Inductor devices inventions 01/08

20080024256 - Disc wound transformer with improved cooling and impulse voltage distribution: The invention is directed to a transformer and a method of manufacturing the same, wherein the transformer has a cylindrical disc-wound coil that includes a layer of cooling ducts disposed between first and second conductor layers. The first and second conductor layers each have a plurality of disc windings arranged... Agent: Paul R. Katterle Abb Inc.

20080024257 - Ignition coil: An ignition coil includes a coil body, a connector, a coil case, a filling resin, and a vent groove. The coil body includes a primary coil, a secondary coil, and a center core. The secondary coil has a secondary spool and a secondary wire wound around the spool. The center... Agent: Nixon & Vanderhye, PC

20080024258 - Ignition coil having plug cap: An ignition coil includes primary and secondary coils accommodated in a coil case extending to define a cylindrical mount portion on a high voltage side. The mount portion includes a high voltage terminal electrically connected with the secondary coil. A coil spring electrically connects the high voltage terminal with a... Agent: Nixon & Vanderhye, PC

20080024259 - Extended e matrix integrated magnetics (mim) core: A matrix integrated magnetics (MIM) “Extended E” core in which a plurality of outer legs are disposed on a base and separated along a first outer edge to define windows there between. A center leg is disposed on the top region of the base and separated from the outer legs... Agent: Slater & Matsil, L.L.P.

20080024260 - Anti-interference transformer: An anti-interference transformer comprises a windings base, an I-shaped core, an E-shaped core and wires, wherein the windings base has a plurality of separating ribs disposed externally thereto so as to form a primary side-region and a secondary side-region and enables different wires to be wound between the separating ribs,... Agent: Rosenberg, Klein & Lee

20080024263 - Inductor: An inductor includes a bobbin, a first winding, a second winding, a core set and a magnetic element. The first and second windings are respectively wound around the bobbin and separated by a partition, which is formed on the bobbin and has a recess for accommodating the magnetic element. The... Agent: Birch Stewart Kolasch & Birch

20080024262 - Transformer with insulating structure: A transformer with insulating structure includes a bobbin, a first winding, a second winding, a core set and a cover. The bobbin has a non-winding area with a plurality of partitions, and an insulating slot is formed between adjacent two partitions. The first winding and the second winding are wound... Agent: Birch Stewart Kolasch & Birch

20080024261 - High voltage transformer: A high voltage transformer is provided in which a primary winding is located selectively and optimally with respect to a secondary winding, and so the primary winding is allowed to be tightly coupled electromagnetically to the secondary winding, while the workability in assembly is improved. In the high voltage transformer,... Agent: Oliff & Berridge, PLC

20080018424 - Inductive sensor: An inductive sensor includes an inductor having one or more loops and a sensor material configured to respond to a parameter of interest by a dimensional change of the sensor material. The sensor material is oriented within the loops of the inductor so that the dimensional change of the sensor... Agent: 3m Innovative Properties Company

20080018425 - Transforming device of power source and transformer thereof: A transformer includes a magnetic element, a first winding, a second winding and a shield. The first winding is wound outside the magnetic element, the second winding is wound outside the first winding, and the shield is disposed between the first winding and the second winding.... Agent: Birch Stewart Kolasch & Birch

20080012673 - Variable-diameter electromagnetic coil: The present disclosure relates to a variable diameter electromagnetic coil. The coil may include a coil winding containing inner and outer winding layers. The coil may incorporate a first hub including one or a plurality of inner supports, one of the inner supports connected to a location on the inner... Agent: Grossman, Tucker, Perreault & Pfleger, PLLC

20080012674 - Magnetic device: A magnetic device to reduce an inductance value and ensure a desired inductance with an excellent DC bias characteristics is described. The magnetic device comprises of a core member formed by press-molding a mixture mixing magnetic powders containing a metal, and a resin-type binder; a conductor provided inside said core... Agent: Von Simson & Chin

20080012675 - Inductive component for high currents and method for the production thereof: An inductive component includes a closed magnetic core and a first conductor that runs at least twice through the interior of magnetic core. The first conductor is a solid conductor that includes several U-shaped pre-bent parts that are tightly connected to one another. The U-shaped pre-bent parts may be each... Agent: Fish & Richardson PC

20080012677 - Circuit breaker-like apparatus with combination current transformer: In a circuit breaker, a current transformer for fault powering trip unit electronics and sensing low currents and high currents includes a core with solid laminations and gapped laminations to sense a wide range of currents from locked-rotor currents to high, instantaneous short-circuit currents in a single current transformer. The... Agent: Schneider Electric / Square D Company Legal Dept. - I.p. Group (np)

20080012676 - Inverter transformer: An inverter transformer includes: a one end open core which is integrally composed of two side legs, one or more inner legs, and a connection bar to connect respective one ends of the side and inner legs while the other ends of the side and inner legs are separated from... Agent: Oliff & Berridge, PLC

20080012678 - Symmetrical inductor: A symmetrical inductor. The inductor comprises first, second, third and fourth semi-circular conductive lines disposed in an insulating layer on a substrate, having first and second ends, respectively. The second semi-circular conductive line makes the first semi-circular conductive line symmetric, in which the first ends of the first and second... Agent: Thomas, Kayden, Horstemeyer & Risley, LLP

20080012679 - Multilayer inductor: A multilayer inductor having a uniformly improved direct current superposition property and an increased inductance value is disclosed. The multilayer inductor contains a laminate of a plurality of first insulating layers and a plurality of conductive layers, and the conductive layers and through hole conductors are connected to form a... Agent: Knobbe Martens Olson & Bear LLP

20080012680 - Devices and methods for redistributing magnetic flux density: Redistributing magnetic flux density within electromagnetic or permanent magnet devices, as described herein, causes the device to increase its utilization of its magnetic core material and thereby increase its power density (Watts/volume). The preferred embodiment uses magnetic core bias currents, synchronized to the device's magnetizing current, through uniform, longitudinally isolated,... Agent: Mr. Norman F. Muelleman

20080007385 - Methods and apparatus for flux dispersal in link inductor: Inductors are described for motor drives or other power converters having an inductor connected in a switching circuit, with one or more conductive shields positioned between an inductor coil winding and a flux-carrying inductor core leg to redirect flux away from the coil winding so as to inhibit heating of... Agent: Rockwell Automation, Inc./fay

20080007379 - Ignition coil and ignition coil system having the same: An ignition coil includes primary and secondary coils, center and outer cores, and an ion current detector for transmitting an ion current detection output. The center core has an axial upper end defining a center core upper end surface. The outer core has an axial upper end defining an outer... Agent: Nixon & Vanderhye, PC

20080007378 - Toroidal core transformer: A polyphase transformer (101) having a number of toroidap cores (102) arranged adjacent to one another in an axial direction is provided. The toroidal cores (102) support phase windings of different phases. The connecting points pf the phase windings of tow adjacent toroidal cores (102) are offset from one another... Agent: Volpe And Koenig, P.C.

20080007380 - Transformer and associated method of making using liquid crystal polymer (lcp) material: A transformer and method of making includes first half primary and secondary windings as metallic circuits that are etched on a metallic cladding of a first liquid crystal polymer (LCP) sheet. Secondary windings are positioned in spaced relation to the primary windings. A second LCP sheet is applied over the... Agent: Allen, Dyer, Doppelt, Milbrath & Gilchrist P.A.

20080007381 - Method and apparatus for substantially reducing electrical earth displacement current flow generated by wound components: A transformer having input and output windings. A sample transformer includes an input winding wound around a core. The input winding has a first end and a second end. An output winding is also wound around the core. The output winding has a first end and a second end. The... Agent: Blakely Sokoloff Taylor & Zafman

20080007382 - Transformer and associated method of making: A transformer and method of making same is disclosed. A substantially planar configured, first half primary winding and first half secondary winding are formed over a substantially planar base. The first half primary and secondary windings are overlaid with a ferrite layer A substantially planar configured, second half primary winding... Agent: Allen, Dyer, Doppelt, Milbrath & Gilchrist P.A.

20080007383 - Transformer and associated method of making using liquid crystal polymer (lcp) material: A transformer and method of making includes first half primary and secondary windings as metallic circuits that are etched on a metallic cladding of a first liquid crystal polymer (LCP) sheet. Secondary windings are positioned in spaced relation to the primary windings. A second LCP sheet is applied over the... Agent: Allen, Dyer, Doppelt, Milbrath & Gilchrist P.A.

20080007384 - Variable inductor: The present invention discloses a variable inductor for high frequency or microwave circuits, comprising a substrate, a fixed inductor, and signal terminals made of metal micro strip line disposed on the substrate, which also comprises a conductive sheet disposed on the substrate for changing the geometry of the metal micro... Agent: Matthias Scholl