Refrigeration – Automatic control – Of external fluid or means
Patent
1985-10-15
1987-03-31
King, Lloyd L.
Refrigeration
Automatic control
Of external fluid or means
622351, 622386, 622387, 62325, 237 2B, F25D 1700
Patent
active
046532870
ABSTRACT:
Improvements in the system for heating and cooling liquids as disclosed in prior U.S. Pat. No. 3,513,663. This prior system utilizes components of refrigeration such as a compressor, a condenser coil, an evaporator coil, a refrigerant, and expansion valve, in their well-known interrelationship and includes a first and second liquid source, which are pumped in heat-exchange fashion through segregated condenser and evaporator coils simultaneously with, and in the opposite direction to, that of the refrigerant. One broad improvement embodies the elimination of the second liquid source, typically a ground water well, and to alter normal liquid flow to achieve either heating or cooling. Another broad aspect of this invention is to optionally alter the path of both first and second liquid source flows in segregated heat-exchange fashion through the condenser and evaporator coils, whereby heating or cooling of either liquid source may be easily selected and controlled. Refrigerant flow may also be altered. Yet another embodiment is to provide a source of external fluid flow over either condenser or evaporator coil to increase system efficiency related to either heating or cooling of either or both liquid sources. These improvements may be incorporated into the prior art system separately, or in any combination, to provide unique and novel benefits, depending upon situational and/or economic restraints.
REFERENCES:
patent: 3513663 (1970-05-01), Martin, Jr. et al.
patent: 3992896 (1976-11-01), Janson et al.
patent: 4248056 (1981-02-01), Beacham
patent: 4249390 (1981-02-01), Jones
patent: 4254630 (1981-03-01), Geary
patent: 4327561 (1982-05-01), McNeal et al.
patent: 4363218 (1982-12-01), Nussbaum
patent: 4479365 (1984-10-01), Holmes
patent: 4492091 (1985-01-01), Whitwell et al.
King Lloyd L.
Prescott Charles J.
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