Pulsation-free positive displacement rotary pump

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United States of America Patent

PATENT NO 9970436
SERIAL NO

14403117

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Abstract

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A pump having two pistons placed in a rotor, situated in a stator forming two opposite parallel eccentric pumping chambers having at least one inlet port through which the fluid is drawn into at least one of the pumping chambers during the filling movement of at least one of the pistons and, subsequently, expelled from at least one of the pumping chambers, during the emptying movement of at least one of the pistons, to at least one outlet port, characterized by an inlet cavity in connection with the inlet port, an outlet cavity in connection with the outlet port and two port changeover transition zones situated between each side of the cavities.

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Patent Owner(s)

Patent OwnerAddress
SWISSINNOV PRODUCT SARL1196 GLAND

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Junod, Florent Veigy Foncenex, FR 15 108
Navarro, Thierry Gland, CH 11 77

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