Diaphragm assembly for fluid powered diaphragm pumps

Details Diaphragm assembly for fluid powered diaphragm pumps Diaphragm assembly for fluid powered diaphragm pumps

1997-03-11

1998-03-10

Lopez, F. Daniel

Expansible chamber devices

Collapsible chamber wall portion

Wall portion formed of flexible material

92103R, F16J 302

Patent

active

057248818

ABSTRACT:
A two-piece diaphragm assembly for a fluid powered diaphragm pump is provided. The diaphragm assembly includes a key as part of a overlay diaphragm extending towards a recess in a backup diaphragm, for properly aligning the overlay diaphragm and the backup diaphragm during installation of the diaphragm assembly. The diaphragm assembly also provides an improved mechanism for attaching the inner plate of the diaphragm assembly to the outer plate of the diaphragm assembly. A method of installing a two-piece diaphragm assembly onto a fluid powered diaphragm pump is also provided.

REFERENCES:
patent: 1119082 (1914-12-01), Inmam
patent: 1806360 (1931-05-01), Moller
patent: 1819591 (1931-08-01), Carter
patent: 1965497 (1934-07-01), Johnson
patent: 3151568 (1964-10-01), Hood et al.
patent: 3781141 (1973-12-01), Schall

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