Heat exchange – Regenerator – Checker brick structure
Patent
1980-09-15
1986-01-28
Focarino, Margaret A.
Heat exchange
Regenerator
Checker brick structure
165 45, 16510421, 16510426, F28D 1300
Patent
active
045665273
ABSTRACT:
An isothermal heat pipe system for transferring heat from a primary fluid, such as geothermal water or steam, municipal water system, solar heated water, or the like, to another medium to be heated isothermally, such as a road or bridge deck surface, includes an elongated enclosed chamber with a volatile liquid, such as ammonia or freon, contained therein, a heat exchanger tube positioned to run through the chamber in contact with the volatile liquid, and elongated distribution pipes connected in fluid-flow relation to and extending upwardly from the upper portion of the common chamber above the level of the volatile fluid and extending into divers portions of the medium to be heated in spaced-apart relation to each other in such a manner that there is a continuous downward gradient in each of the distributor tubes from the distal end thereof to the chamber. The primary heated fluid is circulated through the heat exchanger tubes, and a wick material is attached to the external surface of the heat exchanger tube to increase surface area for transfer of heat from the heated primary fluid in the heat exchanger tube to the volatile fluid in the chamber around the heat exchanger tube.
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patent: 3955042 (1976-05-01), Kellow et al.
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M. F. Pravda et al., "Augmentation of Earth Heating for Purposes of Roadway Deicing-Final Report", Report No. FHWA-RD-79-81, prepared for Federal Highway Administration, Dec. 1978, Final Report.
A. A. Ferrara and R. Haslett, "Prevention of Preferential Bridge Icing Using Heat Pipes," Report No. FHWA-RD-75-111, prepared for Federal Highway Administration, Jul. 1975-Interim Report.
A. A. Ferrara and G. Yenetchi, "Prevention of Preferential Bridge Icing Using Heat Pipes", Report No. FHWA-RD-76-167, prepared for Federal Highway Administration, Sep. 1976-Final Report.
A. A. Ferrara and G. Yenetchi, "Prevention of Preferential Bridge Icing Using Heat Pipes," Report No. FWHA-RD-76-168, prepared for Federal Highway Administration, Sep. 1976-Executive Summary.
"Geothermal Heating of a Bridge Deck Using Heat Pipes", proposal by the Wyoming Highway Dept. to The Federal Highway Administration, Jan. 1979.
Nydahl John E.
Pell Kynric M.
Focarino Margaret A.
Young James R.
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