Heat pump air conditioning system

Refrigeration – Automatic control – Selective heating or cooling

Patent

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Details

622284, 622351, 622386, 126422, F25B 1300, F24J 302

Patent

active

044209479

ABSTRACT:
A heat pump air conditioning system with an active digital control of the refrigeration cycle thereof to improve the coefficient of performance. The system can incorporate solar collectors in parallel with the outdoor heat exchanger and a water storage tank in the system to maximize the utilization of solar heating and nocturnal cooling as an additional heat source or heat sink means when such are available to further improve the coefficient of performance. The system also incorporates individual temperature control mechanisms in each room to circulate an adequate amount of water from the storage tank in accordance with the heat demand of each room, thus contributing to realization of an energy efficient central air conditioning system.

REFERENCES:
patent: 3952947 (1976-04-01), Saunders
patent: 3986664 (1976-10-01), Gustafsson
patent: 4103493 (1978-08-01), Schoenfelder
patent: 4123003 (1978-10-01), Winston
patent: 4187687 (1980-02-12), Savage
patent: 4246956 (1981-01-01), Drucker
patent: 4283920 (1981-08-01), Kainuma et al.
patent: 4352272 (1982-10-01), Taplay
patent: 4364237 (1982-12-01), Cooper et al.

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