Abstract: A heat spreader is disclosed. The heat spreader includes a body member, a first fin connected to the body member, a second fin connected to the body member, a third fin connected to the body member, and a fourth fin connected to the body member. The first and second fins define a first spacing therebetween. The second and third fins define a second spacing therebetween. The third and fourth fins define a third spacing therebetween. The second spacing is greater than the first spacing and the third spacing.

Abstract: A stick-shaped ignition coil includes a primary and secondary coils, a plurality of annular protrusions, a thin film sheet, a sub-assembly and a case. The annular protrusions are integrally formed on the outer circumferential periphery of the upper end portion of the primary coil arranged on the radially outer side. The thin film sheet covers the primary coil and the outer circumferential periphery of the plurality of annular protrusions. The sub-assembly is press-inserted to the outer circumferential periphery of the plurality of annular protrusions via the thin film sheet. The sub-assembly, which is electrically insulative, supports a lead portion of the primary winding. The case is press-inserted to the outer circumferential periphery of the cylindrical member.

Abstract: An inductive coupler for downhole components. The inductive coupler includes an annular housing having a recess defined by a bottom portion and two opposing side wall portions. At least one side wall portion includes a lip extending toward but not reaching the other side wall portion. A plurality of generally U-shaped MCEI segments, preferably comprised of ferrite, are disposed in the recess and aligned so as to form a circular trough. The coupler further includes a conductor disposed within the circular trough and a polymer filling spaces between the segments, the annular housing and the conductor.

Abstract: A modular inductor arrangement is provided in which a footprint of an enclosure for single or multiple phase inductors provides enhanced thermal transfer. The inductor coil may be wound about an axis generally parallel to a mounting surface of the package, so as to provide for reduced height and expanded footprint dimensions. The inductor package may be mounted on a thermal support, such as a fluid-cooled support. Heat is extracted from the assembly during operation, so as to establish a reduced maximum internal temperature as compared to here for known structures. The arrangement may be included in various circuit configurations, such as power converters. Other components may be incorporated and integrated into the package, including sensors, capacitor coils, other inductor coils, and so forth.

Abstract: An ignition coil is constructed of a center core, a primary coil, a secondary coil, and an outer circumferential core. The center core and the outer circumferential core are connected with each other via a first magnetoresistive member on one axial end side. The center core and the outer circumferential core are connected with each other via a second magnetoresistive member on the other axial end side. A permanent magnet is arranged in an axially central portion of the center core. A magnetic passage is formed of the center core, the permanent magnet, the first magnetoresistive member, the outer circumferential core, and the second magnetoresistive member. Magnetic flux generated by the primary coil is reduced through the first and second magnetoresistive members, and is reverse-biased by the permanent magnet.

Abstract: An ignition coil includes a cylindrical portion that includes a primary coil and a secondary coil, which are coaxially wound. The cylindrical portion can be inserted into a plughole of an engine. The cylindrical portion has a tip end in an axial direction thereof. The tip end of the cylindrical portion has a plug mounting hole, into which a sparkplug is mounted. The plug mounting hole accommodates a high voltage terminal, which electrically connects with one of the secondary coil, and a coil spring, which makes contact with the high voltage terminal. The cylindrical portion has a base end portion in one axial end thereof. The base end portion of the cylindrical portion includes at least one flange portion. The at least one flange portion radially outwardly protrudes. The at least one flange portion has multiple bolt insertion holes, through which a bolt is respectively inserted.

Abstract: The winding (3) of an ignition coil device (1) is to be better sealed in order to afford it more protection from fouling, moisture, and reagents of all kinds. Provision is accordingly made such that there is introduced between a winding element (2) and an outer metal jacket (5) a rubber insulating element (7) having a sealing profile (8). As a result, improved sealing from the winding element (2) and the outer metal jacket (5) is provided. As an alternative, provision may be made such that the insulating element (7) including a sealing compound (10) is introduced between the outer metal jacket (5) and the winding element (2).

Abstract: An ignition coil has a connector electrically connected to an external circuit, an igniter for accommodating a switching element adapted to cause a current supplied from the connector to be intermittent, a primary coil portion for generating a predetermined voltage by the intermittent current, a secondary coil portion for stepping up the generated voltage and applying the resulting voltage to an ignition plug, and a resin insulating material which hardens in between the primary coil portion and the secondary coil portion to ensure insulation between the primary coil portion and the secondary coil portion. An outer shell of the igniter is formed of the resin insulating material.

Abstract: A stick-type ignition coil have a central core, a cylindrical member, primary spool, primary coil, secondary spool, secondary coil, outer core and a resin insulator. The two longitudinal end corners and faces of the core are covered by respective buffer members. The inner circumferential corners of the outer core supported by ring members. Some of the members disposed radially inside and other members disposed radially outside of the inside members are held slidably to each other in the ignition coil. The spools are made of resin containing a rubber in excess of 5 weight percent and reinforcing materials. The resin insulator contains a flexible material.

Abstract: The present invention discloses a radio frequency integrated circuit and a method for manufacturing the same. The radio frequency integrated circuit is manufactured by forming an inductor and a passivation layer on an insulator substrate of a first substrate, forming an element layer having a multi-layer wiring structure on a semiconductor substrate, an inductor coupling line formed on the top portion of the element layer, first and second via contact plugs formed on the inductor coupling line, and an input/output pad coupled to the second via contact plug on a second substrate, and bonding the first substrate onto the second substrate, so that the inductor of the first substrate can be coupled to the first via contact plug of the second substrate. As a result, the radio frequency integrated circuit includes the inductor having a high Q value, by forming the inductor sufficiently separately from the semiconductor substrate on which the elements have been formed.

Abstract: A robust transmission element for transmitting information between downhole tools, such as sections of drill pipe, in the presence of hostile environmental conditions, such as heat, dirt, rocks, mud, fluids, lubricants, and the like. The transmission element maintains reliable connectivity between transmission elements, thereby providing an uninterrupted flow of information between drill string components. A transmission element is mounted within a recess proximate a mating surface of a downhole drilling component, such as a section of drill pipe. The transmission element may include an annular housing forming a trough, an electrical conductor disposed within the trough, and an MCEI material disposed between the annular housing and the electrical conductor.

Abstract: A magnetic core assembly for an ignition coil assembly allows unique exterior shapes to be formed by an outer insulation layer, while speeding up the manufacturing process. Generally, the magnetic core assembly comprises a core of ferromagnetic material and an overmold over the exterior of the core. The overmold generally comprises an insulating layer injection molded over the core. Various structures may be incorporated into the core assembly for injection molding, while a second insulative layer provides additional thermal and electrical insulation.

Abstract: An ignition apparatus includes a core formed of magnetically-permeable material extending along a main axis, a primary winding disposed about the core, a secondary winding disposed on a secondary winding spool wherein at least one of the secondary winding leads is connected to a high-voltage connector terminal configured for connection to a spark plug, a case formed of electrical insulating material, and a magnetically-permeable shield disposed inwardly of the case and allowed to electrically float with respect to ground and a power source.

Abstract: The present invention includes a method of making an inductive coupler for downhole components. The method includes providing an annular housing, preferably made of steel, the housing having a recess. A conductor, preferably an insulated wire, is also provided along with a plurality of generally U-shaped magnetically conducting, electrically insulating (MCEI) segments. Preferably, the MCEI segments comprise ferrite. An assembly is formed by placing the plurality of MCEI segments within the recess in the annular housing. The segments are aligned to form a generally circular trough. A first portion of the conductor is placed within the circular trough. This assembly is consolidated with a meltable polymer which fills spaces between the segments, annular housing and the first portion of the conductor. The invention also includes an inductive coupler including an annular housing having a recess defined by a bottom portion and two opposing side wall portions.

Abstract: A reactor unit comprises a basket body, a plurality of reactor bodies, a lid body, and a mold resin. The basket body has one open face and is made of a metal. The reactor bodies are accommodated in the basket body. The lid body is made of a metal and closes an open end of the basket body. Outlet holes are formed in the lid body. The mold resin is a curable resin. The basket body is filled with the mold resin, with a coil of each of the reactor bodies having been drawn out from a corresponding one of the outlet holes of the lid body. In this reactor unit, at least one partition, which is located between the reactor bodies and whose leading end extends from an inner face of at least one of the basket body and the lid body and abuts on an inner face of the other, is formed protrusively.

Abstract: The invention provides a noise elimination device that can be installed easily on a coaxial cable and that can effectively eliminate noise from both the center conductor and the outer conductor. Coaxial connectors 2 and 3 are provided on both ends of a tube-shaped housing 1 made of an insulator, and a coil made by winding a coaxial cable of thin diameter is around an open magnetic ferrite core is disposed inside the housing 1 and connected to the connectors 2 and 3 at the two ends. The earth-side connector thickness of the outer conductor of the coaxial cable and the connector as well as all earth-side conductors, such as shield members 7 connecting the connectors with the outer conductors of the coaxial cable, is at least 0.1 mm.

Abstract: A robust data transmission element for transmitting information between downhole components, such as sections of drill pipe, in the presence of hostile environmental conditions, such as heat, dirt, rocks, mud, fluids, lubricants, and the like. The data transmission element components include a generally U-shaped annular housing, a generally U-shaped magnetically conductive, electrically insulating element such as ferrite, and an insulated conductor. Features on the magnetically conducting, electrically insulating element and the annular housing create a pocket when assembled. The data transmission element is filled with a polymer to retain the components within the annular housing by filling the pocket with the polymer. The polymer can bond with the annular housing and the insulated conductor but preferably not the magnetically conductive, electrically insulating element.

Abstract: An arrangement and a method for use in installation procedures for subsea transformers. A central, hole or tube is included in an encapsulation enclosing a transformer that is to be installed. Three core elements of the transformer are arranged symmetrically around the hole or tube forming a triangle or a delta. The transformer is lowered towards a a foundation placed on the sea floor wherein a guide pin is mounted. When the transformer has found its way to the foundation, the guide pin will enter the tube, and the transformer will slide down onto the guide line pin. The tube is terminated by a funnel shaped opening, thus making it easier not to miss the guide pin by the tube opening. The transformer is horizontally oriented by means of orientation keys localized within the tube.

Abstract: A solenoid stator assembly and manufacturing method for an electro-mechanically actuated fuel injector. The solenoid stator assembly comprises a permeable stator core and a stator coil. A housing formed of an electrically insulating material is located about the stator core and stator coil such that a distal end of the stator core is oriented proximate to an armature of the fuel injector. A pair of terminals extends into the housing to a pair of leads for the stator coil to energize the stator coil and generate a magnetic field for actuating the fuel injector armature. A reinforcement structure is disposed generally about the stator core within the housing to improve the robustness of the stator assembly.

Abstract: An ignition coil comprises a housing, a rod-shaped center core 54 arranged substantially at the center within the housing, a thermal stress relaxing member 52 covering the outer circumferential surface of the center core 54, a cylindrical spool 4 arranged on the outer circumferential side of the thermal relaxing member 52 with a gap 9 in between and a resin insulating material 8a with which the gap 9 is filled and which hardens. The thermal stress relaxing member 52 is wound around the center core 54 and the thickness of the thermal stress relaxing member 52 is set to a thickness so that the thermal stress, which is caused by the thermal deformation of the center core 54 and is applied to the resin insulating material 8a, is reduced and reaches a saturation value thereof.

Abstract: A stick-shaped ignition coil includes a center core, a primary coil, a secondary coil, and a body case that are substantially coaxially arranged relative to each other. The ignition coil further includes an igniter, a head case, a holder, and an electrically insulative resin. The head case accommodates the igniter. The head case is provided to an upper end portion of the body case. The holder is arranged between the igniter and upper ends of all the center core, the primary coil, and the secondary coil. The electrically insulative resin is filled in a first space, which is formed among the center core, the primary coil, the secondary coil, the body case, and the holder. The holder has at least one resin flow hole, through which epoxy resin is supplied into the first space, and at least one vent hole, through which air in the first space is vented to an outside.

Abstract: A stick-type ignition coil have a central core, a cylindrical member, primary spool, primary coil, secondary spool, secondary coil, outer core and a resin insulator. The two longitudinal end corners and faces of the core are covered by respective buffer members. The inner circumferential corners of the outer core is supported by ring members. Some of the members disposed radially inside and other members disposed radially outside of the inside members are held slidably to each other in the ignition coil. The spools are made of resin containing a rubber in excess of 5 weight percent and reinforcing materials. The resin insulator contains a flexible material.

Abstract: An ignition coil device has a secondary spool, a secondary coil wound around the secondary spool, a coil insulating resin material that is impregnated into and cured in spaces between the windings of the secondary coil, a primary spool arranged on the secondary coil, a primary coil wound around the primary spool, and a high voltage tower that is arranged on one end side in the axial direction of these parts and is mounted with an ignition plug. At least one of two parts of the primary spool and the high voltage tower and the coil insulating resin material are integrally molded out of the same resin.

Abstract: A common-mode choke coil includes a core having flanges disposed at both ends and a winding section arranged between the flanges. Electrodes are disposed in the flanges, while two pieces of wire are wound around the winding section and ends of the pieces of wire are connected to the electrodes. A ferrite plate with a relative magnetic permeability that is smaller than that of the core is attached on the upper surface of the flanges with an adhesive so as to cover the wire.

Abstract: An inductance element having a drum core around which a winding is to be wound and a ring core surrounding a circumference of the drum core, in which projections are provided either on an outer side surface of an upper flange section of the drum core or an inner side surface of the ring core, and recessions are provided in the other side surface to fit with the projections, each of the recession having an inclined plane inclining from the deepest part of the recession toward the outer edge on one side of the recession and having a bilaterally asymmetric cross-sectional shape with respect to a perpendicular line drawn from the deepest part to an opening of the recession viewing from the direction of an upper surface of the ring core.

Abstract: A stick-shaped ignition coil includes a center core, a primary and secondary coils arranged on the radially outer side of the center core, a metallic outer core arranged on the radially outer side of the primary and secondary coils, an upper case connected to the upper end of the primary and secondary coils, and at least one positioning portion formed on the radially outer periphery of the upper case. The upper case and the positioning portion are at least partially received in the plughole. The positioning portion is in proximity to or makes contact with the inner periphery of in the plughole in the radial direction of the plughole. Thus, the ignition coil can be properly positioned in the plughole formed in a cylinder head of an internal combustion engine.

Abstract: A transformer comprises a rectangular insulative housing, a plurality of inductive coils received in the insulative housing, and a plurality of soldering tails. The insulative housing includes a bottom wall and four sidewalls, and forms a plurality of partitions therein for receiving the inductive coils. Each inductive coil has a first wire and a second wire. The soldering tails are provided at two opposing sidewalls of the insulative housing. Each soldering tail has a soldering end at exterior of the insulative housing for electrically connecting with a PCB of a communication connector, and a wiring end at interior of the insulative housing for connecting with the first wire and the second wire of the inductive coils. The transformer is modularly produced, and is tested before it is assembled to a communication connector. Thus the manufacture process is flexible and the communication connector provides stable signal transmission.

Abstract: A resin composition includes a thermosetting resin and a filler dispersed in the thermosetting resin. A filler particle size curve represents a small-diameter peak, a large-diameter peak having a higher frequency than that of the small-diameter peak, and a valley which is positioned between the small-diameter peak and the large-diameter peak and has a lower frequency than that of the small-diameter peak. An ignition coil device allows the resin composition to penetrate into gaps between turns of a coil wire.

Abstract: Electromagnetic devices are provided including an electrically conductive core having an inner diameter defining an opening therethrough and an outer diameter, the core having sharp edges extending circumferentially around the inner diameter and around the outer diameter thereof. A plurality of polymeric protection members are wrapped circumferentially around the core and positioned adjacent the sharp edges of the core. The protection members have a short leg positioned adjacent an end of the core. A coated wire is wrapped around the core so as to be magnetically coupled thereto and around the polymeric protection members so as to be displaced from the sharp edges of the core. Polymeric protection members and methods for manufacturing such members and for fabricating devices using such members are also provided.

Abstract: The present invention is directed to a method of installing transformer winding coils, including the steps of: providing a transforming including a magnetic core assembly, a primary winding coil, a secondary winding coil, a winding frame, and an enclosure, wherein the primary winding coil and the secondary winding coil are respectively wounded around the winding frame; wrapping the portions of the winding coils wounded around the winding frame with a tape and leading out a plurality of winding outlets from the winding frame; positioning the magnetic core assembly and the winding frame fixedly within the enclosure; and directly securing the winding outlets to a printed circuit board such that the transformer can be electrically connected to the printed circuit board.

Abstract: A magnetic core has a toroidal configuration, formed by winding an iron-based amorphous metal ribbon. Thereafter the core is heat-treated to achieve a linear B-H characteristic. Advantageously, the linear B-H characteristic does not change with the level of magnetic fields applied and the frequency utilized. With such properties, the core is especially suited for use in a current transformer.

Abstract: A transformer coil is produced by forming a sheet of composite material over a plurality of annular shaped support plates to form an inner layer. A coil is wound around the inner layer. An outer layer is formed by wrapping a sheet of composite material over the coil. The outer layer is mechanically attached to the coil. A base is attached to the coil assembly and epoxy is used to encapsulate the coil. The epoxy forms a bond with the inner and outer layers, which become an integral part of the transformer coil.

Abstract: A stick-type ignition coil have a central core, a cylindrical member, primary spool, primary coil, secondary spool, secondary coil, outer core and a resin insulator. The two longitudinal end corners and faces of the core are covered by respective buffer members. The inner circumferential corners of the outer core is supported by ring members. Some of the members disposed radially inside and other members disposed radially outside of the inside members are held slidably to each other in the ignition coil. The spools are made of resin containing a rubber in excess of 5 weight percent and reinforcing materials. The resin insulator contains a flexible material.

Abstract: A common mode choke coil comprises: a holder including side walls which have wire guide strips respectively formed at their sides and which have vertical guide grooves and horizontal flange stoppers both formed at their inner side surfaces; a coil assembly with edgewise windings of a rectangular wire provided around a bobbin with flanges; and a core securing plate spring, wherein the coil assembly is fixedly set in a correct position inside the holder such that protrusions formed at the flanges are put through the guide grooves thereby fixedly holding the bobbin in place horizontally while the flanges are locked by the flange stoppers thereby fixedly holding the bobbin in place vertically, and wherein lead wires of the edgewise windings are bent at upper ends of the wire guide strips, and then extend along the wire guide strips.

Abstract: An oil-filled pole-mounted distribution transformer comprises a tank housing a transformer core-coil assembly immersed in cooling oil. The tank is made of a corrosion-proof composite material and a radiator is provided for cooling the oil. The radiator is external to the tank and has a hot oil inlet and a cool oil outlet located at different levels into the tank for causing a natural circulation of oil through the radiator by thermal siphoning.

Abstract: A device for electrically interconnecting and packaging electronic components. A non-conducting base member having a component recess and a set of specially shaped lead channels formed therein is provided. At least one electronic component is disposed within the recess, and the conductors of the component are routed through the lead channels. A set of insertable lead terminals, adapted to cooperate with the specially shaped lead channels, are received and captured within the lead channels, thereby forming an electrical connection between the lead terminals and the conductors of the electronic component(s). A method of fabricating the device is also disclosed.

Abstract: With an ignition coil module comprising a coil system which includes a primary winding and a secondary winding and a flux conducting, soft magnetic device to increase and/or to conduct a magnetic flux generated by one of the windings and comprising an electronic component to control the coil system which has an electrical circuit and a heat sink to cool the electronic component, at least one section of the heat sink is connected to a section of the flux conducting device in a thermally conductive manner such that waste heat of the electronic component can be dissipated over the section of the flux conducting device.

Abstract: The present invention is characterized in that, in a powder magnetic core obtained by compaction of an iron-based magnetic powder covered with an insulation film, a saturation magnetization Ms is Ms?1.9 T in a 1.6 MA/m magnetic field; a specific resistance ? is ??1.5 ??m; a magnetic flux density B2k is B2k?1.1 T in a 2 kA/m magnetic field; and a magnetic flux density B10k is B10k?1.6 T in a 10 kA/m magnetic field. In accordance with the present invention, it has been possible to industrially carry out compacting iron-based magnetic powders under remarkably high compacting pressures. As a result, high-performance powder magnetic cores are obtained which have a high density, and which are good in terms of the specific resistance and magnetic permeability.

Abstract: A transformer includes at least two magnetically coupled cores with a common axis. The cores have cross sectional configurations transverse to the common axis which are not rectangular. An exciting voltage is to be applied across a first winding provided on one of the cores. A second winding provided on one of the cores includes first and second terminals across which a voltage is to be induced in response to the exciting voltage. A first device provides a relatively higher impedance between the first and second terminals of the second winding. The first device is coupled between the first and second terminals. Third, fourth and fifth windings have respective first and second terminals. The third and fourth windings are wound on one of the cores with a first polarity. The fifth winding is wound on one of the cores with a second polarity opposite to the first polarity.

Abstract: A bobbin for hybrid coils in planar magnetic components including an outer bobbin component configured to hold planar magnetic circuits and an inner bobbin component configured to hold a conventional winding of a multitude of substantially round-section insulated conductor wires.

Abstract: In a stick coil, there is disclosed an ignition coil for an internal combustion engine which can prevent a crack (a collar leak) from being generated due to a thermal stress. In this ignition coil, the structure is made such that a size (L) of a portion which is in parallel to an axial direction of a primary spool (121) in a projection portion (121b) is larger than a size (T) of a portion which is in parallel to an orthogonal direction to the axial direction of the primary spool (121). Accordingly, a frontal projected area of the projection portion (121b) as seen from a flowing direction of a resin becomes small, a resin flow is hard to get out of order at a time when the resin flows through a portion corresponding to the projection portion (121b) at the forming time, and a convoluted void and a weld are hard to be generated.

Abstract: A housing for a transformer is disclosed. According to one embodiment, the housing includes a top portion, and first, second, third and fourth side portions connected to the top portion. The side portions define an opening. The third side portion includes a first alignment tab and the fourth side portion includes a second alignment tab. The housing also includes first, second, third and fourth termination legs. The first and second termination legs are proximate the third side portion, and the third and fourth termination legs proximate the fourth side portion. A transformer may be disposed in the opening defined by the side portions of the housing.

Abstract: An axially potted progressive wound remote mount ignition coil (axially potted ignition coil) includes a coil case, at least one coil assembly, and a quantity of potting material. Each coil assembly is progressively wound. The coil case includes a coil cavity for each coil assembly, a primary connector, and two secondary connectors for each coil cavity. Each primary coil is connected to the primary connector and an end of each secondary coil is connected to a single secondary connector. A quantity of potting material is poured over the open end of each coil cavity. A second embodiment of the axial potted ignition coil includes a modular coil case, at least one coil assembly, and a quantity of potting material. The modular coil case includes at least one coil tube, a rear end cap and a forward end cap. Each coil assembly is inserted into a respective coil tube.

Abstract: The present invention provides a composite magnetic body containing metallic magnetic powder and thermosetting resin and having a packing ratio of the metallic magnetic powder of 65 vol % to 90 vol % and an electrical resistivity of at least 104 ?·cm. When a coil is embedded in this composite magnetic body, a miniature magnetic element can be obtained that has a high inductance value and is excellent in DC bias characteristics.

Abstract: Disclosed are a method and a device for cooling a high voltage transformer for a microwave oven, in which the high voltage transformer is sealed so as to separate a coil and a core from the outside and to improve a cooling effect, and in which electric connection lines leading from the high voltage transformer are effectively treated and a fixed structure of a container for accommodating the high voltage transformer is improved so as to protect users of the high voltage transformer from dangers such as an electrical shock occurring in inspecting the microwave oven, thereby improving performance and quality of the microwave oven and the high voltage transformer.

Abstract: An interesting coil supporting unit for an engine includes an elongated casing and a plurality of coil units. Each coil unit has a coil support portion and an ignition coil. The coil support portions are disposed inside the casing at predetermined intervals. The casing and the respective coil support portions are fastened to a cylinder block by means of a plurality of bolts. In this state, each coil unit is supported by the corresponding bolt so as to be slidable in its radial direction. Therefore, the coil units can be positionally slid in the casing and thereby installed easily on the engine.

Abstract: A circuit board for an ignition coil in an internal combustion engine is provided. The ignition coil is in electrical connection with a control module and a spark plug having a pair of gap posts. The ignition coil includes a primary winding having an electrical current, a secondary winding in electrical connection with the spark plug and configured to induce a second electrical current between the gap posts, and an ionization current sensing integrated circuit configured to generate an ionization signal based on the secondary current between the gap posts. The ignition coil also includes a circuit board having an ionization connection in electrical connection with the secondary winding and with the ionization current sensing integrated circuit.

Abstract: An ignition coil has a connector electrically connected to an external circuit, an igniter for accommodating a switching element adapted to cause a current supplied from the connector to be intermittent, a primary coil portion for generating a predetermined voltage by the intermittent current, a secondary coil portion for stepping up the generated voltage and applying the resulting voltage to an ignition plug, and a resin insulating material which hardens in between the primary coil portion and the secondary coil portion to ensure insulation between the primary coil portion and the secondary coil portion. An outer shell of the igniter is formed of the resin insulating material.

Abstract: A bulk amorphous metal inductive device comprises a magnetic core having at least one low-loss bulk ferromagnetic amorphous metal magnetic component forming a magnetic circuit having an air gap therein. The component comprises a plurality of similarly shaped layers of amorphous metal strips bonded together to form a polyhederally shaped part. The device has one or more electrical windings and is easily customized for specialized magnetic applications, e.g. for use as a transformer or inductor in power conditioning electronic circuitry employing switch-mode circuit topologies and switching frequencies ranging from 1 kHz to 200 kHz or more. The low core losses of the device, e.g. a loss of at most about 12 W/kg when excited at a frequency of 5 kHz to a peak induction level of 0.3 T, make it especially useful at frequencies of 1 kHz or more.

Abstract: A subsea electrical power distribution system including a first chamber (20) housing a transformer, a second chamber (30) housing a power distribution system with busbars (32) for distribution of power to individual consumers connected to said busbars via connectors (33). The interface between the first and second chamber includes a flexible membrane (22) allowing the oil in the first chamber to expand into the second chamber and vice versa. The second chamber being connected to an external volume expansion chamber (34) allowing the pressure in the second chamber to balance against the pressure of the ambient sea.