Abstract: A burner for depositing carbon soot on a glassware mold includes a burner nozzle having an annular array of individual gas outlet ports, a fuel passage within the nozzle connected to a first plurality of the outlet ports and an oxidant passage in the nozzle connected to a second plurality of the outlet ports. The first plurality of outlet ports individually alternate with the second plurality of outlet ports around the annular array such that the array presents alternate fuel and oxidant outlet ports around the array. An ignition electrode is disposed on the burner nozzle within the annular array of outlet ports for igniting fuel and oxidant emerging from the outlet ports. The ignition electrode preferably is in the form of an elongated ignition electrode rod telescopically surrounded by an insulator and centered on the burner nozzle within the annular array of outlet ports, and a ground electrode telescopically surrounding the insulator.

Abstract: An igniter comprises at least two conductors in the spaced-apart configuration and an electrically conductive layer bridging the at least two conductors, wherein the conductive layer has an electrical resistance greater than an electrical resistance of the at least two conductors. In one embodiment, the at least two conductors and the electrically conductive layer comprise a conductive ink, which may be the same conductive ink having different dimensions. A supplementary initiator composition may be deposited on or incorporated into the conductive layer. In a process for producing the igniter, the electrically conductive layer and the at least two conductors are printed on a non-electrically conducting substrate.

Abstract: An electronic gas lighting device including: a cup-shaped casing, formed by an electrically insulating material; a plurality of high-voltage outputs carried by the casing and each including a chimney-like housing carried by the casing and also formed by an electrically insulating material and a first electric contact carried by the chimney-like housing and arranged therein; and a frame element integrally and protrudingly carrying, on a first face thereof intended in use to face towards the casing, a plurality of second contacts, in number equal to the high-voltage outputs present on the casing and adapted to couple with the first contacts within said chimney-like housings, and provided on a second face thereof, opposite to the first, with a plurality of electric wires each connecting a second contact with a spark generating electrode fastenable to a cooking range; snapping fastening means to the casing being peripherally arranged on the outside of the frame element, along at least one side of the same.

Abstract: A pilot and burner assembly includes a burner assembly and a blower for supplying combustion air to the burner assembly. The system further includes a pilot assembly and a fuel supply for providing fuel to the pilot assembly. A pilot fan provides pilot air to the pilot assembly, the pilot fan being separate from the blower and provides air only to the pilot assembly.

Abstract: The invention relates to a system for fastening spark plugs (4) for boilers or the like, comprising a retainer (1) with an hole housing the ceramic body (104) of the spark plug (4) of the spark plug. According to the invention said hole axially projects for a certain length at least on one side of the retainer (1) such to form a cylindrical housing (5) for the ceramic body (104) of the spark plug (4), a cylindrical tightening ring (6, 8) being provided having such inner and external dimensions that it can be inserted by force fit between the inner wall of the cylindrical housing (5) and the external wall of the ceramic body (104) so to generate a predetermined radial tightening force of the spark plug (4) and such to obtain a tight seal between one side and the other one of the retainer (1).

Abstract: A folding lighter that does not injure a finger or inadvertently ignite at pressing of the operating button at time of folding the swingarm to make the lighter compact. A folding lighter comprising body 2 housing a fuel tank 106 and a piezoelectric unit 102 and possessing on a side surface operating button 8, and swingarm 4 connected with free swinging to one end of body 2, and possessing a safety mechanism to prevent folding of swingarm 4 when foreign object 134 interposes between swingarm 4 and operating component 8 at time when swingarm 4 is being folded. The safety mechanism possesses swing preventer 120 that oscillatingly shifts by operation of operating component 8, and swing preventer 120 possesses first arm 121 that is pressed by pressing inward operation of operating component 8, and on the opposite side of axle socket 122 possesses second arm 123 that prevents swingarm 4 from being folded when first arm 121 is pressed by pressing inward operation of operating component 8.

Abstract: A gas turbine engine system comprising, a gas turbine engine including a combustion area, a laser, a fuel nozzle including a cavity operative to transmit a fuel into the combustion area, and an optical fiber engaging the cavity, operative to transmit light emitted from the laser to the combustion area, wherein the light is operative to ignite the fuel in the combustion area.

Abstract: The present method and apparatus for producing a supersonic jet stream introduce an oxidizer in such a manner as to create a vortex, which is then restricted. Fuel is introduced into a reduced pressure eye of the vortex, forming a stratified composite stream of gases with unmixed oxidizer surrounding an inner mixture of fuel and oxidizer. This stratified composite stream is passed down a tube that exhausts to a low pressure environment. The combined fuel and oxidizer in the stratified stream is ignited to provide a high-velocity stream of combustion products. The outer layer of unmixed oxidizer in the vortex shields the tube and reduces or eliminates the need for additional cooling.

Abstract: A cooker for use by troops on deployment comprises a container 10 for cooking fat sitting upon a heating chamber 12. The heating chamber 12 has a back wall 14 formed with an aperture 16 to receive a burner and a front wall 18 formed with an exhaust port 20 communicating with a chimney 22. The heating chamber has side walls extending between its front and back walls 18 and 14. The container has a hinged lid 28 which folds to present a rack 30 for food frying baskets (not shown). The cooker is configured and arranged so that flame from the burner does not contact the container 10 and heat is diffused over the container 10, whereby cooking fat therein is not locally overheated.

Abstract: A foldable lighter that prevents inadvertent ignition by erroneously pressing on the operating button at time of folding the swing-arm to make the lighter compact. A foldable lighter 1 that comprises a lighter lighter body 2 that contains a fuel tank, a piezoelectric unit 102 and an operating button 8, and swing-arm 4 connected with free swinging to one end of lighter body 2 and that incorporates a locking mechanism that prevents accidental depression of the operating button 8. The locking mechanism consists of a projecting portions 74 formed in a predetermined range of the cylindrical walls 26a, 26c made integrally with a swing-arm 4 and a hook 8b that extends from the operating button along a portion of the cylindrical walls.

Abstract: A biomass furnace (12) includes an auto-ignition system (28) for automatically resuming combustion of a biomass fuel (16) in response to sensed conditions. The auto-ignition system (28) raises the temperature of biomass fuel (16) in the combustion chamber (14), in the absence of flame or spark, by pumping superheated air into the combustion chamber (14) causing the fuel (16) to spontaneously combust. An auxiliary heat source (34) is located in a plenum (30) leading to the combustion chamber (14). A fan (32) forcibly moves air through the plenum (30), around the auxiliary heat source (34) and then into the combustion chamber (14) to initiate combustion in the absence of flame.

Abstract: An adjustable burner kit for a grill includes an adjustable burner having a burner end telescopically received on a burner inlet. The adjustable burner defines a passageway for receiving gas. The burner inlet has a proximal end for receiving a gas valve. The burner end has a proximal end adjacent to the distal end of the burner inlet. The burner end defines a mounting member on its distal end. The mounting member includes a flat section that defines a cutout for receiving a mounting screw. An optional mount piece may be provided for engaging the mounting member to provide an alternatively oriented mounting interface. The adjustable burner has an adjustable length.

Abstract: Disclosed is a furnace adapted for burning solid materials, including biomass fuels. The furnace comprises an igniter having a heating element carried by a ceramic core and disposed within a ceramic cover tube for directing air at fuel disposed within the furnace for the purpose of igniting the fuel. Also disclosed is an igniter having a heating element carried by a ceramic core and disposed within a ceramic cover tube for directing air at fuel disposed within the furnace for the purpose of igniting the fuel.

Abstract: The present invention provides an ignition system for a pulse fog generator having a carburetor, a pump for pumping air into the carburetor, and a priming pump for directing a quantity of fuel into the carburetor. The ignition system includes an igniter operable on low voltage, a switch for activating and deactivating the igniter, and a grounding connection for grounding the igniter to the carburetor. The grounding connection comprises a plurality of means for grounding the igniter including an igniter bracket and a ground wire assembly which couples to the igniter and to a location substantially near a sparkplug of the pulse fog generator.

Abstract: A burner (10) for a heater, especially for use in motor vehicles, with an essentially axially symmetrical combustion chamber (22) and a baffle plate (36) which is located in the combustion chamber. The baffle plate (36) has a defined curvature in an axial direction and that there is a curvature in the direction of the burnout zone (32). An outer periphery of the baffle plate defines a plane and a maximum axial distance of the baffle plate from this plane Dm and the diameter of the baffle plate Bd have dimensions that have a ratio Dm:Bd relative to each other that is between 0.07 and 0.21.

Abstract: A burner for a heater, especially for motor vehicles, has an essentially axially symmetrical combustion chamber, a burner nozzle for supply and atomization of fuel, a fuel needle for supplying fuel to the combustion chamber, a combustion air supply for supplying combustion air to the combustion chamber, a starting zone in which ignition of the fuel to start the burner takes place, a heat shield between the burner nozzle and the combustion chamber, the heat shield having openings for supplying secondary air to the combustion chamber, and a baffle plate located in the combustion chamber. By choosing the inside diameter of the fuel needle, the exit speed of the fuel is predetermined such that, during the starting phase of the burner; fuel in essentially unatomized form reaches the starting zone. The openings have air guide elements, and the baffle plate has a defined curvature in the axial direction.

Abstract: A burner (10) for a heater, especially for use in motor vehicles, with a burner nozzle (12) for supplying of fuel and primary air, a combustion chamber (22), and a heat shield (24) between the burner nozzle and the combustion chamber, the heat shield having openings (26) for supplying secondary air to the combustion chamber. The openings (26) are equipped with air guide elements (28, 30).

Abstract: An inwardly firing burner design is shown which can be used in a variety of heating applications. A water heater apparatus is also shown which includes a water heating tank having generally cylindrical sidewalls with upper and lower ends, each of which is closed by a transverse wall section to define a closed tank interior. The tank also has a water inlet and a water outlet. A plurality of vertically arranged fire tubes are connected between the upper and lower transverse wall sections, each fire tube having an open interior for conducting products of combustion. A burner assembly is mounted on the tank which features the inwardly firing construction that eliminates the need for an external combustion chamber.

Abstract: An apparatus for the ignition of a fuel/air mixture in the combustion chamber of a combustion machine, wherein the combustion chamber has at least one inlet valve and at least one outlet valve, wherein there are further provided a laser light generating device for giving off laser light and a combustion chamber window for coupling the laser light into a combustion chamber of the combustion machine, wherein there is provided at least one fluid feed means which is separate from the inlet valve or valves and with which a fluid can be caused to flow at least on to regions of the surface of the combustion chamber window or between the combustion chamber window and the focal point of the laser light.

Abstract: A system for generating a high DC voltage for a spark to ignite a flame in a combustion device, and a high AC voltage for a flame rod to sense a flame in the device, from a low voltage for combustion device control. The system may be an inexpensive mechanism.

Abstract: A catalytic combustor (1) is provided for combustion of gaseous and liquid fuels, which combustor comprises a housing (2) having an inlet (3) and an outlet (4) through which an airflow is directed, and a fuel injector (10) for injecting fuel in the airflow. The combustor also comprises at least one catalytic element (12, 14, 15) for combusting the mixture of air and fuel. A fuel-evaporating device (7) is arranged for evaporating a liquid fuel, which device is heated by the catalytic element (12), either through combustion therein or by means of an electrical heating element (13) arranged adjacent thereto.

Abstract: A system for converting fuel and air into reformate with a reformer which has a reaction space, a nozzle for supplying a fuel/air mixture to the reaction space, and a fuel feed for supplying fuel to the nozzle. In the reaction space, there is a breaker body for a fuel/air mixture supplied through the nozzle.

Abstract: Automatic device for the ignition and control of a gas apparatus comprising at least one burner for regulating the flow of gas from a main pipe towards a nozzle associated with the burner; a spark circuit suitable for generating a pilot flame upon receipt a electric start signal; electrically controlled valve means associated to said at least one burner; at least one supply voltage provided by the electricity main and/or by battery means, to supply said automatic device; an electrical microprocessor unit in said automatic device to drive and to control both said valve means and said spark circuit; at least one actuator circuit activated by said electrical microprocessor unit through an activation signal having a pulse train to dynamically bias said valve means and to regulate its charge state according to the duty cycle of the pulse train. The present invention also concerns a method for driving the automatic device for the ignition and control of a gas apparatus.

Abstract: A surface mixing burner (16) is positioned in alignment with a mold of a glass container forming machine of the I.S. type to produce a supply of soot to lubricate an inner surface of the mold, the soot being produced by combustion of a rich, combustible supply of a fuel and an oxidant. The supply of fuel and oxidant is intermittently ignited by a sparking device (54) that is positioned within a sooting head (10), and an ignition coil (56) is positioned within the sooting head to deliver a high voltage pulse to the sparking device by the inductive discharge method. The ignition coil is positioned sufficiently close to the sparking device, and preferably in direct contact therewith, to avoid interference with the proper operation of an electronic control system for the I.S. machine. A remotely-positioned power supply (62) is provided to energize the ignition coil, the power supply providing power to the ignition coil at a relatively low voltage, for example, 12-24 volts d.c.

Abstract: High voltage gas igniters are described, including a hand held portable gas torch igniter of the piezoelectric-type which includes a finger grip housing body actuated by inward depression of the push button igniter to generate a spark-producing voltage when held near the combustible gas exiting the bum tube of a torch or combustible gas exit of a heating device. The igniter has a tube electrode for easy construction, and deflector shield for user protection and gas mixing. Other igniters have multiple spark gaps for increased effective spark length.

Abstract: In certain embodiments, an apparatus includes a burner. The apparatus can also include an intake valve that includes an input for receiving fuel from either a first fuel source at a first pressure or a second fuel source at a second pressure. The intake valve can include a first output for directing fuel received from the first fuel source and a second output for directing fuel received from the second fuel source. The intake valve can include an actuator configured to permit fluid communication between the input and the first output or between the input and the second output. The apparatus can include a pressure regulator that can include a first inlet for receiving fuel from the first output of the intake valve and a second inlet for receiving fuel from the second output of the intake valve. The regulator can also include an outlet for directing fuel from the pressure regulator toward the burner.

Abstract: A flame ignition device for a gas burner is described, comprising at least one ignition circuit and electric switching means that are associated with the gas tap for the respective burner. The electric switching means include at least one electric contact member (50) which is integral, at least in translation, with the control rod of said gas tap.

Abstract: A system is presented for an improved igniter and an igniter bobbin for a high voltage burner igniter that reduces parts count and simplifies assembly of the igniter used in fuel based burners for boilers, forced air furnaces and water heaters. In one aspect of the invention, the igniter bobbin of the present invention comprises two high voltage insulators and a coil bobbin of a high voltage transformer molded or otherwise integrated together into a single monolithic structure. In another aspect, the igniter bobbin may be molded from an insulative material to form the single monolithic structure that insulates the high voltage electrodes which are inserted within the high voltage insulators portion of the structure, and to insulate the primary and secondary coils that are wound onto the coil bobbin portion of the structure.

Abstract: An evaporative burner, particularly for a vehicle heating device, includes a combustion chamber housing and, in the combustion chamber housing, an evaporative medium for receiving liquid fuel and for delivering fuel vapor into a combustion chamber. A heating coil arrangement is on a side of the evaporative medium remote from the combustion chamber, and an ignition region of the heating coil arrangement extends over the evaporative medium into the combustion chamber.

Abstract: A method and apparatus for igniting a gas flare includes a housing (12, 112) and at least one flow passage (14, 120) extending through the housing (12, 112). A body (16, 124) made from a heat conducting material in communication with the at least one flow passage (14, 120). A heating element (18, 126) embedded in the body (16, 124) maintains the body (16, 124) at a temperature above an ignition temperature of a combustible mixture of combustion air and combustible gases. The combustible mixture passing along the at least one flow passage (14, 120) is ignited immediately upon coming in contact with the body (16, 124). The apparatus can be a separate from the gas flare or can be incorporated into the construction of the gas flare.

Abstract: 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 formed through said chamber wall with a large amount of clearance to accommodate relative displacement between said casing and said chamber wall, and a sealing device provided between said body and the perimeter of said opening, said sealing device comprising an annular plug-guide through which said body passes, the plug-guide being slidably mounted at the radially-outer end of an annular support whose base is secured to said perimeter, wherein the support is secured to the radially-outer portion of a chimney passing through said opening and presenting at its radially-inner end a collar bearing against the inside face of the chamber wall, and wherein a cooling circuit for said collar is provided.

Abstract: An electric gas lighter for generating sparks at one or more burners of a cooking range, and including a transformer having a primary winding, and a secondary winding divided into a number of coils, each having output terminals, and which are wound on respective axially adjacent portions of a substantially cylindrically symmetrical drum forming part of a supporting member made of insulating material and formed in one piece with supports projecting tangentially with respect to the drum and each supporting a respective terminal defined by a blade contact; the coils are connected electrically to one another in series to form one secondary winding, which has been obtained by winding continuously, i.e. without making cuts, an insulated electrically conducting wire onto the drum to form the coils; the wire being wound alternately onto the drum in an opposite direction for each coil; and the winding direction being inverted upon the wire engaging each terminal located axially between two adjacent coils.

Abstract: 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 cooling module. The cooling module includes a cooling tube adapter and a rear ferrule attached at either end of a flexible conduit. The conduit surrounds a thin wall polytetrafluorethalene liner, a braided tube and a cable support. The braided tube is electrically connected to the flexible conduit. Another version of the cooling module, designed for serviceability, includes a cooling tube adapter and a modified rear ferrule attached at either end of a flexible conduit, however a thick wall polytetrafluorethalene liner is removably secured within the flexible conduit by a circular clip sized and shaped to fit through the cylindrical bore of the modified rear ferrule when compressed.

Abstract: A generally toroidal counterflow heat exchanger is the main element of a combustor that operates at a micro scale. The combustor includes a central combustion region with openings to a reactant gas channel and an exhaust gas channel. The reactant channel and exhaust channels are coiled around each other in a spiral configuration that reduces heat loss. An electric current microgenerator is similar and also includes a thermoelectric active wall composed of n-type and p-type thermoelectric elements as part of a channel wall of the microcombustor. The thermoelectric active wall includes fins configured to increase the temperature differential across the thermoelectric elements relative to the temperature difference between the thermoelectric elements and the reactant and exhaust gases. A method of monolithically fabricating such microdevices by electrodepositing multiple layers of material is also provided.

Abstract: Methods and apparatus are presented for producing carbon black on a substrate. One preferred method includes providing a head assembly including a nozzle, the nozzle including a first injector for injecting a gas such as acetylene, and a second injector for injecting a mixture of a fuel and an oxidant to produce a pilot flame. The head assembly is indexed over a substrate on which is to be deposited carbon black. The acetylene is injected through the first injector, then through a pilot flame emitted from one or more second injectors, and finally toward a substrate to be coated with carbon black, but only when a deposit of carbon black is desired. The method includes ceasing the flow of acetylene, indexing the head assembly away from the substrate on which was just deposited the carbon black after a carbon black deposition sequence, and ceasing fuel gas and oxidant gas flows through the second injector.

Abstract: An igniter (10) for use in a protecting device for vehicle occupants comprises a member selected from the group of a base body (12) and a base body (12) surrounded by a base body ring (42), as well as contact pins (32) received in the base body (12), a sleeve (14) adjoining the base body (12) or the base body ring (42) and for receiving an ignition charge (16), and a cover (22) closing the sleeve (14). The base body (12) and the sleeve (14), or the base body ring (42) and the sleeve (14), are made in one piece with each other.

Abstract: An electronic gas-lighting device includes a casing made of insulating material; electronic high-voltage-pulse generating circuit including at least one transformer having a secondary winding, the ends of which are connected to respective high-voltage terminals; and fitting elements for removably fitting the insulating casing to a supporting surface of a conducting metal body element of an electric household appliance, e.g., a cooking range with gas burners. The casing includes a cup-shaped body housing the transformer, and a box portion which is formed integrally with the cup-shaped body, houses at least part of the electronic high-voltage-pulse generating circuit, and is fitted directly with respective supply contacts located on the box portion to form a supply terminal board. The supply contacts are connected exclusively to the electronic high-voltage-pulse generating circuit, and are connectable to the wires of a supply cable.

Abstract: A heater in which, during the glow plug ramp time interval, the amount of energy supplied per unit of time to the glow plug/flame monitor can be successively changed, and a control unit which is operationally coupled to the glow plug/flame monitor. To enable continuous flame monitoring during the starting phase of the heater with the control unit, the resistance value of the glow plug/flame monitor is determined during the glow plug ramp time interval and compared to a threshold value RGS, and when the threshold value RGS is not reached, a flame-out signal is generated.

Abstract: A fuel cell preferably includes a fuel cell stack for receiving reactants and conducting a reaction to produce an electrical current, a catalytic combustor for combusting reactants that pass un-reacted through the fuel cell stack, and a heat exchanger for exchanging heat from an exhaust of the catalytic combustor to the reactants received by the fuel cell stack.

Abstract: Sequenced pulses of light from an excitation laser with at least two resonator cavities with separate output couplers are directed through a light modulator and a first polarzing analyzer. A portion of the light not rejected by the first polarizing analyzer is transported through a first optical fiber into a first ignitor laser rod in an ignitor laser. Another portion of the light is rejected by the first polarizing analyzer and directed through a halfwave plate into a second polarization analyzer. A first portion of the output of the second polarization analyzer passes through the second polarization analyzer to a second, oscillator, laser rod in the ignitor laser. A second portion of the output of the second polarization analyzer is redirected by the second polarization analyzer to a second optical fiber which delays the beam before the beam is combined with output of the first ignitor laser rod.

Abstract: The invention relates to an atomizer burner for a motor vehicle heater, with a cobustion chamber which contains a baffle barrier and with an atomizer means (2) which atomizes the fuel into the combustion chamber, characterized in that within the combustion chamber in the atomization direction of the fuel at a distance from the atomization point of the atomizer means (2) which is smaller than the diameter of the combustion chamber or the diameter of a cylindrical heat shield (8) which extends in the combustion chamber there is a baffle plate (18) which acts as a baffle barrier.

Abstract: An ignitor assembly for a fossil fuel-fired power generation system includes an elongate electrode, a tube sub assembly, and a coupling sub assembly, and an insulator sub assembly. The coupling sub assembly cooperates with other structural elements of the ignitor assembly and the respective windbox in which the ignitor assembly is installed to operably couple the elongate electrode to an external electrical power source. The ignitor assembly includes a contact socket secured by crimping to a lead of the external electrical power source which is biased into an electric current communicating disposition with the electrode rod of the ignitor assembly.

Abstract: An electronic gas-lighting device (1) having a casing (2) made of insulating material and defined by a cup-shaped body (6); electronic high-voltage-pulse generating means (3) housed in an inner cavity (7) of the casing (2) and including noise suppressing means (4) in turn including a ground connection (26); and assembly means (5) for removably fitting the casing (2) to a supporting surface of a metal conducting body element of an electric household appliance, in particular, a cooking range with gas burners. The ground connection (26) is defined by an elastically deformable conducting element (27) which is connected electrically to the noise suppressing means (4), projects outside the cavity (7) on the same side as the assembly means (5), and is so formed as to be interposed, in use, between the casing (2) and the supporting surface and gripping between the casing (2) and the metal conducting body element by means of the assembly means (5).

Abstract: A gas operated lantern includes a control mechanism whereby a user may start gas flow through the lantern, operate a choke, and ignite the lantern. The user may perform these operations using the same control in an easy, simple series of motions. The user may rotate a knob, rotating a stem, to start gas flow and press the knob axially inward along the stem to operate a choke and an igniter.

Abstract: An ignitor controller and method of providing the same triggers an ignitor switch of a gas appliance, such as a furnace, subsequent to the zero-crossing of the line voltage, but before the voltage exceeds +/−five volts. This effectively reduces EMI levels caused by the constant triggering of AC line voltage to the ignitor switch after +/−five volts, which constant triggering is needed to properly operate ignitors (e.g., silicon nitride ignitors) in electronic ignition systems. The controller includes a voltage detector circuit (i.e., a two transistor circuit), a series switch (i.e., a darlington array) and an energy storage device (i.e., a capacitor), which trigger the ignitor switch (e.g., a triac) sufficiently close to the line voltage zero-crossing to reduce line conducted interference.

Abstract: The invention relates to an atomizer burner for a motor vehicle heater, with a combustion chamber which contains a baffle barrier and with an atomizer means (2) which atomizes the fuel into the combustion chamber, characterized in that within the combustion chamber in the atomization direction of the fuel at a distance from the atomization point of the atomizer means (2) which is smaller than the diameter of the combustion chamber or the diameter of a cylindrical heat shield (8) which extends in the combustion chamber there is a baffle plate (18) which acts as a baffle barrier.

Abstract: An electric gas lighter having a lighting circuit for generating sparks at at least one burner. The lighting circuit is connected to a power line supplying a supply voltage, and has an enabling terminal for enabling spark generation when connected to a reference-potential line, or disabling spark generation when floating. The gas lighter also has hand-operated switches having at least a first terminal connected to the enabling terminal of the lighting circuit by a connecting line, and at least a second terminal connected to the reference-potential line.

Abstract: In the apparatus of the invention, a first excitation laser or other excitation light source is used in tandem with an ignitor laser to provide a compact, durable, engine deployable fuel ignition laser system. The beam from the excitation light source is split with a portion of it going to the ignitor laser and a second portion of it being recombined with the first portion after a delay before injection into the ignitor laser. Reliable fuel ignition is provided over a wide range of fuel conditions by using a single remote excitation light source for one or more small lasers located proximate to one or more fuel combustion zones.

Abstract: In the apparatus of the invention, a first excitation laser or other excitation light source capable of producing alternating beams of light having different wavelengths is used in tandem with one or more ignitor lasers to provide a compact, durable, engine deployable fuel ignition laser system. Reliable fuel ignition is provided over a wide range of fuel conditions by using the single remote excitation light source for pumping one or more small lasers located proximate to one or more fuel combustion zones with alternating wavelengths of light.

Abstract: In the apparatus of the invention, a first excitation laser or other excitation light source is used in tandem with an ignitor laser to provide a compact, durable, engine deployable fuel ignition laser system. Reliable fuel ignition is provided over a wide range of fuel conditions by using a single remote excitation light source for one or more small lasers located proximate to one or more fuel combustion zones. In two embodiments the beam from the excitation light source is split with a portion of it going to the ignitor laser and a second portion of it being combined with either the first portion after a delay before injection into the ignitor laser or combined with the output of the ignitor laser. In another embodiment alternating short and long pulses of light from the excitation light source are directed into the ignitor laser.