Heat exchange – Geographical
Patent
1994-02-07
2000-10-10
Fox, John
Heat exchange
Geographical
F25D 2312
Patent
active
061291412
ABSTRACT:
This invention provides a primary uniform heater in the natural temperature preserving main body and it is conducted to a room needed to be heated, where the temperature can disperse openly; the temperature is transferred by the heat-conductive fluid by a main pump, or further by a shunt pump; that is, fresh air enters into the primary uniform air-heater through an open filtered inlet, and enter the primay uniform heater of the natural temperature preserving main body and then it is pumped through a transfering tube to a detector in the room needed to be heated. If the conductive tube is long enough to be buried in the natural temperature preserving main body, the primary uniform heater can be omitted and the tube is made of good conductive material's to actuate the function of a primary uniform heating power; a primary filter, such as active carbon filter, tester for harmful gas, and air fresher, can be attached to the inlet and the outlet of the fresh air.
REFERENCES:
patent: 4323113 (1982-04-01), Troyer
patent: 4448238 (1984-05-01), Singleton, Jr. et al.
patent: 4674561 (1987-06-01), Kelley
patent: 4936110 (1990-06-01), Kuckens
patent: 5054297 (1991-10-01), Furuhama
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