Diaphragm pump with pressure chamber having a ribbed wall

Details Diaphragm pump with pressure chamber having a ribbed wall Diaphragm pump with pressure chamber having a ribbed wall

1987-11-30

1989-04-04

Smith, Leonard E.

Expansible chamber devices

Collapsible chamber wall portion

Wall portion formed of flexible material

921692, 417393, 417395, F04B 4306

Patent

active

048175030

ABSTRACT:
A pressure chamber of a diaphragm pump having an outer chamber improved so that it is free from stress concentration. The inner wall surface of the pressure chamber is recessed in a mero-spherical shape. In order to support this chamber wall from its rear side, an outer ring rib is provided along the outermost periphery of the outer surface of the chamber, and an inner ring rib is circumferentially disposed at the inner side of the outer ring rib. Further, radial ribs are provided so as to connect together the outer and inner ring ribs in the radial direction.

REFERENCES:
patent: 2364111 (1944-12-01), Tucker
patent: 2625886 (1953-01-01), Browne
patent: 4252510 (1981-02-01), Bromley
patent: 4500264 (1985-02-01), Lindner
Sandpiper Air Powered Double Diaphragm Pumps; The Warren Rupp Company, Mansfield, Ohio 1981.

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