Heating systems – Automatic control – Heat source is a reverse cycle refrigerating system or heat...
Patent
1978-05-04
1980-11-11
Yuen, Henry C.
Heating systems
Automatic control
Heat source is a reverse cycle refrigerating system or heat...
62325, 165DIG12, G05D 2300
Patent
active
042328217
ABSTRACT:
A system for heating and ventilating objects and spaces surrounded by an outer covering, such as rooms in buildings. The system includes a heat pumping device for converting low-temperature energy to high-temperature energy useful for heating purposes. The condenser as well as the evaporator of the heat pumping device are divided into several series-connected sections operating at progressively or step-wise decreasing condenser temperatures and progressively increasing evaporator temperatures. The outer covering of the space or object to be heated contains an air inlet system and an air outlet system, each of said systems having several series-connected sections located at different distances from the outer surfaces of the covering, thus being subjected to different temperatures related to the temperature gradient through the outer covering. The individual condenser sections are contacted with the air of corresponding sections of the air inlet system, and the individual evaporator sections are in turn contacted with the air of the outlet system. The inlet and outlet air systems are preferably in heat exchanging contact with each other within the outer covering.
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patent: 3981445 (1976-09-01), Custer
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