Refrigeration – Processes – Exchanging heat between plural systems – e.g. – disparate
Patent
1980-10-29
1982-03-30
King, Lloyd L.
Refrigeration
Processes
Exchanging heat between plural systems, e.g., disparate
622386, 165DIG12, F25B 700, F25B 2702
Patent
active
043217982
ABSTRACT:
The method is intended for heating water used in an appliance connected into a domestic water circuit comprising a feed branch for continuously feeding hot water to said appliance and a discharge branch for discharging the water from the appliance; it comprises a first stage in which a first quantity of heat withdrawn from the water passing through a first portion of said discharge branch is transferred to the water passing through a first portion of said feed branch, said first stage being carried out by means of a first heat exchanger traversed by the water of said feed and discharge branches, and a second stage in which a second quantity of heat given up by a fluid traversing the condenser of a heat pump is transferred to the water passing through a second portion of said feed branch which is downstream of said first portion, said second stage being carried out by means of a second heat exchanger traversed by the water of said feed branch and by said fluid, said second quantity of heat being partly supplied by the work of compression of a compressor of said heat pump, and partly by a further quantity of heat transmitted to the evaporator of said heat pump by the water passing through a second portion of said discharge branch, downstream of said first portion.
REFERENCES:
patent: 2375157 (1945-05-01), Wilkes et al.
patent: 3188829 (1965-06-01), Siewert et al.
patent: 3986344 (1976-10-01), Newman
patent: 4098092 (1978-07-01), Singh
patent: 4207752 (1980-06-01), Schwarz
patent: 4241588 (1980-12-01), Murphy et al.
Cane Giuseppe
Palazzetti Mario
Centro Ricerche Fiat S.p.A.
King Lloyd L.
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