Refrigeration – Reversible – i.e. – heat pump – With cooling apparatus other than gas compressor
Patent
1982-09-08
1984-03-20
King, Lloyd L.
Refrigeration
Reversible, i.e., heat pump
With cooling apparatus other than gas compressor
62476, F25B 1300
Patent
active
044373210
ABSTRACT:
A heat accumulator and heat pipes are connected to an absorption cooling and heating system including a generator, two outdoor heat exchangers, an expansion valve for cooling, an expansion valve for heating, an expansion valve for defrosting, two indoor heat exchangers, a pressure reducing valve for solutions, a solution pump and a plurality of valves for switching between channels, wherein the first of the two indoor heat exchangers functions as a condenser, the two indoor heat exchangers function as evaporators and the second outdoor heat exchanger functions as an absorber in a cooling mode, the first indoor heat exchanger functions as a condenser, the two indoor heat exchangers function as evaporators and the second indoor heat exchanger functions as an absorber in a heating mode, and the two indoor heat exchangers function as condensers and the second indoor heat exchanger functions as an absorber in a defrosting mode. The heat accumulator is located downstream of the expansion valve for defrosting and serving as a channel for a refrigerant. The heat-pipes have a heat releasing end inserted in the heat accumulator and a heat source end inserted in a waste heat flue of a burner for heating the generator. Thus in a defrosting mode, a refrigerant flowing from having its pressure reduced by the expansion valve absorbs the waste heat of the burner for heating the generator through the heat accumulator, to be heated thereby and vaporize.
REFERENCES:
patent: 3527061 (1970-09-01), Kruggel et al.
patent: 3638452 (1972-02-01), Kruggel
patent: 4207751 (1980-06-01), Kampfenkel et al.
Hitachi , Ltd.
King Lloyd L.
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