Method and apparatus for metering liquids

Details Method and apparatus for metering liquids Method and apparatus for metering liquids

1981-07-07

1984-07-31

Look, Edward K.

Pumps

Processes

Of pumping one fluid by contact or entrainment with another

123531, 417 86, 417145, F04F 106

Patent

active

044627602

ABSTRACT:
A method and apparatus for delivering metered quantities of liquid wherein the liquid is circulated through a chamber to fill the chamber with liquid and circulation is temporarily terminated with the chamber filled with liquid. While circulation is terminated gas under pressure is admitted to the chamber to displace liquid therefrom through a discharge port. The quantity of liquid displaced is controlled by regulating the volume of the chamber and/or by regulating the relative disposition in the chamber of the point of entry of the gas and point of discharge of the liquid.

REFERENCES:
patent: 638626 (1899-12-01), Cummings
patent: 1122770 (1914-12-01), Lake
patent: 2047167 (1936-07-01), Heller
patent: 2739643 (1956-03-01), Voit et al.
patent: 2761615 (1956-09-01), Prince
patent: 3161144 (1964-12-01), Hugentobler
patent: 3556682 (1971-01-01), Sakamoto et al.
patent: 3873238 (1975-03-01), Elfarr
patent: 3970063 (1976-07-01), Mayr et al.
patent: 4037992 (1977-07-01), Uchida et al.
patent: 4211518 (1980-07-01), Kortenbusch

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