Air cooled wiper motor

Details Air cooled wiper motor Air cooled wiper motor

1981-08-11

1983-08-16

Skudy, R.

Electrical generator or motor structure

Dynamoelectric

Rotary

310 64, 310 83, 310 89, 152503, 74606A, 165 47, H02K 906

Patent

active

043993800

ABSTRACT:
An air-cooled wiper motor having self-cooling fan for use in vehicles is disclosed. The wiper motor comprises a motor yoke, a rotatable armature shaft provided in the yoke, a reduction gear mechanism provided at one end of the armature shaft, a vehicle wiper blade connected to the armature shaft through the reduction gear mechanism and being swung reciprocally, a self-cooling fan provided to the other projected end of the armature shaft, a fan cover provided around the fan for forming a ventilation duct having a width not exceeding an outer diameter of the yoke in one diametrical direction between the cover and the outer diameter portion of the yoke, and a bearing having an inner race secured to the armature shaft and an outer race secured to a gear housing of the reduction gear mechanism thereby to hold thrust loads in both directions received by the armature shaft.

REFERENCES:
patent: 2560465 (1951-07-01), McVicker
patent: 2639394 (1953-05-01), Douglas
patent: 2822122 (1958-02-01), Cole
patent: 3143897 (1964-08-01), Kohn
patent: 3441757 (1969-04-01), Erickson
patent: 3719843 (1973-03-01), Dochterman
patent: 4227104 (1980-10-01), Hamman

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