Motor including electrical sheets having shear droops

Details Motor including electrical sheets having shear droops Motor including electrical sheets having shear droops

2011-08-09

2011-08-09

Leung, Quyen (Department: 2834)

Electrical generator or motor structure

Dynamoelectric

Rotary

C310S216016, C029S596000

Reexamination Certificate

active

07994680

ABSTRACT:
A motor includes an output shaft rotatably provided, a rotor fixed to the output shaft and rotatable with the output shaft, a stator formed by a lamination of plurality of electrical steel sheets made by a magnetic material, the electrical steel sheets being punched by means of a press working, a coil wound at the stator, and a case accommodating the stator and the rotor and including a holder for holding the stator. The electrical steel sheets are arranged at one end of the stator in a lamination direction thereof and at the other end of the stator in the lamination direction thereof respectively. The electrical steel sheets include surfaces each at which a shear droop is formed. The surfaces of the electrical steel sheets face each other.

REFERENCES:
patent: 3110831 (1963-11-01), Zimmerle
patent: 6729011 (2004-05-01), Asao et al.
patent: 2006/0232159 (2006-10-01), Tamaoka
patent: 2007/0057588 (2007-03-01), Hyodo et al.
patent: 2008/0012445 (2008-01-01), Abe et al.
patent: 2003-180043 (2003-06-01), None
patent: 2003180043 (2003-06-01), None
patent: 2005-151648 (2005-06-01), None

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