Heat exchanger construction

Details Heat exchanger construction Heat exchanger construction

1978-02-10

1980-06-24

Davis, Albert W.

Heat exchange

Movable heating or cooling surface

Rotary drum

165 76, 165175, 123 4133, 1374546, G05D 1500

Patent

active

042090628

ABSTRACT:
There is disclosed herein a heat exchanger construction of the finned fluid conduit type which includes an integral pressure actuated by-pass fluid assembly adapted to enable fluid being circulated through the heat exchanger to by-pass the core portion thereof when header pressure exceeds a predetermined pressure. The heat exchanger of the present invention comprises an inlet header, outlet header, and interconnecting heat exchanger core assembly and a continuous by-pass fluid conduit member extending therebetween in which is disposed a pressure responsive valve adapted to control fluid flow between the inlet and outlet headers. The continuous fluid by-pass conduit is designed to have a pressure relief valve removably positioned internally thereof and preferably will have one end extending completely through one of the headers which end may be provided with a suitable removable closure member to facilitate installation and/or replacement of the pressure relief valve.

REFERENCES:
patent: 1094543 (1914-04-01), Donnelly
patent: 1405525 (1922-02-01), LeCain
patent: 1690501 (1928-11-01), Potts
Excerpt from Karmazin Products Corporation's Drawing 212-183. _

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