Pump assembly with pump chambers located radially relative to one another and connected serially

Number of patents in Portfolio can not be more than 2000

United States of America Patent

PATENT NO 11506199
APP PUB NO 20210246898A1
SERIAL NO

16784502

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ATTORNEY / AGENT: (SPONSORED)

Importance

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Abstract

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A pump assembly comprising a casing having a first pump chamber defining a first flow path and a second pump chamber or more defining a second flow path. A first pump stage includes a first shaft mounted to the casing for rotation about a rotation axis, a first pair of intermeshing gears disposed in the first flow path of the first pump chamber, the first pair of intermeshing gears interfacing each other in operative engagement, one intermeshing gear of the first pump stage mounted on the first shaft. A second pump stage includes a second shaft mounted to the casing for rotation about a rotation axis different than the rotation axis of the first shaft, a second pair of intermeshing gears disposed in the second flow path of the at least second pump chamber, the second pair of intermeshing gears interfacing each other in operative engagement, one intermeshing gear of the second pump stage mounted on the second shaft. A transmission drivingly engages the first shaft to the second shaft.

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First Claim

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Patent Owner(s)

  • PRATT & WHITNEY CANADA CORP.

International Classification(s)

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  • [Patents Count]

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Laperriere, Claude Longueuil, CA 1 0
Prunera-Usach, Stephane Montreal, CA 10 40

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