Invention Application
- Patent Title: ROTOR AND GENERATOR FOR REDUCING HARMONICS
- Patent Title (中): 用于减少谐波的转子和发电机
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Application No.: US13910056Application Date: 2013-06-04
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Publication No.: US20140028141A1Publication Date: 2014-01-30
- Inventor: Randall J. DuVal
- Applicant: Illinois Tool Works Inc.
- Main IPC: H02K3/16
- IPC: H02K3/16 ; H02K15/09

Abstract:
A rotor for a generator comprises a stack of laminate plates and conductive end caps on either side thereof. The laminate plates and the end caps have holes near a periphery thereof, and conductive rods are positioned in the holes, and secured to the end caps. The stack, the end caps and the rods are then skewed by a desired angle with respect to a centerline of the rotor. The resulting rotor core may then be mounted to a rotor shaft, and wound, with the windings also being skewed due to skewing of the core. The end caps and rods form a damper cage that aids in reducing harmonics.
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