Progressing cavity pump/motor

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United States of America Patent

PATENT NO 8672656
APP PUB NO 20120156078A1
SERIAL NO

12973482

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ATTORNEY / AGENT: (SPONSORED)

Importance

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Abstract

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A progressing cavity pump/motor (10) includes a stator housing (12), a polymeric layer (14), and a rotor (16). A plurality of axially extending grooves (24) are formed in the interior surface of the stator housing for receiving polymeric material therein. At least one seal gland (46) adjacent an end of the polymeric layer maintains sealing between the stator housing and the polymeric layer.

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First Claim

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Patent Owner(s)

Patent OwnerAddress
ROBBINS & MYERS ENERGY SYSTEMS L P10586 HIGHWAY 75 NORTH WILLIS TX 77378

International Classification(s)

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Guidry,, Jr Michael J Hockley, US 12 65

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