Expansible chamber devices – Collapsible chamber wall portion – Wall portion formed of flexible material
Patent
1978-05-01
1980-11-04
Hershkovitz, Abraham
Expansible chamber devices
Collapsible chamber wall portion
Wall portion formed of flexible material
92 98R, 417322, 417413, F01B 1900, F16J 300
Patent
active
042312876
ABSTRACT:
A high pressure diaphragm for use with an electroexpansive material utilizes a generally planar central member, a generally outer flange-engaging member, and an annular ring member, which can have a frusto-conical shape, having its outer edge flexibly connected to the inner edge of the flange-engaging member and with its inner edge flexibly connected to the outer edge of the central member. The flexible connection includes a bridge member having a thickness less than the thickness of the annular ring member and maybe fabricated integrally with said annular ring member and with the central and flange-engaging members. In one embodiment the high pressure diaphgram is pre-loaded so that during movement no portion of the flexible connectors are in tension.
REFERENCES:
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patent: 3228248 (1966-01-01), Li
patent: 3749354 (1973-07-01), Raitport
Hershkovitz Abraham
Physics International Company
Tipton Robert R.
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