Refrigeration system with saturation sensor

Details Refrigeration system with saturation sensor Refrigeration system with saturation sensor

1991-05-23

1992-06-02

Wayner, William E.

Refrigeration

Automatic control

Trapping and discharging refrigerant batches

62225, 62513, F25B 4100

Patent

active

051176459

ABSTRACT:
A refrigeration system including an evaporator. A reservoir is connected to the evaporator at a point intermediate the inlet and the outlet of the evaporator. The reservoir is placed in heat exchange relationship with the suction line near the outlet of the evaporator. In one embodiment a liquid level sensor is provided in the reservoir and the output of the sensor is used to control an expansion valve connected to the inlet of the evaporator. In another embodiment a capillary or fixed orifice device is used as an expansion device for the evaporator and the reservoir acts as a refrigerant storage device to accommodate various operating conditions of the refrigeration system.

REFERENCES:
patent: 1838165 (1931-12-01), Vollmann
patent: 1994037 (1935-03-01), Gay
patent: 2220998 (1940-11-01), Holmes
patent: 2265282 (1941-12-01), Heinrich
patent: 2622407 (1952-12-01), Bixler
patent: 3875757 (1975-04-01), Amano
patent: 4019337 (1977-04-01), Earfoss, Jr.
patent: 4333317 (1982-06-01), Sawyer
patent: 4545212 (1985-10-01), Noda
patent: 4617804 (1986-10-01), Fukushima et al.
patent: 4660387 (1987-04-01), Usami

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