Method of regulating a refrigeration circuit

Details Method of regulating a refrigeration circuit Method of regulating a refrigeration circuit

1999-04-05

1999-10-19

Tapolcai, William E.

Refrigeration

Processes

Compressing, condensing and evaporating

62224, 62225, F25B 4104

Patent

active

059669500

ABSTRACT:
A process for controlling a refrigeration system, as well as the refrigeration system and a new expansion valve for the refrigeration system. An electronic regulator is used to operate a sensor system having a device for applying heat power to the sensor system in direct dependence on sensed superheat of the refrigerant leaving the evaporator. By locating the sensing system in communication with liquid refrigerant upstream of the evaporator, heat transfer to the liquid refrigerant is utilized for operation of the sensor system rather than heat transfer to the superheat, resulting in a far more stable and efficient refrigeration control.

REFERENCES:
patent: 2754661 (1956-07-01), Coyne
patent: 4467613 (1984-08-01), Behr et al.
patent: 4879879 (1989-11-01), Marsala et al.
patent: 5148978 (1992-09-01), Stapelbroek
patent: 5515695 (1996-05-01), Sakakibara et al.

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