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Class Information
Number: 310/190
Name: Electrical generator or motor structure > Dynamoelectric > Rotary > Windings and core structure > Field or excitation windings or structure > Magnetic shunts for shifting field flux
Description: Subject matter having a magnetic shunt for shifting the field flux.
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 7554229 |
Stator structure of motor |
Jun. 30, 2009 |
| 7443070 |
Method and apparatus for controlling an electric machine |
Oct. 28, 2008 |
| 7385332 |
Permanent magnet dynamoelectric machine with axially displaceable permanent magnet rotor assembly |
Jun. 10, 2008 |
| 7382074 |
Alternate current power generator |
Jun. 3, 2008 |
| 7358629 |
Electromagnetic actuator |
Apr. 15, 2008 |
| 7288865 |
Bicycle generator hub |
Oct. 30, 2007 |
| 7271518 |
Balancing structure for motor |
Sep. 18, 2007 |
| 7253548 |
Method and apparatus for controlling an electric machine |
Aug. 7, 2007 |
| 7224095 |
Balancing structure for motor |
May. 29, 2007 |
| 7129611 |
Method and radial gap machine for high strength undiffused brushless operation |
Oct. 31, 2006 |
| 6984914 |
Motor having characteristic structure in armature and disc apparatus |
Jan. 10, 2006 |
| 6977453 |
Electric rotating machine provided with a field control coil |
Dec. 20, 2005 |
| 6900570 |
Field controlled permanent magnet brushless electric machine |
May. 31, 2005 |
| 6838799 |
Liquid cooled DC motor apparatus |
Jan. 4, 2005 |
| 6787958 |
Electrical machines |
Sep. 7, 2004 |
| 6777835 |
Electrical power cooling technique |
Aug. 17, 2004 |
| 6727626 |
Balancing plate for a motor |
Apr. 27, 2004 |
| 6700297 |
Superconducting PM undiffused machines with stationary superconducting coils |
Mar. 2, 2004 |
| 6700279 |
Brushless motor |
Mar. 2, 2004 |
| 6700278 |
Disk motor with bearing prestressing feature |
Mar. 2, 2004 |
| 6674208 |
Magnetic device with flux return strip |
Jan. 6, 2004 |
| 6566783 |
Permanent magnet generator having internal stator with adjustable air gap |
May. 20, 2003 |
| 6555941 |
Brushless permanent magnet motor or alternator with variable axial rotor/stator alignment to increase speed capability |
Apr. 29, 2003 |
| 6541887 |
Permanent-magnet motor-generator with voltage stabilizer |
Apr. 1, 2003 |
| 6504281 |
Synchronous machine fault tolerant arrangement |
Jan. 7, 2003 |
| 6492753 |
Brushless permanent magnet motor with variable axial rotor/stator alignment to increase speed capability |
Dec. 10, 2002 |
| 6455973 |
Magnetic device with flux return strip |
Sep. 24, 2002 |
| 6255753 |
Electromagnetic rotating machine |
Jul. 3, 2001 |
| 6242840 |
Electrical machine including toothless flux collector made from ferromagnetic wire |
Jun. 5, 2001 |
| 6229244 |
Synchronous machine, in particular generator for a motor vehicle |
May. 8, 2001 |
| 6166463 |
Axial force electrical machines |
Dec. 26, 2000 |
| 6118201 |
Resolver with leakage flux absorber |
Sep. 12, 2000 |
| 6097129 |
Electronically commutated motor |
Aug. 1, 2000 |
| 6013965 |
Motor structure |
Jan. 11, 2000 |
| 5969457 |
Energy storage flywheel apparatus and methods |
Oct. 19, 1999 |
| 5942829 |
Hybrid electrical machine including homopolar rotor and stator therefor |
Aug. 24, 1999 |
| 5907202 |
Thermo-sensitive actuator and idle speed controller employing the same |
May. 25, 1999 |
| 5825113 |
Doubly salient permanent magnet machine with field weakening (or boosting) capability |
Oct. 20, 1998 |
| 5767601 |
Permanent magnet electric generator |
Jun. 16, 1998 |
| 5751075 |
Magnet assembly for linear motor |
May. 12, 1998 |
| 5742106 |
Thermo-sensitive actuator and idle speed controller employing the same |
Apr. 21, 1998 |
| 5650680 |
Dynamo electric machine with permanent magnet rotor structure |
Jul. 22, 1997 |
| 5631505 |
Moving coil linear actuator |
May. 20, 1997 |
| 5606247 |
Mechanical gear drive system having integral electric power generation capability |
Feb. 25, 1997 |
| 5600189 |
Electromagnetic actuator having a cylindrical translation coil and a toroidal rotation coil, actuator unit comprising the actuator and a measurement system, and machine comprising the actuator |
Feb. 4, 1997 |
| 5444321 |
Induction alternating current generator and a generation method |
Aug. 22, 1995 |
| 5340287 |
Scroll-type compressor having a plate preventing excess lift of the crankshaft |
Aug. 23, 1994 |
| 5298822 |
Stepper motor with integrated assembly |
Mar. 29, 1994 |
| 5287032 |
Electric motor with tubular housing |
Feb. 15, 1994 |
| 5200660 |
Electric machine |
Apr. 6, 1993 |
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