Refrigeration – Processes – Exchanging heat between plural systems – e.g. – disparate
Patent
1989-07-26
1990-09-04
King, Lloyd L.
Refrigeration
Processes
Exchanging heat between plural systems, e.g., disparate
622383, F25B 700
Patent
active
049533614
ABSTRACT:
A heating installation and process for operating a monovalent generator absorption heat pump heating installation for space heating, water heating, ect. up to a calorific power of approximately 20 kW wherein operation takes place with a periodic change of the operating phases generation with condensation and evaporation with absorption at different pressure levels. In the generating phase, high temperature heat is supplied via the generator to a working substance solution circuit and during the condensation of the resulting vapor at the condenser, useful heat is supplied to the heating water. During the absorption phase, low temperature heat is supplied to the coolant in the evaporator and is given off in the absorber to the heating water in the form of useful heat. The high or low temperature heat supplied is alternately switched on when the heating water return or forward temperture drops below a predetermined lower temperature, and switched off when the heating water return or forward temperature exceeds a predetermined upper temperature limit.
REFERENCES:
patent: 4312476 (1982-01-01), Pohlman
patent: 4561259 (1985-12-01), Van der Sluys
Grabenhenrich Heinz-Bernd
Knoche Karl F.
Stehmeier Dieter
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