Drying device and method of operation therefor

Details Drying device and method of operation therefor Drying device and method of operation therefor

2007-03-20

2007-03-20

Gravini, S. (Department: 3749)

Drying and gas or vapor contact with solids

Apparatus

With means to treat gas or vapor

C062S238600

Reexamination Certificate

active

10515331

ABSTRACT:
A drying apparatus comprising a heat pump apparatus in which a refrigerant circulates through a compressor, a radiator, a throttle apparatus and an evaporator in this order, in which air heated by the radiator is introduced into a dry chamber, the air coming out from the dry chamber is cooled by a cooling apparatus, the air cooled by the cooling apparatus is dehumidified by the evaporator, and the air dehumidified by the evaporator is again heated by the radiator, wherein the drying apparatus further comprises compressor input detecting means for detecting input of the compressor, and cooling quantity control means for controlling a cooling quantity of the cooling apparatus using a value detected by the compressor input detecting means.

REFERENCES:
patent: 3673698 (1972-07-01), Guerard
patent: 4196526 (1980-04-01), Berti
patent: RE31633 (1984-07-01), Lewis
patent: 4532720 (1985-08-01), Uchida
patent: 5181387 (1993-01-01), Meckler
patent: 2003/0208923 (2003-11-01), Lewis
patent: 2001-198396 (2001-07-01), None

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