F - Mech Eng,Light,Heat,Weapons – 04 – B
Patent
F - Mech Eng,Light,Heat,Weapons
04
B
103/30, 222/5, 2
F04B 43/12 (2006.01) F04B 43/113 (2006.01) G01F 11/08 (2006.01)
Patent
CA 1068984
ABSTRACT OF THE DISCLOSURE A liquid dispensing pump is disclosed and is powerable by pressu- rized fluid intermittently applied to the pump, the pump has a pumping chamber, a pressurizing chamber, a movable member for transferring press- ure to the pumping chamber, a fluid conduit to the pressurizing chamber for applying pressure to the pump, a valve in the conduit for preventing reverse flow of fluid and an open drain in fluid communication with the pressurizing chamber; any fluid used to power the pump is exhausted out of the drain both during and after pumping.
271775
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