Liquid dispensing pump

Details Liquid dispensing pump Liquid dispensing pump

1976-12-02

1978-10-17

Reeves, Robert B.

Dispensing

Plural sources, compartment, containers and/or spaced jacket

Measured discharge from one and indeterminate flow from another

222207, 222334, B67D 556, G01F 1108

Patent

active

041204247

ABSTRACT:
A liquid dispensing pump is disclosed and is powerable by pressurized fluid intermittently applied to the pump, the pump has a pumping chamber, a pressurizing chamber, a movable member for transferring pressure 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.

REFERENCES:
patent: 2585172 (1952-02-01), Reynolds
patent: 2665825 (1954-01-01), Poitras et al.
patent: 3288332 (1966-11-01), Etter et al.
patent: 3884391 (1975-05-01), Pauliukonis

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