Armature and electric motor having the same

Details Armature and electric motor having the same Armature and electric motor having the same

2009-08-27

2011-12-13

Mullins, Burton (Department: 2834)

Electrical generator or motor structure

Dynamoelectric

Rotary

Reexamination Certificate

active

08076818

ABSTRACT:
Winding guide portions of an insulator are received in slots, respectively, of a core. Each of windings is electrically insulated from the core by a winding guide wall of a corresponding one of the winding guide portions in each of corresponding two of slots of the core. The winding guide wall of at least one of the winding guide portions is configured differently from the winding guide wall of each of the rest of the winding guide portions and includes a radial bottom wall section, which is radially outwardly spaced from a radial bottom wall section of a corresponding one of the slots by a predetermined distance and contacts a corresponding one of the windings.

REFERENCES:
patent: 5428258 (1995-06-01), Mowery
patent: 6580193 (2003-06-01), Yoshikawa et al.
patent: A-2001-298917 (2001-10-01), None
patent: 2007-135326 (2007-05-01), None
patent: A-2008-220059 (2008-09-01), None
patent: 2009-027912 (2009-02-01), None

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