Air-conditioning apparatus with booster heat exchanger

Details Air-conditioning apparatus with booster heat exchanger Air-conditioning apparatus with booster heat exchanger

1976-01-05

1978-01-03

Wayner, William E.

Refrigeration

Automatic control

Selective heating or cooling

62 2, 62238, 237 2B, F25B 1300

Patent

active

040659380

ABSTRACT:
An air-conditioning apparatus of the reversible heat pump type includes a booster heat exchanger for the refrigerant gas. The booster heat exchanger receives refrigerant from or in parallel with the evaporator or outdoor coil during the heating mode of operation and adds additional superheat to the gas by exposing it to convective or radiant ambient heat, or both. A temperature sensitive valve controls flow through the booster heat exchanger to the compressor of the apparatus, to prevent compressor damage due to excessive suction temperature. The booster is automatically shunted out of the refrigerant flow line when the apparatus is operating in the cooling mode, to control the load on the compressor and ensure proper operation during cooling. Substantial increases in operating efficiency are obtained.

REFERENCES:
patent: 3103793 (1963-08-01), Kyle et al.
patent: 3563304 (1971-02-01), McGrath
patent: 3777508 (1973-12-01), Imabayashi et al.
patent: 3918268 (1975-11-01), Nussbaum
patent: 3960322 (1976-06-01), Ruff et al.
patent: 4012920 (1977-03-01), Kirschbaum

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