Desuperheater control system in a refrigeration apparatus

Details Desuperheater control system in a refrigeration apparatus Desuperheater control system in a refrigeration apparatus

1980-07-14

1982-01-19

Wayner, William E.

Refrigeration

Automatic control

Of external fluid or means

62184, 62196C, 622386, F25D 1700, F25B 2702

Patent

active

043114989

ABSTRACT:
A desuperheater control system for use in a refrigeration apparatus includes a thermostatic expansion valve which responds to the temperature and pressure at the outlet of a desuperheater for bypassing refrigerant flow from the condenser back to the suction side of the compressor. A pressure chamber is connected to the outlet of the expansion valve to sense the pressure therein. A water regulating valve is responsive to the pressure in the pressure chamber for regulating the water flow through the desuperheater so that the superheated refrigerant gas from the compressor is cooled to a pre-selected temperature having a minimum superheat.

REFERENCES:
patent: 2142734 (1939-01-01), Polley
patent: 2703965 (1955-03-01), Shawhan
patent: 3188829 (1965-06-01), Siewert et al.
patent: 3301002 (1967-01-01), McGrath
patent: 4089667 (1978-05-01), Jonsson
patent: 4123914 (1978-11-01), Perez et al.
patent: 4142379 (1979-03-01), Kuklinski
patent: 4146089 (1979-03-01), Mueller et al.
patent: 4193781 (1980-03-01), Vogel et al.

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