Diaphragm pumps driven by pulse pistons

Details Diaphragm pumps driven by pulse pistons Diaphragm pumps driven by pulse pistons

1975-04-08

1977-05-03

Croyle, Carlton R.

Pumps

Motor driven

Fluid motor

417383, 417395, 92 98R, F04B 910, F04B 3502

Patent

active

040211576

ABSTRACT:
A diaphragm pump having a pump chamber divided into two portions by a diaphragm of elastomeric material which is generally of hemispherical shape and clamped at its periphery in the pump chamber. The portion of the chamber including the interior of the diaphragm communicates with a cylinder in which a piston is reciprocated by rotation of a drive shaft. The pump chamber includes inlet and outlet non-return valves for the fluid to be pumped, is detachable as a unit from a housing containing the piston and cylinder and is positioned below a normally horizontal plane containing the axes of the cylinder and drive shaft.

REFERENCES:
patent: 1528097 (1925-03-01), Cooper
patent: 2129828 (1938-09-01), Dunn
patent: 2304992 (1942-12-01), Foster
patent: 2339876 (1944-01-01), Phillips
patent: 2612837 (1952-10-01), Midgette
patent: 2740259 (1956-04-01), Westlund
patent: 2871789 (1959-02-01), Kiffer et al.
patent: 2948223 (1960-08-01), Mashinter
patent: 3218978 (1965-11-01), Kalert
patent: 3351088 (1967-11-01), Jensen
patent: 3496874 (1970-02-01), Findley
patent: 3640647 (1972-02-01), Hart
patent: 3680981 (1972-08-01), Wagner

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