Pressure balancing device for heating systems

Details Pressure balancing device for heating systems Pressure balancing device for heating systems

1975-04-17

1977-03-22

Wayne, William E.

Heating systems

Automatic control

Water

138 30, 237 66, F16L 5504, F24H 920

Patent

active

040132218

ABSTRACT:
An expansion tank is connected to a heating system by feed and drain pipes whereby the flow of water into and out of expansion tank is regulated by a valve and a pump. In the expansion tank there is a bellow which is in contact with the outer air.

REFERENCES:
patent: 1732505 (1929-10-01), Dawson
patent: 3076479 (1963-02-01), Ottung
patent: 3559727 (1971-02-01), Hill
patent: 3807901 (1974-04-01), Wilson

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