Heat transfer systems
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United States of America Patent
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Feb 17, 1981
Issued Date -
N/A
app pub date -
Jun 22, 1979
filing date -
Jun 22, 1979
priority date (Note) -
Expired
status (Latency Note)
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Abstract
Heat transfer systems utilizing the standard vapor/compression refrigeration cycle with commonly available refrigerant fluids are disclosed. The embodiments disclosed provide switching means for selective use of the equipment for cooling or for heating in preferred form. In some embodiments, only the heating or only the cooling capability of a system is utilized. Common to the embodiments is a system for pressurizing the refrigerant fluid utilizing a heat source such as a solar collector, waste heat from a generator, automobile engine or other power plant, or even a small gas or electrical heater or the like. Equipment including a venturi device for drawing refrigerant at low pressure through an evaporator for cooling purposes and for extraction of heat from the atmosphere for heating purposes is also disclosed.
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