Patents
Patents for H01F 38 - Adaptations of transformers or inductances for specific applications or functions (13,550)
01/2001
01/31/2001CN1061485C Interconnection system for transmitting power between electrical systems
01/30/2001US6181066 Frequency modulated ballast with loosely coupled transformer for parallel gas discharge lamp control
01/30/2001US6178957 Pencil ignition coil assembly module
01/24/2001EP1071104A2 Rotary inductive coupling
01/24/2001CN2415870Y Electric welding, charging & starting three-purpose machine
01/23/2001US6176168 Transmitter coil, improved fuze setter circuitry for adaptively tuning the fuze setter circuit for resonance and current difference circuitry for interpreting a fuze talkback message
01/17/2001CN2415441Y Ring Energy-saving induction type ballast
01/17/2001CN2415440Y Glow starter and its socket for fluorescent lamp
01/16/2001US6175212 Charging paddle
01/10/2001EP1066584A1 Device for generating a rotating magnetic field in space for powering contactless electronic labels
01/04/2001WO2001001426A1 Dual-rated current transformer circuit
01/03/2001CN2413353Y Zero-sequence current transformer
01/02/2001US6169471 Engine igniting coil device
01/02/2001US6169339 Rotating signal transducer
12/2000
12/28/2000DE19929344A1 Winding for making transformer or coil, has two sections electrically connected in mutually offset manner by connecting element, leaving two free ends for connection to generator or oscillator
12/27/2000EP1063468A1 Lamp, in particular beacon light for air navigation height obstacles
12/27/2000CN2412284Y Mutual inductor combiner of high voltage power metering box
12/27/2000CN2412283Y Pincerlike mutual inductor
12/26/2000US6166531 Three phase to single phase power protection system with multiple primaries and UPS capability
12/21/2000WO2000078100A1 Magnetron drive step-up transformer and transformer of magnetron drive power supply
12/21/2000WO2000077910A1 Method and assembly for the wireless supply of electric energy to a number of actuators, actuator and primary winding therefor and system for a machine with a number of actuators
12/21/2000WO2000077909A1 System for a machine with a plurality of proximity sensors and a proximity sensor and a primary winding used in such a machine
12/20/2000CN2411551Y Current transformer for metering handcart
12/20/2000CN2411550Y Voltage transformer for metering handcart
12/20/2000CN2411549Y Dereturn transformer
12/20/2000CN2411548Y Power transformer for low-reactance metallurgical electric furnace
12/19/2000US6163243 Toroidal current transformer assembly and method
12/19/2000US6163242 Rotationally symmetrical high-voltage pulse transformer with tesla resonance and energy recovery
12/14/2000WO2000075936A1 Internal combustion engine ignition coil
12/14/2000DE19926799A1 Wireless supply of electrical power to sensors by converting medium frequency magnetic field received by secondary windings in each sensor
12/13/2000CN1276610A Transformer for generating high voltage
12/12/2000US6160697 Method and apparatus for magnetizing and demagnetizing current transformers and magnetic bodies
12/12/2000CA2106784C Inductive power distribution system
12/07/2000DE19925963A1 Test device for low voltage circuit breaker
12/07/2000DE19925393A1 Summing current transformer for fault current protection device
12/05/2000US6156264 Electromagnetic compacting of powder metal for ignition core application
11/2000
11/28/2000US6154005 Inductive charger coupling for electric vehicles
11/23/2000DE19838872A1 Increasing variable transformer voltage involves separating positive and negative amplitudes of alternating current using thyristors, sliding or rotary capacitors, finally transforming current
11/22/2000EP1053579A1 Spark plug for an internal combustion engine
11/22/2000CN2407438Y Unitary transformering and rectifying electric source with oil cooling power silicon components
11/22/2000CN1058804C Transformer switch combination unit
11/21/2000US6150794 Charging system for motor-driven vehicle
11/16/2000WO2000069231A1 High-voltage transformer and electrodynamic particle accelerator
11/16/2000WO2000069035A1 Coaxial laser pulser with solid dielectrics
11/15/2000EP1052660A2 Method and device for transfer of electric energy from a stationary to a relatively movable circuit
11/15/2000CN2406323Y Dry mutual-indicator with protective voltage on post
11/14/2000US6147416 Rotatable connector with turning angle detecting function
11/08/2000EP1050598A2 Vacuum coating apparatus
11/08/2000CN2405380Y Single stage filtering type synthesized common mode/different mode choke
11/08/2000CN2405302Y Flyback transformer for high definition real-plane color TV set
11/08/2000CN1272676A Electric current mutual-inductor
11/07/2000US6142130 Low inductance high energy inductive ignition system
11/01/2000CN2404200Y 电子镇流器 Electronic Ballast
11/01/2000CN1271814A Installation structure of ignition coil of oscillating power device
10/2000
10/31/2000US6140899 Magnetic coupler and associated method for coupling conductors
10/26/2000DE10014115A1 Car spark plug discharge unit firing coil having orthogonal spark plug hole held in ball shaped secondary winding with inner/outer primary sections outer moulding placed.
10/19/2000DE19844641C1 Sum current transducer soft magnetic core manufacturing method uses plastic deformation of annular core to provide elliptical core cross-section
10/18/2000EP1045407A1 High-voltage transformer
10/18/2000EP1045406A2 Connector for charging electric vehicle
10/18/2000CN2401978Y U-shaped outdoor dry type sleeved current inductor
10/18/2000CN1270401A Focus regulator for flyback transformer
10/18/2000CN1270400A Focus potentionmeter for flyback transformer, and connecting device thereof
10/18/2000CN1270399A Flyback transformer and its voltage dividing resistor and connecting device thereof
10/18/2000CN1270398A Focus regulating device for flyback transformer
10/18/2000CN1270397A High voltage transformer
10/17/2000US6133698 Fractionated-rectification high-voltage transformer with grouped diodes
10/12/2000DE19916111A1 Current supply device has current converter with at least three phases fed through ferromagnetic annular core opening; currents in these phases are at least partly mutually opposed
10/12/2000DE19914395A1 Induktiver Übertrager Inductive transmitter
10/11/2000EP1043738A1 High-voltage transformer
10/11/2000EP1043737A2 Ignition coil for internal combustion engines
10/11/2000CN2400881Y Dry voltage transformer
10/05/2000WO2000058135A1 Rotating signal transducer
10/05/2000DE10015800A1 Encapsulation component for accommodating current converter cores in gas isolated high voltage circuits for power transmission - has two tubular sections of different dia. radially connected by disc-shaped section; carrying tube has same inner dia. as first tubular section of smaller dia; second section has connector for current converter core secondary connections
10/05/2000DE10013255A1 Electronic component, e.g. an automobile electronic ignition module, comprises a filled resin housing encapsulating a hybrid integrated circuit substrate and a tin-antimony soldered power semiconductor on a heat sink
10/04/2000EP1041589A2 Inductive transmission device
10/04/2000CN2399817Y Non-viberating electric reactor
10/03/2000US6127800 Magnetic coupling device for charging an electric car which includes split cores provided at one of a power receiving portion and a charging coupler
10/03/2000CA1341105C Magnetic core made of fe-base soft magnetic alloy and use thereof
09/2000
09/27/2000EP1038302A1 Current transformer for three-phase systems
09/27/2000CN2398049Y Variable-frequency-type multi-head D. C. soldering machine
09/26/2000US6123062 Spark ignition system having a capacitive discharge system and a magnetic core-coil assembly
09/26/2000CA2222809C High voltage isolating transformer module
09/20/2000CN2397583Y Open circuit protector for current transformer
09/20/2000CN2396921Y Multifunctional welder
09/20/2000CN1267391A Diode-split high-voltage transformer
09/14/2000WO2000054558A1 Circuit arrangement
09/14/2000WO2000054287A1 Impregnating potting compounds, their use and a method for impregnating ignition coils
09/14/2000DE19910711A1 Imprägniervergußmassen, ihre Verwendung sowie ein Verfahren zur Imprägnierung von Zündspulen Imprägniervergußmassen, their use and a process for impregnation of coils
09/13/2000CN2396494Y Air-immersed double-sleeve high-voltage current transformer
09/13/2000CN2396493Y Rear-mounted replaceable current transformer for switch cubicle
09/13/2000CN2396492Y Front-mounted current transformer for switch cubicle
09/13/2000CN1266188A High frequency current tester
09/12/2000US6118201 Resolver with leakage flux absorber
09/07/2000DE10010493A1 High frequency current detector for sensing current in conductive material has two conductive materials inserted into hole in core, forming primary and secondary coils
09/05/2000US6114935 Ignition coil having coil case
09/05/2000US6114933 Pencil ignition coil assembly module environmental shield
08/2000
08/30/2000CN2394400Y Parallel ballasts for fluorescent tubes
08/29/2000US6111366 Ignition transformer for gas discharge bulbs
08/22/2000US6108216 Non-contact electrical power transmission system
08/22/2000US6107790 Ignition coil for internal combustion engine