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Browse by Category: Main > Electrical & Energy
Class Information
Number: 310/185
Name: Electrical generator or motor structure > Dynamoelectric > Rotary > Windings and core structure > Field or excitation windings or structure > Plural field windings > Plural sets of poles
Description: Subject matter having plural sets of poles.










Patents under this class:
1 2 3

Patent Number Title Of Patent Date Issued
8633629 Dynamoelectric machine Jan. 21, 2014
8525382 Electric motor having primary and auxiliary poles and brush gear Sep. 3, 2013
8519590 Magneto generator with multiple sets of three-phase windings Aug. 27, 2013
8471419 Stator for rotating electric machine and manufacturing method for the same Jun. 25, 2013
8378547 Electric motor Feb. 19, 2013
8294322 Rotating electrical machine Oct. 23, 2012
8264177 Apparatus and system for efficiently controlling a hub motor Sep. 11, 2012
8148867 Permanent magnet brushless machine with magnetic flux regulation Apr. 3, 2012
8022588 Single-phase 2-pole electric motor in which main windings and auxiliary windings are mutually offset by other than 90 degrees and mounted in different size slots Sep. 20, 2011
8004141 Two-phase brushless DC motor Aug. 23, 2011
7915783 Brushless alternator with claw pole rotor Mar. 29, 2011
7911107 AC electric motor Mar. 22, 2011
7816822 Motor and control unit thereof Oct. 19, 2010
7806225 Steering system motor Oct. 5, 2010
7755242 Motor, method for manufacturing the same, and washing machine using the same Jul. 13, 2010
7723888 Synchronous electromechanical transformer May. 25, 2010
7687961 Stator, motor, and method of manufacturing such stator Mar. 30, 2010
7598633 AC motor designed to ensure high efficiency in operation Oct. 6, 2009
7555893 Aircraft propulsion system Jul. 7, 2009
7518280 Method and system for selectively operating an electric motor Apr. 14, 2009
7466057 Claw pole motor stator Dec. 16, 2008
7397156 Tandem rotary electric machine Jul. 8, 2008
7365472 Electric generator Apr. 29, 2008
7365468 Motor stator having transposed winding layers Apr. 29, 2008
7288868 Motor generator Oct. 30, 2007
7132773 Brushless direct current motor Nov. 7, 2006
7122920 Motor and optical apparatus Oct. 17, 2006
7105974 AC motor having stator windings formed as loop coils, and control apparatus for the motor Sep. 12, 2006
6984909 Motor Jan. 10, 2006
6934468 Brushless DC motor and circuit for controlling the same Aug. 23, 2005
6930423 Rotation angle detector Aug. 16, 2005
6885162 High reliability motor system Apr. 26, 2005
6879075 Trapezoidal shaped magnet flux intensifier motor pole arrangement for improved motor torque density Apr. 12, 2005
6847147 Dynamoelectric machine having windings that differ in wire gauge and number of winding turns Jan. 25, 2005
6844656 Electric multipole motor/generator with axial magnetic flux Jan. 18, 2005
6844648 Electric motor stator and motor incorporating same Jan. 18, 2005
6800977 Field control in permanent magnet machine Oct. 5, 2004
6713926 Thin and lightweight inner rotor motor and disk unit using the same Mar. 30, 2004
6657353 Permanent magnet electric machine with energy saving control Dec. 2, 2003
6630764 High performance brushless motor and drive for an electrical vehicle motorization Oct. 7, 2003
6563247 AC generator having stator assembly with improved phase coil insertion order to reduce noise May. 13, 2003
6555977 Disk drive motor position detection using mutual inductance zero crossing Apr. 29, 2003
6462454 Rotary electric machine Oct. 8, 2002
6388356 Methods and apparatus for controlling electromagnetic flux in dynamoelectric machines May. 14, 2002
6384505 Stator with a radial winding May. 7, 2002
6359349 Composite type three phase stepping motor Mar. 19, 2002
6351052 Method of winding armature coil and coreless motor produced through such method Feb. 26, 2002
6271639 Capacitor start single phase induction motor with partial winding starting Aug. 7, 2001
6268675 Magnetically journalled electrical drive Jul. 31, 2001
6265800 Diskette incorporating permanent magnet generator with reduced cogging torque and permanent magnet generator for use in diskette Jul. 24, 2001

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