Electric motor and method of producing electric motor

Details Electric motor and method of producing electric motor Electric motor and method of producing electric motor

2011-03-01

2011-03-01

Mullins, Burton (Department: 2834)

Electrical generator or motor structure

Dynamoelectric

Rotary

C310S058000

Reexamination Certificate

active

07898125

ABSTRACT:
In a fan motor1for a vehicle, when opening a vent hole11in a cylinder bottom portion2aof a yoke2of the fan motor1, this is performed so that the opening part cannot be visually observed when the vent hole11is viewed head on.The vent hole11is formed by dividing the same at a laterally long dividing line so that, at a dividing line X having an angular shape whose left-right direction central portion intrudes into the side of a vent hole upper half portion12, the upper half portion12has a spherical shape that bulges out to the outside of a bottom surface as it is further at the lower side and thus has an inside and outside staggered form with respect to a lower half portion13.

REFERENCES:
patent: 6798098 (2004-09-01), Tai
patent: 6815849 (2004-11-01), Serizawa et al.
patent: 7122924 (2006-10-01), Lee
patent: 2003/0071525 (2003-04-01), Tong et al.
patent: U 02-065074 (1990-05-01), None
patent: A 2003-009456 (2003-01-01), None

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