Refrigeration – Reversible – i.e. – heat pump – With product treatment
Patent
1977-03-04
1978-08-15
King, Lloyd L.
Refrigeration
Reversible, i.e., heat pump
With product treatment
62503, F25B 1300, F25B 4300
Patent
active
041063074
ABSTRACT:
A reverse-flow air conditioner comprises a compressor for delivering a hot compressed refrigerant gas, a four-way valve for shifting the flow direction of the refrigerant, indoor and outdoor heat exchangers for separately accomplishing the condensation and evaporation of the refrigerant during cooling and heating cycles, a receiver communicated with the both heat exchangers, decompression means for changing the liquid refrigerant, condensed by the indoor or outdoor heat exchanger depending on whether the cycle is for cooling or heating, into a mixture of gaseous and liquid refrigerant portions, and a suction accumulator for separating the refrigerant, vaporized by the indoor or outdoor heat exchanger according to the cycle, into gaseous and liquid portions, the components being interconnected by refrigerant piping. The refrigerant line between the indoor heat exchanger and the four-way valve is integrally connected to that between the four-way valve and the suction accumulator so that heat is exchanged, during the heating cycle, between the refrigerant flowing into the suction accumulator and the hot refrigerant gas from the compressor and, during the cooling cycle, between the refrigerants leaving the indoor heat exchanger and flowing into the suction accumulator.
REFERENCES:
patent: 2977773 (1961-04-01), De Kanter
patent: 3350898 (1967-11-01), Harnish
patent: 3423954 (1969-01-01), Harnish et al.
patent: 3552140 (1968-12-01), Palmer
patent: 4030315 (1977-06-01), Harnish
Hitachi , Ltd.
King Lloyd L.
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