Patents
Sitemap › H01 - Basic electric elements › H01F - Magnets; Inductances; Transformers; Selection of materials for their magnetic properties › H01F 27 - Details of transformers or inductances, in general
Patents for H01F 27 - Details of transformers or inductances, in general (43,362)
12/2000
12/06/2000EP1058279A1 Boosting transformer for high-frequency heating device
12/06/2000CN2409592Y Micro-cooling medium horizontal channel cake-type coil
12/06/2000CN2409591Y 变压器 Transformer
12/06/2000CN2409590Y Composite cooling tower
12/05/2000US6157284 Packaging of an electric circuit including one or more coils
12/05/2000US6157283 Surface-mounting-type coil component
12/05/2000US6157282 Transformer cooling method and apparatus therefor
12/05/2000US6157277 Electromagnetic actuator with improved lamination core-housing connection
12/05/2000US6156979 Bushing device and bushing assembly including it
11/2000
11/29/2000EP1056101A2 High-voltage transformer with cooling ribs
11/29/2000CN2408557Y Primary and secondary inverse mounted layered neon lamp electronic transformer
11/29/2000CN2408525Y Current sensor for electric locomotive
11/29/2000CN1274934A Silicon steel wire wound transformer core
11/28/2000US6154114 Multi-laminated inductor and manufacturing method thereof
11/28/2000US6154113 Transformer and method of assembling same
11/28/2000US6154112 Chip inductor
11/28/2000US6154111 Storage coil
11/28/2000US6151770 Method of forming a chip inductor
11/27/2000CA2283013A1 High voltage transformer having radiating ribs
11/26/2000CA2309090A1 Transformer tank with detachable cabinet interface
11/23/2000WO2000070926A1 Planar magnetic elements and assemblies of such elements
11/23/2000WO2000070629A1 Inductor element
11/23/2000DE19923360A1 Transformer with potential isolation protection for mains device or voltage converter has primary coil whose a.c. impedance drops when trigger temp. above operating temp. is reached
11/22/2000EP1054418A1 Low voltage winding for electrical transformer and method for producing same
11/22/2000EP1054416A1 Process for manufacturing transformers, in particular transformers for battery chargers and transformers obtained with said process
11/22/2000EP0950119B1 Process for the production of oriented-grain electrical steel sheet with high magnetic characteristics
11/22/2000CN2407438Y Unitary transformering and rectifying electric source with oil cooling power silicon components
11/22/2000CN1274165A High-voltage winding with resin insulation for transformer and its manufacture method
11/22/2000CN1274164A Line interface transformer
11/22/2000CN1058803C Wound core for toroidal transformer
11/21/2000US6151204 Electronic device
11/21/2000US6150914 Transformer with divided primary winding used in a blocking-oscillator supply circuit
11/21/2000US6150613 Power transformer and coupling means
11/16/2000WO2000069234A1 Wiring method and wiring device
11/16/2000WO2000069231A1 High-voltage transformer and electrodynamic particle accelerator
11/16/2000WO2000069035A1 Coaxial laser pulser with solid dielectrics
11/16/2000WO2000068962A1 Method of manufacturing a magnetic power component and a magnetic power component
11/16/2000WO2000068961A1 Transformer
11/15/2000EP1052659A1 MT/LT dry transformer with linear distributed electric field for distribution of electric energy in rural networks
11/15/2000EP1051716A2 Magnetic tap changer
11/15/2000CN2406332Y High-voltage current-limitted fuse for protection of voltage mutual-inductor
11/15/2000CN2406322Y Cable-terminal end for transformer
11/15/2000CN1273676A High self resonant frequency multilayer inductor and method for making the same
11/14/2000US6147928 Anti-noise component for flat cable
11/14/2000US6147584 Inductor, transformer, and manufacturing method thereof
11/14/2000US6147583 Transformer assembly
11/14/2000US6147582 Substrate supported three-dimensional micro-coil
11/14/2000US6147581 Universal transformer tank for pole-mounted distribution transformers
11/14/2000US6147580 Strip wound induction coil with improved heat transfer and short circuit withstandability
11/14/2000US6147573 Multilayer electronic part with planar terminal electrodes
11/14/2000US6145584 Power equipment for use underwater
11/09/2000WO2000067265A1 Inductive resistor system
11/09/2000WO2000067019A1 Status detection apparatus and method for fluid-filled electrical equipment
11/09/2000DE10004814A1 Power supply transformer for telephones, has bobbin which is divided into winding frames by flange such that sufficient distance and insulation is provided between input and output windings
11/08/2000EP1050960A2 Laminated LC filter
11/08/2000EP1050093A1 Paired multi-layered dielectric independent passive component architecture resulting in differential and common mode filtering with surge protection in one integrated package
11/08/2000EP1050055A2 A power transformer/reactor
11/08/2000CN2405300Y High frequency low shaped switching power supply transformer
11/07/2000US6144282 High voltage transformer and method of making a high voltage transformer having radiating ribs
11/07/2000US6144280 Wire wound electronic component and method of manufacturing the same
11/07/2000US6144279 Electrical choke for power factor correction
11/07/2000US6144278 Transformer assembling method, transformer, transformer-mounted substrate, power supply unit having transformer-mounted substrate, and recording apparatus including power supply unit
11/07/2000US6144277 Electric noise absorber
11/07/2000US6144276 Planar transformer having integrated cooling features
11/07/2000US6143157 Covering core with a barrier coating to protect a magnetic property of core from alteration by subsequent plating, then plating a conductive shield to the core by depositing a seed layer in pattern defined by mask, plating on seed layer
11/02/2000WO2000065612A1 Insulated coil and coiled frame and method for making same
11/02/2000EP1049113A2 Improvements in and relating to magnetic devices
11/02/2000EP1048041A2 Inductive component and inductive component assembly
11/02/2000DE19919079A1 Diagonal winding with desired winding angle for transformers or coils, has ratio between number of forward and backward wrapped turns varied such that desired steep start angle is set in start region of winding
11/02/2000DE19919077A1 Diagonal winding for transformers or coils has additional insulation material placed between individual groups of turns
11/02/2000DE19919069A1 Winding method for transformer or coil involves winding a conductor and simultaneously wetting with adhesive
11/02/2000DE19919068A1 Method of inserting position insulation of winding for transformers or coils, involves placing insulation strip simultaneously with individual turns of winding position
11/02/2000DE19919067A1 Diagonal winding with tappings for transformers and coils, has electrical conductor serving as externally contactable tapping leading through insulation area to surface of winding between two neighboring groups of turns
11/02/2000DE19919066A1 Single or twin layer winding for high voltage transformer or coil, has individual turns of winding inclined at specific winding angle with respect to winding axis of core and arranged in parallel with one another with partial overlap
11/02/2000DE10019461A1 Suppression filter for semiconductor switching static converter or inverter, has combined choke and capacitor arrangement
11/01/2000CN2404199Y Coil support for voltage mutual inductor
11/01/2000CN2404198Y Shell of small ballast
11/01/2000CN1272239A Insulation for conductor
11/01/2000CN1272217A Induction controlled voltage regulator
11/01/2000CN1272216A Method and arrangement for regulating transformer/reactor, and transformer/reactor
11/01/2000CN1272215A Magnetic tap changer
11/01/2000CN1271997A Noise inhibiting wave filter
11/01/2000CN1271951A Labour-saving transformer
11/01/2000CN1271950A Material-saving transformer
11/01/2000CN1271949A Wire wound inducer
10/2000
10/31/2000US6140889 High-frequency signal splitter
10/31/2000US6140588 Arrangement at a conductor on high voltage potential
10/31/2000US6140572 Transformer tank with detachable cabinet interface
10/31/2000US6138555 Food processing device and electric system for the processing device, and high voltage-weak pulse electric current impresser for food
10/31/2000US6138344 Methods of manufacturing a magnetic device and tool for manufacturing the same
10/26/2000DE19917580A1 Coil component, has second mass point mounted on component side opposite to electrical contact connections so that simple positioning of component results on circuit substrate
10/26/2000DE19915355A1 Elektrische Verbindungs- oder Anschlußklemme Electrical connection or terminal
10/26/2000DE19900081C1 Coil body for 2-part ferrite magnetic core has retaining clip attached to foot or head section of coil body and inwards directed locking projections provided by head or foot section used for retaining core
10/25/2000EP1047132A1 Integrated circuit device with inductance of high quality factor
10/25/2000EP1047086A1 A coil component
10/25/2000CN2403111Y Iron core lamination for voltage transformer
10/25/2000CN2403110Y Pressure release valve for power transformer
10/25/2000CN1057859C Radiator of power transformer
10/24/2000US6137393 Power cord provided with a power cord transformer
10/24/2000US6137390 Inductors with minimized EMI effect and the method of manufacturing the same
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