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| Number | Title | Issue Date |
| 7332101 | Permanently linked, rigid, magnetic chains One aspect of the present invention relates to a permanently linked, rigid, magnetic chain of particles prepared by sol-gel methods. A second aspect of the present invention relates to a method of preparing a permanently linked, rigid, magnetic chain of particles co... | 02/19/2008 |
| 7315110 | Spark plug with easy-to-recognize identification marks A spark plug according to the invention has a length and an outer side surface. The outer side surface includes a plurality of closed band-shaped regions arranged in the lengthwise direction of the spark plug, within each of which a plurality of identical marks, whi... | 01/01/2008 |
| 6930441 | Spark checker-spark arc gage An arc gage (30) includes a non-electrically conductive housing (42) and a first electrically conductive pin (44) that is disposed therein. The first pin (44) has a first end (44A) disposed within the housing (42) and a seco... | 08/16/2005 |
| 6882092 | Jet nozzle spark plug A spark plug having a ground electrode in the shape of a horn nozzle defined by an enlarged mouth and a reduced throat joined together, a conical inner wall tapered from the mouth to the throat. An ignitor electrode terminates at its distal end in a spherical tip di... | 04/19/2005 |
| 6849994 | Electrode assembly for lithotripters An electrode assembly has an inner conductor removably connected to an insulating layer. The inner electrode is removable so that the discharge tip may be replaced without destroying the insulating layer and thus reused. In the preferred embodiment external threads ... | 02/01/2005 |
| 6586865 | Variable gap spark plug A spark plug for igniting an air/fuel mixture in a combustion chamber of an internal combustion engine includes a spark gap having a variable distance defined between a central electrode and a ground electrode portion of a ground terminal. The ground term... | 07/01/2003 |
| 6006711 | Spark plug function incorporated engine valve and valve mechanism A spark plug and an engine valve member are integrally combined in the same structure by forming an ignition gap between a first electrode rod which is the center electrode incorporated in an engine valve body and a second electrode portion which is the g... | 12/28/1999 |
| 5831376 | Electro magnetic controlled platinum infrared filament ignitor An electro magnetic controlled platinum infrared filament ignitor has a screw nut, a top pin, an electro magnetic induction coil, a magnetic permeable bolt, a metal wrapped cylinder and a platinum filament. Heat produced by current flowing in the platinum... | 11/03/1998 |
| 5531199 | Internal combustion engines An internal combustion engine in which each cylinder is connected to sources both of air and of fuel held as a gas under pressure and in which the compression stroke, during which a full charge of air is drawn and compressed, is substantially completed be... | 07/02/1996 |
| 5463267 | Spark plug with automatically adjustable gap In spark ignited engine configurations, it is common to provide a spark plug that has a spark gap that has dimension that will accommodate good starting capabilities for the engine. In some cases, this spark gap is larger than required for the engine to r... | 10/31/1995 |
| 4970427 | Electrode arrangement for establishing a sustained electrical arc An electrode arrangement for establishing a sustained electrical arc with a low voltage in which a pair of electrodes are initially brought together and then separated while a current is applied. The sustained arc is adapted to activate fuel flowing past ... | 11/13/1990 |
| 4850316 | Contact-breaking ignition plug and method of generating a spark therewith A contact-breaking ignition plug comprises a magnet coil arranged in a housing and surrounding a magnet core. The magnet core comprises an enlarged end portion with lateral surfaces extending conically in relation thereto and also comprises a cavity in wh... | 07/25/1989 |
| 4639635 | Spark plug The invention relates to a spark plug (1) comprising at least two insulated electrodes (5) and (6), an earthed electrode (7) and a chamber (4) so arranged with respect to one another that when a voltage is applied arcs are struck in series between electro... | 01/27/1987 |
| 4553927 | Ignitor probe assembly and ceramic insulator therefor An ignitor probe assembly (10) for the ignition of fossil fuel burners comprises in combination an ignitor (11) having a tip (70) activated by electrical energy and producing a temperature sufficient to ignite a fossil fuel, pipe means (12) for positionin... | 11/19/1985 |
| 4472152 | Igniter constructions and methods of making the same The combination of a frame and an igniter body secured in an opening passing through opposed sides of the frame so that an igniter electrode carried by the igniter body projects beyond one of the sides of the frame and a lead of the igniter electrode exte... | 09/18/1984 |
| 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 |
| 3970053 | Internal combustion engines An internal combustion engine having at least one cylinder, a combustion chamber externally of the cylinder and communicating with the cylinder, and spark ignition means, which preferably comprises a first electrode supported in a central region of the co... | 07/20/1976 |
| 3940649 | Spark plug construction The spark plug has been designed so as to, be capable of being disassembled for cleaning, have a substantially full shield for the spark gap end of the center electrode portion, enable the center electrode to be readily replaced, if desired, enable partia... | 02/24/1976 |
