Thermally protected dynamoelectric machine and method of assembl

Details Thermally protected dynamoelectric machine and method of assembl Thermally protected dynamoelectric machine and method of assembl

1982-03-22

1985-03-05

Skudy, R.

Electrical generator or motor structure

Dynamoelectric

Rotary

310 42, 310 43, 310 71, 310 89, 310 91, 310260, H02K 1100

Patent

active

045033471

ABSTRACT:
A hermetic motor-compressor has a motor cover or shroud overlying the end turns of the motor windings. The motor cover is secured to a fastening device in the form of a ring held in place by the stator fastening bolts. A molded plastic holder or retainer for a motor protector is fitted on a lug formed on the ring. The retainer is adapted to hold protectors of different physical configurations. The lug projects upwardly inside the cover and in one embodiment the retainer is trapped between and held in position by the ring and the cover. The protector is of the thermally responsive electrical cutout type and is maintained in closely overlying heat conductive relationship with respect to the end turns of the motor windings by the motor cover. The parts which hold the retainer and the protector in place are movable into their holding positions by the act of moving the cover down into position, in a direction generally parallel to the axis of the motor.

REFERENCES:
patent: 2682005 (1954-06-01), Hemphill
patent: 3010401 (1961-11-01), Granquist
patent: 3183383 (1965-05-01), Slonneger
patent: 3222555 (1965-12-01), Snoberger
patent: 3319096 (1967-05-01), Eberhart
patent: 3351790 (1967-11-01), Linkous
patent: 3875439 (1975-04-01), Roach
patent: 4004169 (1977-01-01), Charlton
patent: 4061935 (1977-12-01), Kandpal
patent: 4181393 (1980-01-01), Lill
patent: 4236092 (1980-11-01), DiFlora
patent: 4292555 (1981-09-01), Schaefer

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