Is a
Patent attributes
Current Assignee
Patent Jurisdiction
Patent Number
Patent Inventor Names
Chen Ming Wu0
Aaron Dobbins0
James P. Steiner0
Date of Patent
June 5, 2012
Patent Application Number
12607788
Date Filed
October 28, 2009
Patent Citations Received
Patent Primary Examiner
Patent abstract
A method for controlling the speed of an AC motor by means of an AC motor speed control having a plurality of capacitors operable to be selectively coupled in parallel electrical connection, the parallel coupled capacitors operable to be coupled in series electrical connection with the AC motor, the method comprising charging the capacitors up to substantially the same predetermined voltage prior to combining the capacitors in parallel electrical connection.
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