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| Number | Title | Issue Date |
| 7441540 | Multipoint ignition device A multipoint ignition device comprises: a head gasket (1) interposed between a cylinder head and a cylinder block of an engine, having an opening (3) in a position corresponding to a cylinder opening portion; and a plurality of intermediate members ( | 10/28/2008 |
| 7441526 | Multipoint ignition device A multipoint ignition device comprises: a head gasket (1) interposed between a cylinder head and a cylinder block of an engine, having an opening (3) in a position corresponding to a cylinder opening portion; and a plurality of intermediate members ( | 10/28/2008 |
| 7395793 | Ignition system for an internal combustion engine An ignition system for an internal combustion engine, having a combustion chamber and a fuel injection device which injects a fuel directly into the combustion chamber in stream-guided fashion, is configured so that the ignition system has a positive polarity. ... | 07/08/2008 |
| 7347174 | Combustion promoting device for internal combustion engine Disclosed is a combustion promoting device for an internal combustion engine which derives high combustion efficiency and high power from the internal combustion engine. The combustion promoting device is provided with a combustion promotion inductor formed of a sup... | 03/25/2008 |
| 7278387 | Multiple spark pattern internal combustion initiation device and engine using same A multiple spark pattern internal combustion initiation device includes a body defining a prechamber and a plurality of orifices from the prechamber. The device includes at least two electrical circuits which each form a spark gap with an electrical ground inside th... | 10/09/2007 |
| 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 |
| 7098581 | Spark plug A spark plug is disclosed having at least one main electrode and at least one secondary electrode. The gaps associated with the secondary electrodes are between one third and two thirds the optimum gap distance. Resistors associated with the secondary electrodes con... | 08/29/2006 |
| 7021275 | Igniter for internal combustion engines operating over a wide range of air fuel ratios An igniter for ignition over a wide air/fuel ratio range. Igniter includes an igniter body including an internal cavity disposed substantially within the igniter body, an internal spark gap disposed substantially within the internal cavity, an external spark gap dis... | 04/04/2006 |
| 6807933 | Multiple sparking ignition device The ignition system of the present invention involves the forming of multiple ignition sparks within the fuel-burning chamber of an internal combustion engine during each cylinder combustion cycle through electrical current flow through a plurality of electrodes fun... | 10/26/2004 |
| 6161520 | Multiple spark ignition gasket A gasket of non-conductive material formed of layers of a ceramic between which is embedded a wire circuit for connecting spark electrodes, high voltage connectors and ground connectors of a spark ignition system. The wire circuit includes small diameter ... | 12/19/2000 |
| 6104130 | Radial gap high thread spark plug A spark plug having a center electrode with a cylindrical body with a tip at one end and a terminal near the other end with an insulator radially surrounding the center electrode. A ground shield surrounds the insulator and includes a ground electrode nea... | 08/15/2000 |
| 5950584 | Spark plug for forming a spark to jump between two electrodes A spark plug for forming a spark that jumps between two electrodes has an insulating body surrounded by a housing with a ground electrode. The insulating body has a center electrode therein, which projects beyond the ground electrode in the axial directio... | 09/14/1999 |
| 5873338 | Spark plug for an internal combustion engine A spark plug has a cylindrical metal shell, a ground electrode and an insulator fixedly supported within the metal shell with a front end of the insulator extended beyond a front end of the metal shell. The insulator has an axial bore in which a center el... | 02/23/1999 |
| 5797383 | Dual polarity type ignition system for a spark plug group In a dual polarity type ignition system for a spark plug group, a cylindrical metal shell is provided in which an insulator is provided. The insulator has an axial bore in which a center electrode is provided whose front end has a first noble metal tip. A... | 08/25/1998 |
| 5090373 | Auxiliary device attachable to a convention spark plug Two fundamental types of auxiliary devices for increasing the fuel efficiency of a conventional spark plug without reforming any part of the spark plug. Each type has a pair of opposing tongues having parallel grooves on their opposing inside faces and fl... | 02/25/1992 |
| 5074262 | Spark device for internal combustion engines The spark device of the present invention includes a line of spaced apart conductor segments which have small spark gaps therebetween. One end of the line of segments is connected to a source of electrical energy, and the other end is connected to ground.... | 12/24/1991 |
| 5046466 | Spark-ignition engine A spark-ignition engine is disclosed that incorporates a relatively unlimited number of spark sources within each combustion chamber, without conventional spark plugs being required. The engine includes a planar circuit module clampingly located between a... | 09/10/1991 |
| 5007389 | Ignition plug for internal combustion engines and a process for igniting gas mixture by the use thereof This invention concerns an ignition plug for internal combustion engines and a process for igniting gas mixture by the use thereof, which functionally speaking are characterized by utilizing the expansion of initial gas combustion following the formation ... | 04/16/1991 |
| 4805570 | Multipoint spark ignition system A multipoint spark ignition system for an internal combustion engine. The head of each cylinder of the engine is provided with at least three openings, the axes of which intersect within the cylinder. A spark plug is threaded within each opening, and each... | 02/21/1989 |
| 4774914 | Electromagnetic ignition--an ignition system producing a large size and intense capacitive and inductive spark with an intense electromagnetic field feeding the spark An Electromagnetic Ignition system suitable for adaptation to standard automobile engines including diesel engines, which has been improved by means of a high efficiency RF capacitive spark plug with a projecting antenna tip used for forming very large sp... | 10/04/1988 |
| 4730582 | Performing spark plug A spark plug for an internal combustion engine which utilizes an annular round ring surrounding the center electrode. Surrounding the center electrode is a fire hole which includes an enlarged annular space to achieve an increased volume of the fire hole ... | 03/15/1988 |
| 4636690 | Spark plug for an internal combustion engine, having a pilot breakdown gap To increase the spark energy being transferred from a spark plug to a fuel-air mixture, so that the maximum energy transfer occurs during the initial breakdown phase and electrode deterioration at the spark plug is prevented upon occurrence of subsequent ... | 01/13/1987 |
| 4549114 | Spark plug for externally ignited internal combustion engine To increase the spark intensity delivered from a spark plug, an auxiliary spark gap (33) is serially connected with an auxiliary capacitor (37) and the main spark gap (42), the auxiliary capacitor being charged through a charging circuit including a resis... | 10/22/1985 |
| 4535735 | Multi-gap spark ignition system A multi-gap spark ignition system is disclosed. The system comprises a plurality of spark gaps which are formed in series. The length of the spark gaps increases from the high voltage power source side towards the earth side. According to the present inve... | 08/20/1985 |
| 4487177 | Apparatus and method for starting a diesel engine using plasma ignition plugs A diesel engine is started by plural ignition plugs, each installed in a swirl chamber of a corresponding cylinder. Each ignition plug includes (a) an elongated center electrode, (b) a fuel-absorbent electrical insulator that encapsulates the center elect... | 12/11/1984 |
| 4436068 | Ignition system of an internal combustion engine An ignition system of an internal combustion engine comprising a metallic plate inserted between the cylinder block and the cylinder head. The metallic plate has an opening, upon the inner peripheral wall of which is mounted a plurality of T-shaped electr... | 03/13/1984 |
| 4365186 | High energy modulation ignition system An ignition system (51-59, 60, Ql, Qn, 30) providing high modulation energy by means of modulator (30) is used to fire an igniter and effect total fuel burning without detonation. An extremely long ignition arc is initiated at an optimum timing angle (θÂ... | 12/21/1982 |
| 4317068 | Plasma jet ignition system An improvement on conventional internal combustion ignition systems, which improvement comprises a capacitor connected parallel to the secondary winding of the ignition transformer, and a bypass circuit through which energy stored in the primary circuit i... | 02/23/1982 |
| 4219001 | Method and apparatus for accumulating fuel particles in a portion of a combustion chamber An improved method and apparatus for effecting the ignition of a relatively lean air-fuel mixture includes a pair of electrode gaps at which strong electrostatic fields of relatively long duration are established to accumulate fuel particles in a portion ... | 08/26/1980 |
| 4177783 | Dual spark plug ignition system A dual spark plug ignition system for an internal combustion engine to decrease the production of air pollutants in the exhaust gases thereof, in which the spark plugs are set at an angle with respect to each other, and one is insulated, while the other o... | 12/11/1979 |
| 4164912 | Method for reducing pollution due to an internal combustion engine The method comprises, after the end of the normal combustion of the mixture in the combustion chamber of the engine, establishing a post-combustion by maintaining a series of high-tension sparks during a long period and introducing turbulent additional ai... | 08/21/1979 |
| 4124003 | Ignition method and apparatus for internal combustion engine An internal combustion engine ignition apparatus includes a secondary spark plug having a center electrode to which a high voltage is applied. A cylindrical peripheral electrode surrounds the center electrode and has peripheral openings. Upon the formatio... | 11/07/1978 |
| 4109633 | Spark-plug for automobile internal combustion engine Improved spark-plugs for automobile internal combustion engines are made in a manner that thermal conductance (G) from flame nucleus to the electrodes is made as small as possible through decreasing of fluid resistance with respect to minute flame nucleus... | 08/29/1978 |
| 4087719 | Spark plug A spark plug wherein corona discharge is employed to create a long arc and to determine, in part, the path of the arc, electrodes of the spark plug being shaped, oriented and positioned to create an arc of desired length, orientation and at a desired loca... | 05/02/1978 |
| 4046127 | Spark boosting device The invention comprises a spark booster for use in the ignition system of an internal combustion engine. Two embodiments of the invention are disclosed. Each embodiment comprises two electrically conductive members which are spaced from each other to defi... | 09/06/1977 |
| 4041922 | System and device for the ignition of an internal combustion engine using a lean air-fuel mixture An improved engine for burning a lean air-fuel mixture includes a main combustion chamber into which the air-fuel mixture is introduced and an auxiliary combustion chamber wherein the air-fuel mixture is initially ignited. A spark plug in the auxiliary co... | 08/16/1977 |
| 4020388 | Discharge device A discharge device for igniting a fuel-air mixture whereby fuel droplets in the mixture are electrically charged and, under the influence of an electric field, caused to congregate at a region thereby concentrating the mixture at said region, means being ... | 04/26/1977 |
| 4004562 | Multiple air gap spark plug having resistive electrode coupling A spark plug having multiple air gaps is described. The multiple gaps are defined by at least three electrode members defining at least two air gaps. A first electrode member is communicated to a ground potential while a second electrode member, the elect... | 01/25/1977 |
| 3974412 | Spark plug employing both corona discharge and arc discharge and a system employing the same A spark plug wherein corona discharge is employed to create a long arc and to determine, in part, the path of the arc, electrodes of the spark plug being shaped, oriented and positioned to create an arc of desired length and at a desired location as well ... | 08/10/1976 |
