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Matches 1,051 - 1,100 out of 9,056

Document Document Title
WO/1997/021920
A high power, high energy inductive ignition system with a parallel array of multiple ignition coils Ti (2a, 2b) and associated 600 volt unclamped IGBT power switches Si (8a, 8b), for use with an automotive 12 volt storage battery (1), t...  
WO/1997/020710
Described is a non-contacting device for the transmission of signals between for instance at least one circuit mounted on the bodywork of a vehicle and at least one circuit in a vehicle seat mounted to slide on rails, the frictionless de...  
WO/1997/018974
The invention relates to means for guided, unidirectional or bi-directional transmission of electrical signals between a primary module (2) and a secondary module (3), incorporated in a vehicle steering wheel, by way of a two-wire line (...  
WO/1997/018570
A cylindrical coil winding structure of a flyback transformer is disclosed, which comprises a cylindrical winding member and a magnetizable core inserted into the cylindrical winding member. The cylindrical winding member includes a cyli...  
WO/1997/016885
An electrical interconnection system (100) comprises a variable frequency rotary transformer (102) and a control system (104). The control system (104) adjusts an angular position of the rotary transformer (102) so that mesured power (P1...  
WO/1997/014171
A coil winding structure of a flyback transformer comprises a plurality of layers of a coiled-circuit pattern sheet. The coiled-circuit pattern sheet includes a tubular sheet, a coiled-circuit pattern formed around the tubular sheet, and...  
WO/1997/014170
A coil winding structure of a flyback transformer comprises a plurality of layers of a conductor coil pattern sheet. The conductor coil pattern sheet member consists of an insulating sheet, a spiral conductor coil pattern formed thereon ...  
WO/1997/012783
A device is disclosed for inductively transmitting electric energy adn data between the stationary side and the steering wheel side of a vehicle, in particular a motor vehicle. The device has several separate inductive circuits. Each cir...  
WO/1997/013259
A magnetic core-coil assembly generates an ignition event in a spark ignition internal combustion system having at least one combustion chamber. The assembly comprises a magnetic core of amorphous metal having a primary coil for low volt...  
WO/1997/010608
Ballast for a discharge lamp, which can make a sustained power supply to the discharge lamp, and method and apparatus for manufacturing the same, are disclosed. The ballast having a core assembly (4) with one pair of stacks of a pluralit...  
WO/1997/009201
Described is a device which ensures signal transfer between an airbag installed in a steering wheel and a circuit located outside the steering wheel, the device having primary and secondary windings (1, 2) located in separate shell-like ...  
WO/1997/006976
This arrangement consists of a transformer, the primary (2) and secondary windings (5) of which are in separate pot cores (1, 4) mutually rotatable about the axis of rotation (2) of the steering wheel. To prevent said transformer from tr...  
WO/1997/007487
In order to reduce the effect on a contactlessly transmitted signal from one component to another with an axial offset between a fixed and a movable vehicle component, there is a variable transformer, the pot cores of which for the prima...  
WO/1997/004470
The invention concerns an ignition coil arrangement for a multi-cylinder internal combustion engine having at least one coil unit (11) which is easy to mount even in confined installation conditions. To this end, the coil unit (11), whic...  
WO/1996/038898
A non-contact type power source apparatus used for an electronic appliance, which supplies greater power though it is small and inexpensive. To accomplish this object, a primary coil (11) supplied with a pulse current is opposed to a sec...  
WO/1996/038849
A high voltage transformer module (50) having a pair of high voltage substrates (64, 66) and a pair of low voltage substrates (62, 68) on which high and low voltage components are respectfully mounted. Mounted between the substrates are ...  
WO/1996/036979
A method and apparatus to amplify the magnetic field in an electromagnetic cirucit is provided. Amplification factors of several orders of magnitude may be obtained. The system is applicable to a number of different systems, including me...  
WO/1996/033417
The current transformer of the invention for high/medium voltage installations has a magneto-sensitive device which is connected to a surface wave structure as a terminating element of a surface wave arrangement. The reply signal of the ...  
WO/1996/031381
The invention concerns a track-guided transport system with power and data transmission and used for conveying goods. The transport system in question is provided with a transport element comprising drive and track-guide elements; storag...  
WO/1996/026447
A voltage transformer with increased electric strength has a resistance divider made of ohmic resistances (R1, R2) as well as a working amplifier (V1) and an inductive transformer (T1). The secondary side of the inductive transformer (T1...  
WO/1996/024855
The invention concerns a current-detection coil (6) for a current transformer operating according to the Rogowski principle, the coil comprising an insulating annular body (1) which is made of a fibre-reinforced thermosetting plastics an...  
WO/1996/020526
A device for the contactless inductive transmission of electric energy to a movable consumer has a stationary primary circuit designed as an arrangement of elongated parallel leads connected to a source of high frequency alternating volt...  
WO/1996/020408
The invention relates to a current sensor for non-contacting measurement of current in a line. Current is sensed by a circuit which provides a high frequency reversing voltage to a sensing winding on a current transformer, for driving th...  
WO/1996/015531
A circuit having a stationary portion and a rotating portion (100) comprises a stationary encoder (210, 220), a power supply (500), a rotary transformer comprising a stator (410) and a rotor (420), wherein the stationary encoder (210, 22...  
WO/1996/014645
A fractionated-rectification high-voltage transformer including a voltage-boosting secondary winding (4) of which at least two output diodes (7', 9') connected to two different stages (4a, 4c) of the secondary winding are positioned on t...  
WO/1996/014646
A device for mechanically mounting a flexible cable (20) in a cylindrical sleeve (21), including an axially split connector (23) with at least two helical external threads (30) and internal projections (31). The cylindrical sleeve (21) h...  
WO/1996/002843
The invention concerns a voltage transformer (3, 4, 6) for metal-clad electric switchgear. The voltage transformer (3, 4, 6) comprises a measuring electrode (4), which surrounds a high-voltage conductor (7), and an outer electrode (3), w...  
WO/1996/001481
Epoxy resin casting compositions comprising (a) a liquid aromatic glycidyl or 'beta'-methylglycidyl ether or a liquid mixture of several aromatic glycidyl or 'beta'-methylglycidyl ethers containing on average more than one glycidyl ether...  
WO/1995/030992
Ignition coil to be mounted on a spark plug as an individual electric power supply for said spark plug. According to the invention, said coil comprises a cylindrical magnetic core (1), a primary winding (2) directly wound onto the core, ...  
WO/1995/028723
In a device (1) for the contact-free transmission of electrical energy from a power source (2) to a consumer (4), two transformers (11, 21), each provided with a power convertor (15, 25), are coupled without contact to a conductor (31) i...  
WO/1995/027291
The invention concerns a choke coil whose inductance increases above a given current range when the current increases. A ferromagnetic hollow body is disposed inside or outside the choke coil winding. The dimensions of the hollow body ar...  
WO/1995/026069
An electric machine (10) according to various aspects of the invention includes a transformer (120) having a rotating component (122) for transmitting power from a stationary portion (114) of the machine (10) to a rotating portion (112) ...  
WO/1995/024722
A connector device which can stably supply electric power and send and receive signals in a contactless way, i.e., without using any electrode contact, and without strict alignment of the device. The connector device is equipped with a p...  
WO/1995/024723
A current transformer, in particular for medium voltage switchboard plants, is preferably square shaped, has a top side, a back side, a front side and lateral sides, is resin-cast and provided with connections with the current flow in a ...  
WO/1995/024005
An apparatus for providing an electrically controllable inductor uses a first and a second magnetic core (20, 24) spaced apart from one another. A DC bias coil (22) is wound on the first magnetic core (20). An inductor coil (26) is wound...  
WO/1995/024050
A current transformer (1) is used for detecting the current flowing in a bar-type conductor (7) and comprises a rectangular magnetic circuit (2) and two coil formers (4) disposed on opposite sides of the magnetic circuit (2) for the seco...  
WO/1995/022849
The fixed section of a direct-acting non-contact feeder is constituted of a cylindrical primary conductor to which a high-frequency alternating current is supplied. The movable section of the feeder is constituted of a secondary conducto...  
WO/1995/013470
A high power high energy hybrid capacitive/inductive ignition system with stress-balanced coils Ti for internal combustion engines employing a dual discharge circuit comprising energy storage capacitor means (4, 4a) shunted by diode mean...  
WO/1995/011545
A loosely coupled inductive power transfer system suitable for transferring power to a mobile conveyer platform or a vehicle has pick-up coils wound on flux concentrator(s). One or more large flat horizontal ferrite cores (607, 608) are ...  
WO/1995/011544
A flux concentrator (1300) for an inductive power transfer system is made up from rectangular fingers (1301) of ferrite material held in close contact by compression means to form a large shock resistant core. The fingers are positioned ...  
WO/1995/008178
It is well known that induction regulators are used in transmitting signals in head drum structures in video devices or equipment for digital recording and playback of signals. Since each head on the head wheel requires its own induction...  
WO/1995/007792
A tool head (10) for use in machine-tools has a base body (11), a tool shaft (20) that axially projects on the base body (11) and may be coupled to a machine spindle (22) that rotates in a stator (24) on the machine side, at least one cu...  
WO/1995/006319
A secondary ignition coil (412) is wound around a bobbin (400) having a plurality of slots (406, 408, 410) therein. The slots are spaced around the cylindrical wall of the bobbin (400) to provide for the rapid and uniform flow of resinou...  
WO/1995/004363
Device for transmitting variable phase and frequency electric power signals from a stationary unit (1) to a rotary unit (2). The primary winding (4) of a rotary transformer is fed by a fixed frequency electric source and the secondary wi...  
WO/1995/000961
An ignition coil is described having primary and secondary coils (208, 412), the primary coil (208) wound around a central core member (300) and including a permanent magnet (310) made of a magnetic material that is less than fully dense...  
WO/1994/028560
A power coupling system includes a source unit (1) which is to be connected to a power supply. The source unit (1) includes a first winding (P). A load unit (2) includes a second winding (S). Power is inductively coupled from the first w...  
WO/1994/027306
In a current transformer (1) within a metal enclosure (6) of high-voltage switchgear, between the secondary winding and the high-voltage conductor (10) there is a tube, in particular a support tube (2), which is conductively connected at...  
WO/1994/027157
The invention is related to a current transducer based on the measurement of magnetic flux density and a method for calibrating the same. The transducer comprises a frame structure (5, 8), adapted to said frame structure (5, 8), an essen...  
WO/1994/025304
This inductive power transfer system provides a capacitor (15), having a reactance equivalent to the inductive reactance of a pickup coil (14), in series between the windings of the pickup coil and the electrical load (16, 17, 18). A pow...  
WO/1994/023305
An electric current measuring device including at least one magnetic flux sensor (1) in the air gap (2) of a ring-shaped core (3) with at least one conductor (4) passing therethrough and carrying the current to be measured, a compensatin...  

Matches 1,051 - 1,100 out of 9,056