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| Number | Title | Issue Date |
| 8074620 | Spark to flame conversion unit, such as employed with an existing spark plug or heat source supplied glow plug for accomplishing more efficient piston combustion A pre-chamber for use with a spark plug or glow plug, the chamber being secured at an upper end attachable unit associated with an internal combustion cylinder. The pre-chamber is designed to promote faster ionization resulting in more efficient spark to flame ignit... | 12/13/2011 |
| 8028675 | Ignition system for internal combustion engine and method for installation of same A novel method and apparatus useful for the installation of a flame cone within a respective throughbore in the head of an ICE having a pre-ignition system without removal of the head from the ICE, followed by threading a spark plug into the outboard end of the flam... | 10/04/2011 |
| 7798118 | Method and apparatus for incorporation of a flame front—type ignition system into an internal combustion engine A method and apparatus for installation and functioning of a flame front type ignition system in a throughbore through the wall of the head of an internal combustion engine. The flame front ignition system employs a flame cone which is thread ably inserted within th... | 09/21/2010 |
| 7438043 | Internal combustion engine with auxiliary combustion chamber An internal combustion engine is provided that basically comprises a cylinder block, a cylinder head, a piston, an auxiliary chamber partition wall and a spark plug. The auxiliary chamber partition wall is coupled to the cylinder head and extending toward the main c... | 10/21/2008 |
| 7270107 | Bolted pre-combustion chamber A pre-combustion chamber for an engine is made more simply removable from the cylinder head by integrating the chamber design and not threading the assembly to the head. The assembly is provided as an integrated design using a seal that helps dissipate heat from the... | 09/18/2007 |
| 7243634 | Turbocharging and precombustion chamber spark plug internal combustion engine, ignition method and application The invention concerns an internal combustion engine with at least one engine member, the engine member including a combustion chamber (4) of a combustible mixture with fuel components and oxidants, an ignition system of the combustible mixture by an igniter ... | 07/17/2007 |
| 7237526 | Internal combustion engine with direct injection and sparking plug with precombustion chamber, ignition method and application The invention concerns an internal combustion engine with at least one engine member, the engine member including a combustion chamber (4) of a combustible mixture with fuel and oxidant components fitted with a compression system (9), an ignition syste... | 07/03/2007 |
| 7216623 | Internal combustion engine with auxiliary combustion chamber An internal combustion engine comprises a main combustion chamber part, an auxiliary combustion chamber part, a first communicating passage, a second communicating passage and an igniting component. The auxiliary combustion chamber part includes first and second aux... | 05/15/2007 |
| 7210447 | Ignition device with precombustion chamber coated with a refractory coating layer, for internal combustion engine, and igniter with precombustion chamber The invention concerns an ignition device for internal combustion engine, containing: a main chamber (1) designed for including a main combustible mixture, and fitted with a compression system of said mixture, and ... | 05/01/2007 |
| 7204225 | Internal combustion engine with auxiliary combustion chamber An internal combustion engine includes a main combustion chamber and a small auxiliary combustion chamber. The main chamber is formed by a cylinder, the undersurface of a cylinder head, and the crown of a piston. A main ignition unit is disposed in the cylinder head... | 04/17/2007 |
| 7104246 | Spark ignition modifier module and method A multi-part module including a flame cone and a connector adapted to be interposed between the normal spark plug port in an internal combustion engine block and a spark plug suitable for use with the engine in question. In the method, a quantity of fuel/air mixture... | 09/12/2006 |
| 7104245 | Precombustion chamber ignition device made of a material with high thermal conductivity for an internal combustion engine, and precombustion chamber igniter The invention concerns an ignition device for internal combustion engine, containing: a main chamber (1) designed for including a main combustible mixture, and fitted with a compression system of said mixture, | 09/12/2006 |
| 7073471 | Apparatus and method for improving engine performance A spark plug adapter allows for installation into the cylinder head of an internal combustion engine of an improved high-performance spark plug of configuration considerably different from that which the cylinder head was manufactured to accept. This is accomplished... | 07/11/2006 |
| 7066137 | Anti detonation device and method for internal combustion engines A flame ejector device for mounting in the spark plug aperture of an internal combustion engine whereby an inner end of the device is within the combustion chamber, the device being configured to receive a fuel-air mixture charge on the compression stroke of the pis... | 06/27/2006 |
| 7040280 | Spark ignition enhancer and spark plug therewith A spark ignition enhancer is provided in a combustion chamber of a spark ignition direct injection engine. The combustion chamber includes a fuel injector operable to spray a fuel plume into the chamber near a spark gap. The ignition enhancer includes a diversion el... | 05/09/2006 |
| 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 |
| 7007653 | Robust torch jet spark plug electrode A composition for forming an electrode for use in a torch jet spark plug is provided. The composition comprises a ceramic material, ceramic particles, and an electrically conductive material. The ceramic particles are dispersed within the ceramic material. At least ... | 03/07/2006 |
| 6951194 | Combustion type power tool A combustion-type power tool capable of preventing a sub-stream of air-fuel mixture from passing through a gap between an electrode and an opposing electrode section, and yet capable of providing a desirable ignition without lowering maintenance efficiency of the to... | 10/04/2005 |
| 6557508 | Robust torch jet spark plug electrode A composition for forming an electrode for use in a torch jet spark plug is provided. The composition comprises a ceramic material, ceramic particles, and an electrically conductive material. The ceramic particles are dispersed within the ceramic material... | 05/06/2003 |
| 6213085 | Directed jet spark plug A torch jet spark plug (10) for use in a spark ignition system of an internal combustion engine. The spark plug (10) of this invention provides for ignition of an air/fuel mixture within a combustion prechamber (12) within the plug (10), which creates a j... | 04/10/2001 |
| 5992364 | Internal combustion engine with direct fuel injection In an internal combustion engine with direct fuel injection, which comprises a number of operating elements each including a combustion chamber delineated by an internal wall of a cylinderhead and a piston movably disposed in a cylinder, an injector mount... | 11/30/1999 |
| 5947076 | Fuel combustion assembly for an internal combustion engine having an encapsulated spark plug for igniting lean gaseous fuel within a precombustion chamber An internal combustion engine includes a precombustion member which has a number of first ignition orifices defined therein. The precombustion member further has a precombustion chamber defined therein. The precombustion member is positioned relative to t... | 09/07/1999 |
| 5799637 | Rocket effect sparking plug A spark plug is provided for internal combustion engines in which a tapered chamber or thrust nozzle is provided that terminates at the spark gap. The thrust nozzle is provided with a plurality of openings whereby fuel/air mixture is drawn from the main c... | 09/01/1998 |
| 5421300 | Torch jet spark plug A torch jet spark plug is provided which is suitable for use in a torch jet-assisted spark ignition system for an internal combustion engine. The torch jet spark plug is configured to ignite an air/fuel mixture within a combustion prechamber formed integr... | 06/06/1995 |
| 5297518 | Mass controlled compression timed ignition method and igniter A method and apparatus for compression timed ignition in internal combustion engines, the varying mass of the fuel-air mixture having controlling effect to retard timing by cooling a heater element to vary the current therethrough, and characterized by an... | 03/29/1994 |
| 5245963 | Device to enhance combustion efficiency in an internal combustion engine A device for improving the thermal efficiency of an internal combustion engine by incorporating a hot gas jet ignition system and a burned gas purge system. The hot, high velocity gas jet generated by the system promotes rapid combustion and helps to insu... | 09/21/1993 |
| 5230313 | Gas engine cylinder head, and a method of retrofitting the head with a precombustion chamber unit The cylinder head has a conventional spark plug, therein, for engine start-up, and has a precombustion chamber unit mounted therein as well, for cleaner, more stable normal running of the engine. The method defines the reaming out of spark plug apertures ... | 07/27/1993 |
| 5203298 | Pre-combustion chamber for internal combustion engine A pre-combustion chamber for internal combustion engine according to the present invention includes a cylindrical base portion having threads providing means for threadable engagement with a combustion chamber of an internal combustion engine, and a plura... | 04/20/1993 |
| 5109817 | Catalytic-compression timed ignition A catalytic prereaction timing ignition method and igniter unit for timed ignition of a fuel-air mixture in internal combustion engines providing an ignition chamber open into the combustion chamber of the engine, there being a catalytic igniter positione... | 05/05/1992 |
| 5105780 | Ignition assisting device for internal combustion engines A capsule, the interior volume of which is an ignition chamber, is provided with an engine to improve ignition. The capsule has an orifice so the ignition chamber can communicate with a main combustion chamber of the engine. Often, the capsule is connecte... | 04/21/1992 |
| 4987868 | Spark plug having an encapsulated center firing electrode gap A spark plug of an engine ignition/combustion system have the electrode gaps of the spark plug surrounded by a capsule having a controlled orifice system. The orifice system and electrode gap are positioned, sized, and oriented specifically for use with l... | 01/29/1991 |
| 4977873 | Timing chamber ignition method and apparatus A method and apparatus for timed ignition of a fuel-air mixture in internal combustion engines, incorporated therein or as a replacement unit therefor, providing an ignition chamber open into the combustion chamber, there being a catalytic igniter positio... | 12/18/1990 |
| 4930473 | Swirl chamber and spark plug assembly A swirl chamber and spark plug assembly comprises a unitary generally cup-shaped cylindrical member having external threads for removably installing it in the spark plug receiving hole of an internal combustion engine and a reduced diameter lower portion ... | 06/05/1990 |
| 4926818 | Pulsed jet combustion generator for premixed charge engines A method and device for generating pulsed jets which will form plumes comprising eddie structures, which will entrain a fuel/air mixture from the head space of an internal combustion engine, and mixing this fuel/air mixture with a pre-ignited fuel/air mix... | 05/22/1990 |
| 4924829 | Apparatus for torch jet assisted spark ignition Torch jet ignition is used to assist conventional spark ignition. A small (0.5-1 cc) chamber in a spark plug has an orifice (0.1-0.2 cm diameter) adjacent the spark gap to emit a torch jet into the main combustion chamber to enhance the combustion. The co... | 05/15/1990 |
| 4903656 | Gas engine A gas engine of a pre-chamber type in which a pre-chamber is arranged in communication to a main combustion chamber, an intake passage is arranged to supply lean mixture to the main chamber, a gas pipe is provided to form rich mixture by fuel gas in the p... | 02/27/1990 |
| 4892070 | Technique and spark plug to ignite very lean fuel air mixtures, particulary for gas engines A method and a spark plug construction to ignite very lean fuel air mixtures with the aid of an ignition chamber with separate ignition, which is arranged in the main combustion chamber of an internal combustion engine, connected to the main combustion ch... | 01/09/1990 |
| 4766861 | Ignition device for air-compressing internal combustion engine An ignition device for an air-compressing internal combustion engine which, in addition to reducing electrode erosion, requires low energy consumption. The ignition device includes a high-voltage spark plug (2) to which a casing (6) is connected, a rod (8... | 08/30/1988 |
| 4696269 | Device for improving the ignition of fuel-air mixtures in internal combustion engines A flame ignitor for internal combustion engines. This flame ignitor is, in one embodiment, an insert unit to be received in, for example, a conventional spark plug hole of an engine. It is to project into the combustion chamber of the engine a sufficient ... | 09/29/1987 |
| 4646695 | Device for improving the ignition of fuel-air mixtures in internal combustion engines A flame ignitor for internal combustion engines. This flame ignitor is, in one embodiment, an insert unit to be received in, for example, a conventional spark plug hole of an engine. It is to project into the combustion chamber of the engine a sufficient ... | 03/03/1987 |
