Superheat controller

Details Superheat controller Superheat controller

1980-08-04

1982-06-08

Makay, Albert J.

Refrigeration

Automatic control

Refrigeration producer

62225, F25B 4104

Patent

active

043333176

ABSTRACT:
An automatic control for a refrigeration system for regulating the superheat of refrigerant in its gaseous phase existing in the system. The control includes a sensor arranged in thermal control with the system suction line that is divided by a diaphragm into two chambers. One chamber is exposed to suction gas and the other chamber contains a fluid that is essentially the same as the system refrigerant. Mounted on the diaphragm is a four leg strain gage bridge sensor that produces an electrical signal in response to the pressure differential between the chambers.

REFERENCES:
patent: 2260682 (1941-10-01), Robson
patent: 2355894 (1944-08-01), Ray
patent: 2786336 (1957-03-01), Lange
patent: 3054273 (1962-09-01), McGrath
patent: 3577743 (1971-05-01), Long
patent: 3667247 (1972-06-01), Proctor
patent: 3698204 (1972-10-01), Schlotterbeck et al.
patent: 3738119 (1973-06-01), Scherer et al.
patent: 3810366 (1974-05-01), Orth
patent: 3913347 (1975-10-01), Stevens
patent: 4112703 (1978-09-01), Kountz

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