Motor cooling in a refrigeration system

Details Motor cooling in a refrigeration system Motor cooling in a refrigeration system

1995-12-06

2000-03-07

Wayner, William

Refrigeration

Automatic control

Refrigeration producer

62211, 62505, F25B 500, F25B 3100

Patent

active

060324724

ABSTRACT:
The expanded flow through a heat exchanger type economizer is controlled by an electronic expansion valve and is supplied to the motor of a motor compressor to cool the motor. The electronic expansion valve is controlled by a microprocessor responsive to the temperature of the motor winding sensed by a thermistor.

REFERENCES:
patent: 3913346 (1975-10-01), Moody, Jr. et al.
patent: 4899555 (1990-02-01), Shaw
patent: 4947655 (1990-08-01), Shaw
patent: 5095712 (1992-03-01), Narreau
patent: 5475985 (1995-12-01), Narreau et al.

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