Refrigeration – Refrigeration producer – Sorbent type
Patent
1996-04-23
1999-02-02
Doerrler, William
Refrigeration
Refrigeration producer
Sorbent type
F25B 1510
Patent
active
058650393
ABSTRACT:
In a method for operating a refrigerating unit including an expeller, condenser, evaporator and absorber, with a solvent circulation, a working substance circulation and a by-gas circulation, the working substance ammonia is expelled from a rich ammonia solution with continuous supply of thermal energy and subsequently is liquefied by heat absorption, is evaporated with absorption of heat from a cooling chamber and is absorbed from the weak ammonia solution, regulation of the thermal energy required for expulsion being effected in dependance on temperature changes with relation to a given temperature of the cooling chamber with the aid of an electronical module using fuzzy logic rules.
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patent: 4257758 (1981-03-01), Blomberg
patent: 4362029 (1982-12-01), Blomberg et al.
patent: 5138846 (1992-08-01), Ogawa et al.
patent: 5156013 (1992-10-01), Arima et al.
Haegerstrand Eva
Lorek Manfred
Muller Volker
Doerrler William
Electrolux Siegen GmbH
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