Metering pump

Details Metering pump Metering pump

1982-07-12

1983-11-15

Gluck, Richard E.

Pumps

One fluid pumped by contact or entrainment with another

Liquid pumped by supplying or exhausting gaseous motive...

417337, 417480, 4227, 4228, F04F 102, F04B 3502, F04B 4308, E03D 902

Patent

active

044153147

ABSTRACT:
A fluid pump for location within a reservoir and which is operable with rise and fall of liquid within the reservoir. The pump comprises a tube of a resiliently deformable material, an abutment surface which is engaged by the tube and a float device which is mounted to the tube. Liquid entering the reservoir causes upward movement of the float device and such movement of the float device causes increasing engagement between the tube and the abutment surface. The increasing engagement between the tube and the abutment surface causes the tube to deform resiliently and a localized reduction in the contained volume of the tube is thereby effected to cause expulsion of fluid from the tube. Conversely, as the liquid level falls in the reservoir, the float device moves downwardly to reduce the extent of engagement between the tube and the abutment surface, so that the tube tends to resume its initial contained volume.

REFERENCES:
patent: 1010562 (1911-12-01), Woodward
patent: 2428912 (1947-10-01), Hulsberg
patent: 3048121 (1962-08-01), Sheesley
patent: 3254797 (1966-06-01), Porter
patent: 4015914 (1977-04-01), Kushner et al.
patent: 4273261 (1981-06-01), Krueger

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