F - Mech Eng,Light,Heat,Weapons – 04 – B
Patent
F - Mech Eng,Light,Heat,Weapons
04
B
F04B 47/08 (2006.01) E21B 34/06 (2006.01) E21B 34/10 (2006.01) E21B 43/12 (2006.01) F04B 53/10 (2006.01) F04F 1/08 (2006.01)
Patent
CA 2425604
The present invention generally provides a gas operated pump (30) having a removable and insertable valve (300, 500, 700). In one aspect, the invention includes a pump housing having a fluid path (325) for pressurized gas and a second fluid path (420) for vent or exhaust gas. The fluid paths are completed when the valve is inserted into a longitudinal bore formed in the housing.
La présente invention concerne une pompe à gaz comportant une vanne pouvant être retirée et insérée. Dans un mode de réalisation, ladite pompe comporte un carter de pompe présentant un circuit fluidique destiné au gaz pressurisé et un deuxième circuit fluidique destiné au gaz d'échappement. Lesdits circuits fluidiques sont réalisés lorsque la vanne est insérée dans un perçage longitudinal pratiqué dans le carter.
Marks & Clerk
Weatherford/lamb Inc.
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