Double acting fluid pump

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United States of America Patent

PATENT NO 8550794
SERIAL NO

12852844

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Abstract

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A double acting dual stroke fluid pump with pressure assists is disclosed. First and second pistons are mounted to a common shaft which reciprocates within first and second cavities during compression and suction strokes. The second piston may have a one way valve which opens and closes during the compression and suction strokes to enable the fluid pump to force fluid out of the outlet during both the compression and suction strokes.

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Patent Owner(s)

Patent OwnerAddress
PROVIDENCE ENTERPRISE LIMITEDSAI LAO KOK ROAD UNIT 13-15 GRAND CITY PLAZA TSUEN WAN N T

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Du, Benjamin R Newport Coast, US 25 603

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