Method for controlling fluid flow in a tube of a heat exchanger

Details Method for controlling fluid flow in a tube of a heat exchanger Method for controlling fluid flow in a tube of a heat exchanger

1987-02-13

1989-07-11

Davis, Jr., Albert W.

Heat exchange

Regenerator

Checker brick structure

165 95, 165 97, 134 8, 15 351, 15104061, F28G 102, F28G 112

Patent

active

048462594

ABSTRACT:
System and method for controlling flow rate of a fluid through a tube of a heat exchanger, such as through condenser or evaporator tubes disposed within a respective condenser or evaporator in a refrigerator. Flow direction of fluid through the tube is reversed, e.g. by way of a directional control valve, which can move a brush disposed within the tube therethrough, to automatically clean the same. The system and method is capable of increasing the flow rate of the fluid through the tube at or during the flow directional change, to ensure, e.g., that a minimum velocity required to move the cleaning brush through the tube is reached.

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"Cleaning Arrangement for Heat Exchanger Tubes"; Research Disclosure, Jan. 1982, No. 213, pp. 475-477.

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