Electrical generator or motor structure – Dynamoelectric – Rotary
Patent
1988-06-10
1990-01-09
Salce, Patrick R.
Electrical generator or motor structure
Dynamoelectric
Rotary
310 88, H02K 500
Patent
active
048930393
ABSTRACT:
A windshield wiper motor having a motor casing and a reduction gear casing is provided with a crooked air passage between the casings which is provided with a breather hole at a position that neither coincides nor overlaps with a projection of the respective openings of the passage into the gear casing and motor casing, so that it is possible to perform a breathing action even if lubricating oil penetrates into the air passage through the opening since the oil will be prevented from entering and clogging the breather hole.
REFERENCES:
patent: 4554844 (1985-11-01), Hamano
patent: 4683771 (1987-08-01), Sogo et al.
Jidosha Denki Kogyo Kabushiki Kaisha
Jones Judson H.
Salce Patrick R.
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