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)
12/1996
12/05/1996WO1996038849A1 High voltage isolating transformer module
12/04/1996EP0746001A2 Very low leakage inductance, single-laminate transformer
12/04/1996EP0746000A1 Humidity minimisation in transformer insulation
12/04/1996CN1137157A Phase-shifting transformer and protection system of phase-shifting transformer
12/03/1996US5580273 Hydraulic electrode seal
12/01/1996CA2176469A1 Differential transformer correction by compensation
11/1996
11/27/1996EP0744757A1 D.c. reactor
11/27/1996CN2241380Y Outdoor dry hollow parallel reactance device
11/27/1996CN2241379Y Transformer oil tank with edge-flanged cover
11/26/1996US5578981 Laminated inductor
11/26/1996US5577316 Method for producing a mini-transformer with molded cover and retention structure
11/26/1996CA2144243C Motor control system and components thereof
11/20/1996EP0743661A2 Compensation device
11/20/1996EP0742950A1 Device for mounting a flexible cable in a cylindrical sleeve, and high-voltage transformer comprising same
11/20/1996EP0742949A1 Electric windings for inductors and transformers having water-cooled tubular elements and a helically wound coating of flat wires
11/20/1996CN2240773Y Loaded intelligent voltage-regulating insulation transformer
11/20/1996CN2240772Y Transformer for railway signal
11/19/1996CA2154953A1 Iron-based amorphous alloy thin strip and transformers made therefrom
11/14/1996WO1996035754A1 Flame resistant polyester resin composition
11/14/1996DE19518001C1 Electronic transformer e.g. as power supply for halogen lighting
11/13/1996CN2240191Y Rail thunder-proof transformer for railway signal
11/13/1996CN2240190Y Electric unit of core structure
11/12/1996US5572779 Method of making an electronic thick film component multiple terminal
11/07/1996DE19516448A1 Flexible plastics foil with magnetic characteristics e.g. for audio, image and data recording
11/06/1996EP0741396A1 Power magnetic device employing a leadless connection to a printed circuit board and method of manufacture thereof
11/06/1996EP0741395A1 Post-mountable planar magnetic device and method of manufacture thereof
11/06/1996CN2239654Y Dry transformer cooled by thermal pipe
11/05/1996US5572410 Integrated circuit device having a winding connected to an integrated circuit solely by a wire
11/05/1996US5572180 Surface mountable inductor
11/05/1996US5572179 Thin film transformer
10/1996
10/31/1996DE19616195A1 IC engine ignition unit with ignition coil
10/31/1996DE19615673A1 IC engine ignition unit with ignition coil
10/31/1996DE19516252A1 Mounting of oblique through-hole connections on transformer tank
10/30/1996EP0740318A2 High voltage transformer for a television receiver
10/30/1996EP0740317A1 Line filter
10/30/1996EP0740116A2 System for utilising exhaust heat of stationary induction apparatus
10/30/1996CN2239068Y Power switch transformer for broadcast sending machine
10/30/1996CN2239067Y Lead-out terminal structure of transformer
10/30/1996CN2239066Y Insulated cover for transformer lead wire fitment
10/30/1996CN1134590A Choke coil
10/29/1996US5570075 Coil former with injection-molded encapsulation
10/29/1996US5570074 Very low leakage inductance, single-laminate transformer
10/24/1996DE4446716C1 Insulation arrangement for magnetic screening of transformer tank walls and of choke coils
10/24/1996DE19615352A1 Three=phase toroidal core for transformers or chokes
10/24/1996DE19514494A1 Inductive proximity switch with HF oscillator
10/23/1996EP0738831A2 Ignition coil for internal combustion engine
10/23/1996EP0738419A1 Fractionated-rectification high-voltage transformer with grouped diodes
10/23/1996EP0571435B1 Insulated winding, process for producing it, and semi-finished product used in the production process
10/23/1996CN2238476Y Electrical power transformer
10/23/1996CN1134029A 高压变压器 High-voltage transformers
10/23/1996CN1134028A Choke coil
10/23/1996CN1134027A Choke coil
10/22/1996US5568114 Winding support body for transformers/reactors with superconductors
10/22/1996US5568111 Ferrite common mode choke adapted for circuit board mounting
10/22/1996US5566443 Methods of making power distribution transformers
10/17/1996DE19614767A1 Induktives Bauelement Inductive component
10/17/1996DE19517007A1 Modern design of 630 kVA power transformer
10/16/1996CN2237883Y Shield for wire column of transformer
10/15/1996US5565837 Low profile printed circuit board
10/15/1996US5565836 Nullification of magnetic fields relative to coils
10/15/1996US5565835 Substantial nullification of external magnetic fields and lorentz forces regarding toroidal inductors
10/15/1996US5565765 Current sensor operating according to the compensation theorem
10/10/1996WO1996031889A1 Two-stage, high voltage inductor
10/10/1996WO1996031888A1 Solid insulation transformer
10/10/1996CA2215136A1 Two-stage, high voltage inductor
10/09/1996EP0736883A1 Holding flanges
10/09/1996CN2237276Y Low noise blower for sheet radiator of transformer
10/09/1996CN1132919A High Q-factor integrated inductor
10/09/1996CN1132918A High Q-factor integrated inductor
10/08/1996US5563778 Uninterruptible power supply system
10/04/1996CA2172792A1 Method of arranging holding flanges and holding flanges arranged in accordance with the method
10/02/1996EP0735551A1 Transformer assembly, in particular for a supply device of a vehicle discharge lamp
10/02/1996CN2236682Y Energy saving welder transformer with gapless core
10/02/1996CN2236680Y Oil tank of oil capsule sealing transformer
10/02/1996CN2236679Y Low voltage coil of welder
10/02/1996CN1132311A Ignition coil for internal combustion engine
09/1996
09/26/1996DE19517401C1 Equalisation device for rail locomotive transformer
09/25/1996EP0733264A1 Self centering coil
09/25/1996CN2236164Y Thunder-proof transformer
09/24/1996US5559487 Winding construction for use in planar magnetic devices
09/24/1996US5559486 Bobbin for high frequency core
09/24/1996CA2069679C Static electric apparatus
09/19/1996WO1996028833A1 Stationary induction electric appliance
09/18/1996EP0731778A1 SINTERED MOULDING, TRANSFORMER CORE AND INDUCTOR OF Li(Ni)Zn FERRITE MATERIAL, AS WELL AS APPLICATIONS THEREOF
09/18/1996CN2235650Y Transformer for power supply of single-phase and three-phase
09/18/1996CN2235649Y Transformer for power supply of single-phase and three-phase
09/18/1996CN1032834C Double wattage series energy-saving lamp and ballast for same
09/12/1996DE19528088A1 Combined type plug mounting block with laminations stack holder
09/11/1996EP0730778A1 Flexible transformer apparatus particularly adapted for high voltage operation
09/11/1996CN2235151Y Transformer oil reservoir press-moulding die
09/06/1996WO1996027200A1 Coil winding, transformer using it, and method of manufacturing coil winding
09/06/1996WO1996027199A1 Toroidal core
09/05/1996DE19604192A1 Three=phase transformer arrangement
09/05/1996DE19508695A1 Transformer terminal design with insulating housing
09/05/1996DE19508072A1 Mfg. method of transformer winding end leads insulation
09/03/1996US5551146 Method of manufacturing a solid inductor
09/03/1996US5551144 Method of making insulated superconducting magnet coil
08/1996
08/29/1996WO1996019911A3 Process for preparing an insulated multilayer structure
08/28/1996CN2234125Y Transformer for railway switch display
08/28/1996CN2234124Y Upper frame improved railway signal lamp transformer
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