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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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WO/1989/009994 |
Saturable inductor (41) and transformer (35) for magnetic compression of an electronic pulse, using a continuous electrical conductor (84a-84d, 212) looped several times around a tightly packed core of saturable inductor material (81a-81...
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WO/1989/009510 |
A process for operating automatically guided push-pull inverters prevents saturation of the output transformer (11) without an increase in the number of structural components. An electrical negative feedback produced by a magnetic coupli...
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WO/1989/007828 |
The so-called delta-phi choke coil exploits the effects of various core materials and/or air gap sections in the core parts on the magnetization curves of the core materials. It comprises at least two magnetically separated core sections...
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WO/1989/006860 |
The so-called delta-phi transformer makes use of the effects of various core materials and air gap sections in the cores on the magnetization curves of core materials. It consists of at least two magnetically separated cores, designated ...
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WO/1989/006805 |
The invention relates to a device for injecting an electromagnetic signal into a conductor cable to be tested. The device comprises a clamp (10) formed of two parts (12, 14) and intended to be placed around the cable to be tested and inc...
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WO/1989/000975 |
The present invention provides ozone generating apparatus for use in air conditioning systems for sterilizing the recirculated air. The apparatus can also be used in food preservation and other areas where bacteria and other micro-organi...
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WO/1988/006783 |
To improve the cross-talk quality of a multi-channel magnetic tape recorder with a rotating head wheel, of which the magnetic heads receive signals via a rotating translator, the leads between the magnetic heads and the corresponding tra...
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WO/1988/005545 |
A magnetometer sensor for a borehole survey. The magnetometer features a bobbin (30) made from a metal alloy such as copper-nickel, which has a very low magnetic permeability, on the order of 1.0001, which can be joined to a magnetic met...
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WO/1988/003320 |
The bar-type ignition coil (12) has two projecting shoulders (14), and the claw (18) has two flanges (20) which point inwardly and face one another. Both flanges (20) press on the shoulders (14) and thereby ensure, when the claw (18) is ...
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WO/1988/002944 |
An inductive coupled power system has a transmission circuit with a dual primary comprising two conductor loops (28, 29). First segments (28a, 29a) of the loops extend through an area served by the system adjacent each other and second s...
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WO/1988/001096 |
Signals are coupled between a shaft (20) and a housing (22) which rotate relative to each other by means of a primary coil (24) inductively coupled with a secondary coil (26). The primary coil (24) has a relatively large extent (A) and t...
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WO/1987/007977 |
Each connection (24, 26) of the diode (22) has a section (25) parallel to the insertion direction (27) of the diode (22), which ends in an end-piece (28) parallel to the axis (11) of the ignition coil. Each section (25) engages in a stir...
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WO/1987/007774 |
The connection piece (15) of epoxy resin with the contact element (18) is provided with an annular sealing element (19) made of an elastomer with a U-shaped groove (24). The pot-shaped casing (10) has a U-shaped rim (27) in which the gro...
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WO/1987/004298 |
A magnetic circuit device provided with a current coil, comprising a separate magnetic circuit component (2) for passing a magnetic field generated by coil (1) from one end of the magnetic longitudinal axis of a coil (winding axis) to it...
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WO/1987/003999 |
An ignition system for internal combustion engines comprises a circuit starting from a source of current (1) and containing the primary winding (6) of an ignition coil (7) and an induction coil (5) with a magnetically conductive core (11...
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WO/1987/004002 |
High voltage current transformers of the type having a U-shaped primary conductor (21) and a multi-turn secondary conductor (27) associated with the primary so that current can be induced in the secondary consequent on current flowing th...
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WO/1987/003737 |
The high-voltage transformer is connected by means of clips (15, 17) to its high-voltage output wires. The ends of said wires are firmly held in vertical ducts (7, 8) moulded with the potting of the winding of the transformer. Applicatio...
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WO/1987/003736 |
In order to reduce the magnetic field radiated by a high voltage transformer, the air gap is arranged inside the winding (9), a distance piece (8) providing for the mechanical rigidity of the magnetic circuit (2, 3) which is assembled by...
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WO/1987/002445 |
An inductive coupling arrangement for use in missile decoy systems employing mortars or rockets, in which the inductive coupling arrangement comprises a primary part (2) including electric coil means and associated magnetic core structur...
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WO/1987/001812 |
The current transformer arrangement on the secondary side with an integration stage is provided with a secondary winding consisting of two astatically designed coils (31, 32) lying next to one another and connected in series. As a result...
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WO/1986/006543 |
Transformer for current supply and/or signalling purposes, in particular for use in a connector arrangement for electrical circuits in underwater installations. The transformer comprises a magnet circuit (11, 12), a first winding having ...
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WO/1986/005315 |
The device has a high voltage connection that serves to connect an ignition cable. In order to permit automatic contact between the end (30) of the high voltage winding (19) and a contact rod (32) of the high voltage connection (20), the...
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WO/1986/004480 |
An ignition system of an engine has a coil which is spaced away from an igniter to protect the coil from heat of a combustion chamber and combustion gas leakage. The electrical connections between the coil and igniter of current design p...
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WO/1986/004118 |
A capacitive discharge pulsed plasma ignition system using a novel ultra-high efficiency ignition coil (3) with an optimized high current and high voltage output. The ignition coil (3) is preferably used with a high pulse rate, high effi...
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WO/1985/003163 |
Inductive electric connector having a primary winding (12) and a secondary winding (13) as well as a magnetic circuit (11) for the windings. The magnetic circuit may be closed or opened so as to establish a connection, or to interrupt th...
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WO/1984/004849 |
The current transformer provided with a primary winding (1), a secondary winding (2) and a detector winding (3) has a rigid coupling between the secondary winding (2) and the detector winding (3), and yet the coupling coefficient between...
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WO/1984/002224 |
The secondary winding (15) and the coal body (14) which carries it are designed as chambers; the radial expansion (height) of each chamber winding (29) decreases as the chamber potential increases according to the geometrical series law,...
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WO/1984/000843 |
Coil comprising a closed magnetic circuit (1) consisting of cut out and piled metal sheets so as to form a first U-shaped part (12), of which one of the portions (12a) is cut to form a chamfer (12b), a second L-shaped part (13) comprisin...
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WO/1983/001535 |
The current to be measured (I) in a lead 91) is branched to two leads (3, 4) comprised of the same material. Both leads have a slightly different resistance and form the primary of an active current transformer. The secondary current (i)...
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WO/1982/003476 |
A high voltage ultor power (10) for a television receiver includes a self regulating securating core transformer (20) that is capable of operating over a substantial range of temperature without thereby introducing undesirably large chan...
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WO/1981/002648 |
A low-loss reactor (1) is made up of a core having a coil (5), said core comprising an upper and a lower yoke (2, 3) and intermediary legs (4a, 4b, 4c). The two yokes and the legs are made up of laminations of plates, said laminations in...
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WO/1981/002363 |
An indicator for currents in e.g. a bus bar, which is adapted to be fastened directly to existing installations. The indicator consists of a coil (2) fastened to the bus bar (1) by means of a strap (4). The strap is made of a material ha...
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WO/1979/000729 |
In order to avoid taking leads through the envelope (1, 2) the electrode of the voltage transforming capacitive part comprises an intermediate piece (3) insulated and tight to the pressure gas, inserted in the envelope. This piece compri...
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JP2013042616 |
To provide a non contact power supply system which supplies power to a mobile object.A non contact power supply system includes: a first power supply conductor linearly formed; and at least one power reception coil disposed so as to face...
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JP2013040905 |
To provide a current detection device which is less affected by a peripheral environment condition, is small-sized and low-cost, and is capable of detecting a minute current with low current consumption.The current detection device inclu...
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JP2013042133 |
To provide improved Rogowski coil assemblies where a plurality of Rogowski coil sections are mounted on a printed circuit board.Rogowski coil assemblies (110, 115, 120, 125) and methods (200) for providing or forming the Rogowski coil as...
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