The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Oct. 28, 2008
Filed:
Jun. 28, 2007
Applicants:
Kevin Dooley, Mississauga, CA;
Michael Dowhan, Milton, CA;
Inventors:
Kevin Dooley, Mississauga, CA;
Michael Dowhan, Milton, CA;
Assignee:
Pratt & Whitney Canada Corp., Longueuil, Québec, CA;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H02K 3/48 (2006.01);
U.S. Cl.
CPC ...
Abstract
The invention provides a method and apparatus for controlling a machine in which the magnetic flux emanating from a rotor is selectively diverted to a second path in the stator which bypasses the winding or windings so as to magnetically de-couple the winding or windings from the rotor.