Invention Grant
- Patent Title: Permanent magnet rotor crack detection
- Patent Title (中): 永磁转子裂纹检测
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Application No.: US12146606Application Date: 2008-06-26
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Publication No.: US08095324B2Publication Date: 2012-01-10
- Inventor: Kevin A. Dooley
- Applicant: Kevin A. Dooley
- Applicant Address: CA Longueuil, Quebec
- Assignee: Pratt & Whitney Canada Corp.
- Current Assignee: Pratt & Whitney Canada Corp.
- Current Assignee Address: CA Longueuil, Quebec
- Agency: Norton Rose Or LLP
- Main IPC: G01B5/28
- IPC: G01B5/28
Abstract:
A method and apparatus for permanent magnetic (PM) rotor crack detection includes a sensor which monitors magnetic flux distribution of the PM rotor and identifies the presence of a crack in the PM rotor when a magnetic flux distribution change or anomaly is detected.
Public/Granted literature
- US20090322373A1 PERMANENT MAGNET ROTOR CRACK DETECTION Public/Granted day:2009-12-31
Information query
