Bushing anti-rotation system and apparatus

Number of patents in Portfolio can not be more than 2000

United States of America Patent

PATENT NO 10683868
APP PUB NO 20180017066A1
SERIAL NO

15651907

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Importance

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Abstract

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A bushing anti-rotation system and apparatus. A bushing anti-rotation system includes an impeller and diffuser stage including a rotatable shaft extending longitudinally through the stage, the diffuser having an inner diameter defining a bore, a bearing set including a bushing pressed into the inner diameter, and a rotatable sleeve inward of the bushing, and means for wedging the bushing against the inner diameter of the diffuser, wherein the means for wedging provides a mechanical lock against rotation of the bushing. The means for wedging the bushing against the diffuser includes one of a key wedged between an eccentric cavity in the diffuser and a notch in the bushing, a pin protruding from the diffuser against a flattened portion of the bushing, a square-shaped bushing secured into a square-shaped bore, a bent retaining ring having a bent end that wedges against a diffuser groove wall, or a combination thereof.

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Patent Owner(s)

Patent OwnerAddress
HALLIBURTON ENERGY SERVICES INC3000 N SAM HOUSTON PARKWAY E HOUSTON TX 77032-3219

International Classification(s)

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Butler, Joseph Dean Tulsa, US 1 10
Gottschalk, Thomas John Houston, US 22 210
Kenner, John Vanderstaay Houston, US 16 147
Nowitzki, Wesley John Tulsa, US 33 253
Roberts, Randy S Tulsa, US 15 161
Webster, Joshua Wayne Owasso, US 12 42

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