Diaphragm pump

Details Diaphragm pump Diaphragm pump

1984-02-01

1985-01-08

Smith, Leonard E.

Pumps

Motor driven

Fluid motor

92 92, F04B 4308

Patent

active

044925352

ABSTRACT:
A diaphragm pump especially for pumping viscous and abrasive materials including a spherical housing, the inner portion of which defines a pumping chamber together with a cylindrical hose membrane activated by a pulsating medium. One or more hose membranes surround a support pipe having a circular cross section to prevent compressive strain on the membranes during pumping by deformation of the membrane in the inward direction. In an alternative embodiment, a modulated support tube is provided to permit the diaphragm to flap into the indentations of the support tube in a manner neutral to longitudinal extension. Support rings are provided which permit symmetrical arching of the hose diaphragm during the compression stroke.

REFERENCES:
patent: 313383 (1805-03-01), Booth
patent: 1832259 (1931-11-01), Stephens
patent: 2092629 (1937-09-01), Allen
patent: 2105067 (1938-01-01), Allen
patent: 3007416 (1961-11-01), Childs
patent: 3062153 (1962-11-01), Losey
patent: 3335666 (1967-08-01), Czarnecki

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