Diaphragm piston assembly

Details Diaphragm piston assembly Diaphragm piston assembly

1988-09-13

1990-04-10

Garrett, Robert E.

Expansible chamber devices

Collapsible chamber wall portion

Wall portion formed of flexible material

92 96, 92100, F01B 1900, F16J 300

Patent

active

049150189

ABSTRACT:
A diaphragm piston assembly in which an annular ring member is provided, preferably at the outer clamping periphery of the diaphragm between the underside of the diaphragm and body, to exert a force on the diaphragm in the direction of the cover that clamps the diaphragm to the body, thereby encouraging the diaphragm convolution to assume a disposition in a preferred direction corresponding to the direction in which the convolution is predisposed by the inherent "spring effect" of the diaphragm.

REFERENCES:
patent: 1964745 (1934-07-01), Sauzedde
patent: 2371632 (1945-03-01), Lippincott
patent: 2742785 (1956-04-01), St. Clair
patent: 2913007 (1959-11-01), Morrison
patent: 3168907 (1965-02-01), Mercier et al.
patent: 4304390 (1981-12-01), Kawabata et al.

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