Downhole motors and pumps with asymmetric lobes

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United States of America Patent

PATENT NO 8888474
SERIAL NO

13227954

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ATTORNEY / AGENT: (SPONSORED)

Importance

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Abstract

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In an aspect, the disclosure provides an apparatus for use downhole. In one aspect the apparatus includes a rotor with lobes disposed in stator with lobes, wherein at least one of the contours of the rotor lobe and the contour of the stator lobe is asymmetric.

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Patent Owner(s)

Patent OwnerAddress
BAKER HUGHES INCORPORATED2929 ALLEN PARKWAY SUITE 2100 HOUSTON TX 77019-2118

International Classification(s)

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Grimmer, Harald Niedersachsen, DE 33 1029
Hohl, Carsten Hannover, DE 12 79

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