Floating diaphragm apparatus

Details Floating diaphragm apparatus Floating diaphragm apparatus

1987-05-15

1989-08-01

Garrett, Robert E.

Expansible chamber devices

Collapsible chamber wall portion

Wall portion formed of flexible material

92 96, 73756, 73715, F01B 1900, F16J 300, G01L 700, G01L 708

Patent

active

048524662

ABSTRACT:
Floating the diaphragm portion of a diaphragm sensor in the pressurizing fluid frees the diaphragm from exterior housing forces, and makes overall manufacture and replacement inexpensive. A diaphragm can be protected from exterior stress by interspersing a channel between the diaphragm edge and the closure and support structure of an enclosing housing. By extending the channel and incorporating an adequate seal, the diaphragm structure may be made replaceable. The replaceable diaphragm further allows use of a smaller amount of costly materials, and makes repair less costly.

REFERENCES:
patent: 3202063 (1965-08-01), Bissell et al.
patent: 3390579 (1968-07-01), Giattenberg et al.
patent: 3602048 (1971-08-01), Murata
patent: 3645139 (1970-06-01), Zavoda
patent: 3808890 (1974-05-01), Neugebauer
patent: 4333350 (1982-06-01), Gibb
patent: 4380041 (1983-04-01), Ho

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