Refrigeration – Disparate apparatus utilized as heat source or absorber – With vapor compression system
Patent
1982-03-10
1984-02-07
King, Lloyd L.
Refrigeration
Disparate apparatus utilized as heat source or absorber
With vapor compression system
62183, F25B 2702
Patent
active
044295472
ABSTRACT:
In a heat pump plant, a hot gas heat exchanger (8) is connected to the refrigerant circuit between a compressor (4) and a condenser (5) having a built-in sub-cooler (6), the heating medium side of said hot gas heat exchanger being connected to a domestic water heating device (9). An extra sub-cooler (10) having its heating medium side connected to a separate low temperature heating circuit is interconnected between the built-in sub-cooler and an expansion valve (11). An ejector (12) is connected to the supply line from the hot gas heat exchanger to the domestic water heating device, said ejector being also connected via a domestic water heating pump (13) to the heating medium outlet of the condenser-sub-cooler combination (5, 6). The return line from the domestic water heating device to the hot gas heat exchanger is connected via a line (15) to the heating medium inlet of the condenser-sub-cooler combination. The domestic water heating pump is arranged to provide a flow of water to the ejector via a domestic hot water temperature sensing means, when the domestic hot water temperature is below a predetermined level. The radiator water heating pump included in the radiator circuit is arranged to provide a flow of water through the radiator circuit when the radiator water temperature is below a level corresponding to the outdoor temperature, both pumps being adapted to operate at the various temperature levels prevailing in the domestic water and radiator water circuits.
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patent: 3481152 (1969-12-01), Seeley
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patent: 4098092 (1978-07-01), Singh
patent: 4299098 (1981-11-01), Derosier
patent: 4364239 (1982-12-01), Chapelle et al.
patent: 4373345 (1983-02-01), Tyree, Jr. et al.
patent: 4373346 (1983-02-01), Hebert et al.
AB Thermia-Verken
King Lloyd L.
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