Subterranean heating and cooling system

Details Subterranean heating and cooling system Subterranean heating and cooling system

1979-06-25

1981-07-21

Richter, Sheldon J.

Heat exchange

Regenerator

Checker brick structure

62260, 126400, 165 45, 165108, F24J 302

Patent

active

042792916

ABSTRACT:
An underground conduit extends through the soil in two parallel stretches and connects at one end with a return duct and at the opposite end to the air intake of a heating and cooling unit. The return air duct may be closed off by a damper so that the return air is diverted through the underground conduit. The underground conduit may also be coupled with a forced air unit which is independent of any heating and cooling system. An air diverter in one stretch of the conduit recycles air through the conduit while a portion of the air is utilized. The constant temperature of the subterranean region results in the circulating air in the underground conduit being heated in winter and cooled in summer. To increase the air turbulence and the effectiveness of the heat transfer, the conduit may be corrugated. Sand may be packed around the conduit to retain moisture for more effective cooling.

REFERENCES:
patent: 2677243 (1954-05-01), Telkes
patent: 2917240 (1959-12-01), Schwarzmayr
patent: 3937973 (1976-02-01), Weber et al.
patent: 4024910 (1977-05-01), Werner
patent: 4139056 (1979-02-01), Scholl

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