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Class Information
Number: 310/105
Name: Electrical generator or motor structure > Dynamoelectric > Rotary > Torque-transmitting clutches or brakes > Magnetic field type > Induced or eddy current type
Description: Subject matter in which the magnetic field induces eddy or other induced currents.
Sub-classes under this class:
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 7605485 |
Systems and methods for generating power through the flow of water |
Oct. 20, 2009 |
| 7592727 |
Quiet load for motor testing |
Sep. 22, 2009 |
| 7582997 |
Arrangement for conveying fluids |
Sep. 1, 2009 |
| 7562754 |
Frictional clutch for an element which can be driven, in particular fan wheel |
Jul. 21, 2009 |
| 7560837 |
Automotive alternator with rotary magnetic fluctuation suppressor |
Jul. 14, 2009 |
| 7294947 |
Apparatus for transferring torque magnetically |
Nov. 13, 2007 |
| 7057321 |
Eddy current deceleration device |
Jun. 6, 2006 |
| 7053512 |
Ventilation device with electromagnetic coupling |
May. 30, 2006 |
| 6975053 |
Rotator driving device, image forming apparatus using the rotator driving device, and method of driving rotator |
Dec. 13, 2005 |
| 6948597 |
Eddy current deceleration device |
Sep. 27, 2005 |
| 6900569 |
Increased torque in retarder brake system through use of conductive layer |
May. 31, 2005 |
| 6841909 |
Magnetic drive system |
Jan. 11, 2005 |
| 6838796 |
Two-speed rotational control apparatus with eddy current drive |
Jan. 4, 2005 |
| 6820728 |
Integrated retarder and accessory device |
Nov. 23, 2004 |
| 6756870 |
Composite magnet of electromagnet and permanent magnet, and eddy current retarder |
Jun. 29, 2004 |
| 6738340 |
Device for reducing the radial and axial play of a motor shaft in a deck for playing information discs |
May. 18, 2004 |
| 6700264 |
Pump driving system of induction type |
Mar. 2, 2004 |
| 6700265 |
Eddy current retarder |
Mar. 2, 2004 |
| 6680555 |
Electromagnetic hysteresis unit |
Jan. 20, 2004 |
| 6661144 |
Electromotive drive |
Dec. 9, 2003 |
| 6628029 |
Drive for a roller shutter winding tube |
Sep. 30, 2003 |
| 6548929 |
Eddy current fan drive |
Apr. 15, 2003 |
| 6459184 |
Ergometer loading device with large braking force |
Oct. 1, 2002 |
| 6318496 |
Steering booster system for a motor vehicle |
Nov. 20, 2001 |
| 6310416 |
Resisting and pulling mechanism |
Oct. 30, 2001 |
| 6283901 |
Device for effecting resistance |
Sep. 4, 2001 |
| 6257380 |
Calibrated hysteresis brakes |
Jul. 10, 2001 |
| 6237728 |
Eddy current reduction braking system |
May. 29, 2001 |
| 6217298 |
Electrodynamic transmission and a centrifugal pump with a transmission of this kind |
Apr. 17, 2001 |
| 6208053 |
Adjustable torque hysteresis clutch |
Mar. 27, 2001 |
| 6169347 |
Rotating coil electromagnetic clutch |
Jan. 2, 2001 |
| 6097123 |
Brake and stall detector for a motorized actuator |
Aug. 1, 2000 |
| 6072258 |
Permanent magnet coupler with adjustable air gaps |
Jun. 6, 2000 |
| 6025664 |
Permanent magnet vehicle braking apparatus |
Feb. 15, 2000 |
| 6002193 |
Basic module for a discoidal electric machine, and corresponding electric machine |
Dec. 14, 1999 |
| 5994810 |
Integral steel-aluminum ring for eddy current activated friction clutch |
Nov. 30, 1999 |
| 5942826 |
Eddy current apparatus |
Aug. 24, 1999 |
| 5903075 |
Permanent magnet coupler with soft start adjustment system |
May. 11, 1999 |
| 5900903 |
Deflecting scanning apparatus |
May. 4, 1999 |
| 5898249 |
No slip eddy current drive |
Apr. 27, 1999 |
| 5855264 |
Vehicle transmission system fitted with an electrical retarder |
Jan. 5, 1999 |
| 5855256 |
Guide frame for eddy current type breaking system |
Jan. 5, 1999 |
| 5847481 |
Vehicle transmission system fitted with an electrical retarder |
Dec. 8, 1998 |
| 5847478 |
Electro-magnetic clutch |
Dec. 8, 1998 |
| 5838084 |
Vehicle transmission system fitted with an electrical retarder |
Nov. 17, 1998 |
| 5834867 |
Electromagnetic rotary vibrator and damper for a rotary body |
Nov. 10, 1998 |
| 5834872 |
Adjustable magnetic coupler |
Nov. 10, 1998 |
| 5821658 |
Speed control in self-powered eddy current drive |
Oct. 13, 1998 |
| 5814907 |
Electromagnetic force motor with internal eddy current damping |
Sep. 29, 1998 |
| 5804897 |
Permanent magnet vehicle braking apparatus |
Sep. 8, 1998 |
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