Patents for H01F 3 - Cores, yokes or armatures (3,764) |
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06/16/1999 | CN1220026A DC transformer/reactor |
06/16/1999 | CN1219911A Electric drive system for vehicles |
06/16/1999 | CN1043670C Nanocrystalline alloy having excellent pulse attenuation characteristics, its use and method of producing same |
06/10/1999 | WO1999028919A1 Magnetic core assemblies |
06/09/1999 | EP0921536A1 Electromagnetic actuator with lamination stack-housing dovetail connection |
06/09/1999 | CN2323460Y Ferromagnetic core |
05/14/1999 | WO1999023674A1 Cascading electromagnetic armature |
04/08/1999 | WO1999017319A1 Method for increasing the operating frequency of a magnetic circuit and corresponding magnetic circuit |
04/07/1999 | EP0906651A2 Rotating electrical machine plants |
03/24/1999 | EP0903002A1 Rotating electrical machine comprising high-voltage winding and cast compound supporting the winding and method for manufacturing such machine |
03/17/1999 | EP0901711A1 A rotating asynchronous converter and a generator device |
03/17/1999 | EP0901709A2 A device in the stator of a rotating electric machine and such a machine |
03/17/1999 | EP0901706A2 A method and a device for reducing third harmonic phenomena in a rotating electric alternating current machine |
03/17/1999 | EP0901705A1 Insulated conductor for high-voltage windings |
03/17/1999 | EP0901704A1 High-voltage plants with electric motors |
03/17/1999 | EP0901703A1 A turbo-generator plant |
03/17/1999 | EP0901702A1 A hydro-generator plant |
03/17/1999 | EP0901701A1 Synchronous compensator plant |
03/17/1999 | EP0901700A2 Rotating electric machines with magnetic circuit for high voltage and method for manufacturing the same |
03/03/1999 | EP0899754A1 Matgnetic core including Fe-based glassy alloy |
03/03/1999 | EP0899753A1 Magnetic cores of bulky and laminated types |
02/25/1999 | WO1999009566A1 Magnetic flux concentration device |
02/03/1999 | EP0720588B1 Method and apparatus for treating fluid with radio frequency signals |
02/02/1999 | US5867314 Structure of optical passive device and assembling method therefor |
01/26/1999 | US5864195 Stator component including limbs provided with recesses at their outer surface |
01/21/1999 | WO1999003116A1 Coil |
01/13/1999 | EP0889797A2 An electric drive system for vehicles |
01/07/1999 | EP0888662A2 Electromagnetic device |
01/07/1999 | EP0888661A2 An electric high voltage ac machine |
01/07/1999 | EP0888628A1 Transformer/reactor |
01/07/1999 | EP0888627A1 A dc transformer/reactor |
01/06/1999 | CN1041575C Sintered transformer of inductor core of NiZn ferrite material |
12/09/1998 | CN1201138A Core group of linear displacement sensor and mfg. method therefor |
12/08/1998 | US5847518 High voltage transformer with secondary coil windings on opposing bobbins |
11/24/1998 | US5841335 Choke coil |
11/24/1998 | US5839185 Method of fabricating a magnetic flux concentrating core |
10/06/1998 | US5816894 Gap-providing ferrite core half and method for producing same |
09/29/1998 | US5815062 Magnetic core |
09/29/1998 | US5815060 Inductance element |
09/24/1998 | WO1998041997A1 Electrical choke |
09/24/1998 | CA2283899A1 Electrical choke for power factor correction |
09/23/1998 | CN1193540A Multifunctional magnetotherapeutical health care electric heating carpet |
09/22/1998 | US5812045 Inverter transformer |
09/09/1998 | EP0862781A1 Fuel injection valve |
08/26/1998 | EP0647180B1 Thermoplastic coated magnetic powder compositions and methods of making same |
08/19/1998 | CN1190820A 静态磁铁发电机 Static magnet generator |
08/13/1998 | DE19804277A1 Dynamo with static permanent magnet(s) for water-power stations, thermal power stations or atomic power stations |
08/06/1998 | WO1998034244A1 Winding in transformer or inductor |
08/06/1998 | CA2278236A1 Winding in transformer or inductor |
08/04/1998 | US5790005 Switching converter circuit |
07/30/1998 | DE19735748A1 Powder mould coating insulated electric/magnetic sheet-steel segment e.g. for electric machine stator |
07/14/1998 | US5781090 Control mechanism |
07/09/1998 | WO1998029929A1 Device and method relating to protection of an object against over-currents comprising over-current reduction and current limitation |
07/09/1998 | CA2275619A1 Device and method relating to protection of an object against over-currents comprising over-current reduction and current limitation |
06/25/1998 | WO1998027636A1 Device and method relating to protection of an object against over-currents comprising over-current reduction |
06/25/1998 | WO1998027635A1 Device and method relating to protection of an object against over-currents comprising over-current reduction and current limitation |
06/25/1998 | WO1998027634A1 Device and method relating to protection of an object against over-currents comprising over-current reduction |
06/25/1998 | CA2279394A1 Device and method relating to protection of an object against over-currents comprising over-current reduction |
06/25/1998 | CA2275638A1 Device and method relating to protection of an object against over-currents comprising over-current reduction and current limitation |
06/25/1998 | CA2275616A1 Device and method relating to protection of an object against over-currents comprising over-current reduction |
06/24/1998 | EP0849747A1 Noise-limiting transformer apparatus and method for making |
06/17/1998 | EP0848391A1 Power coil |
06/16/1998 | US5767816 Ferrite core marker |
06/12/1998 | CA2192755A1 Power coil |
06/10/1998 | EP0847125A1 An assembled structure having an enlarged heat transfer area for heat radiation therefrom |
06/10/1998 | EP0847109A2 Laminated article comprising coupling elements of male-female type |
06/03/1998 | EP0845097A1 Mine-clearing coil and device using same |
05/26/1998 | US5757272 Elongated member serving as a pulse generator in an electromagnetic anti-theft or article identification system and method for manufacturing same and method for producing a pronounced pulse in the system |
05/26/1998 | US5756162 Method for manufacturing sendust core powder |
05/19/1998 | US5754087 High-voltage transformer for a television receiver |
05/19/1998 | US5752308 Method of forming a hard magnetic valve actuator |
05/12/1998 | US5751207 Noise suppression chokes |
05/06/1998 | EP0839379A1 Method of winding electric tape to give a large coil |
05/05/1998 | US5748013 Combined magnetic core |
04/28/1998 | US5745367 Fly back transformer, and its inductance adjusting method and device |
04/08/1998 | EP0834889A2 Stator component |
04/02/1998 | WO1998013837A1 Fuel injection valve |
03/26/1998 | DE19639117A1 Brennstoffeinspritzventil Fuel injection valve |
03/25/1998 | CN1177190A Yoke coils impregnating and potting compound, and the process thereof |
03/10/1998 | US5725686 Magnetic alloy of copper, gold, titanium, zirconium, hafnium, vanadium, niobium, tantalum, molybdenum and tungsten with silicon, boron and iron |
02/25/1998 | CN1174384A Permanent magnetic field weak hole generator |
02/12/1998 | WO1997045288A3 An electric drive system for vehicles |
01/29/1998 | WO1997047067A3 A device in the stator of a rotating electric machine and such a machine |
01/29/1998 | WO1997045929A3 Earthing device and rotating electric machine including the device |
01/28/1998 | EP0821375A1 Use of a suppression choke in switching power supplies |
01/22/1998 | WO1997045933A3 A method and a device for reducing third harmonic phenomena in a rotating electric alternating current machine |
01/22/1998 | WO1997045926A3 An electric high voltage ac machine |
01/22/1998 | WO1997045921A3 Electromagnetic device |
01/22/1998 | DE19728667A1 High voltage transformer for gas discharge lamp |
01/21/1998 | CN1170944A High-tensiont ransformer |
01/15/1998 | WO1997045919A3 Rotating electric machines with magnetic circuit for high voltage and method for manufacturing the same |
01/15/1998 | WO1997045907A3 Rotating electrical machine plants |
01/14/1998 | EP0818791A1 High voltage transformer |
12/30/1997 | US5703559 For a magnetic core for charging a magnetic circuit with alternating field |
12/24/1997 | WO1997048965A1 Mine-clearing coil and device using same |
12/11/1997 | WO1997047067A2 A device in the stator of a rotating electric machine and such a machine |
12/10/1997 | CN1167328A Core and sheet type coil of using it |
12/04/1997 | WO1997045939A1 Rotating electrical machine comprising high-voltage winding and cast compound supporting the winding and method for manufacturing such machine |
12/04/1997 | WO1997045938A1 Rotating electrical machine comprising high-voltage stator winding and spring-device supporting the winding and method for manufacturing such machine |
12/04/1997 | WO1997045933A2 A method and a device for reducing third harmonic phenomena in a rotating electric alternating current machine |