Refrigeration – Automatic control – Selective heating or cooling
Patent
1987-12-28
1988-08-09
King, Lloyd L.
Refrigeration
Automatic control
Selective heating or cooling
622386, 623241, 623244, 165 29, F25B 1300
Patent
active
047619643
ABSTRACT:
Apparatus for enhancing the performance of a heat pump which includes first and second auxiliary coils that are operatively connected to the heat pump. Each auxiliary coil has a radiant quartz heating element disposed internally thereof and a fan is disposed in closely adjacent spaced relation to the second auxiliary coil and exteriorly thereof. A pair of thermostats selectively actuate the radiant quartz heating elements and the fan at preselected environmental ambient temperatures to achieve increased heat pump efficiency.
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McGraw-Hill Encyclopedia of Science and Technology, vol. 6, copyright, 1971 by McGraw Hill, Inc., pp. 417 through 419.
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