Pump having a main outlet communicating with a secondary outlet by a gap

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United States of America Patent

PATENT NO 6419469
SERIAL NO

09666480

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Abstract

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A pump has meshing inner and outer rotors mounted eccentrically in a housing. The pump also has an inlet and a main outlet. The main outlet communicates via a control gap with a secondary outlet. The control gap provides a filtering action for some of the fluid pumped.

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Patent Owner(s)

Patent OwnerAddress
WOP INDUSTRIA E COMERCIO DE BOMBAS LTDAAVENIDA FUKUICHI NAKATA 381-PIRAPORINHA DIADEMA STATE OF SAO PAULO 09950-400

International Classification(s)

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Goodall, Nigel John Kent, GB 1 4
Rowe, Michael David Kent, GB 7 130
Shulver, David Robert Kent, GB 1 4

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