Heat exchange – Regenerator – Checker brick structure
Patent
1983-11-30
1985-01-22
Davis, Jr., Albert W.
Heat exchange
Regenerator
Checker brick structure
165 32, 165 96, 16510422, F28F 1300
Patent
active
044945957
ABSTRACT:
The basic heat pipe principle is extended by providing means for interrupting and modulating the return of liquid condensate to the evaporator end of the heat pipe. This is done by interposing a metallic screen (called the control grid) in the fluid path. This will stop the flow if the pressure drop across the screen is insufficient to overcome the resistance offered by surface tension. Because this surface tension increased as the temperature of the control grid decreases, the resistance of the screen, and hence the strength of the return flow of condensate to the evaporator, can be varied by changing the temperature of the control grid. This control temperature can be considerably lower than the operating temperature of the heat pipe, which means that low-temperature control devices can be used to control high-temperature heat flow.
REFERENCES:
patent: 3543839 (1970-12-01), Shlosinger
patent: 4099556 (1978-07-01), Roberts
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