Air conditioning apparatus with temperature regulated cooling

Refrigeration – Automatic control – Of external fluid or means

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621963, 621962, F25B 4100

Patent

active

044467044

ABSTRACT:
The cooling performance of an air conditioning apparatus is controlled by a selective combination of three methods of regulation, in accordance with the required degree of cooling. A first stage of regulation controls the volume of air delivered by a fan 6, a second stage controls the amount of refrigerant flowing through a pressure reduction means 7, and a third stage controls the amount of refrigerant circulating in a compressor feedback circuit 9. Any one of or combination of these three controls may be employed in accordance with the prevailing temperature condition and the required cooling performance.

REFERENCES:
patent: 3759057 (1973-09-01), English et al.
patent: 3899897 (1975-08-01), Boerger et al.
patent: 4357988 (1982-11-01), Hudson et al.
patent: 4364238 (1982-12-01), Huelle et al.

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