Monitor and control for refrigeration system

Details Monitor and control for refrigeration system Monitor and control for refrigeration system

1975-11-24

1978-05-23

Wayner, William E.

Refrigeration

With indicator or tester

Condition sensing

62193, F25B 4302

Patent

active

040903710

ABSTRACT:
A device for monitoring the physical and thermodynamic states and concentration of components of a fluid mixture within an operating refrigeration system to detect precursor conditions of system malfunction. Monitoring and detecting refrigeration system fluids is accomplished by continuously sampling the fluids at critical positions within the system during operation. The sampling is accomplished by means of a plurality of sensors positioned within and adapted to detect changes in the heat constants of the fluids. Electronic circuit means utilizing voltage signals derived from the sensors discriminates between normal operating conditions and malfunction precursor conditions. The electronic circuit output is applied to control operation of the system to prevent system damage and to actuate the system status visual display.

REFERENCES:
patent: 3049887 (1962-08-01), Sharp et al.
patent: 3744267 (1973-07-01), Norbeck

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