Electrical generator or motor structure – Dynamoelectric – Rotary
Reexamination Certificate
2008-07-22
2011-12-06
Leung, Quyen (Department: 2834)
Electrical generator or motor structure
Dynamoelectric
Rotary
C310S191000, C310S180000, C310S114000, C310S113000, C310S184000, C310S254100
Reexamination Certificate
active
08072113
ABSTRACT:
The electric machine comprises a rotor and stator, the rotor and stator having generally equal axial lengths. The stator has at least one primary and at least one control winding disposed around the stator. The electric machine comprises a stator extension of a magnetic material. The stator extension is disposed coaxially with the stator and has only the at least one control winding wrapped therearound. The stator extension extends axially adjacent the stator beyond an axial terminus of the rotor and defines a magnetic circuit around the at least one control winding. The stator extension is configured such that in use, the magnetic circuit remains unsaturated thereby increasing inductance of at least one control winding in an electric alternator/motor.
REFERENCES:
patent: 5767601 (1998-06-01), Uchiyama
patent: 6541887 (2003-04-01), Kawamura
patent: 6700279 (2004-03-01), Uchiyama et al.
patent: 7262539 (2007-08-01), Dooley
patent: 2002/0047448 (2002-04-01), Kawamura
patent: 2006/0226721 (2006-10-01), Dooley et al.
patent: 2007/0145850 (2007-06-01), Hsu
patent: 2008/0019062 (2008-01-01), Dooley
patent: 2011/0020153 (2011-01-01), Murakami
patent: 2011/0025154 (2011-02-01), Nussbaumer
Bell Joshua David
Dooley Kevin Allan
Kenerly Terrance
Leung Quyen
Norton Rose OR LLP
Pratt & Whitney Canada Corp.
LandOfFree
Inductance augmenter for an electric machine does not yet have a rating. At this time, there are no reviews or comments for this patent.
If you have personal experience with Inductance augmenter for an electric machine, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Inductance augmenter for an electric machine will most certainly appreciate the feedback.
Profile ID: LFUS-PAI-O-4313326