Resin molded stators

Details Resin molded stators Resin molded stators

1979-12-14

1982-10-05

Jacobs, Lewis T.

Synthetic resins or natural rubbers -- part of the class 520 ser

Synthetic resins

Processes of preparing a desired or intentional composition...

523509, 523512, 523513, 523514, 523515, 523521, 523527, 310 43, C08L 6706

Patent

active

043528970

ABSTRACT:
A resin molded stator comprising a stator core and coils as major constituents at least parts of which are molded into one piece by a molding material, said molding material comprising (a) a low-shrink unsaturated polyester resin, (b) a filler having a particle size of 44 .mu. or less, and (c) a fibrous material having a length of 3 mm or less, in proportions of 15 to 40% by weight of the component (a) and 60 to 85% by weight of a total of the components (b) and (c), and a weight ratio of the component (b) to the component (c) being 3/1 to 30/1, is excellent in crack resistance, moisture resistance and insulating properties.

REFERENCES:
patent: 3923927 (1975-12-01), Miyake et al.
patent: 4128527 (1978-12-01), Kinjo et al.

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