent

PATENT NO 10443584
APP PUB NO 20170175721A1
SERIAL NO

15371938

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ATTORNEY / AGENT: (SPONSORED)

Importance

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Abstract

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A fluid pressure pump and a fluid pressure system in which leakage of fluid and ablation of a cylinder block and a port plate can be prevented by pressing the cylinder block to the port plate with an appropriate pressing force. A hydraulic pump includes a cylinder block that has a cylinder chamber that may be in communication with an oil passage of a port plate and in which a piston is housed; and a cylinder block pressing means imparting, to the cylinder block, a pressing force that presses the cylinder block to the port plate. The cylinder block pressing mechanism has a changing means that changes the force that presses the cylinder block to the port plate.

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First Claim

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Patent Owner(s)

  • NABTESCO CORPORATION

International Classification(s)

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Fukui, Atsushi Gifu-ken, JP 269 2271
Maruoka, Masahiko Gifu-ken, JP 2 6

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