Self-draining heat exchanger

Details Self-draining heat exchanger Self-draining heat exchanger

1980-10-23

1983-05-03

Tapolcai, William E.

Heat exchange

Structural installation

126420, B60H 100

Patent

active

043818161

ABSTRACT:
A self-draining heat exchanger that is particularly adaptable in solar heat systems that drains automatically when the flow of liquid such as water is interrupted. The exchanger includes a plurality of tubes arranged for sequential flow of liquid therethrough with drainage valve means that are held closed by the inflowing liquid and that are opened by the weight of the liquid within the heat exchanger when this flow is interrupted to drain the liquid containing parts of the heat exchanger.

REFERENCES:
patent: 1863437 (1932-06-01), Collier
patent: 2791228 (1957-05-01), Carr et al.
patent: 3990504 (1976-11-01), Kolthoff, Jr.
patent: 4191166 (1980-03-01), Saarem et al.
patent: 4305379 (1981-12-01), Saunders
patent: 4307707 (1981-12-01), Stewart
patent: 4309982 (1982-01-01), Oquidam

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