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| Number | Title | Issue Date |
| 7341052 | Power switching control device for electric systems A power switching control device for electric systems such as an ignition device for internal combustion engines has a control circuit IC and a switching IC. A temperature sensor is provided in the switching IC. The control circuit IC is joined to a grounding termin... | 03/11/2008 |
| 7268655 | Ignition coil with secondary winding center tap connected to shield A distributorless ignition coil has two high voltage secondary windings wound around a primary winding, with each secondary winding being electrically connected to a respective spark plug. A shield surrounds the secondary windings. The secondary windings share a com... | 09/11/2007 |
| 7252078 | Spark plug connector A spark plug connector, in particular for large engines, includes an inductive interference suppression device having a ferromagnetic core. The inductive interference suppression device also has at least one winding, preferably a coil, and an ohmic d.c. resistance o... | 08/07/2007 |
| 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 |
| 7215528 | Turn-on coil driver for eliminating secondary diode in coil-per-plug ignition coils A circuit for controlling an ignition coil that attenuates the feed forward voltage by slowing the initial turn-on of the coil driver is disclosed. The turn-on circuit includes a control signal input node, a capacitor, a resistor, a diode, and a coil driver. The con... | 05/08/2007 |
| 7185622 | Method and apparatus for interconnecting a coil and a spark plug The present invention is directed to a method and assembly for conducting electrical current between a coil and a spark plug of an engine. The ignition wire utilized for this conduction of electrical current generally includes a plug terminal located at a first end ... | 03/06/2007 |
| 7158033 | RFID device with combined reactive coupler An RFID device, such as an RFID tag or label, includes a combined reactive coupler electrically coupling a transponder chip to an antenna. The combined reactive coupler includes a magnetic coupler and a capacitive coupler. The magnetic coupler and the reactive coupl... | 01/02/2007 |
| 7152591 | Ignition apparatus for an internal combustion engine An ignition apparatus for an internal combustion engine can suppress radiation noise radiated into air from a discharge current path, thereby preventing the malfunction of electrical equipment mounted on a vehicle. The ignition apparatus includes a transformer havin... | 12/26/2006 |
| 7147493 | Connector for an igniter cable A connector within an igniter cable, configured for attachment to the high voltage terminal of an exciter, includes a contact terminal attached to the wire within the cable, having a number of flexible contact members to engage a pin within the high voltage terminal... | 12/12/2006 |
| 7148780 | Twin spark pencil coil An ignition apparatus having twin spark high-voltage outputs incorporates features of a pencil coil wherein at least a portion of a transformer assembly is disposed within a spark plug well when installed in an internal combustion engine, thereby reducing the space ... | 12/12/2006 |
| 7130180 | Partitioned exciter system A partitioned exciter system for use with an igniter in an aircraft engine. The exciter has low-energy charging circuit and a high-energy discharge circuit that are remotely located from each other and that are connected by a low-energy coaxial cable. The charging c... | 10/31/2006 |
| 7124725 | Engine spark plug grounding structure, grounding wiring apparatus, and grounding wiring method A grounding member made of a spring steel includes a hexagonal top with a through hole, contact pieces extending from straight sides of the hexagonal top, and a grounding strip brazed to one of the contact pieces. The grounding member attaches to a spark plug with a... | 10/24/2006 |
| 7107977 | Ignition apparatus for internal combustion engine An ignition apparatus for an internal combustion engine, which is controlled by a control unit, includes a connector, an ignition coil assembly, an igniter and a capacitor. The connector is electrically connected with the control unit, and includes an input terminal... | 09/19/2006 |
| 7104234 | Engine ground system An engine ground system for increasing the potential of an engine. This is an engine ground system wherein intermediate portions of a ground wire one end of which is electrically connected to the negative electrode terminal of a battery are electrically connected to... | 09/12/2006 |
| 7093807 | Device and method for grouping, organizing and separating multiple cables and other control lines A device for holding a plurality of associated cables in a defined orientation relative to each other is disclosed. The device includes a support structure that defines a plurality of cable retaining locations each adapted to receive and releasably retain an associa... | 08/22/2006 |
| 7049923 | Ignition coil assembly utilizing a single internal floating shield buffered at one end 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 c... | 05/23/2006 |
| 7036495 | Ignition device for internal combustion engine Provided is an ignition device for an internal combustion engine which prevents a crack from being produced in a cast insulating resin, and a noise-suppressing resistor from being damaged. An ignition device for an internal combustion engine according to the present... | 05/02/2006 |
| 7013883 | Ignition coil for use in engine and engine having plastic cylinder head cover To improve an anti-heat shock performance and an electric field concentration relaxation (an insulation performance) between a secondary coil and a center core, to attain a narrow diameter structure in an individual ignition type ignition coil and further to improve... | 03/21/2006 |
| 7005855 | Device to provide a regulated power supply for in-cylinder ionization detection by using the ignition coil fly back energy and two-stage regulation The present invention is directed to a dual charge rate power supply circuit and method for ionization detection. The circuit includes a first diode, first and second capacitors, and first and second current paths. The first diode includes an anode operably connecte... | 02/28/2006 |
| 6926266 | Shock absorbing assembly for a pencil ignition coil A shock absorbing assembly reduces impact forces on a terminal of a spark plug that is mounted within a spark plug bore of an internal combustion engine when a pencil ignition coil is mounted thereto. The shock absorbing assembly includes a plug cup that is fixedly ... | 08/09/2005 |
| 6591821 | Variable voltage regulator for electronic accelerator in automobile The present invention comprises an Electronics Control Unit (ECU) power potential stabilizing circuit and an ECU reference potential stabilizing circuit. The ECU power potential stabilizing circuit eliminates noise and stabilizes voltage variation occurri... | 07/15/2003 |
| 6529111 | Ignition coil In an ignition coil for an internal combustion engine, the primary coil and the secondary coil of the coil unit are fabricated of self-welding wire and fixed in a coil case by an elastic material and an ignition control circuit unit is fixed in the coil c... | 03/04/2003 |
| 6481426 | Low signature EMI/RFI engine An engine system having a low EMI/RFI signature. The system comprises a two-stroke engine having a cylinder with a piston sized for reciprocal motion through the cylinder. The two-stroke engine further includes an injector deployed in communication with t... | 11/19/2002 |
| 6463918 | Ignition apparatus having an electrically floating shield An ignition apparatus includes a magnetic circuit comprising a central core and a side core or shield, and primary and secondary windings. The shield is allowed to electrically float, thereby reducing the capacitance of the secondary winding. A housing is... | 10/15/2002 |
| 6427673 | Ignition coil assembly An ignition coil assembly having a coil spring (26) made of electrically conductive material, an electrical coil connected to deliver electrical energy from the ignition coil assembly 11 through the coil spring and a ferromagnetic member (30) disposed wit... | 08/06/2002 |
| 6378514 | Igniter for internal combustion engine Object: The present invention is intended to supply an internal combustion engine-use igniter that is compact, excellent in mountability, and can contribute to the simplification and automation of assembly and to cost reduction. Implementing means: An ins... | 04/30/2002 |
| 6374816 | Apparatus and method for combustion initiation An apparatus for combustion initiation in an internal combustion engine is provided. A capacitive spark plug boot uses the engine cylinder head as an outer capacitor member. The capacitive spark plug boot contains the inner capacitor member and an insulat... | 04/23/2002 |
| 6358072 | Aircraft ignition cable connector An aircraft ignition cable connector includes a radio-shielded ignition cable. The cable has an outer insulating cover, a shielding conductor, an inner insulating layer, and a center conductor. The cable is encased in a flexible, conducting, elbow tube. T... | 03/19/2002 |
| 5785035 | Ignition device with series gap having shielding case An ignition device with a series gap includes a series gap assembly having therein a discharge tube. A shielding case is provided to cover the series gap assembly. The shielding case is made of a conductive material and arranged to be in contact with a cy... | 07/28/1998 |
| 5651352 | Distributor for internal combustion engines A distributor for internal combustion engines which includes a connector for electrically coupling a rotation signal detector and an engine control unit and a connector for electrically coupling an ignition coil and the engine control unit, the distributo... | 07/29/1997 |
| 5615659 | Ignition apparatus for internal combustion engine Disclosed is an ignition apparatus for an internal combustion engine including a power switch 20 for intermittently feeding a primary current to an ignition coil, a primary coil 5 and a secondary coil 6 of the ignition coil being contained in an insulatio... | 04/01/1997 |
| 5603307 | Ignition coil for internal combustion engine An ignition coil for an internal combustion engine to suppress the superposition of a noise signal caused by a capacitive discharge current at an ignition plug to thereby prevent the faulty operation of other circuit devices. The ignition coil has first a... | 02/18/1997 |
| 5603306 | Ignition cable means for eliminating inerference An ignition coaxial cable includes at least a braided layer of copper wires surrounding a central or inner conductor existing at a longitudinal center of the coaxial cable for shielding and grounding the interference caused by the high voltage carried by ... | 02/18/1997 |
| 5577485 | Ignition system A modular electronic ignition system for use in internal combustion engines is provided using latching Hall effect sensing devices. Two permanent magnets are affixed to a non-ferrous member mounted to the camshaft which extends through a seal in the timin... | 11/26/1996 |
| 5359981 | Apparatus for preventing electro-magnetic wave noise from being radiated and conducted from igniting device of gasoline engine An apparatus for preventing the radiation and conduction of electro-magnetic wave noises generated from the igniting device of a gasoline engine is disclosed. The igniting portion of a gasoline engine such as an igniting coil, a continuously contacting an... | 11/01/1994 |
| 5291872 | Ignition apparatus for an internal combustion engine An ignition apparatus for providing energy to a spark plug (601) is described including electromagnetic means (121, 103, 133, 119) having a north pole (137) and an opposing south pole (139). A piezoelectric crystal (129) is located between the north pole ... | 03/08/1994 |
| 5209195 | Ignition distributor An ignition distributor wherein at least either one of the discharge element of a stationary electrode and the discharge element of a rotary electrode are composed of a sintered body comprising at least a ferrite and silicon oxide and have a surface preci... | 05/11/1993 |
| 5181498 | Ignition apparatus for an internal combustion engine An ignition apparatus for an internal combustion engine is able to reduce generation of noise and energy loss due to wiring to a substantial extent. A capacitor 4 is connected at one end thereof to a DC power supply so as to be charged thereby, and at the... | 01/26/1993 |
| 5170767 | Ignition coil for internal combustion engine Disclosed is an ignition coil for an internal combustion engine, which comprises a coil portion including a primary winding and a bobbin around which a secondary winding is wound, a resin case for accommodating the coil portion, a conductive secondary aux... | 12/15/1992 |
