Patents for H01F 27 - Details of transformers or inductances, in general (43,362)
09/1992
09/09/1992CN1018221B Three-phase saturation electric reactor with double-iron core
09/09/1992CN1018220B Electric winding part
09/08/1992US5146198 Segmented core inductor
09/03/1992WO1992015103A1 Reactor having a toroidal magnetic circuit consisting of coils formed of a flat conductor wound spirally
09/02/1992EP0501850A1 Magnetic chip component
09/02/1992EP0501200A2 Compensation principle current sensor
09/02/1992CN2114902U Transformer wire connection clip
09/02/1992CN2114880U 10 kv transformer high-voltage measurer
09/02/1992CN1064153A 电流测量装置 Current measuring means
09/02/1992CN1018105B Butt-lap-step core joint
08/1992
08/28/1992CA2037192A1 High-tension connecting terminal for electrical equipment
08/26/1992WO1992015105A1 Method for fixing a winding to an electronic circuit
08/26/1992EP0500390A1 Gas-insulated electric apparatus
08/26/1992EP0500367A2 Coil arrangement and static measuring device
08/26/1992EP0500103A1 Laminate Type LC Element
08/26/1992CN1063964A Component retaining pressure relief system
08/20/1992WO1992014254A1 Structure of coil terminal
08/20/1992WO1992013777A1 Component retaining pressure relief system
08/20/1992DE4105076A1 Electric connection terminal for recess in transformer housing - provides double connection esp. on secondary side to phase and neutral conductors for stress relief purposes
08/20/1992DE4104868A1 Isolierte wicklung sowie verfahren und halbfabrikat zu ihrer herstellung Isolated development as well as process and semi-manuf their production
08/19/1992EP0499592A1 Underground transformer cabin consisting of two units, one inside the other
08/19/1992EP0499589A1 Device for measuring currents
08/19/1992EP0499311A1 Transformer
08/19/1992EP0498897A1 Material for electrical wiring and transformer
08/19/1992CN2113541U High pressure foil type coil without pouring together
08/19/1992CN1063773A Eddy electric field generator
08/18/1992WO1992014778A1 Insulated winding, process for producing it, and semi-finished product used in the production process
08/18/1992US5140706 Transmission-line transformer device for double-balanced miner
08/18/1992US5140497 Composite electronic component and frequency adjustment method of the same
08/18/1992US5140292 Electrical coil with overlying vitrified glass winding and method
08/18/1992US5140291 Inductive device
08/18/1992CA2104292A1 Insulated winding, together with process and semi-finished product for the production thereof
08/13/1992DE4104063A1 Transformer for blocking power DC=DC converter - has primary and secondary of metal foil, mutually interwound with intermediate insulating foil
08/13/1992CA2061103A1 Underground transformer cabin consisting of two units, one inside the other
08/12/1992CN1063533A Fastening-type theft-proof device for transformers
08/12/1992CN1017846B Shunt reactor common type transformer
08/11/1992US5138546 Sintered transformer core of mnzn-ferrite and a transformer comprising such a core
08/11/1992US5138545 Hybrid high voltage transformer
08/11/1992US5138295 Electrical transformer arrangement with plate insulators
08/11/1992US5138294 Electromagnetic induction device
08/11/1992CA1306291C Noise supressing isolation transformer
08/06/1992DE4201990A1 Deflection coil yoke for TV receiver CRT - has stray field suppression coil recess for coil wound around upstanding pins and protected from environment by folded flap closures
08/05/1992EP0497681A1 Transformer torus and method of making such a torus
08/05/1992EP0497631A2 Transformer with capacitive current suppresion
08/05/1992EP0497556A1 Print coil device for double tuning circuit
08/05/1992EP0497219A2 Integrated magnetic power converter core
08/04/1992US5136453 Method and means for suppressing geomagnetically induced currents
08/04/1992US5134771 Method for manufacturing and amorphous metal core for a transformer that includes steps for reducing core loss
07/1992
07/29/1992CN2111553U Fast winding-changed power transformer
07/22/1992CN2110912U Transformer
07/22/1992CN2110911U Pressed pocket type metal expander
07/22/1992CN1017576B Power transformer capable of correcting power factor
07/21/1992US5132872 Low profile mounting assembly and cabinet enclosures for rack relay mounted rectifiers
07/21/1992US5132650 Lc noise filter
07/21/1992US5132556 Bandgap voltage reference using bipolar parasitic transistors and mosfet's in the current source
07/15/1992CN2110275U Anti-steal electric transformer
07/15/1992CN2110274U Water-proof cover for transformer fan axial end
07/15/1992CN2110273U Power transformer with distributor protection function
07/14/1992US5130616 Motor control system and components thereof
07/14/1992CA1305225C Transformer with wire lead isolation slots
07/08/1992CN2109623U Power saving safety distribution transformer for mine
07/08/1992CN2109622U On-load automatic capacity adjusting transformer
07/07/1992US5128269 Method for monitoring unusual signs in gas-charged apparatus
07/02/1992DE4117181C1 Ignition coil arrangement for IC engine - has laminated core mounted on earthing bolts gripped by sprung spacers which thermally decouple coil from engine
07/01/1992EP0492653A2 Printed filter for use in high-frequency circuit
07/01/1992EP0491740A1 Matching transformer for high and medium frequency induction heating
07/01/1992CN1062428A Mini-transformer and method for producing same
06/1992
06/30/1992US5126715 Low-profile multi-pole conductive film transformer
06/27/1992CA2047287A1 Mounting bracket assembly
06/25/1992DE4127432A1 Bead filter for electromagnetic interference redn., for automation - comprises epoxy] coating with aluminium@ and silicon@ for high impedance, mechanical strength, uniformity, and signal=to=noise ratio on PCB
06/25/1992DE4117182C1 Forming ignition coil mounting for IC engine - fixing laminated core on cylinder head cover so that lower part penetrates latter and protecting from heat radiated by engine by plastics material shell
06/24/1992EP0491058A1 Vapor solvent decontamination of PCB transformer components
06/24/1992CN1017198B Transformer winding arrangement for a tv apparatus
06/23/1992US5124681 Winding construction for a transformer
06/17/1992EP0490438A1 Inductive device comprising a toroidal core
06/17/1992EP0214305B1 Process for the production of a laminate of thinamorphous alloy strip and a core made of thin amorphous alloy strip
06/17/1992CN2107704U Electric capacity compensation transformer
06/16/1992US5122947 Flyback transformer having coil arrangement capable of reducing leakage of magnetic flux
06/10/1992CN1061867A Coil encapsulating method with unsaturated polyester glass fibre plastics
06/09/1992CA1303156C Transient suppressing power transformer
06/09/1992CA1303155C Electromagnetic shield for electromagnetic apparatus
06/03/1992EP0321469B1 Reclassification of electrical apparatus contaminated with pcb
06/03/1992CN2106408U Anti-picking structural parts
06/02/1992US5119059 Combined differential and common mode choke for a power supply
06/02/1992US5118998 Multi-tap primary coil for gas discharge lamps
05/1992
05/29/1992WO1992009092A1 Coil former, in particular a coil former for small and safety transformers
05/27/1992DE4132067A1 Superconductive energy store with coil in concrete screen - contains finely divided iron particles embedded in concrete structure surrounded by constructional steel sheet or mesh
05/27/1992CN2105747U No oil pillow high voltage test transformer
05/26/1992US5117215 Inductive device
05/26/1992US5117214 Integrated magnetic power converter core
05/26/1992CA1301868C Electrical transformer for micro-wave ovens
05/21/1992DE4036482A1 Clamping element for transformer core - has cross members with threaded bolts to displace clamp plates
05/21/1992DE4036275A1 Ringfoermiger spulenkoerper fuer klein- und sicherheitstranformatoren und verfahren zu seiner herstellung Annular coil former for small and sicherheitstranformatoren and process for its manufacture
05/19/1992CA1301269C High voltage windings for shell-form power transformers
05/13/1992EP0485341A1 Small transformer, and process for manufacturing same
05/13/1992EP0484568A1 Current-compensated network choke coil
05/07/1992DE4035040A1 Miniature transformer, choke coil, or electronic component housing - has integral resilient locking elements for securing to surface of circuit board
05/06/1992CN2103854U Series metal expansion device
05/05/1992US5111175 Resin molding with embedded coil for electromagnetic valve with thermal shock protection of coil leads
05/05/1992US5111174 Shielded high frequency power transformer