Water well pump cylinder components

Details Water well pump cylinder components Water well pump cylinder components

1996-03-11

1997-04-08

Thorpe, Timothy

Pumps

Expansible chamber type

Valved piston

4175551, 4175552, 92242, F04B 4712, F04B 5314

Patent

active

056181698

ABSTRACT:
Water well pump plunger efficiency is improved by providing a pair of upwardly open outwardly flared wall cups surrounding a pump plunger and supported in superposed relation by a sleeve in the lowermost cup. A fluid passageway through the base of the uppermost cup insures filling the lowermost cup on the plunger upstroke.

REFERENCES:
patent: 430919 (1890-06-01), Campbell
patent: 1039496 (1912-08-01), Daniels
patent: 1497541 (1924-06-01), Camblin
patent: 2065051 (1936-12-01), Carr et al.
patent: 2074591 (1937-03-01), Rood
patent: 2236210 (1941-03-01), Foggan
patent: 2527929 (1950-10-01), Hebard
patent: 2583111 (1952-01-01), Mardis
patent: 2633808 (1953-04-01), Webber
patent: 3075474 (1963-01-01), Kelley

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