Refrigeration – Using electrical or magnetic effect – Thermoelectric; e.g. – peltier effect
Patent
1978-12-07
1981-06-02
King, Lloyd L.
Refrigeration
Using electrical or magnetic effect
Thermoelectric; e.g., peltier effect
62513, 165 18, 622386, 622387, F25B 2700, F25B 2702, F25B 1300
Patent
active
042703590
ABSTRACT:
A closed circuit heating system which is capable of extracting either "high" grade (solar) heat or "low" grade (non-solar) heat from the surrounding atmosphere and then using it to heat air, water, etc., includes a first (external) heat exchanger in the form of a solar panel for heating a volatile fluid passing therethrough which is located outdoors so as to absorb both direct solar energy (when the sun is shining) and non-solar energy, a compressor, a second (internal) heat exchanger which is connected to heat air, water or some other fluid, and an expansion valve. A volatile fluid medium is circulated through the fluid flow conduits connecting the various elements. In order to operate efficiently, the expansion valve is functionally located in the system closer to the compressor than to the first (external) heat exchanger, and the fluid flow conduits which deliver volatile fluid to and from the first (external) heat exchanger are positioned in proximity to each other to provide for heat transfer therebetween.
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patent: 3952533 (1976-04-01), Johnston et al.
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