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| Number | Title | Issue Date |
| 7188466 | Passive, high-temperature amplifier for amplifying spark signals detected in igniter in gas turbine engine A system for detecting spark in an igniter for a gas turbine engine. An igniter generates a plasma, or spark, somewhat similar to an automotive spark plug. In the invention, an inductive pick-up is positioned adjacent the igniter, to detect current pulses in the ign... | 03/13/2007 |
| 7093422 | Detecting spark in igniter of gas turbine engine by detecting signals in grounded RF shielding A system for detecting spark in an igniter for a gas turbine engine. An igniter generates a plasma, or spark, somewhat similar to an automotive spark plug. In the invention, an inductive pick-up is positioned adjacent the igniter, to detect current pulses in the ign... | 08/22/2006 |
| 7093421 | Spark igniter for gas turbine engine An igniter for a gas turbine engine. An igniter generates a plasma, or spark, somewhat similar to an automotive spark plug. In the invention, an auxiliary electrode is provided, which is embedded in and covered by a solid insulator. During initial phases of operatio... | 08/22/2006 |
| 7055482 | Cover for spark plug, ignition wire and boot A cover for the spark plug boot and an ignition wire connected with spark plug of an engine includes a woven fiberglass sheath surrounding the spark plug insulator and spark plug boot and having an entrance cuff formed with an inner end flap stitched to form a pocke... | 06/06/2006 |
| 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 |
| 6810847 | Charge dissipative cover for spark plug, ignition wire and boot A charge dissipative cover for the spark plug boot and an ignition wire connected with spark plug of an engine includes a woven fiberglass sheath surrounding the spark plug insulator and spark plug boot and having an exterior coating comprising a silicone-based base... | 11/02/2004 |
| 6634331 | Piston with integrated spark electrode A piston is disclosed, for use in an internal combustion engine, including an insulating guide formed therein for receiving an electrode. The electrode has a body, and at least one spark lead coupled to the body for inserting into a channel formed in the ... | 10/21/2003 |
| 6597088 | Spark plug with pressure measuring device In a spark plug, whose shell is provided with an eccentrically positioned, full-length, longitudinal bore designed to hold an insulating element, parts of the shell having varying wall thicknesses and a pressure measuring device being located in a part of... | 07/22/2003 |
| 6054402 | Mullite-zirconia engine part An improvement in a thermally insulating component for an engine part, made by sintering from ceramic materials, comprises, the thermally insulating component having a composition, consisting of a mixture of zirconium oxide in the range of about 5% to abo... | 04/25/2000 |
| 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 |
| 5918571 | Dual electrode high thread spark plug A spark plug (80) having a center electrode (82) with a cylindrical body and having a tip (84) at one end and a terminal (123) near the other end with an insulator (86) extending around the center electrode (82). A ground shield and retainer unit extends ... | 07/06/1999 |
| 5435278 | Cylinder head and spark plug assembly and method of using the same A cylinder head and spark plug assembly for mounting on an engine block to create a combustion chamber for burning fuel and method for assembling the same are disclosed. A cylinder head has an end wall with an exterior surface and an interior surface and ... | 07/25/1995 |
| 4901688 | Ignition plug for use in internal combustion engines and an ignition process by the use thereof An ignition plug of this invention is characterized in that a ground electrode thereof has a recess that faces the side surface of a single center electrode; more particularly, in the case of an L-shaped ground electrode whose free end is opposed to the c... | 02/20/1990 |
| 4795938 | Injection molded automotive spark plug Automotive spark plug having an injection molded body which includes the central electrode and connnecting cap and the grounded electrode. In one embodiment, the grounded electrode is secured to a threaded metal cap which is mounted on a band integral wit... | 01/03/1989 |
| 4748947 | Ignition system and method for multi-fuel combustion engines An ignition system providing both spark ignition and a hot surface for surface ignition of a stratified fuel charge. The ignition system includes a novel hot surface spark plug designed to maximize heat retention in the center electrode and surrounding in... | 06/07/1988 |
| 4672928 | Ignition device for internal combustion engines The invention teaches an ignition device for internal combustion engines, comprising at least one spark gap with two ignition electrodes for generating ignition sparks between them, whereby neither of the two ignition electrodes is connected to the ground... | 06/16/1987 |
| 4658774 | Ignition apparatus for internal combustion engines An improved ignition apparatus for an internal combustion engine includes at least an ignition coil and a first electrode assembly and a second electrode assembly, each thereof including an electrode, and each of the electrodes of the first and second ele... | 04/21/1987 |
| 4557229 | Ignition apparatus for internal combustion engines An improved ignition apparatus for an internal combustion engine includes at least an ignition coil and a first electrode assembly and a second electrode assembly, each thereof including an electrode, and each of the electrodes of the first and second ele... | 12/10/1985 |
| 4330732 | Plasma ceramic coating to supply uniform sparking action in combustion engines The present invention provides a hot spark that is more-or-less uniform over the combustion chamber volume in a liquid oxidant/liquid fuel combustion engine. In addition, heat losses are reduced and low wear/low friction surfaces are provided. Flame spray... | 05/18/1982 |
| 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 |
