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| Number | Title | Issue Date |
| 8046987 | Air cooled core mounted ignition system An air cooled core mounted ignition system for gas turbine engine applications is provided. The ignition system includes an ignition exciter component directly mechanically and electrically connected to an igniter component. The housing member of the exciter compone... | 11/01/2011 |
| 7322197 | Variable rate ignition Variable rate ignition method and system that take advantage of knowledge and analysis of environmental conditions and/or operational conditions. A variable ignition rate for igniting the engine permits an optimal use of the igniters and thereby prolongs their life ... | 01/29/2008 |
| 7303132 | X-radiation scanning system having an automatic object identification and attribute information acquisition and linking mechanism integrated therein An x-ray object scanning-tunnel system for automatically acquiring and linking object identity and attribute information about each object transported therethrough while bearing a bar code symbol and/or graphical indicia on the exterior surface thereof. The system c... | 12/04/2007 |
| 7246483 | Energetic detonation propulsion A propulsion system for creating a propulsive force has a combustion chamber, a pair of electrodes within the combustion chamber and a power supply attached to the electrodes to create a high voltage field within an initiation zone of the combustion chamber, and an ... | 07/24/2007 |
| 7243496 | Electric flame control using corona discharge enhancement A method of operating a combustor (10), to provide intimately mixed hot combusted gas (44) for a gas turbine (46), includes feeding gaseous oxidant (12) and gaseous fuel (16) into the combustor (10) near a combustion flame (... | 07/17/2007 |
| 7216488 | Methods and apparatus for cooling turbine engine combustor ignition devices An ignition device assembly for a gas turbine engine combustor includes a body and a shroud. The body extends from an inlet end to an outlet end, and the shroud extends circumferentially around at least a portion of the body, and axially from a first end to a tip en... | 05/15/2007 |
| 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 |
| 7101173 | Plug sealing device that is not welded to the chamber wall The invention provides a combustion chamber comprising a chamber wall disposed radially inside a casing, an igniter plug for igniting the air-fuel mixture, the plug being mounted on said casing and comprising a body with a free end that is disposed in an opening for... | 09/05/2006 |
| 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 |
| 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 |
| 7065956 | Two piece jet engine igniter assembly A two-piece jet engine igniter assembly includes a front section and a rear section. When the igniter assembly is installed in an aircraft, either the front section or the rear section is removable for service or replacement. The front section includes a detachable ... | 06/27/2006 |
| 7036321 | Auxiliary power unit having a rotary fuel slinger An auxiliary power unit (APU) includes a rotary fuel slinger, and a single-spool, two-stage turbine. The rotary fuel slinger receives a rotational drive force from the turbine, and a supply of fuel from a fuel source. The rotary fuel slinger injects the fuel into a ... | 05/02/2006 |
| 6992426 | Spark plug of an internal combustion engine A spark plug of an internal combustion engine, in particular for use in Otto-cycle gas engines, having an insulator body, at least one fixed ground electrode carrier arrangement and at least one fixed central electrode carrier, wherein a spark plug housing having at... | 01/31/2006 |
| 6920762 | Mounting assembly for igniter in a gas turbine engine combustor having a ceramic matrix composite liner An assembly for mounting an igniter in a gas turbine engine combustor between an outer casing and an outer liner, wherein a longitudinal centerline axis extends through the gas turbine engine. The igniter mounting assembly includes a first spring member encircling a... | 07/26/2005 |
| 6895743 | Liquid propellant rocket motor The present invention provides a transpiration cooled rocket motor which operates at low combustion pressures, inherently provides stabilized combustion, and operates over a desired range of L-star. In a preferred embodiment the inventive transpiration cooled rocket... | 05/24/2005 |
| 6684621 | Jet engine igniter lead elbow assembly A jet engine igniter lead elbow assembly includes a hollow saddle adapter with a semi-circular cutout at one end, a master cylinder, an extension tube, a ferrule and a nut extension tube. The master cylinder is hollow, having a perpendicular circular orif... | 02/03/2004 |
| 6442929 | Igniter assembly having spring biasing of a semi-hemispherical mount An igniter assembly for a combustor of a gas turbine, the combustor being of a type including a case and a liner within said case, the assembly comprising an igniter including an elongate body having a first end, a second end, and a mounting feature inter... | 09/03/2002 |
| 6311475 | Device for igniting a combustion in a combustion chamber of a gas turbine A device for igniting a combustion in a combustion chamber of a gas turbine has a housing fitted with an end piece and with a head piece. Hitherto, an ignition conductor comes into contact with combustion air. Moreover, fragments of a partial ceramic insu... | 11/06/2001 |
| 6191536 | Solid-state ignition system using true voltage triggering A capacitive discharge ignition system is described that incorporates a two-terminal passive network for controlling the discharge of a capacitive energy storage device into an igniter plug, wherein the network comprises a solid-state switch for alternate... | 02/20/2001 |
| 6000214 | Detonation cycle gas turbine engine system having intermittent fuel and air delivery A detonation cycle gas turbine engine includes a turbine rotor contained within a housing. Exhaust ports of respective valveless combustion chambers on opposite sides of the rotor direct combustion gases toward the turbine. The chambers are connected by a... | 12/14/1999 |
| 5836150 | Micro thrust and heat generator A micro thrust and heat generator has a means for providing a combustion fuel source to an ignition chamber of the micro thrust and heat generator. The fuel is ignited by a ignition means within the micro thrust and heat generator's ignition chamber where... | 11/17/1998 |
| 5513489 | Rotary valve multiple combustor pulse detonation engine A pulse detonation engine is provided with at least one detonation combustor selectively coupled to an air inlet and fuel source. The detonation combustors are equipped with either active or passive means to dissipate the heat of detonation. Fuel, air, an... | 05/07/1996 |
| 5402637 | Igniter plug extender for a turbine engine combustor A plug extender for an igniter for a gas turbine engine combustor includes a coupling head for connecting the plug extender to an engine boss mounted in a wall of a turbine combustor and a terminal shell that connects to a cable of an electrical power sou... | 04/04/1995 |
| 5396761 | Gas turbine engine ignition flameholder with internal impingement cooling A cooled ignition flameholder assembly includes a first heat shield having first and second spaced apart chambers. A fuel spraybar is disposed inside the first chamber, and a hollow baffle is disposed inside the second chamber. A second heat shield is joi... | 03/14/1995 |
| 5367871 | Aircraft engine ignition system A plasma jet igniter is used to reliably relight a jet engine at high altitudes under adverse combustion conditions. The air-fuel mixture from the primary combustion zone of the jet engine combustor may be used as the plasma medium or, alternatively, liqu... | 11/29/1994 |
| 5353588 | Rotary valve multiple combustor pulse detonation engine A pulse detonation engine is provided with several detonation combustors selectively coupled to an air inlet and fuel source by a rotary valve. The rotary valve isolates the steady operation of the air inlet and fuel system from the unsteady nature of the... | 10/11/1994 |
| 5347422 | Apparatus and method for an ignition system An ignition system is provided that marries a free-running discharge circuit with a fast-charging, high voltage converter without resulting in an excessive rate of discharge. To this end, the free-running discharge circuit employs a passive switch embodie... | 09/13/1994 |
| 5345758 | Rotary valve multiple combustor pulse detonation engine A pulse detonation engine is provided with several detonation combustors selectively coupled to an air inlet and fuel source by a rotary valve. The rotary valve isolates the steady operation of the air inlet and fuel system from the unsteady nature of the... | 09/13/1994 |
| 5257500 | Aircraft engine ignition system A plasma jet igniter is used to reliably relight a jet engine at high altitudes under adverse combustion conditions. The air-fuel mixture from the primary combustion zone of the jet engine combustor may be used as the plasma medium or, alternatively, liqu... | 11/02/1993 |
| 5088287 | Combustor for a turbine Unreliable ignition in a small volume combustor for a gas turbine may be avoided in a combustor construction including a generally spherical combustion chamber (10). The chamber (10) includes an outlet 14 diametrically opposite from an inlet (12) and a fi... | 02/18/1992 |
| 5085040 | Torch igniters A torch igniter intended particularly for gas turbine engine applications comprises an integral assembly of a flame lighter and a fuel atomizer of the pre-filming air blast type. The fuel atomizer is configured so as to encircle the tip of the flame light... | 02/04/1992 |
| 5076061 | Stored energy combustor In order to significantly reduce the carbon produced in a combustor, and thus reduce or eliminate carbon buildup on a combustor wall (14), a stored energy combustor (10) has a fuel injector (28) in a tubular extension (16) of a vessel (12) leading to a co... | 12/31/1991 |
| 4944153 | Burner for hard-to-ignite mixtures A burner for hard-to-ignite mixtures, such as with exhaust gases of an internal combustion engine, in which an ignitable mixture is prepared in a locally limited area for producing an ignition flame that is then used for igniting the hard-to-ignite mixtur... | 07/31/1990 |
| 4938019 | Fuel nozzle and igniter assembly An elongate igniter is disposed in the inner air chamber of an air blast nozzle coaxial with the longitudinal axis thereof such that the discharge tip of the igniter discharges a spark generally longitudinally downstream of the tip out of the path of swir... | 07/03/1990 |
| 4925385 | Fuel igniter An apparatus for the continuous ignition of fuel, including substantially aqueous fuel, has a housing with a closed end, an open end and a continuous side wall with a spark generator at the closed end. The open end is covered by a cap which defines an exh... | 05/15/1990 |
| 4903476 | Gas turbine igniter with ball-joint support An igniter for a combustor of a gas turbine engine includes a body section mounted on a ball joint within a standoff cylinder. The standoff cylinder, in turn, is mounted on the casing of the combustor. An electrode tip, extending from the body section if ... | 02/27/1990 |
| 4597260 | Oxygen starting assist system An oxygen starting assist system for a gas turbine engine which facilitates lighting or relighting the air-fuel of the engine comprising a tubular element surrounding the spark plug that directs pure oxygen to the tip of the spark plug so as to envelop an... | 07/01/1986 |
| 4455822 | Device to ignite fuel injected in a rapidly flowing gaseous medium An open ended enclosure has a tubular conduit extending axially within it d is provided with both an electric spark plug and a catalytic ignition member in the annular region of the enclosure outside the tubular conduit.... | 06/26/1984 |
| 4414804 | Apparatus for ignition and reignition for a gas turbine A spark ignition system for a gas turbine electronically controls the cycle of charge and discharge of a spark generator of the capacitive type. There is a function generator (5) which derives a reference voltage as a function of the speed of the turbine ... | 11/15/1983 |
| 4275559 | Retractable igniter device for gas turbines An electrical igniter device for a gas turbine includes a conductive tubular shell having a spark electrode section and an integral body section with an open breach end and a conductive sleeve coaxial with the body section for coaxially supporting one end... | 06/30/1981 |
