Method and apparatus for controlling an electric machine

United States of America Patent

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Oct 28, 2008
Grant Date
Feb 21, 2008
app pub date
Jun 28, 2007
filing date
Jun 16, 2003

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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.

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Patent Owner(s)

PRATT & WHITNEY CANADA CORP.

International Classification(s)

H02K:DYNAMO-ELECTRIC MACHINES

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[Patents Count]

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Inventor Name	Address	# of filed Patents	Total Citations
Dooley, Kevin	Mississauga, CA	47	390
Dowhan, Michael	Milton, CA	9	127

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Method and apparatus for controlling an electric machine

Number of patents in Portfolio can not be more than 2000

United States of America Patent

11769915

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PATENT NO	7443070
APP PUB NO	20080042509A1
SERIAL NO	11769915
DOCKET NO

US Family Size	Non-US Coverage
Patent Longevity	Forward Citations

DATE PUBLISHED	PUBLICATION/PATENT NO.	PUBLICATION TYPE
October 28, 2008	US,7443070,B2 US7443070B2	GRANTED PATENT AS SECOND PUBLICATION
February 21, 2008	US,20080042509,A1 US20080042509A1	FIRST PUBLISHED PATENT APPLICATION

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11769915

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