Cooling apparatus for motor means to protect commutator from dus

Details Cooling apparatus for motor means to protect commutator from dus Cooling apparatus for motor means to protect commutator from dus

1984-11-30

1986-12-02

Skudy, R.

Electrical generator or motor structure

Dynamoelectric

Rotary

310 59, 310 63, 310 88, 310 89, 310227, H02K 906

Patent

active

046267204

ABSTRACT:
Cooling air is introduced through an opening in a wall portion of the motor housing radially opposing the commutator. A deflecting surface is provided for deflecting the cooling air entering the motor through the opening away from the commutator and toward the armature so as to prevent direct contact of dust and moisture in the cooling air with the commutator.

REFERENCES:
patent: 1222465 (1917-04-01), Priest
patent: 3243618 (1966-03-01), Ward
patent: 4092556 (1978-05-01), Mabuchi
patent: 4119873 (1978-10-01), Sakurai

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