Motor with lobed rotor having uniform and non-uniform air gaps

Details Motor with lobed rotor having uniform and non-uniform air gaps Motor with lobed rotor having uniform and non-uniform air gaps

2011-05-10

2011-05-10

Leung, Quyen (Department: 2834)

Electrical generator or motor structure

Dynamoelectric

Rotary

C310S156450, C310S156460, C310S156470

Reexamination Certificate

active

07939982

ABSTRACT:
A motor having a rotor including first outer surface segments providing uniform air gaps and second outer surface segments providing non-uniform air gaps. The rotor has an outer surface contour comprising a number of first outer surface segments defined by arcs having a first radius centered on a central longitudinal axis and a number of second outer surface segments defined by lines other than arcs having a first radius centered on a central longitudinal axis.

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patent: 7385328 (2008-06-01), Melfi
patent: 2006/0028082 (2006-02-01), Asagara et al.
patent: 2007/0126304 (2007-06-01), Ito et al.
patent: 2007/0126305 (2007-06-01), Okuma et al.
patent: 2007/0200447 (2007-08-01), Adaniya et al.
patent: 2007/0257576 (2007-11-01), Adaniya et al.

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