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| Number | Title | Issue Date |
| 8161955 | Ignition coil device for internal combustion engine An internal combustion engine ignition coil device has an annular seal rubber at its lower side coil. An annular projection is provided on a part of the seal rubber and is pressed against the inner diameter surface of a plug hole. An air path is formed in part of a ... | 04/24/2012 |
| 8011354 | Ignition coil for internal combustion engine A housing of an ignition coil has an approximately rectangular shape. A central core is in parallel with both side surfaces of the housing. The peripheral core has a larger size than the central core in a direction of a height of the housing. A first and second side... | 09/06/2011 |
| 7984707 | Ignition coil device for internal combustion engine An internal combustion engine ignition coil device has an annular seal rubber at its lower side coil. An annular projection is provided on a part of the seal rubber and is pressed against the inner diameter surface of a plug hole. An air path is formed in part of a ... | 07/26/2011 |
| 7882828 | Ignition apparatus with cylindrical core and laminated return path An ignition apparatus includes a cylindrical core made from magnetically-permeable material and a C-shaped magnetic return path structure that is made from a stack of silicon steel laminations. A tightly controlled air gap is provided between one leg of the C-shaped... | 02/08/2011 |
| 7819110 | Ignition coil An ignition coil includes a coil portion and an igniter. The coil portion has a primary coil, a secondary coil, and a coil case. The primary coil and the secondary coil are disposed in the coil case. The igniter is disposed on one end side of the coil portion. The i... | 10/26/2010 |
| 7789078 | Ignition coil device for internal combustion engine An internal combustion engine ignition coil device has an annular seal rubber at its lower side coil. An annular projection is provided on a part of the seal rubber and is pressed against the inner diameter surface of a plug hole. An air path is formed in part of a ... | 09/07/2010 |
| 7753038 | Ignition coil An ignition coil is inserted into a plughole of an engine. The ignition coil includes a coil case accommodating a primary coil and a secondary coil, and extending to define a cylindrical mount portion on a high voltage side. The mount portion includes a high voltage... | 07/13/2010 |
| 7681563 | Ignition coil apparatus for internal combustion engine An ignition coil apparatus for an internal combustion engine can be produced at low cost with a simple structure, and can be inserted into a bent plug hole without impairing insertability thereof. The apparatus is provided with a high voltage tower (2b... | 03/23/2010 |
| 7574998 | Ignition apparatus for an internal combustion engine An ignition apparatus for an internal combustion engine can prevent dielectric breakdown resulting from voids, thus making it possible to reduce its size. The apparatus includes a primary bobbin, a primary coil formed of a primary coil conductor wound around the pri... | 08/18/2009 |
| 7487767 | Ignition coil for use in engine and engine having plastic cylinder head cover A long and narrow shape independent ignition type ignition apparatus has a long and narrow shape center core for an internal combustion engine. At least one of magnet member and a rubber material member is arranged at an end portion of the center core. A circumferen... | 02/10/2009 |
| 7467627 | Ignition apparatus for an internal combustion engine An ignition coil apparatus for an internal combustion engine can prevent noise from being radiated to the outside from a transformer without requiring special man-hours even if a case takes a complex shape. The ignition apparatus is provided with a transformer (2... | 12/23/2008 |
| 7445001 | Coil-on-plug ignition terminal The invention in one form is directed to an ignition terminal for coupling an internal combustion engine coil-on-plug ignition coil assembly with a spark plug. The ignition terminal includes an electrical conductor defining a bore therethrough and includes a first e... | 11/04/2008 |
| 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 |
| 7392799 | Ignition coil and method for manufacturing the same An ignition coil includes primary and secondary coils. The primary coil includes a primary spool and a primary winding wound on the spool. The primary winding has a second winding layer wound around a first winding layer. The primary spool has first and second overh... | 07/01/2008 |
| 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 |
| 7383830 | Ignition apparatus for internal combustion engine An ignition apparatus for an internal combustion engine can eliminate connecting leads for electrically connecting between an igniter and a connector can be eliminated or shortened. In the ignition apparatus, individual terminals (14a, 14b, | 06/10/2008 |
| 7353813 | Spark ignition engine, controller for use in the engine, ignition coil for use in the engine An engine generating two or more ignition sparks by the same spark plug, which can avoid a torque reduction caused by misfire of main ignition, can start firing and burning at proper timing depending on operating conditions, and can reduce misfires. A novel controll... | 04/08/2008 |
| 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 |
| 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 |
| 7303104 | Power generator of nail drive A power generator of a nail drive comprises a body; a cylinder in the body; a plug in the cylinder; a plug in the cylinder; and a magnetic element on the plug. The movement of the plug will drive the magnetic element to pass through the induction coil so that the in... | 12/04/2007 |
| 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 |
| 7295093 | Internal combustion engine ignition coil apparatus An internal combustion engine ignition coil apparatus includes: a case; a center core disposed in the case; a primary coil and a secondary coil disposed outside the center core inside the case; a high-voltage cord having: a first end portion electrically connected t... | 11/13/2007 |
| 7290516 | Electrical connection device for injection devices of internal combustion engines In order to simplify an electrical connection device for injection devices, to make them more reliable and to simplify their installation, it is proposed that the electrical connection device has a printed circuit board (1) with printed circuit board tracks (... | 11/06/2007 |
| 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 |
| 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 |
| 7267116 | Spark plug and ignition apparatus using same A power-saving type of ignition apparatus is provided with a spark plug of which electrodes (30, 40) are regulated in their shapes to lower an amount of energy required for its ignition. To face to a tip (31) of a center electrode (30) extending... | 09/11/2007 |
| 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 |
| 7228854 | Ignition coil apparatus for an internal combustion engine An ignition coil apparatus for an internal combustion engine can improve the ignition performance of the engine in an entire rotation range. The ignition coil apparatus is arranged in a plug hole formed in the engine, and includes a case (1), a center core ( | 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 |
| 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 |
| 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 |
| 7212092 | Device for energy storage and energy transformation A device for energy storage and energy transformation is described, in particular an ignition coil of an ignition system of a motor vehicle, having a magnetically active I core, which is surrounded by a first coil former having a winding connected to a supply voltag... | 05/01/2007 |
| 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 |
| 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 |
| 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 |
