Abstract: A gas collector electrode assembly that is movable within the collector box is disclosed. The electrode assembly includes a first diameter portion which is receivable within the collector box while a second diameter portion thereof is receivable through an aperture provided in the bottom wall of the collector box permitting a circumferential shoulder provided at the juncture of the first diameter portion and the second diameter portion to engage the inner surface defining the bottom wall of the collector box. A coil spring is receivable over the second diameter portion of the electrode assembly and one end thereof contacts the bottom wall of the collector box and the other end thereof is receivable within a circumferential groove provided on the second diameter portion of the electrode assembly causing the electrode assembly to be "spring mounted" within the collector box permitting radial and longitudinal movement thereof within the collector box.

Abstract: A burner apparatus comprising: a liquid fuel discharge means for discharging a liquid fuel; an ignition chamber wherein an ignitable gaseous composition can be ignited to yield an ignited composition; and a gas delivery means for delivering a gaseous, free oxygen source and a combustible gas to the ignition chamber such that the ignitable gaseous composition is provided in the combustion chamber. The ignition chamber is positioned with respect to the liquid fuel discharge means such that, upon leaving the ignition chamber, the ignited gaseous composition will ignite the liquid fuel as the liquid fuel is discharged from the discharge means. Preferably, the gas delivery means includes a conduit through which the free oxygen source is conducted into the ignition chamber. The gas delivery means also preferably includes a passageway, adjacent the exterior of the conduit, through which the combustible gas is conducted into the ignition chamber.

Abstract: A burner for an industrial furnace has a plurality of lines passing through a furnace wall for fuel gas, burner air, and waste gas. Arranged in the furnace space is a combustion chamber (66) in which a mixture of fuel gas and burner air is combusted, and from which a flame (89) is directed into the furnace space. The combustion chamber (66) is delimited by walls (32, 65). The walls (32, 65) are arranged to be movable with respect to one another (65', 65"), so that the volume of the combustion chamber (66) is adjustable (FIG. 2).

Abstract: An ignition device for burners in which an ignition spark is established over a nonconducting surface between a hot electrode and a grounded electrode or electrically conductor portion which enables a greater spark distance to be obtained as compared to an ignition spark which jumps across an air gap between two conducting electrodes. An additional feature of the present invention is the provision of a high limit control positioned proximal the burner such that flame resulting from heater inlet blockage will flash upstream into the vicinity of the high limit control to control operation of the burner.

Abstract: A gaseous fuel burner having an annular base with a tubular inlet and enlarged diameter flange remote from the inlet deferring a cavity communicating with the inlet. A cap is registered against the flange rim to close the cavity and define a plurality of peripheral flame-generating ports. A pocket is formed in the periphery of the flange with an aperture formed in the pocket. A tubular ceramic igniter body with an enlarged flanged end is registered in the aperture. An elongated strip electrode is received through the igniter body in guideways; and, one end of the electrode is bifurcated and extends beyond the flange and is found at generally right angles to extend in spaced parallel arrangement with the face of the ignitor body flange for sparks discharge to the burner cap.

Abstract: A burner for an industrial furnace has a combustion chamber arranged in the furnace space in which a mixture of fuel gas and burner air is combusted, and from which a flame is directed into the furnace space. There is further provided an ignition chamber, separate from the combustion chamber, in which a predetermined mixture of burner gas and burner air can be adjusted.

Abstract: An ignitor assembly for a gas combusting power furnace especially designed for both durability and ease of replacement. The ignitor assembly includes a generally elongated ignitor element and a tubular sleeve for slideably, removably mounting the ignitor element generally perpendicular to the burner plate assembly of the furnace. A retaining clip snapably holds the ignitor element within the sleeve. The transverse mounting of the ignitor relative to the burner plate places the ignitor element tip within the combustion plenum, but keeps the lead-in wires of the ignitor on the noncombustion side of the burner plate. The unique mounting arrangement of the ignitor assembly provides maintenance access to the ignitor element without the need to disassemble the burner assembly.

Abstract: 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, liquid fuel direct from the aircraft fuel system may be used as a fuel charge.

Abstract: A burner having a first passageway for delivering a fuel/air mixture into a burner chamber is provided with an igniter spaced from the burner chamber and second and third passageways in fluid communication with the burner chamber and the igniter.

Abstract: A bracket for a hot surface ignitor is provided with a central opening having downwardly directed supporting arms and upwardly directed L-shaped retention arms such that the ignitor can be lockingly engaged with the bracket without creating crack-inducing stresses in the ceramic base of the ignitor. The bracket is further provided with upwardly directed resilient detents that allow the bracket to be securely snapped into the burner box of a gas furnace. The bracket thus positions the hot surface portion of the ignitor within the burner box while positioning the ceramic base and electric supply wires exterior to the box.

Abstract: A pulse combustor ignitor comprising a small combustion chamber located external to the pulse combustion chamber. A spark ignition source such as a spark plug is associated with the chamber and separate inlets for fuel and air are provided. The fuel/air mixture is ignited by the spark plug and the ignited mixture is directed into the combustion chamber of the pulse combustor until a steady state operation of the pulse combustor is achieved. An air preheater may be used for the air delivered to the ignitor combustion chamber. The flow pattern of the fuel/air mixture and the flame may be controlled by an adjustable passage element located between the respective ignitor and pulse combustor combustion chambers. A flame scanner positioned external to the pulse combustor may be used to sense the entrance of the ignited mixture from the ignitor into the pulse combustor.

Abstract: An igniting device has a valve mechanism (8) which controls fuel supply from a gas reservoir, a gas injection nozzle (26) provided on a tip of a rod-like portion projecting from the valve mechanism(8) and a discharge electrode (32) which is disposed in the vicinity of the gas injection nozzle (26) and produces discharge spark to ignite the fuel gas discharged from the nozzle. A nozzle cover (30) made of non-conductive material is provided around the gas injection nozzle (26). The nozzle cover (30) is provided with a front end face (31a) disposed in front of the nozzle at a distance therefrom. The front end face (31a) is cut away at a portion opposed to the gas injection nozzle (26) and a portion opposed to the discharge electrode (32) to form an opening.

Abstract: 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, liquid fuel direct from the aircraft fuel system may be used as a fuel charge.

Abstract: An improved multi-fuel heater using a porous fuel vaporizer in close proxty to an burner cup the improved heater having means to ameliorate the build up of particulate material between the cup and the vaporizer.

Abstract: A reignition device for a gas burner includes a reignition flame chamber which opens into a burner face of the gas burner. The burner face is also provided with a plurality of circumferentially spaced burner ports. The reignition chamber includes at least one port for receiving an air/gas mixture flowing within the burner head. A reignition flame is initially ignited at the reignition chamber by a burner port flame or an electrode which also can be used to ignite the gas flowing out of the various burner ports in the burner face. The reignition device is designed so that the reignition flame burns in a balanced and stable manner both when the burner is set at a high rate and when the gas burner is turned down to a low setting. Subsequently, should the flames about the burner face be extinguished by an external influence, the reignition flame will remain ignited and will function to reignite the burner flames.

Abstract: A gas burner (11) for a charcoal grill having a bowl (12) includes an elongated burner tube (30) secured to the bowl and passed through an opening (36) in the bowl (12) so as to be positioned in a substantially horizontal manner below and substantially parallel to a bed of charcoal supported on a charcoal support grid (18). The burner has a propane tank (42) connected to the free end thereof outside the bowl (12) and has air intake openings (44) in the tube (30) adjacent the free end. A venturi section (46) is formed into the tube (30) downstream of the air intake openings (44) and elongated diametrically-opposed, horizontal slots (50) defining the gas exit ports are positioned downstream of the venturi section (46). An igniter assembly (52) having its electrode (56,60) extending through an opening into the tube (30) is located between the venturi section (46) and the slots (50) to ignite the flowing gases.

Abstract: An improved multifuel heater having a means to provide a source of particte free combustion air to a fuel ignition chamber.

Abstract: This invention relates to an auxiliary heating system for vehicles which is intended for effective heating of vehicles by installing it together with a pre-existing vehicle heating system. This invention utilizes a modified boiler with an improved burner as a heat source instead of engine waste heat. In addition, the invention features various kinds of safety devices. The invention provides for increased efficiency in the heating of a vehicle and yet represents an inexpensive heating system. The invention also expands the scope of vehicles in which the above heating system can be installed by decreasing the weight and lessening the size of the boiler.

Abstract: The electric ignition includes an insulating base and a primary charge mounted on the insulating base. The primary charge includes an ignition pellet, a primary ignition powder and a elastic sleeve for retaining the ignition pellet and primary ignition powder on the insulating piece. A stepped cylindrical jacket is provided to receive the primary charge. The stepped cylindrical jacket includes at least, first and second cylindrical portions of different diamters connected to one another by a radially extending step or flange. The jacket may also include a fastening means for securing the primary charge within the jacket and securing the electric ignition to a housing or the like. The jacket may further include a torusor cylindrical flange to facilitate mounting in a housing or the like. Finally, a portion of the jacket may be surrounded by a secondary ignition agent which is enclosed by an insulating sleeve fastened on the jacket.

Abstract: A gas pilot-igniter is used for igniting combustible gases in a burner, particularly high velocity gas streams. The gas pilot-igniter includes an air inlet manifold for supplying air under pressure to a mixing venturi, a fuel gas manifold for directing fuel into the venturi for primary mixing with air, and a pre-combustion chamber in a main combustion chamber. The pre-combustion chamber is formed by a baffle placed in the path of the flow stream of the fuel/air mixture for creating turbulence and secondary mixing. In addition, the baffle guides the fuel/air mixture to an igniter, such as a spark plug, for igniting the fuel/air mixture to produce a pre-combustion flame. The fuel/air mixture also flows around sides of the baffle and into the main combustion chamber where it is ignited by the pre-combustion flame, producing a constantly regenerated pilot flame which exits a pilot output nozzle to ignite the main burner fuel/air mixture.

Abstract: An ignition device for a gas burner having a burner casing with at least one flange member outwardly and radially extending from the burner casing, and a plurality of flame holes below the flange member includes an electrode, a spark generator for inducing a spark in the electrode, a housing for the electrode and fastening means for fixing said housing to the gas burner. The fastening means makes it easier to attach and detach the ignition device to the burner. The fastening means is adjustable, allowing the ignition device to be compatible with gas burners of various shapes and sizes.

Abstract: An ignitor apparatus for a gas barbecue grill including a ground-forming housing (20) a chamber (22) that is inside the firebox of a barbecue grill and substantially encloses an electrode (24) opening towards the gas burner so that it captures gas from the burner and forms a combustible mixture. The housing has connector tabs (40, 42) for connection to the housing and has a friction-gripping arm (48) for securing the electrodes (24).

Abstract: Formerly unpleasant blue smoke was generated in a vaporizer burner for auxiliary heaters for motor vehicles once the fuel supply was cut off and the flame died down, as the remaining fuel was merely heated up, but not burnt. According to the invention the glow plug is activated for a determined period of time during the after-running phase of the combustion air blower. By this means practically all remaining fuel is vaporized and burnt and therefore the forming of blue smoke and remaining residues in the area of the plug muff and/or the burner is avoided.

Abstract: 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 exhaust port. A spark passing from the spark generator to the cap ignites the fuel. A method for continuously igniting the fuel involves passing the fuel through an electric arc created between a spark generator and a cathodic surface.

Abstract: An auxiliary igniter shield for a gas grill having an igniter element for lighting the main burner, a grate for supporting heat resistant lava rocks or the like and a cooking grill in an enclosure. The igniter shield is a plate, slightly longer and wider than the igniter element above which it is hung upon suitable support means from the grate. The plate is preferably arcuate in cross section and hung from the grate at such distance to minimize cold spots on the cooking grill.

Abstract: An ignition system and method for a post-mixed burner characterized by an igniter comprising a tube for igniter oxidant flow and having an electrode therein, said tube positioned within the fuel passage but recessed from the discharge end of the fuel passage and from the combustion zone.

Abstract: A burner which is suitable for use in combusting pulverized coal and which can be used as an igniter for igniting the main burners in steam raising plant. The burner has an electrically powered torch which generates a continuous plasma which extends into a devolatilization zone of the burner, and primary conduits are provided for directing a primary supply of dense phase pulverized coal into the devolatilization zone. The burner is constructed also to include a combustion zone which surrounds the devolatilization zone. The burner is constructed also to include a comubstion zone which surrounds the devolatilization zone, and secondary conduits are provided for directing a secondary supply of pulverized coal into the combustion zone along with a supply of combustion supporting air.

Abstract: A gas collector electrode assembly that can be easily assembled and/or disassembled is disclosed. The bottom wall of the gas collector includes two apertures connected by an elongated slot. The first aperture is sized to receive the end of the spark electrode assembly and the second aperture is sized to grippingly engage a circumferential groove on the spark electrode assembly adjacent its end. A tab portion is provided in the bottom wall of the gas collector adjacent the second aperture therein. By inserting the end of the spark electrode assembly into the first aperture and then by depressing the tab portion while laterally moving the spark electrode assembly into the second aperture, the tab portion can then spring back to its original position and grippingly engage the spark electrode assembly firmly attaching same to the gas collector.

Abstract: An electric spark type torch ignitor comprises an ignitor housing tube within which is disposed an electric ignitor. The ignitor housing tube has open forward and rear ends. The forward end is fitted to an annular shelter chamber within which the forward tip end of the electric ignitor is disposed. The electric ignitor is slid into the ignitor housing tube via the open rear end, and is located within the tube by means of several circumferentially spaced dimples that project inwardly from the wall of the tube, the electric ignitor having a shoulder that abuts these dimples. The dimples have inclined surfaces that act upon the shoulder in such a manner that the electric ignitor is centered within the tube so that an annular passageway is created around the electric ignitor within the tube. A resilient retaining spring clip acts to resiliently urge the electric ignitor forwardly within the ignitor housing tube thereby keeping the electric ignitor's shoulder against the dimples.

Abstract: An ignition device for a high speed burner of the cold nozzle type including a conventional type injector, an adaptation chamber into which the injector emerges and ending in an orifice with an outwardly curved grid and an ignition chamber, an ignition cavity is also provided external to the ignition chamber and communicating therewith through an orifice of reduced passage section provided in the wall of the ignition chamber substantially in line with the front region of the grid.

Abstract: A heater plug is cooled with combustion air for diesel oil-burning heating appliances, especially those provided with a vaporizing burner. The plug is screwed into a burner pipe joint, enclosing but spaced inwardly of the plug. The pipe joint also has inlet for supplying the fuel, and it is fastened to the furnace wall of the heating appliances. The burner carries a continuous lengthwise bore, accessible from one end face and opening into the heater plug coil, the inner end of the bore being connected to the combustion air channel across a proportioning throttle.

Abstract: A vaporization burner for a heating device operated with liquid fuel, particularly a motor vehicle heating device, has a combustion pipe defining a combustion chamber, and an absorbent body arranged on a carrier, fuel being supplied to the absorbent body via said carrier. At least part of the carrier is not covered by the absorbent body, the uncovered area is provided with a through-opening. An ignition device is arranged behind the carrier and, preferably, extends into an ignition chamber, formed behind the carrier, by an ignition housing having a wall with an opening for supplying combustion air into the ignition chamber. Fuel, which has been vaporized by the absorbent body, reaches the ignition chamber via an opening in a portion of the carrier covered by the absorbent body and forms a combustible mixture. The mixture in the chamber is ignited by means of the ignition device, resulting in a pilot frame which extends through the through-opening in the uncovered area of the carrier.

Abstract: A spark ignition safety system for a gas barbeque. The system comprises an external electrode secured to the bottom of the grill and positioned in proximity to a portion of the lid so that when the spark generator is actuated, a spark will be generated only externally when the lid is closed and only internally, through the normal internal spark generating electrode near the gas burner element, when the lid is open. The spark ingition safety system in accordance with the present invention minimizes the chance of the gas barbeque blowing up or catching on fire when an operator attempts to light the barbeque by manipulation of the spark generator without lifting the lid.

Abstract: A process for burning a carbonaceous fuel is disclosed. This process involves the steps of providing a combustion chamber equipped with a spark gap, introducing the fuel into the chamber, providing a high-energy a.c. wave, and connecting the wave to one of the electrodes of the spark gap.The alternating current wave used in the combustion process of this invention has a peak voltage of from 25,000 to 200,000 volts, a frequency of from 8,000 to 80,000 herz, and an energy of at least 600,000,000 volt-herz. The use of this wave creates an arc across the electrodes of the spark gap, thereby facilitating the combustion of the fuel.

Abstract: A combustion chamber for heating systems operated with liquid fuel can be used as vehicle heaters but also as heating systems for e.g. cooking purposes and whose control range is expanded as compared with known devices. The combustion chamber includes two sections separated from the combustion space by a plate with a passage opening. Depending on the purpose of use, a different flame guiding insert is arranged between the combustion space and the combustion chamber.

Abstract: An improved liquid fuel combustion apparatus of the type including a cylindrical combustion chamber, an ignition plug, an ignition plug mounting sleeve and a heat exchanger is disclosed. The cylindrical combustion chamber and the heat exchanger constituting essential components of the apparatus are separable. The ignition plug mounting sleeve is firmly mounted within coaxially aligned nipples on the heat exchanger and on the combustion chamber so that its inner wall lined with a layer of wick is exposed to the interior of the cylindrical combustion chamber. Typically, the ignition plug mounting sleeve is secured to the mounting seat by securing a flange on the outer surface of the mounting sleeve to mounting seat associated with the nipple of the heat exchanger by means of bolts with a packing interposed therebetween.

Abstract: A combustion chamber for heating systems operated with liquid fuel can be used as vehicle heaters but also as heating systems for e.g. cooking purposes and whose control range is expanded as compared with known devices. The combustion chamber includes two sections separated from the combustion space by a plate with a passage opening. Depending on the purpose of use, a different flame guiding insert is arranged between the combustion space and the combustion chamber.

Abstract: A method and apparatus for protecting ignitor probes used to ignite coal-fired furnaces, such as those used in coal-fired electric generation plants. The invention involves introducing a compressed gas such as compressed air or other inert gas into the ignitor support tube. The gas passes down the support tube and then exits just above the ignitor probe. The gas then passes over the ignitor probe and out into the furnace. The gas protects the probe by insulating it from the environment of the furnace, thus keeping it cool and free from combustion waste products.

Abstract: A gas burner capable of heating a gas to a high temperature and pressure is isclosed. The burner utilizes a mixing canal to mix the fuel and oxidiser gases and a conically enlarging recess at the exit of the mixing canal. In the recess are both several intake openings for the gas to be heated which openings extend from feeder canals that are parallel to the mixing canal and a side canal leading to an ignition mechanism. The intake openings provide a gas-dynamic blockage of the fuel and oxidiser gas mixture.

Abstract: A burner for air heaters comprises a first wall structure defining an ignition chamber with an ultrasonic atomizer discharging into the ignition chamber and with means for delivering primary air into the ignition chamber for ignition by suitable ignition device to form an igniting gas mixture. The construction includes a second wall arrangement which is adjacent the ignition chamber and which defines a primary combustion chamber which has a passage for the ignited gas mixture from the ignition chamber and also for secondary air so as to complete the combustion in the main combustion chamber. The main combustion chamber in turn is connected downstream and into an exhaust diffuser in which the completely burnt gases are delivered to a place of use for heating an area such as a space in a motor vehicle.

Abstract: An ignition burner for igniting fuel oxygen-containing gas mixture. The burner utilizes a central electrode and means for supplying the electrode with both a low velocity flow and a high velocity flow of combustible gases to the electrode to form a first flame. The first flame is surrounded by a plurality of nozzles that supply additional fuel and oxygen-containing gas to form a large ignition flame.

Abstract: A combustible mixture composed of a flowing fuel and gaseous oxygen is ignited by exposing one or both of the constituents of the mixture to a region of corona discharge in order to generate molecular radicals which subsequently combine with radicals of the other constituent to initiate combustion. The apparatus includes at least two electrodes (14 & 16) having a voltage potential impressed thereacross to generate a region of intense electric field and means to maintain the resulting voltage-current characteristic relationship within a corona discharge region of operation (42).

Abstract: Apparatus and process for regeneration of clogged solid particle filters, particularly for diesel engines. There is periodically injected upstream from the clogged filter an organic liquid such as C.sub.x H.sub.y O.sub.z, of the ethyl or methyl alcohol type, having a low vaporization temperature, if necessary with water added. The organic liquid, after having been preheated and cracked to give rise to a very flammable mixture consisting essentially of hydrogen and carbon monoxide, is introduced in the path of the incident exhaust gases. The regeneration apparatus comprises two prechambers, each of which contains a glow plug. The burning of the flammable mixture regenerates the clogged filter.

Abstract: A device for automatically igniting the oxygen-acetylene mixture flowing from a welders torch when the tip of the torch is brought into pressure contact with an elongate resilient member that forms a part of the invention.

Abstract: Asphalt heating kettle with improved temperature control to prevent overheating, and with improved gas fuel pilot light to prevent pilot blowout. The temperature sensor for the kettle is housed in an apertured tube in direct heat transfer contact with a burner flue within the kettle, so that the temperature both of liquid asphalt and of the flue itself is sensed to prevent an overheat condition. The pilot burner is located behind the main burner, upstream of the high-velocity flame from the main burner, so as to be unaffected by the blast or shock wave of main burner ignition.

Abstract: A spark electrode assembly (10) for a gas range igniter system is disclosed which is low in cost, easy to assemble, and reliable in operation. The assembly comprises a resilient, electrically conductive support member 18 having a U-shaped configuration and adapted for connection to the top frame of the gas range. An integrally molded insulator member (46) is connected to the support by means of a peripheral flange portion (50) which extends through rectangular openings (38) formed in parallel leg portions (43, 44) of the support. The inward spring bias exerted by the legs of the support maintain the insulator assembled thereto. A barbed, wire connecting insert (60) is crimped to an electrical lead (58) and inserted into a bore (54) in the insulator. Barbs (64, 66) on the insert abut against the top surface of a wall (56) which extend inward radially from the internal wall of bore (54) and prevent removal of the electrical lead from the insulator.

Abstract: The invention relates to an ignitor box, or chamber, for use with a gas fired grill wherein a piezoelectric device strikes a spark that ignites the gas from an adjacent burner. This ignitor chamber is of flared form enclosed on three sides with the fourth side open and facing the burner for admission of gas into the chamber directly from the burner. The top and bottom walls of the chamber are also enclosed, but the top wall is provided with a raised cupola open at opposite ends for the circulation of air:(1) to effect the admission of oxygen for mixture with the incoming gas from the burner to provide a more combustible mixture for ready ignition when the spark is struck;(2) also to allow dissipation of combustion gases trapped in the ignitor chamber immediately after combustion.

Abstract: Burners operating with combustion air as the combustion-sustaining gas and a fuel, generally a vaporizable liquid fuel, have at least one ceramic body formed with passages for these two fluids allowing heat exchange through the walls separating these passages. According to the invention, these walls are porous so that fuel in the fuel passage can traverse the wall into an adjoining air passage by evaporization on the surface. The combustion air can be heated by recuperative heat exchange from exhaust gases of the combustion chamber. Burner heads of this type can be paired in mirror-symmetrical relationship.

Abstract: An igniting system for the burner of a portable gas appliance, e.g. a gas-fired soldering iron comprises a duct running from a mixing nozzle at which air is mixed with the gas, to the mouth from which a torch flame emerges. A chamber communicates with this tube for igniting the mixture ahead of the mouth. A piezoelectric spark generator is provided with an electrode in this chamber to generate the spark which ingites the gas mixture in the chamber and hence the tube.

Abstract: In the operation of an air atomized jet engine augmentor oil burner, the herein disclosed improvement typically comprises a means for modulating the fuel-air ratio of the wake combustion in the jet engine augmentor according to ambient pressures and densities of the supplied air to that ratio which will sustain the highest wake combustion thermal efficiency, and in the process to vaporize and ignite the fuel-air mixture therein instantly and completely into an intense and turbulent flame spread.