Porous fill stator of a canned motor

Details Porous fill stator of a canned motor Porous fill stator of a canned motor

1982-11-22

1985-01-08

Miller, J. D.

Electrical generator or motor structure

Dynamoelectric

Rotary

26427213, 2642722, 310 88, H02K 104

Patent

active

044928840

ABSTRACT:
In a canned motor including a stator with a cylindrical housing, a stator core having a stator winding and mounted on an inner surface of the motor housing, a pair of end brackets each secured to one of two opposite open ends of the motor housing, a cylindrical can mounted on an inner side of the stator core and secured at opposite ends to the end brackets, and a rotor arranged on an inner side of the can, the stator sealed by the can is filled with a porous insulator. The canned motor having the stator provided with the porous insulator is produced by a method wherein a mixture of filler in particulate form and resin in powder form is poured in a space in the stator sealed by the can, and the mixture is heated to allow the resin to cure to form the filler and resin into a porous body, to achieve molding of the stator and provide it with an insulator in the form of the porous body.

REFERENCES:
patent: 3283187 (1966-11-01), Schaefer
patent: 3638055 (1972-01-01), Zimmermann
patent: 3688137 (1972-08-01), Filhol
patent: 3778493 (1973-12-01), Shaw
patent: 3874073 (1975-04-01), Dochterman et al.
patent: 4000236 (1976-12-01), Redfarn et al.
patent: 4243623 (1981-01-01), Sprengling et al.

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