Hydraulic circuit

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United States of America Patent

PATENT NO 9243652
APP PUB NO 20140202545A1
SERIAL NO

14163049

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ATTORNEY / AGENT: (SPONSORED)

Importance

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Abstract

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A de-aeration hydraulic circuit having application in a hydromechanical transmissions utilizes a hydraulic fluid reservoir to de-aerate hydraulic fluid. The circuit includes a high pressure side and a low pressure side having a bleed down valve therebetween, the opening of the bleed down valve causing fluid to flow from the high pressure side to the low pressure side and through a valve to the hydraulic fluid reservoir where the pressure drop causes gas that is entrained in the fluid to bubble out and vent from the atmospheric reservoir.

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Patent Owner(s)

  • PARKER-HANNIFIN CORPORATION

International Classification(s)

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Block, Carl Columbiaville, US 2 1
Tesoriero, Anthony Ann Arbor, US 1 1

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