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Patent Searching and Data


Matches 551 - 600 out of 3,706

Document Document Title
WO1997047067A3  
WO1997045929A3  
WO1997045933A3  
WO1997045921A3  
WO1997045926A3  
WO1997045907A3  
WO1997045919A3  
WO/1997/048965A1
The invention discloses a mine-clearing coil (1) in particular to be made integral with a mine-clearing vehicle, characterised in that it comprises a magnetic core (4) and in that the ratio of the length over the largest transversal dime...  
WO/1997/047067A2
In the stator winding in a rotating electric machine the winding is situated in radial slots (111) in the stator (106). According to the invention the winding consists of a cable which forms layers at different radial distances from the ...  
WO/1997/045919A2
A rotating electric machine for direct connection to all types of high-voltage networks, in which the magnetic circuit adapted for high voltage comprises a rotor, stator and windings. The winding comprising a conductor surrounded by a so...  
WO/1997/045288A2
In a plant intended for driving traction motors e.g. railway locomotives or motor coaches, and which possibly comprises one or more electric machines provided with insulated conductors, the magnetic circuit in the traction motor(s) and/o...  
WO/1997/045916A1
A rotating electric machine, comprising a stator (1) wound with high-voltage cable and provided with stator teeth (4) extending radially inwards from an outer yoke portion (23), wherein at least one stator tooth (4) in a tooth sector (18...  
WO/1997/045922A1
The magnetic circuit of synchronous compensator plant is included in an electric machine which is directly connected to a high supply voltage of 20-800 kV, preferably higher than 36 kV. The electric machine is provided with solid insulat...  
WO/1997/045847A1
The present invention relates to a power transformer/reactor (14, 15, 16) for high voltages, comprising at least one winding having at least one current-carrying conductor. The winding comprises a solid insulation (7) surrounded by outer...  
WO/1997/045925A1
In a plant comprising one or more electric machines constructed with insulated conductors and connected for heavy current via insulated conductors, the magnetic circuit in at least one of these electric machines is connected directly to ...  
WO/1997/045938A1
The invention relates to a method in the manufacture of a rotating electric machine. The stator windings are obtained by drawing a high-voltage cable with an outer semi-conducting layer through slots in the stator. To avoid damaging vibr...  
WO/1997/045921A2
An electromagnetic device comprises a magnetic field generating electrical circuit including a winding (1) having at least one electrical conductor (2). The winding comprises a solid insulation (4) surrounded by outer and inner layers (3...  
WO/1997/045931A1
The invention relates to an insulated conductor (10) for high-voltage windings in electric machines. The insulated conductor (10) comprises one or more strands (12), an inner, first conductive layer (14) surrounding the strands (12), a f...  
WO/1997/045929A2
In an electric machine including a core of one or more electric conductors (1) surrounded by insulating layers, comprising an inner semiconducting layer (2), an intermediate insulating layer (3) and an outer semiconducting layer (4), the...  
WO/1997/045939A1
The invention relates to a rotating electric machine having a stator (1) with windings drawn through slots (5) in the stator. According to the invention the windings consist of high-voltage cable (6), the cable lead-throughs being surrou...  
WO/1997/045920A1
A conductor for high-voltage windings comprising a stranded conductor core surrounded an electrical high-voltage insulation comprising an inner semi-conducting layer, an insulating layer and an outer semi-conducting layer. The core being...  
WO/1997/045923A1
The magnetic circuit of a generator in a hydro-generator plant is arranged to directly supply a high supply voltage of 20-800 kV, preferably higher than 36 kV. The generator is provided with solid insulation and its winding includes a ca...  
WO/1997/045933A2
In a method for reducing the influence of third harmonic voltages upon direct connection of alternating current machines (1) to a three-phase power network (5), wherein at least one winding of the machine is Y-connected and the neutral p...  
WO/1997/045848A1
The present invention relates to a DC transformer/reactor comprising a magnetic circuit, wherein the magnetic circuit comprises a magnetic core and at least one winding. The winding comprises at least one current-carrying conductor. Each...  
WO/1997/045926A2
An electric high voltage AC machine intended to be directly connected to a distribution or transmission network (16) comprises at least one winding. This winding comprises at least one current-carrying conductor, a first layer having sem...  
WO/1997/045930A1
The invention relates to a conductor for high-voltage windings, preferably for use in the stator of a high-voltage generator, which is designed to ensure uniform current distribution, to counteract eddy-current losses and to ensure that ...  
WO/1997/045924A1
In a plant containing a turbo-generator the magnetic circuit of the turbo-generator is included in an electric generator which directly supplies a high supply voltage of 20-800 kV, preferably higher than 36 kV. The insulation of the gene...  
WO/1997/045918A1
The invention relates to an insulated conductor (30) for high-voltage windings in electric machines and to a method of adapting the same. The insulated conductor comprises a number of strands (12), a first semi-conductive layer (14) surr...  
WO/1997/045927A1
The present invention relates to a rotating electric high voltage machine comprising a stator (8), a rotor (7; 37; 47) and at least one winding. The machine is characterized in that said winding comprises at least one current-carrying co...  
WO/1997/045907A2
The present invention relates to installations for transformerless generation of HVDC and wherein the installation comprises rotating high-voltage single-winding/multiple-winding machines and converters. The single-winding/multiple-windi...  
WO/1997/045912A1
The present invention relates to a rotating asynchronous converter and a generator device. The converter comprises a first stator connected to a first AC network with a first frequency (f1), and a second stator connected to a second AC n...  
WO/1997/045928A1
A device for avoiding wear between the cables in coil-end packages on the stator (1) in a rotating electric machine comprises a resilient layer (10) in the contact area between two cables (4). The cables (4) are mutually secured by a sec...  
WO/1997/013262A1
Although previously known miniature inductances with correspondingly small cores were SMD-capable elements, their bar core length was insufficient to achieve adequate transmission power and their size prevented adequate miniaturisation f...  
WO/1997/004471A1
The invention concerns a method of winding electric tape, without distortion, to produce a large coil, the method calling for the tape (2) to be fed by a feed device (5) on to a rotating former (1) which is several times wider than the t...  
WO/1997/002583A1
A magnetic core comprising a first leg on which a winding is wound, a second leg for guiding the magnetic flux generated in the first leg, and a web for connecting the first leg and the second leg, wherein a magnetic gap is disposed in a...  
WO/1996/027888A1
A power takeoff inductor is an inductor comprised of a hybrid core. Materials with varying low and high permeabilities are combined to create a common hybrid core for the inductor. The inductor can be used in power transmission systems w...  
WO/1996/000449A1
The invention relates to a method of bonding together metallic glass laminations to form a stack and thereafter shaping the stack, e.g. by cutting to form a bulk object, e.g. a wound stator of an electric motor. The method involves coati...  
WO/1995/029493A1
A choke coil used in electronic equipment, etc., for consumer and industrial uses as a countermeasure against harmonic distortion. The choke coil comprises a first magnetic core (1) forming a closed or open magnetic circuit, a second mag...  
WO/1995/028722A1
A transformer/inductor comprising magnetic elements having one or more coils, wherein the magnetic elements have a generally U-shaped configuration and are mutually joined and face in mutually opposite directions with the legs of one U-s...  
WO/1995/008510A1
A method and apparatus for treating a fluid such as water in a conduit, for the purpose of inhibiting scale formation or corrosion, wherein a succession or radio frequency signals are used to create an electromagnetic field having genera...  
WO/1994/015346A1
Commercial and medical use of discharge-pumped lasers such as excimer lasers, metal vapor lasers, and pulsed CO2 lasers has resulted in the demand for increased repetition rates to provide increased total power output. Increased repetiti...  
WO/1994/011890A1
The present invention relates to a process for edge coating amorphous ribbon transformer cores (1) comprising the steps of applying to at least one face exclusive of the distributed gap portion (7), a first porous material having a poros...  
WO/1994/006131A1
The invention relates to a choke coil, the impedance of which can be matched within certain limits to a predetermined impedance, and a process for setting the impedance of the choke coil of the invention. The choke coil of the invention ...  
WO/1993/017445A1
A deflection apparatus for high perveance ion beams, operating at 20 Hz fundamental and substantially higher order harmonics, has a magnetic structure formed of laminations (72) with thickness in range between 0.2 and 1 millimeter. A com...  
WO/1993/016479A1
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...  
WO/1992/020522A1
An iron powder composition comprising an iron powder coated with a substantially uniform coating of a thermoplastic material and admixed with a boron nitride powder and a method of utilizing the mixture to produce a magnetic core compone...  
WO/1992/006480A1
A magnetic core obtained by laminating or winding a magnetic thin belt and an electrically insulating material, and wherein a relation 0.5a b < a is maintained, where a is the width of the magnetic thin belt and b is the width of the ele...  
WO/1991/018404A1
A magnetic core (2) is fabricated from ferromagnetic metallic glass ribbon and mica paper insulation (1). The ribbon and insulation are co-wound, so that layers comprise alternate concentric rings. The wound core is then annealed in a va...  
WO/1991/015020A1
A magnetic core obtained by winding a long sheet of thin alloy or by laminating short sheets thereof. The surface roughness of the thin alloy sheet or sheets is limited to lie within a predetermined range in order to improve the squarene...  
WO/1991/012960A1
A laminated amorphous metal strip has a first layer (13) with at least two side-by-side strips of amorphous metal (11, 12) of unequal widths, and a second layer (15) with at least two side-by-side strips of amorphous metal (16, 17) of un...  

Matches 551 - 600 out of 3,706