Scroll compressor protector

Details Scroll compressor protector Scroll compressor protector

1991-05-15

1992-06-02

Smith, Leonard E.

Pumps

Condition responsive control of pump drive motor

Single motor control element responsive to means sensing...

417 32, F04B 4902

Patent

active

051182602

ABSTRACT:
The motor protector for a motor is located so as to be responsive to the discharge temperature of a compressor. The protector is thereby responsive to motor current and compressor discharge temperature. Additionally, by conduction, the protector is responsive to the motor temperature. For scroll compressors, specifically, this provides protection from excess heating of the scroll wraps without requiring an additional sensor.

REFERENCES:
patent: 2518597 (1950-08-01), Brooks
patent: 2811019 (1957-10-01), Courtney
patent: 2946203 (1960-07-01), Carver
patent: 3278111 (1966-10-01), Parker
patent: 3874187 (1975-04-01), Anderson
patent: 4820130 (1989-04-01), Eber et al.

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