Controlling refrigeration having control module directly attache

Details Controlling refrigeration having control module directly attache Controlling refrigeration having control module directly attache

1989-06-06

1991-02-26

Gorski, Joseph M.

Refrigeration

Automatic control

Refrigeration producer

62212, 2989012, F25B 4900

Patent

active

049952404

ABSTRACT:
A system for controlling refrigerant flow in an air conditioning system employing an electrically operated valve for controlling flow of refrigerant from the condenser to the evaporator. Separate thermistors sense the temperature of the refrigerant entering and discharging from the evaporator. A comparison of the sensed temperatures is used to modify the control signal to the valve for maintaining proper refrigerant flow to the evaporator. A control module is directly attached on the valve body to enhance heat conduction.

REFERENCES:
patent: 3698204 (1972-10-01), Schlotterbeck et al.
patent: 3872685 (1975-03-01), Matthis
patent: 3949807 (1976-04-01), Tyler
patent: 4459819 (1984-07-01), Hargraves
patent: 4499739 (1985-02-01), Matsuoka et al.
patent: 4523435 (1985-06-01), Lord
patent: 4548047 (1985-10-01), Hayashi et al.
patent: 4593881 (1986-06-01), Yoshino

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