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WO/1994/009544 |
A contactless recharging system (10, 100, 200, 300) and method for recharging a battery storage device (12) onboard an electric vehicle (14, 106, 302) has a primary converter station (20, 102, 202, 304) for converting power from a power ...
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WO/1994/006135 |
The invention concerns a current transformer designed for installation in a metal enclosure (1) at earth potential surrounding a high-tension conductor (2). The transformer includes at least one annular core (5), a secondary winding woun...
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WO/1994/006134 |
An ignition coil comprising: a C-shaped iron core member (100) defining an air gap between the terminal ends of the C-shaped member; a coil sub-assembly within said air gap comprising a primary coil member (200) and a secondary coil memb...
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WO/1994/003034 |
A high frequency electronic ballast (128) having a transformer (104) in which the transformer (104) has a primary winding (106) which is coupled to a secondary winding (108) via a primary flux path (1) from which flux can be diverted by ...
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WO/1993/026020 |
A non-contact power transmission apparatus, a non-contact signal transmitter (which will be referred to as the 'power coupler' and the 'signal coupler', respectively) and a separation type machine using the couplers. The power coupler is...
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WO/1993/026062 |
Magnetic circuits for communicating data in a tractor and trailer combination. A connector for interfacing electrical signals between a tractor (20) and trailer (30) which will be connected together such that the tractor pulls the traile...
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WO/1993/021585 |
The invention discloses a non-contact way to provide electrical power and two-way digital communications between a host computer (9) and its peripheral modules (8), such as IC memory cards, modems, and A/D converters. A special magnetic ...
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WO/1993/018529 |
The high-tension current transformer according to the present invention consists in three or four kinds of insulating units with one coil, said transformers being provided for storing and that may be assembled in very short time, so as t...
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WO/1993/016479 |
Disclosed is a helically wound core of ferrous material (14) used as a differential current sensor core in the ground fault sensor of a ground fault interrupter circuit. The ferrous material comprises a single strand of wire which is wou...
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WO/1993/014508 |
A transformer mounted on a vehicle, which has a small size and a light weight, and in which necessary reactive voltages and a stable characteristic of loose coupling among its output-side windings can be obtained. The transformer (4) is ...
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WO/1993/014509 |
Plane sheets which have the same shape as the magnetic circuit (1) and are relatively movable along their contact surface are arranged in a stack. The stack is grasped and part of the circuit is bent out of alignment with the plane of th...
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WO/1993/013588 |
A magnetic three-fold frequency multiplier for a metal melting furnace, in which the primary side is Y-connected so that resonance takes place in each of the phases of the three-phase AC power source, to cause the secondary side connecte...
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WO/1993/013533 |
An ignition coil assembly (2) for an internal combustion engine including an ignition coil housing (4) having integrally moulded mounting members (6, 8, 10) arranged on the outer perimeter of the housing (4) in non-interfering relationsh...
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WO/1993/013534 |
An ignition coil used for an ignition device of internal combustion engines. In order to reduce the size of the device, a high-tension terminal (13) is insert-molded in a bobbin (11) of a secondary coil portion (10) as a unitary structur...
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WO/1993/009345 |
In ignition coils (11) with a secondary connector section (17) moulded on their casings (13) which transmits the high tension to the sparking plug (18) and consists of a fixed connection dome (19) and a sparking plug connector (21) movab...
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WO/1993/006491 |
The magnetic circuit (1) is made in a single piece or consists of a stack of identically-shaped sheets. The height (H) of the air gap (2) is greater than the thickness (E) of a coil (5), enabling said coil to be inserted through the air ...
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WO/1993/004557 |
A high-voltage transformer of this kind has a multiplicity of windings (7) in chambers (4), with diodes (3) located between them. The aim of the invention is to make it possible to accommodate a multiplicity of diodes without significant...
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WO/1992/022744 |
Proposed is a fixation for the core of a coil, in particular an ignition coil, the fixation also acting as an earth contact. To this end, the bore (2), through the stack of laminations (1), for the fixation is designed in such a way that...
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WO/1992/021131 |
An apparatus for feeding a power in a non-contact way wherein a core (A) on a power feeding side and a core (B) on a power receiving side are respectively provided with a plurality of teeth with windings wound therearound and the tooth h...
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WO/1992/017929 |
A contactless inductive power distribution system operating at 10 KHz has a self tuning resonant power supply connected to a resonant primary conductive path (10110, 10111) comprising a pair of parallel litz wire conductors (10110, 10111...
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WO/1992/016743 |
In an ignition system without distributor, an ignition coil associated to half the cylinders is connected by a high voltage cable to a corresponding cylinder of the other half of the cylinder. The ignition coils are modularly assembled i...
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WO/1992/017044 |
There is provided an enclosure that encapsulates a current transformer (1) by utilizing snap together members (12, 14) while allowing for electrical coupling between the transformer and external wiring. Two housing members (9, 11) will s...
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WO/1992/015051 |
A transformer (100) having a shunt magnetic path (108A) and a shunt coil (108) is provided. The transformer (100) includes control circuitry to control the output of the transformer by controlling current flow in the shunt coil (108), th...
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WO/1992/015104 |
A current transformer which can be installed in an earthed metal casing surrounding a high-votage conductor has an annular core surrounded by a toroidal secondary winding and is protected by structurally simple means from overvoltages at...
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WO/1992/013277 |
Disclosed is a current transformer, mounted in at least one power line (11), for the measurement of transient, rapidly varying short-circuit currents, etc., in particular in gas-insulated, metal-encapsulated switchgear. The current trans...
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WO/1992/011648 |
The aim of the invention is to improve the dissipation of the heat produced by the operation of an ignition coil (18). In contrast to a conventionally designed ignition coil, which has two formers (27), one for the primary winding (17) a...
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WO/1992/010672 |
Prior engine ignition systems for a multicylinder spark ignited engine have been too complex and have incorporated external wiring cables and a plurality of transformer assemblies that placed the individual primary and secondary coils th...
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WO/1992/010906 |
In high-voltage transformers, in particular diode split-transformers, it is generally necessary to reduce as much as possible the size of the arrangement as a whole, for cost and weight reasons. The heat losses during operation of such a...
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WO/1992/009136 |
A magnetic circuit with several magnetic components integrated on one or more common magnet cores is utilized in a current supply circuit known per se. The circuit comprises a transformer, the secondary winding ends of which are connecte...
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WO/1992/007370 |
Proposed is a moulded-resin ignition coil with a high-voltage terminal designed to conduct the ignition energy between the ignition coil (7) and the ignition-unit cable (2) with only low losses. This terminal comprises a tight connection...
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WO/1991/019305 |
A current transformer comprising a circumferential core (12) and a through-going conductor (14) forming the primary winding of said transformer, and a secondary winding (16) wound on defined portions of the core (12) whereas the remainin...
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WO/1991/015022 |
A cable coupling transformer comprises a metal or ferrite former defining separate high permeability portions of a pair of flux paths, a winding electromagnetically associated with each high permeability portion, and a common low permeab...
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WO/1991/012107 |
A welding apparatus is disclosed to include an electrically insulating casing, first and second welding electrodes, and a welding transformer having a toroidal core, a multi-turn primary winding and a single-turn secondary winding. The c...
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WO/1991/005355 |
A high frequency matrix transformer power converter module (10) includes a dedicated, pre-wired secondary winding (26) wherein the electrical conductor forming the dedicated secondary winding (26) is made from a flat ribbon material (46,...
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WO/1991/004564 |
The device of the invention inductively links connector wires (6a; 6b) to a two-wire lead (10). The device has a housing (1) with a trifurcate ferrite core (2a; 2b), the central element of which is encircled by the two-wire lead (10) and...
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WO/1991/004411 |
In an ignition coil with a coil body having a wire winding, a connecting device (2) with connecting components (13, 14) for the beginning (16) and end (17) of the wire winding is to be coupled to the coil body (3). The connecting compone...
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WO/1991/003824 |
A rotary transformer includes a tubular rotor core (10) on the outside and an inner stator core disposed inside the rotor core (10). A coil (12) having a plurality of metal windings is buried into a groove in the inner peripheral surface...
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WO/1990/015241 |
A high voltage integrated ignition system for I.C. motors, having fixed induced stator winding means which flux is changed by adjacent rotor, characterized in that said winding means includes: a 'U' shaped lamellar package (PI); a shank ...
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WO/1990/013742 |
A high efficiency, high output, compact ignition coil particularly suited for use in capacitive discharge, multiple pulsing ignition systems, with about ten turns of primary (1) wire (Np) and about five hundred fifty turns of secondary (...
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WO/1990/012274 |
A contactless travel measuring system with a sensor (2) having a sensor casing (11), at least one coil (1) arranged in the sensor casing (11) and a bedding compound (13) securing the coil (1) and with a power supply/evaluation electronic...
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WO/1990/010940 |
According to the invention, a single bushing transformr (4) on the three-phase side is used in a current transformer arrangement for three-wire three-phase systems. Two of the total of three phase conductors are taken through it, either ...
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WO/1990/010154 |
Method and ignition device for I.C. motors with use of high voltage increaser means by means of high voltage bobbin having at least a primary winding means (Lp) and a secondary high voltage winding means (Ls), characterized in that the s...
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WO/1990/007783 |
A coil with a magnetic core made from grain-oriented iron sheets contains at least one coil (2). Said core consists of a blocking core (3) and a sheet metal core (1) which carries the coil(s) (2) and contains iron sheets arranged perpend...
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WO/1990/007222 |
The present invention discloses a magneto arrangement with a secondary winding (14) preferably wound into two spool compartments (12, 13) and arranged longitudinally co-axially with the primary winding (10). The high tension lead (33) is...
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WO/1990/007056 |
Ignition electronic device for endothermic motors particularly of small size of the type using an integrated device of inductance and capacity (A) under form of bobbin realized by winding foils electrically conductors (AL1-AI2) insulated...
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WO/1990/003697 |
A coupler assembly (10) for noninvasive coupling to conductor wires (12A, 12B) of a twisted pair cable (12) of a data bus uses mating pairs of E-shaped electromagnets (92A, 160A; 92B, 160B) having windings about central legs thereof elec...
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WO/1990/002261 |
An ignition circuit for an internal combustion engine comprises a customary primary circuit. The secondary circuit is modified by connecting the end (21) of the secondary winding (L2) not connected to the central electrode of a spark plu...
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WO/1990/001781 |
An apparatus (10) is provided for use with non-contacting torque sensors. Many non-contacting torque sensors use bulky inductive coil structures to induce magnetic flux into the shaft whose torque is to be measured, and to sense a change...
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WO/1989/010651 |
A contactless coupling arrangement can be operated by any closed network for the generator, said network having a totally reflecting interface which can be disturbed so that the desired transmission can be effected with a high degree of ...
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WO/1989/010621 |
A matrix transformer with high dielectric having the capability of withstanding very high potentials between its primary (102) and secondary (103a, b) and is well adapted for use as a safety transformer in switch mode power supplies. It ...
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