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| Number | Title | Issue Date |
| 7352269 | Method for making magnetic components with N-phase coupling, and related inductor structures Methods and structures for constructing a magnetic core of a coupled inductor. The method provides for constructing N-phase coupled inductors as both single and scalable magnetic structures, where N is an integer greater than 1. The method additionally describes how... | 04/01/2008 |
| 7332992 | Transformer Disclosed herein is a transformer including: an iron core; and a winding wound around the iron core; wherein the iron core includes a column-shaped output side iron core part, a plurality of column-shaped input side iron core parts, and a connecting iron core part, ... | 02/19/2008 |
| 7271695 | Electromagnetic apparatus and method for making a multi-phase high frequency electromagnetic apparatus An electromagnetic apparatus includes: (a) A magnetic material arranged in a core structure establishing a first flux path set and a second flux path set; the first flux path set includes a first middle flux path oriented about a first axis and two first side flux p... | 09/18/2007 |
| 7136293 | Full wave series resonant type DC to DC power converter with integrated magnetics A full wave DC/DC converter magnetically integrates into the transformer assembly the functions of the resonant inductor, magnetizing inductor and the output filter inductor. The primary and the secondary windings are assembled on a gapped center leg of an E-core, w... | 11/14/2006 |
| 7034647 | Integrated magnetics for a DC-DC converter with flexible output inductor An integrated magnetic assembly that allows the primary and secondary windings of a transformer and a separate inductor winding to be integrated on a unitary magnetic structure is disclosed. The unitary magnetic structure includes first, second, and third legs that ... | 04/25/2006 |
| 6952353 | Integrated magnetic isolated two-inductor boost converter A two-inductor boost converter includes an integrated magnetic core having a three-legged flux-conducting element with an energy-storing gap, for example in the center leg. Two primary windings are disposed on respective legs, such as the outer legs, and are coupled... | 10/04/2005 |
| 6945690 | System for holding paint container A holder for mixing a container of paint is disclosed. The system comprising a body having a cover and a base. The system also comprises an aperture in the cover of the body. The system also comprises a cavity in the body and accessible through the aperture and conf... | 09/20/2005 |
| 6937130 | Magnetic field production system, and configuration for wire-free supply of a large number of sensors and/or actuators using a magnetic field production system A magnetic field production system is proposed and has a two-dimensional winding configuration with two windings. The windings are disposed essentially orthogonally with respect to one another and enclose a machine or system. The windings have winding axes that are ... | 08/30/2005 |
| 6933822 | Magnetically influenced current or voltage regulator and a magnetically influenced converter A magnetically influenced current or voltage regulator includes a body of an anisotropic magnetisable material that provides a closed magnetic circuit. A first electrical conductor is wound around the body along at least a part of the close circuit for at least one ... | 08/23/2005 |
| 6822545 | Integrated circuit inductors The invention relates to an inductor comprising a plurality of interconnected conductive segments interwoven with a substrate. The inductance of the inductor is increased through the use of coatings and films of ferromagnetic materials such as magnetic metals, alloy... | 11/23/2004 |
| 6791447 | Configuration for producing electrical power from a magnetic field A configuration for producing electrical power from a magnetic field includes a three-dimensional winding configuration formed from a central core of a magnetic material on which at least three windings are fitted. The windings have winding axes each disposed at rig... | 09/14/2004 |
| 6774758 | Low harmonic rectifier circuit Non-linear inductor(s) are used to reduce the percent total harmonic distortion of the harmonics in the line currents in the input side rectifier system of an ac drive system. Several constructions for the non-linear inductor(s) are described. The non-linear inducto... | 08/10/2004 |
| 6765467 | Core support assembly for large wound transformer cores Transformer cores, especially those of wound or laminated annealed amorphous metals which include support assemblies are disclosed. Methods for their manufacture, and their use in assembled transformers are also disclosed. ... | 07/20/2004 |
| 6744343 | Flyback transformer mounting structure for video apparatus A flyback transformer is mounted on a main wiring board formed with a power circuit. A mounting bracket shaped like an L-character in plan view is integrally molded on a chassis. A mounting portion disposed at the top of the flyback transformer is fixed by screws to... | 06/01/2004 |
| 6734773 | Transformer with integrated inductor A transformer having an additional integrated inductor includes a first core (1) having at least a primary winding (5), a second core (2) having at least a secondary winding (4), and a third core (3), in which each core (1, 2, 3... | 05/11/2004 |
| 6400249 | Transformer providing low output voltage A transformer providing low output voltage. A transformer core has two outer leg portions and a center portion. A primary winding has a first portion looped around one of the legs so that a current passed through the first winding will produce a magnetic ... | 06/04/2002 |
| 6366034 | Electric current variable-type inductor having closed loop characteristics and a horizontal linearity compensation circuit A current variable inductor having closed loop characteristics and a horizontal linearity compensation circuit. The current variable inductor having the closed loop characteristics is constructed with the legs of the first E-shaped core and the legs of th... | 04/02/2002 |
| 6362718 | Motionless electromagnetic generator An electromagnetic generator without moving parts includes a permanent magnet and a magnetic core including first and second magnetic paths. A first input coil and a first output coil extend around portions of the first magnetic path, while a second input... | 03/26/2002 |
| 6137391 | Flux-controlled type variable transformer A flux-controlled variable transformer can control voltage at a high speed without using any voltage adjusting tap. The transformer has a first and second magnetic circuits. The first magnetic circuit is composed of a first and second U-cut cores (13 and ... | 10/24/2000 |
| 6046664 | Welding power supply transformer apparatus and method A welder power supply configuration wherein the power supply includes a combined transformer and inductor assembly wherein the combined transformer and inductor assembly is comprised of a four-legged core, primary windings, secondary windings and inductor... | 04/04/2000 |
| 6014071 | Choke coil A choke coil for preventing harmonic distortions having a plurality of laminated iron core sheets formed into a core. A first coil is wound around a first limb of a first core, and a second coil is wound around a first limb of a second core. A third coil ... | 01/11/2000 |
| 5977853 | Choke coil for eliminating common mode noise and normal mode noise There is provided a choke coil having a sufficient noise eliminating effect against common mode and normal mode noises. The choke coil has two bobbins, a pair of windings wound around the respective bobbins, first and second magnetic cores which are each ... | 11/02/1999 |
| 5841335 | Choke coil A choke coil for preventing harmonic distortions, used with home-use and industrial electronic apparatuses, is designed to reduce the apparatus size, reduce leakage fluxes and realize superior high-frequency characteristics. In order to achieve this objec... | 11/24/1998 |
| 5793273 | Choke coil for suppressing common-mode noise and normal-mode noise A choke coil exhibits sufficient capability in suppressing both common-mode noise and normal-mode noise while inhibiting an occurrence of magnetic saturation of a magnetic core. A terminal stand is formed of a frame and a magnetic plate. A split-type bobb... | 08/11/1998 |
| 5675306 | Resonant electromagnetic field amplifier utilizing a magnetic LRC resonant circuit A method and apparatus to amplify the magnetic field in an electromagnetic circuit is provided. Amplification factors of several orders of magnitude may be obtained. The system is applicable to a number of different systems, including melt levitation and ... | 10/07/1997 |
| 5639566 | Magnetic core A magnetic core obtained by laminating or winding a magnetic material ribbon and an electrical insulating material wherein the magnetic core has the relationship of 0.5 aࣘb | 06/17/1997 |
| 5481238 | Compound inductors for use in switching regulators Compound inductors for use in switching regulators have two or more symmetrically coupled windings so the component size is reduced as well as a reduction in power losses compared with conventional inductors. The compound inductors may be used in buck and... | 01/02/1996 |
| 5155676 | Gapped/ungapped magnetic core The novel magnetic core structure of this invention provides a combination of large differential type inductance and some common mode type inductance while accommodating common mode dc current in two parallel planar conductors such as bus bars or printed ... | 10/13/1992 |
| 4914381 | Direct-coupled fluxgate current sensor A direct-coupled fluxgate current sensor which is driven to hard saturation to achieve a sudden change in magnetic properties of the sensor, has: (a) a first closed loop core of ferromagnetic material encased in a sleeve wound with a first toroidal drive ... | 04/03/1990 |
| 4853668 | Integrated magnetic converter core Novel switched mode boost-buck integrated magnetic power converters are disclosed featuring unique core shapes, two winding bobbins, a core which provides electro-magnetic shielding, and cores which are readily adapted to accept a wide range of converter ... | 08/01/1989 |
| 4658799 | Ignition coil assembly for internal combustion engines For a four cylinder engine, there are provided two ignition coil units, each including a primary coil and a secondary coil. The primary coil is wound around a center core made of grain oriented silicon steel, which forms a closed magnetic path for the mag... | 04/21/1987 |
| 4485368 | Electrical shunt reactor coil An electrical shunt reactor coil comprises a rectangular magnetic frame in the form of two vertical members (1,2) interconnected at their ends by two horizontal yoke members (3,4). The frame members are constituted by respective stacks of magnetic laminat... | 11/27/1984 |
| 4453109 | Magnetic transformer switch and combination thereof with a discharge lamp A magnetic transformer switch which switches its primary flux path upon conduction in its secondary and the combination thereof with a fluorescent lamp in which the heater current is reduced upon lamp ignition by reason of the current in the heater windin... | 06/05/1984 |
| 4210859 | Inductive device having orthogonal windings An inductive device comprising a magnetic core and windings for producing two or three substantially orthogonal magnetic fields at all points within the core. The device may be utilized as an inductor or transformer in a variety of applications.... | 07/01/1980 |
