Electrical generator or motor structure – Dynamoelectric – Rotary
Reexamination Certificate
2008-07-22
2008-07-22
Le, Dang D (Department: 2834)
Electrical generator or motor structure
Dynamoelectric
Rotary
C310S112000
Reexamination Certificate
active
07402932
ABSTRACT:
The present invention provides a system and apparatus that includes an induction motor and/or a fan assembly. The motor includes a housing having an aperture and a shaft axially disposed within the housing and having an end extending through the aperture. The motor also includes a rotor that has one or more sets of radius extenders connected to the shaft within the housing, and a stator disposed within the housing and separated from the rotor by an air gap. The rotor typically includes one or more sets of permanent magnets attached along a perimeter of the radius extenders and at least a portion of the radius extenders is made of a magnetically conductive material. The stator typically includes a core structure of magnetically conductive material having a set of slots arranged on an internal face of the core structure and one or more sets of coils disposed within the slots.
REFERENCES:
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patent: 4883982 (1989-11-01), Forbes et al.
patent: 6489696 (2002-12-01), Sashino et al.
patent: 6531799 (2003-03-01), Miller
patent: 6958556 (2005-10-01), Kurosawa et al.
patent: 7071592 (2006-07-01), Lu
Chalker Daniel J.
Chalker Flores LLP
Le Dang D
LandOfFree
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