Expansion tank diaphragm assembly

Details Expansion tank diaphragm assembly Expansion tank diaphragm assembly

1974-06-26

1976-01-13

Aegerter, Richard E.

Pipes and tubular conduits

With pressure compensators

Variable capacity chambers

2223865, F16L 5504

Patent

active

039318346

ABSTRACT:
An expansion tank is divided into two non-communicating chambers by a flexible elastomeric diaphragm having a peripheral outward projecting, sidewall engaging protrusion that is held in compressed and sealing engagement with the tank walls by a backup ring. The diaphragm-ring assembly facilitates insertion of the diaphragm, provides a positive seal, and prevents the assembly from being forced out of position by extreme pressure differentials.

REFERENCES:
patent: 2815152 (1957-12-01), Mills
patent: 2893433 (1959-07-01), MacDuff
patent: 3035614 (1962-05-01), Kirk
patent: 3288168 (1966-11-01), Mercier et al.
patent: 3425593 (1969-02-01), Kramer et al.
patent: 3524475 (1970-08-01), Kirk
patent: 3623512 (1971-11-01), Ellswanger et al.

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