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...When G.G. Hubbard learned of his future son-in-law's invention, he called it "only a toy." His daughter was engaged to a young man named Alexander Graham Bell.
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| Number | Title | Issue Date |
| 8061338 | Ignition coil to spark plug mating apparatus A retaining apparatus is provided for mating an ignition coil to a spark plug. ... | 11/22/2011 |
| 8061337 | Ignition coil device An ignition coil device mounted on the cylinder head of an internal combustion engine. The ignition coil includes: a cylindrical pipe inserted into a plug hole while a first clearance is formed between the cylindrical pipe and the plug hole; a coil tower arranged ov... | 11/22/2011 |
| 7997256 | Hinged removeable coil mount An ignition coil assembly mounted on a valve cover whereby the plurality of coils connected to the ignition coil assembly are individually removable. The ignition coil assembly comprises a base plate and coil bracket that rotateably couple, preferably with a hinging... | 08/16/2011 |
| 7849843 | Ignition coil An ignition coil is equipped with a sparkplug of an engine. The ignition coil includes a coil portion, a tower portion, and a plug cap. The coil portion includes a coil case accommodating a primary and secondary coils being coaxial with each other. The coil portion ... | 12/14/2010 |
| 7789079 | Enclosed rocker arm cover assembly having internal multi-coil mounting plate An improved rocker arm cover assembly having an upper coil chamber that is enclosed and a lower rocker arm chamber that includes special seal and flange members to isolate it from the engine head. The fully enclosed upper coil chamber includes a mounting plate on wh... | 09/07/2010 |
| 7673623 | Ignition coil device An ignition coil device mounted on the cylinder head of an internal combustion engine. The ignition coil includes: a cylindrical pipe inserted into a plug hole while a first clearance is formed between the cylindrical pipe and the plug hole; a coil tower arranged ov... | 03/09/2010 |
| 7441552 | Ignition coil apparatus for an internal combustion engine The rotation of an ignition coil apparatus upon mounting thereof on an internal combustion engine is prevented with a simple structure, and the efficiency of mounting the ignition coil apparatus on the internal combustion engine is improved. A high voltage tower is ... | 10/28/2008 |
| 7389772 | Ignition coil assembly for engine An ignition coil assembly for an engine includes an ignition coil for supplying a voltage to a spark plug, a housing supporting the ignition coil, a driving circuit board disposed on the housing and including a circuit unit controlling the ignition coil, and a cente... | 06/24/2008 |
| 7350488 | Rocker arm cover A rocker arm cover comprises a shell having an upper portion and a lower portion formed by inner and outer side walls and end walls contiguous therewith. A dividing wall is joined to the side walls and end walls to define an upper cavity in the upper portion of the ... | 04/01/2008 |
| 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 |
| 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 |
| 7313949 | Combustion chamber pressure sensor equipped with damper body for attenuating transmitted engine vibration A combustion chamber pressure sensor for an internal combustion engine includes an elongated pressure transmitting member having one end exposed to the interior of an engine cylinder and the opposite end contacting a pressure sensing element which generates a pressu... | 01/01/2008 |
| 7293553 | Ignition coil for an internal combustion engine An ignition coil for an internal combustion engine has a rod-shaped magnetic core, which is situated within a secondary coil shell. The annular interspace between the magnetic core and the secondary coil shell is filled with an electrically insulating molded materia... | 11/13/2007 |
| 7287524 | Internal combustion engine ignition device An internal combustion engine ignition device is provided with a connector including first external connection terminal, and second external connection terminal. The first external connection terminals is formed with no noble metal coat, while the second external co... | 10/30/2007 |
| 7243643 | Ignition device for internal combustion engine An ignition device for an internal combustion engine has a spark plug, an ignition coil, a housing and a mounting portion. The spark plug is for discharging a current to ignite an air-fuel mixture in a combustion chamber of the internal combustion engine. The igniti... | 07/17/2007 |
| 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 |
| 7228840 | Spark ignition device and internal combustion engine with the same A plurality of spark electrodes are disposed in an arc shape on the surface or so as to be projected from the surface of an insulating member formed on a part of the wall face of a combustion chamber, and are formed so as to be in series electrically via discharging... | 06/12/2007 |
| 7230369 | Spark plug A spark plug includes a metal shell, an insulator, a center electrode, a ground electrode, and a terminal fixed to the insulator. The dimensional parameters in the structure of the spark plug, such as a maximum diameter A of the terminal and a diameter B of the insu... | 06/12/2007 |
| 7222616 | Stick ignition coil apparatus for ignition plug A stick ignition coil apparatus for an ignition plug includes a primary coil arrangement, a secondary coil arrangement, a center core, a coil case, a high voltage terminal, a spring case and dielectric resin. The primary coil arrangement is located radially outward ... | 05/29/2007 |
| 7223144 | Low cost spark plug manufactured from conductive loaded resin-based materials Spark plug devices are formed of a conductive loaded resin-based material. The conductive loaded resin-based material comprises micron conductive powder(s), conductive fiber(s), or a combination of conductive powder and conductive fibers in a base resin host. The pe... | 05/29/2007 |
| 7224108 | Low cost spark plug manufactured from conductive loaded resin-based materials Spark plug devices are formed of a conductive loaded resin-based material. The conductive loaded resin-based material comprises micron conductive powder(s), conductive fiber(s), or a combination of conductive powder and conductive fibers in a base resin host. The pe... | 05/29/2007 |
| 7212005 | Ignition coil tester The present invention relates to an ignition coil tester having a control module and an output electronics for testing the functioning of rod-type ignition coils, which is connectible to a diagnostic tester, the rod-type ignition coil having a primary winding and a ... | 05/01/2007 |
| 7208834 | Bonding structure with pillar and cap A cylindrical bonding structure and its method of manufacture. The cylindrical bonding structure is formed over the bonding pad of a silicon chip and the chip is flipped over to connect with a substrate board in the process of forming a flip-chip package. The cylind... | 04/24/2007 |
| 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 |
| 7152593 | Ignition terminal An ignition terminal assembly including a serpentine conduction element having an end and a formed terminal connected to said end. ... | 12/26/2006 |
| 7150274 | Ignition device for internal combustion engine An ignition device for an internal combustion engine has a primary and secondary coils of an ignition coil, a center and ground electrodes of a spark plug, a cylinder shaped insulator and a cylinder shaped tube. The center electrode is disposed apart from the second... | 12/19/2006 |
| 7146957 | Internal combustion engine An internal combustion engine, in particular a stationary gas engine, comprising at least one spark plug connector plug device (2) which can be fixed to the internal combustion engine, wherein the spark plug connector plug device (2) and the fixing the... | 12/12/2006 |
| 7132917 | Ignition coil having secondary coil assembly and connecting method for the same An ignition coil includes a center core, a secondary coil, a primary coil, and an outer core. The secondary coil and the primary coil are substantially coaxially arranged on the outer circumferential side of the center core. The secondary coil includes a secondary w... | 11/07/2006 |
| 7117860 | Coil housing for a motorcycle Described herein is a coil housing for receiving a plurality of coils for a two-cylinder motorcycle having a plurality of spark plugs and ignition coils. The invention consists of a plurality of coil receptacles conjoined by frame mounting means for attaching the co... | 10/10/2006 |
| 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 |
| 7098765 | Ignition coil having magnetic flux reducing inner structure 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 cen... | 08/29/2006 |
| 7091809 | Sealing of an ignition coil 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 | 08/15/2006 |
| 7088211 | Space saving surface-mounted inductors An inductive element and corresponding method for making an inductive element for surface mounting on an adjacent structure for providing improved heat transfer characteristics. Specifically, a core and winding of the inductive element define coplanar surfaces that ... | 08/08/2006 |
| 7080638 | Ignition device for internal combustion engine An internal combustion engine ignition device has a resin layer in a clearance between an insulator and a winding contained in the insulator. The ignition device has a cylindrical insulator and a resin layer. The insulator has an opening portion at one end and a bot... | 07/25/2006 |
| 7079000 | Spool assembly A spool assembly retains a winding of an electrical wire thereabout. The electrical wire is covered by a liquid insulating material. The spool assembly includes a cylinder to finding a longitudinal axis and an outer diameter. The cylinder extends between a high volt... | 07/18/2006 |
| 7066163 | Ignition system for an internal combustion engine An ignition system into which signal lines and an evaluating circuit are integrated, so that the signals of a sensor integrated into a spark plug may be passed on, without additional mounting expenditure and space requirement, to a control unit of the engine control... | 06/27/2006 |
| 7063079 | Device for reducing the part count and package size of an in-cylinder ionization detection system by integrating the ionization detection circuit and ignition coil driver into a single package Two embodiments of an integrated ionization detection circuit and ignition coil driver, an ASIC and a single electronic package, are disclosed. The apparatuses reduce the cost and complexity of an in-cylinder ionization detection system by combining like functionali... | 06/20/2006 |
| 7059312 | Electric ignition unit for igniting propellants An ignition unit for igniting propellants having at least one electrically conductive pin with a pin holder comprising a metal ring which encloses the pin by leaving an annular cavity with an insulating filing in the annular cavity. An electrically conductive bridge... | 06/13/2006 |
| 7025027 | Channel-shaped connection device for electrical lines of internal combustion engines The invention relates to a channel-shaped connection device for electrical lines, especially signal and ignition lines, of internal combustion engines. At least one support element (2) is provided for preferably pre-assembled electrical lines (3) and c... | 04/11/2006 |
| 7017566 | Ignition device for an internal combustion engine An insulator includes a plug side cylindrical portion having an inner space for accommodating a center electrode and a coil side cylindrical portion extending in a direction departing from a combustion chamber. The high-voltage portion of an ignition coil is entirel... | 03/28/2006 |
