Electrical generator or motor structure – Dynamoelectric – Rotary
Reexamination Certificate
2007-05-31
2009-11-10
Mullins, Burton (Department: 2834)
Electrical generator or motor structure
Dynamoelectric
Rotary
C310S07500D, C310S089000, C074S60600R
Reexamination Certificate
active
07615902
ABSTRACT:
A motor includes: a motor element with a rotation shaft; a speed reduction element having a rotation speed reduction device for reducing a rotation speed and a gear housing for accommodating the reduction device; and a water proof sheet. The gear housing includes: an accommodation portion having a communication passage and an accommodation concavity; and a cover having a breathing hole. The breathing hole has a cover side opening, which connects to an accommodation side opening of the communication passage. An inside of the motor element is connected to an outside of the gear housing through the breathing hole and the communication passage. The cover seals an opening of the accommodation concavity. The water proof sheet having water proof property and gas permeability is disposed between the accommodation side opening and the cover side opening.
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ASMO Co. Ltd.
Mullins Burton
Posz Law Group , PLC
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