Discharge temperature sensor for sealed compressor

Details Discharge temperature sensor for sealed compressor Discharge temperature sensor for sealed compressor

1998-12-07

2000-07-11

Tanner, Harry B.

Refrigeration

With indicator or tester

Operatively correlated with automatic control

62129, 361 22, 417 32, F25B 4902

Patent

active

060855304

ABSTRACT:
A sensor is provided for monitoring temperatures within a discharge tube on a scroll compressor. If the temperature is too high, this is an indication of the loss of charge situation. When the temperature on the discharge tube exceeds the temperature indicative of a loss of charge, then the motor is stopped. In one embodiment, a heat fusible link melts when the temperature is exceeded and sends a signal to a control to stop the motor. A repair person must then visit the compressor and repair the compressor before it can be restarted. In this way, the system provides a very inexpensive control for eliminating operation of the compressor and its associated refrigeration system in a loss of charge situation.

REFERENCES:
patent: 3619722 (1971-11-01), Gill et al.
patent: 3765191 (1973-10-01), Canter
patent: 4265091 (1981-05-01), Kobayashi
patent: 5076067 (1991-12-01), Prenger et al.
patent: 5241833 (1993-09-01), Ohkoshi
patent: 5452989 (1995-09-01), Rood et al.
patent: 5586445 (1996-12-01), Bessler

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