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Class Information
Number: 310/46
Name: Electrical generator or motor structure > Dynamoelectric > Rotary > Magnetic motors
Description: Subject matter in which one of the relatively movable elements of the dynamoelectric device consist merely of magnetizable material and is free of inductor or conductive windings.
Sub-classes under this class:
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 7615975 |
Motor module having a deformable component that absorbs tolerances |
Nov. 10, 2009 |
| 7579745 |
Motor |
Aug. 25, 2009 |
| 7466044 |
Electro-magnetic circular engine |
Dec. 16, 2008 |
| 7453341 |
System and method for utilizing magnetic energy |
Nov. 18, 2008 |
| 7233088 |
Torque converter and system using the same |
Jun. 19, 2007 |
| 7145308 |
Floating armature electric motor and method of assembly |
Dec. 5, 2006 |
| 7144468 |
Method of constructing a unitary amorphous metal component for an electric machine |
Dec. 5, 2006 |
| 6974522 |
Method and apparatus for mounting a plurality of magnet segments on a back ring |
Dec. 13, 2005 |
| 6942741 |
Iron alloy strip for voice coil motor magnetic circuits |
Sep. 13, 2005 |
| 6930421 |
Torque converter and system using the same |
Aug. 16, 2005 |
| 6926454 |
Electromagnetic driving unit and light quantity regulating apparatus using the same |
Aug. 9, 2005 |
| 6900560 |
Holdable multi-functional rotary device |
May. 31, 2005 |
| 6868244 |
Image forming apparatus with reduced variation of rotation speed of image carrier |
Mar. 15, 2005 |
| 6867514 |
Permanent magnet motor |
Mar. 15, 2005 |
| 6800970 |
Motor and optical apparatus using the same |
Oct. 5, 2004 |
| 6798093 |
Dual coil permanent magnet motor having inner annular member |
Sep. 28, 2004 |
| 6744156 |
Stepping motor having a predetermined number of teeth corresponding to magnetically stable points per rotor rotation |
Jun. 1, 2004 |
| 6719463 |
Drive apparatus, light quantity adjusting apparatus, and lens drive apparatus |
Apr. 13, 2004 |
| 6657335 |
Stepping motor and driving apparatus having separate position detection coil |
Dec. 2, 2003 |
| 6619304 |
Pressure chamber assembly including non-mechanical drive means |
Sep. 16, 2003 |
| 6480465 |
AM transmitter having feed-forward correction to compensate for source impedance |
Nov. 12, 2002 |
| 6437472 |
Apparatus for wireless transfer of power to a rotating element |
Aug. 20, 2002 |
| 6396180 |
Control device using magnetic force to create force vector to control an object |
May. 28, 2002 |
| 6331744 |
Contactless energy transfer apparatus |
Dec. 18, 2001 |
| 6278210 |
Rotary element apparatus with wireless power transfer |
Aug. 21, 2001 |
| 6256971 |
Individual-spindle-drive type multiple twister |
Jul. 10, 2001 |
| 6252317 |
Electric motor with ring rotor passing through coils |
Jun. 26, 2001 |
| 6208054 |
Permanent magnet electric rotating machine and electromotive vehicle using permanent magnet electric rotating machine |
Mar. 27, 2001 |
| 6144132 |
Permanent magnet motor |
Nov. 7, 2000 |
| 6139766 |
Oxide magnetic material, ferrite particle, sintered magnet, bonded magnet, magnetic recording medium and motor |
Oct. 31, 2000 |
| 6084322 |
Amplifying mechanical energy with magnetomotive force |
Jul. 4, 2000 |
| 5945762 |
Movable magnet transmitter for inducing electrical current in an implanted coil |
Aug. 31, 1999 |
| 5946122 |
Rotating device and light beam deflecting apparatus |
Aug. 31, 1999 |
| 5942818 |
Control apparatus for engine-driven permanent magnet type synchronous generators |
Aug. 24, 1999 |
| 5925958 |
DC motor utilizing permanent magnets |
Jul. 20, 1999 |
| 5892310 |
Torquer assembly |
Apr. 6, 1999 |
| 5739602 |
Method of and device using adhesively connected parts for preventing motor rotational imbalance caused by thermal expansion |
Apr. 14, 1998 |
| 5717259 |
Electromagnetic machine |
Feb. 10, 1998 |
| 5672924 |
Robots using modular direct drive motors |
Sep. 30, 1997 |
| 5621258 |
Toy motor with partial coil rotor |
Apr. 15, 1997 |
| 5557152 |
2-Pole single or dual coil moving magnet motor with moving back iron |
Sep. 17, 1996 |
| 5473913 |
Warp knitting machine having electrically activated drive arrangement |
Dec. 12, 1995 |
| 5469291 |
Gyrating programmable scanner |
Nov. 21, 1995 |
| 5397948 |
Magnetic motor with temperature related activation |
Mar. 14, 1995 |
| 5307001 |
Battery charging method and apparatus |
Apr. 26, 1994 |
| 5233251 |
Electric motor with non-radial magnetic drive system |
Aug. 3, 1993 |
| 5191258 |
Electric current generator including torque reducing countermagnetic field |
Mar. 2, 1993 |
| 5177631 |
Magnetic position sensor |
Jan. 5, 1993 |
| 5160867 |
Motor field assembly |
Nov. 3, 1992 |
| 5148068 |
Electromagnetic actuator for moving an object |
Sep. 15, 1992 |
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