| Class / Patent application number | Description | Number of patent applications / Date published |
|---|
| 123634000 | Having a specific ignition coil | 30 |
| 20100147275 | 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 surrounded by a primary coil and a secondary coil. The inner magnet core acts together with an outer C-shaped magnet core. To minimize the size of the ignition coil, a provision is made in particular to adapt the height of the outer magnet core to the height of the secondary coil. It is furthermore provided to develop the outer magnet core from multiple sheet metal elements, which may be manufactured by a punching/bending process. This makes it possible to achieve a particularly cost-effective manufacture. | 06-17-2010 |
| 20090194084 | 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 has an end connected with the plug cap via the tower portion. The plug cap is press-fitted with the sparkplug. The coil case has an outer periphery from which a flange portion projects radially outward in a flange-projecting direction. The tower cylinder portion has a tower axis substantially in parallel with a coil axis of the primary and secondary coils. The tower axis is offset from the coil axis in a tower-offset direction. The tower-offset direction is substantially the same as the flange-projecting direction. | 08-06-2009 |
| 20090301450 | 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, having a secondary winding situated on a coil body for the production of a high voltage at a spark plug, having a contact sleeve that electrically contacts the secondary winding and that is capable of being pushed over an end area of the coil body and that has at least one contact element for the secondary winding, and having a holding-down element that can be pushed over the contact sleeve and that acts on the at least one contact element of the contact sleeve. In its end position, the holding-down element protrudes beyond the at least one contact element of the contact sleeve, seen in the axial direction of the coil body, and covers the at least one contact element. | 12-10-2009 |
| 20130092136 | IGNITION CONTROL APPARATUS - Ignition is performed in such a way that a bias voltage is applied to a first electrode of an ignition plug and a current detection device detects a current that flows in the first electrode, that based on the value of the detected current, a smolder level detection device detects the level of a smolder produced in the ignition plug, and that a control device controls, based on the detected smolder level, at least one of the timing of ignition, the number of ignition events per power stroke of an internal combustion engine, and the amount of energy accumulated in an ignition coil device. | 04-18-2013 |
| 20120222660 | INTERNAL COMBUSTION ENGINE IGNITION COIL DEVICE - An internal combustion engine ignition coil device according to the present invention is provided with a primary coil to which a primary current is applied; a secondary coil that is magnetically coupled with the primary coil and generates an ignition voltage when the primary current is cut off, so as to produce a spark discharge between a pair of electrodes of an ignition plug; a noise suppression element that is electrically connected between the secondary coil and one of the pair of electrodes of the ignition plug; and a case that is made of an insulating material and has a noise suppression element containing unit for containing the noise suppression element. The internal combustion engine ignition coil device is characterized by including ribs that are disposed in the noise suppression element containing unit and are arranged in such a way as to face the outer circumferential surface of the noise suppression element and a resin insulating material that is filled into the noise suppression element containing unit and makes contact with the ribs and the noise suppression element. | 09-06-2012 |
| 20130061834 | SPARK IGNITION ENGINE - A spark ignition engine capable of fixing an ignition coil case even in a small engine includes an intake manifold | 03-14-2013 |
| 20110132338 | IGNITION COIL FOR AN ENGINE - The present invention features an ignition coil for an engine, in which a small-sized condenser is directly installed in an LV pin (low voltage pin) of the ignition coil and efficiently removes noises, is disclosed. In preferred embodiments, the ignition coil includes an outer casing defining the appearance of the ignition coil, a first spool inserted in the outer casing and having a second spool therein, an LV pin installed in an upper portion of the first spool, and a condenser installed in the LV pin. | 06-09-2011 |
| 20090277433 | SMALLEST, HIGHEST ENERGY DENSITY INDUCTIVE COILS WITH OPTIMIZED EQUATION FOR RARE EARTH HIGHEST ENERGY BIASING MAGNETS - An ignition-engine system for internal combustion engines having two-valves [ | 11-12-2009 |
| 20100275893 | 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 coil case by mounting the seal rubber into a groove, enabling inside and outside portions of the plug hole to communicate. A gas-permeable thin film resin member is bonded to an inlet of the air path. | 11-04-2010 |
| 20090205621 | Ignition coil with spring-loaded boltless mounting to spark plug - An ignition coil engages an inner surface of a bore of an engine, the providing access to a spark plug. The engagement is a boltless cam-lock engagement. A spring is associated with the engagement to hold the assembly in tension, and the spring also contacts a ground terminal in the ignition coil and the base of the spark plug to provide a short electrical path for radiofrequency interference (RFI) dissipation. | 08-20-2009 |
| 20080276917 | 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 formed integrally with a case main body having a transformer received therein, and holds a high voltage output terminal therein. A cylindrical plug boot has its one end attached to the high voltage tower. The plug boot is inserted into a plug hole in an internal combustion engine main body whereby the ignition coil apparatus is mounted on the internal combustion engine main body through a head cover having upstanding wall portions. A pair of protrusions for restricting the rotation of the casing main body around an axis of the plug hole are formed on a surface of the casing main body in opposition to the wall portions. | 11-13-2008 |
| 20080264397 | Ignition coil - A high-strength ignition coil that can reduce stress produced in a coil case and prevent a casting material from being cracked when the ignition coil is mounted on an engine block. A coil case has a mounting flange on an outer surface thereof. A coil assembly is housed in the coil case. A casting material is filled into a gap between the coil case and the coil assembly and gaps which the coil assembly has. A plurality of first guide ribs are provided on an inner wall surface of the coil case or an outer surface of the coil assembly, for positioning the outer surface of the coil assembly with respect to the inner wall surface of the coil case. A limited area in which there is no first guide rib is provided on the inner wall surface of the coil case which faces the mounting flange, or the outer surface of the coil assembly which faces the mounting flange via the inner wall surface of the coil case. | 10-30-2008 |
| 20080271724 | 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 ( | 11-06-2008 |
| 20080257324 | INDUCTIVE IGNITION SYSTEM FOR INTERNAL COMBUSTION ENGINE - An inductive ignition system for an internal combustion engine is disclosed. The inductive ignition system includes an ignition coil having a primary coil and a secondary coil, the secondary coil providing high-voltage directly to a spark plug mounted in a cylinder of the internal combustion engine; the secondary coil having a rise time to its output voltage of less than 10 microseconds to deliver the high-voltage to the spark plug to produce a spark. | 10-23-2008 |
| 20090199827 | Flux director for ignition coil assembly - An ignition coil has a primary core supporting a primary winding that is connectable to an engine ignition system and a secondary winding inductively couplable to the primary winding and surrounding the primary winding. The secondary winding can be connected to an engine spark plug assembly. A flux director surroundingly engages the core. The flux director is a single, unitary piece of steel that is not made of composite Iron particles. | 08-13-2009 |
| 20080264396 | Ignition coil - An ignition coil of a dual ignition type that can prevent outputs from becoming unbalanced due to a difference in floating capacitance on wiring that connects secondary output terminals and ignition plugs together, thus realizing balanced outputs. A coil assembly housed in a housing as a coil case has a primary coil and secondary coils disposed concentrically with the primary coil. The secondary coils are comprised of two coils wound in opposite directions with the center of winding width being a boundary. The center of the winding width of the primary coil is shifted from the center of the winding width of the secondary coils by a predetermined width so as to balance outputs from the two secondary coils. A casting material is filled into a gap between the housing and the coil assembly and gaps which the coil assembly has. | 10-30-2008 |
| 20090050123 | SPARK PLUG FOR AN INTERNAL COMBUSTION ENGINE - A spark plug for an internal combustion engine of a motor vehicle; the spark plug is embodied with a generally essentially long shape and includes: an essentially capacitive lower part including two coaxial electrodes, one of which is a central electrode, and the other a threaded shell for screwing in the spark plug on the engine; and an essentially inductive upper part including a central winding including a plurality of coils wound around a coaxial mandrel, an envelope, and an insulator inserted between the envelope and the winding. The essentially capacitive part and the essentially inductive part are mechanically interconnected as to enable transmission of a clamping couple applied to the envelope to the essentially capacitive lower part. The mandrel can be elastically deformed as to compensate effects of dilation of the insulator. | 02-26-2009 |
| 20090084369 | IGNITION COIL APPARATUS FOR AN INTERNAL COMBUSTION ENGINE - An ignition coil apparatus for an internal combustion engine with a cylinder having first and second spark plugs can reliably detect an ionic current without discharging a bias voltage even at the start of supplying a primary current. The apparatus includes a coil member with primary and secondary coils. The secondary coil has first and second ends connected to the spark plugs through high voltage output terminals, respectively. A first diode has its anode connected to a capacitor, and its cathode connected between the first end of the secondary coil, at which a high positive voltage is generated upon interruption of the primary current, and a high voltage output terminal at a secondary coil first end side. A second diode has its anode connected to the secondary coil first end, and its cathode connected to a junction between the first diode and the high voltage output terminal. | 04-02-2009 |
| 20090260608 | 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 portions of the peripheral core are opposed to both axial end surfaces of the central core, respectively. A third and fourth side portions of the peripheral core interpose the central core, a primary coil and a secondary coil therebetween to magnetically connect the first side portion to the second side portion. A terminal treatment portion for electrically connecting the primary coil to an external electric power source is arranged above or below the first side portion of the peripheral core. The peripheral core is positioned off-center with respect to the central core in the direction of the height of the housing. | 10-22-2009 |
| 20100307467 | IGNITION COIL - An ignition coil for an Otto engine for an high-voltage winding has a conductive, laminar component, which is at a specified distance from the high-voltage winding and which is electrically connected to a terminal of the ignition coil. In a method for the capacitive coupling of the high-voltage winding of an ignition coil for diagnostic purposes, a conductive, laminar component of the ignition coil, which is at a specified distance from the high-voltage winding and which is electrically connected to a terminal of the ignition coil, is used as a capacitive coupling element. | 12-09-2010 |
| 20110126811 | IGNITION COIL OF ENGINE - The present invention features an ignition coil of an engine, in which a small condenser is directly installed to an LV pin of the ignition coil, thus effectively removing noise, and dissipating heat from the ignition coil to an outside, in addition to preventing the inflow of water. | 06-02-2011 |
| 20110239999 | Device for storing energy and transforming energy - A device for storing energy and transforming energy, e.g., an ignition coil of an ignition system of a vehicle, includes: a magnetically active I core; a first coil element which accommodates a first winding that is connected to a supply voltage; a second coil element which has a second winding that is connected to a high-voltage terminal; a peripheral core which encloses the I core, the first winding and the second winding; a permanent magnet which is situated at one end of the I core; a first insulation situated between the permanent magnet and the peripheral core; and a second insulation situated between the other end of the I core and the peripheral core. | 10-06-2011 |
| 20110247600 | 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 coil case by mounting the seal rubber into a groove, enabling inside and outside portions of the plug hole to communicate. A gas-permeable thin film resin member is bonded to an inlet of the air path. | 10-13-2011 |
| 20110000472 | IGNITION COIL - An ignition apparatus includes a core, primary and secondary windings and a loop-shaped magnetic return path structure. The structure includes layers of wound strip steel or wound ferritic wire stacked in an outward fashion. The core is placed in an interior of the loop forming at least one air gap between a core end surfaces and the structure. A combined core and magnetic return path structure includes a continuous loop formed by winding ferritic wire either on a spool or on a mandrel and is then bonded. The bonded winding is cut to form two C-shaped portions. Each C-shaped portion has a central yoke that extends into a pair of parallel legs. The C-shaped portions are re-assembled over primary and second windings so that the legs form a pair of parallel branches. One branch acts as the core and the other branch acts as the magnetic return path. | 01-06-2011 |
| 20080202484 | Ignition coil for an internal combustion engine - An ignition coil for an internal combustion engine has a core, which is provided with a plastic extrusion coat on its periphery. The core is concentrically surrounded by a secondary coil and a primary coil. The plastic extrusion coat of the core is used as a coil shell for the secondary coil so that it is possible to dispense with a separate secondary coil shell. The ignition coil therefore has an especially compact design. | 08-28-2008 |
| 20110259307 | IGNITION COIL - The invention relates to an ignition coil for an internal combustion engine, comprising a housing ( | 10-27-2011 |
| 20120103313 | IGNITION COIL FOR INTERNAL COMBUSTION ENGINE - An ignition coil for internal combustion engine includes: a center core disposed on an inner side of a primary coil and a secondary coil and a side core disposed on an outer side of the primary and secondary coils whose one end face abuts on one end face of the center core and the other end face abuts on the other end face of the center core via a magnet. The side core is formed of a plurality of side core portions obtained by dividing laminated magnetic steel plates at different positions in a longitudinal direction thereof and has a superimposed portion in which the magnetic steel plates of the adjacent side core portions mutually superimpose between the different positions in the longitudinal direction. It thus becomes possible to provide an ignition coil for internal combustion engine capable of suppressing an increase of magnetic circuit resistance markedly without deteriorating assembly workability. | 05-03-2012 |
| 20120186568 | IGNITION COIL, SPARK PLUG, AND IGNITION SET-UP INCLUDING AN IGNITION COIL AND SPARK PLUG, - In an ignition coil having a high-voltage terminal and a spring for electrically connecting the high-voltage terminal to a spark plug, a contact segment of the spring, which is directed towards the spark plug, has an outer circumference that is reduced in comparison with an outer circumference of further segments of the spring. The spark plug has a contact region for contacting with the spring of the ignition coil, which contact region has a recess surrounded by a closed, annular wall region for receiving the contact segment of the spring of the ignition coil. | 07-26-2012 |
| 20120227715 | IGNITION COIL FOR INTERNAL COMBUSTION ENGINES - In an ignition coil for an internal combustion engine, a column section and a notched section are provided in a side wall section of a case section of the ignition coil. A ventilation opening is formed in an up/down direction in the column section. The ventilation opening communicates with a ventilation passage formed between a sealing rubber and the case section and is open in an upper end section. A cover surrounding the column section and covering the upper end section is provided in the side wall section. A sealing section sealing the notched section is provided in the cover. The ignition coil has a filler resin that fills a space within the case section being in continuous contact with the sealing section and the side wall section and fixing the cover to the side wall section. | 09-13-2012 |
| 20120298082 | OUTBOARD MOTOR - An outboard motor includes an engine and a casing. The engine includes a cylinder unit, ahead cover and an ignition coil device. The cylinder unit is made of metal. The head cover is made of resin and is attached to the cylinder unit. The ignition coil device is attached to the head cover. The casing is made of resin and covers the engine. The coil ignition device includes a radiated noise reducer portion. The radiated noise reducer portion is configured to reduce noise that is radiated from the ignition coil device. | 11-29-2012 |
