Assemblies for a hydraulic gear pump with force balance and internal cooling features

Number of patents in Portfolio can not be more than 2000

United States of America

PATENT NO 12180961
APP PUB NO 20240183354A1
SERIAL NO

18550146

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ATTORNEY / AGENT: (SPONSORED)

Importance

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Abstract

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An example gear pump includes a pump housing having a pump housing channel and an arcuate groove disposed in an interior surface of the pump housing; a pump ring gear disposed within the pump housing and rotatable relative to the pump housing; a pump pinion disposed within the pump ring gear, such that teeth of the pump pinion engage with internal teeth of the pump ring gear; and a pump port block having a first port and a second port, wherein as the pump pinion rotates within the pump ring gear, fluid is drawn through the first port and provided to the second port for discharge, wherein a portion of fluid being provided to the second port is provided to the pump housing channel, wherein fluid from the pump housing channel is provided to the arcuate groove to apply a radially-inward force on the pump ring gear.

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Patent Owner(s)

Patent OwnerAddress
PARKER-HANNIFIN CORPORATION6035 PARKLAND BOULEVARD CLEVELAND OH 44124

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Chu, Yu-Sen Westlake, US 7 37
Kalidindi, Satish Kumar Raju Mayfield Heights, US 8 2
Zhang, Hao Twinsburg, US 1170 5565

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