Heat exchanger with internal bypass valve

Details Heat exchanger with internal bypass valve Heat exchanger with internal bypass valve

1989-08-23

1991-02-12

Ford, John

Heat exchange

Movable heating or cooling surface

Rotary drum

165 34, 165 40, 165101, 165103, 165 35, 165154, 165916, G05D 1500, G05D 2312, F28F 2702

Patent

active

049916432

ABSTRACT:
A heat exchanger with an internal bypass valve wherein the open end of a bypass tube mounted within a heat exchanger tube forms a valve seat for the bypass valve. A valve head mounted on a valve rod is spring loaded against the valve seat in the preferred design. The length of the contact arms on the valve body controls the valve activation pressure. The heat exchanger tubes may be mounted in parallel and the bypass valves may be mounted in the same direction or in opposite directions to permit bidirectional bypass flow.

REFERENCES:
patent: 1869637 (1932-08-01), Walworth
patent: 2346590 (1944-04-01), Rocque et al.
patent: 2619115 (1952-11-01), Dondero et al.
patent: 2943845 (1960-07-01), Jakitsch
patent: 3406745 (1968-10-01), Castelet
patent: 3877514 (1975-04-01), Beck
patent: 3887004 (1975-06-01), Beek
patent: 4209062 (1980-06-01), Woodhull, Jr.
patent: 4633939 (1987-01-01), Granetzke

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