Dual lobe, split ring, variable roller vane pump

Number of patents in Portfolio can not be more than 2000

United States of America Patent

APP PUB NO 20050063854A1
SERIAL NO

10669814

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ATTORNEY / AGENT: (SPONSORED)

Importance

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Abstract

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A dual lobe, split ring, variable displacement roller vane pump is provided for supplying an aircraft engine varying amount of fuel. The pump includes a housing having an inlet and an outlet, a rotor rotatably mounted within the housing and having a plurality of slots, and a plurality of roller vane assemblies operatively mounted within the slots. The roller vane assemblies include a shoe or rocker that receives a roller. The rocker is mounted for pivoting movement in the slot whereby large bearing surfaces carry the load. Moreover, the pivoting design of the roller vane assembly provides for a substantial contribution from under vane pump flow.

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First Claim

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Patent Owner(s)

Patent OwnerAddress
ARGO-TECH CORPORATION23555 EUCLID AVENUE CLEVELAND OH 44117

International Classification(s)

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Miller, E Kent West Chester, OH 7 250
Nyzen, Robert Chardon, OH 7 33

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