Actuator means for the control of a refrigeration system expansi

Details Actuator means for the control of a refrigeration system expansi Actuator means for the control of a refrigeration system expansi

1986-03-21

1987-09-01

Tanner, Harry

Refrigeration

Automatic control

Refrigeration producer

62212, F25B 4900

Patent

active

046899685

ABSTRACT:
The invention relates to a valve assembly for a refrigeration system of the modulating kind used for controlling the flow of refrigerant through the evaporator. The difference between the inlet and outlet temperatures of the evaporator is utilized to control the superheat but the evaporator inlet temperature taken alone is utilized to set different ranges for the valve actuator temperature to accomodate different operating conditions.

REFERENCES:
patent: 3101432 (1963-08-01), Adams
patent: 3537272 (1970-11-01), Hales et al.
patent: 4347976 (1982-09-01), Jakobson
patent: 4475686 (1984-10-01), Huelle et al.

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