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| Number | Title | Issue Date |
| 8130065 | Electromagnetic coil device The present invention discloses an electromagnetic coil device including a coil body having a connection terminal portion projecting from a circumferential surface of the coil body, a buckle having a positioning flat plate portion and an inserting flat plate portion... | 03/06/2012 |
| 7847662 | Inductance element, method for manufacturing the same, and switching power supply using the same An inductance element (1) includes a doughnut-shaped magnetic core (2) having a wound body or a stacked body of a magnetic ribbon, a bottomed container (3) in which the doughnut-shaped magnetic core (2) is housed, and a conductive lead po... | 12/07/2010 |
| 7834732 | Ignition coil, in particular for an internal combustion engine of a motor vehicle An ignition coil, in particular for an internal combustion engine of a motor vehicle, has an inner magnet core which is concentrically enclosed by a primary coil and a secondary coil. The inner magnet coil is made up of sheet-metal strips stacked on top of each othe... | 11/16/2010 |
| 7825762 | Transformer A case 12 of a transformer 10 formed in such a manner that a transformer body 13 is accommodated in the case 12 having a rectangular-parallelepiped shape and a resin 14 is filled therein and solidified is configured such that the c... | 11/02/2010 |
| 7692525 | Power electronic module with an improved choke and methods of making same An improved choke assembly for a power electronics device is provided. More specifically, a choke assembly with improved protection from environmental conditions such as dirt and water is provided. An improved choke assembly may include a double layer of protection ... | 04/06/2010 |
| 7667564 | Multicharge ignition coil with primary routed in shield slot A plastic case surrounds a primary winding of a multicharge ignition system, and has a rib in which the high voltage end is routed back to the low voltage end, so that the low and high voltage ends can be closely juxtaposed with each other while advantageously permi... | 02/23/2010 |
| 7511598 | Element for use in an inductive coupler for downhole components An element for use in an inductive coupler for downhole components comprises an annular housing having a generally circular recess. The element further comprises a plurality of generally linear, magnetically conductive segments. Each segment includes a bottom portio... | 03/31/2009 |
| 7436278 | Electrical contacting of thin enameled wires of secondary windings of ignition coils having a contact crown and contact element An electrical connection set-up for connecting thin enameled wires in ignition coils, which is to replace thermal methods, for example. This is achieved in that, to produce contacting between the winding and the respective high-voltage or low-voltage outlets, an ind... | 10/14/2008 |
| 7382220 | Ignition coil for an internal combustion engine An ignition coil for an internal combustion engine has a rod-shaped magnetic core, which collaborates with a cushioning element in the axial direction. The magnetic core and the cushioning element are furthermore inserted into a secondary coil shell. Moreover, the c... | 06/03/2008 |
| 7362201 | Inductance device and manufacturing method thereof An inductance device has a hollow center coil around which a conducting wire is wound so that a hollow portion is formed along a center axis line of the hollow center coil, a filler which is filled into the hollow portion of the hollow center coil, and includes magn... | 04/22/2008 |
| 7362015 | Apparatus and method for making an electrical component This invention relates to a transformer and more particularly, to a system and method for making a transformer utilizing dynamic magnetic compaction. A coil is placed in a conductive container, and a conductive powder material, such as ferrite, is placed in the cont... | 04/22/2008 |
| 7332991 | Twin spark ignition coil with provisions to balance load capacitance A twin spark ignition apparatus having two high-voltage (HV) outputs incorporates features for balancing load capacitance on each HV output. The ignition apparatus provides a first high-voltage (HV) connection configured for direct mounting on a first spark plug, an... | 02/19/2008 |
| 7326084 | Electronic module of electric connector An electronic module of an electric connector suitable for being electrically connected to a terminal set inside the electric connector is provided. A plurality of connection terminals is installed on the terminal set for electrically connecting other devices. The e... | 02/05/2008 |
| 7320817 | Holding structure and a molding with the same A holding structure includes a held member located in a case, and a guiding space defined between the held member and a predetermined inner surface of the case. A primary molding resin is guided into the guiding space upon injection of the primary molding resin such... | 01/22/2008 |
| 7317370 | Ignition coil An ignition coil includes a coil portion that has a primary coil, a secondary coil, and an outer core. The outer core is arranged on a radially outer side of both the primary coil and the secondary coil. A fitting member, which is in a substantially cylindrical shap... | 01/08/2008 |
| 7312681 | Internal combustion engine ignition apparatus and method for manufacturing a secondary coil thereof A transformer terminal is configured as a single part that includes: a base portion; a first connecting portion that is formed at a first end of the base portion and to which a winding finish end portion of a secondary wire can be connected; and a second connecting ... | 12/25/2007 |
| 7310037 | Twin spark ignition coil with provisions to balance load capacitance A twin spark ignition apparatus having two high-voltage (HV) outputs incorporates features for balancing load capacitance on each HV output. The ignition apparatus provides a first high-voltage (HV) connection configured for direct mounting on a first spark plug, an... | 12/18/2007 |
| 7305752 | Method for fabricating an inductive coil A method of fabricating an inductive coil having inner and outer winding portions formed from one or more metal sheets. The method includes wrapping a fiber strand around an outer surface of the inner winding portion, positioning the outer winding portion around the... | 12/11/2007 |
| 7305751 | Electrical contact between thin varnished wires of the secondary winding of an ignition coil An electrical connection set-up for manufacturing an ignition coil is provided, which includes, on the side of the low-voltage outlet, a contact spring which is installed by being lifted over corresponding secondary windings without touching them and which then snap... | 12/11/2007 |
| 7296342 | Fixture for magnetization of a shaft for a linear stepper motor In a preferred embodiment, a fixture for magnetizing axially alternating N and S poles defined circumferentially in a portion of an outer periphery of an axially extending, cylindrical, smooth shaft, the fixture including: a hollow cylindrical mandrel formed from a ... | 11/20/2007 |
| 7286030 | Electromagnetic relay The present invention relates to an electromagnetic relay comprising: a base comprising at least one printed circuit card, which card has at least two conductor tracks forming respective switch accesses; at least o... | 10/23/2007 |
| 7280023 | Ignition coil having an improved power transmission The present invention relates to an ignition coil for ignition systems, in particular a rod ignition coil for internal-combustion engines, comprising at least one primary winding and at least one secondary winding, a high voltage being induced in the secondary windi... | 10/09/2007 |
| 7271696 | Two part transformer core, transformer and method of manufacture A toroidal transformer core topology having improved thermal and electrical properties has a two part core, one part concentrically disposed within the other, with the windings wound between the two. Less expensive materials and less material can be used to construc... | 09/18/2007 |
| 7259648 | Multiple choke coil and electronic equipment using the same The invention is comprised of a coil group arranging a plurality of terminal-integrated type coils (1), (4) formed by bending a metal sheet in a preset development form and having a predetermined positional relationship, and a magnetic material (7 | 08/21/2007 |
| 7234454 | Ignition coil and method for manufacturing an ignition coil An ignition coil is disclosed. The ignition coil includes an insulative material, a body, and a head coupled to the body. A portion of the insulative material is included in the body, and a portion of the insulative material is included in the head. The head include... | 06/26/2007 |
| 7236074 | Ignition coil An ignition coil includes a cylindrical portion capable of being inserted into a plughole of an engine case. The cylindrical portion has a base end and a tip end, respectively, in an axial direction of the cylindrical portion. The cylindrical portion has an elastica... | 06/26/2007 |
| 7230514 | Inductive component and method for producing same Inductive component (10; 20; 30) having at least one coil (12; 22; 32) and a magnetically soft core (11; 21; 31) made from a ferromagnetic powder composite in which the ferromagnetic powder composite shows an alloy powder mixture made from alloy... | 06/12/2007 |
| 7228853 | Ignition apparatus having conductive plastic ignition terminal and field smoother An ignition apparatus includes a high voltage (HV) terminal to which a high voltage end of the secondary winding is attached. The ignition apparatus further includes an electrically conductive cup configured to surround the high voltage terminal when the secondary w... | 06/12/2007 |
| 7213588 | Ignition device for internal combustion engine To provide an ignition device for an internal combustion engine which for example prevents a crack from being made in a cast insulating resin or a transformer output voltage control element from being damaged. The ignition device for an internal combustion engine of... | 05/08/2007 |
| 7202767 | Ignition apparatus for an internal combustion engine An ignition apparatus for an internal combustion engine includes a central core, a primary coil and a secondary coil arranged outside of the central core, a magnet arranged in abutment with one end face of the central core and magnetized in a direction opposite to t... | 04/10/2007 |
| 7196606 | Ignition coil apparatus for an internal combustion engine An ignition coil apparatus for an internal combustion engine can suppress an increase in the manufacturing cost of a terminal of a low-tension side connector resulting from variation in a wire diameter of an one end of a primary winding, and can ensure a stable fusi... | 03/27/2007 |
| 7190249 | Ignition coil The ignition coil includes an exciting core having a substantially I-shape, and a closed magnetic path forming core having a substantially C-shape. The ignition coil is constructed in such a manner that first contact faces are formed by a first face of the exciting ... | 03/13/2007 |
| 7191076 | Expandable intelligent electronic device An intelligent electronic device (IED) includes a base module having a power monitoring circuit operative to monitor a parameter of a portion of a power distribution system and generate an analog signal representative thereof. The base module also includes a process... | 03/13/2007 |
| 7187262 | Plastic sealing of solenoid bobbins A method and apparatus for overmolding a plastic shroud onto a bobbin including the step of providing a protrusion ring on the surface of the bobbin surrounding each standoff between the bobbin and a mold wall and extending outwards from the surface of the bobbin. A... | 03/06/2007 |
| 7170380 | Ignition coil An ignition coil for an internal combustion engine, including a magnetically active core, a first coil shell which is used as a support for a first coil winding made of an electrically conductive wire, and a second coil shell which is positioned so as to be concentr... | 01/30/2007 |
| 7167068 | Transformer A transformer has a bar-shaped ferrite core, an inner winding wound directly around the ferrite core, an outer winding wound over the inner winding, and a dielectric shield surrounding the outer winding. The outer winding has its circumference covered by a dielectri... | 01/23/2007 |
| 7158002 | Primary wire winding having optimized package dimensions for a pencil-style ignition coil To optimize the package dimensions of pencil-style ignition coils, a structural component including a primary wire and a primary bobbin is constructed in such manner that this structural component is also used as the encapsulation layer of the ignition coil. ... | 01/02/2007 |
| 7154367 | Wire wound choke coil A wire wound choke coil uses a metallic conductor to form a coil. The surface of the conductor is pre-plated with metallic material such as gold, silver, nickel, tin or others before covered with an insulation film on it so as to form a plated conductor enclosed wit... | 12/26/2006 |
| 7152592 | Ignition coil for a combustion engine An ignition coil includes a primary coil carrying primary coil body, a low voltage connection area and a secondary coil inductively coupled with the primary coil for the provision of a high voltage for a spark plug of the combustion engine. The secondary coil is car... | 12/26/2006 |
| 7151427 | Sealed-off switchgear A switchgear, especially for actuating valves, includes a housing (18) and a coil body (10) disposed in the housing. A switch element is guided in the coil body. The coil body is provided with a winding (14) of a conductor (16) that is co... | 12/19/2006 |
