US2285704A - Ignition assembly - Google Patents

Ignition assembly Download PDF

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US2285704A
US2285704A US357319A US35731940A US2285704A US 2285704 A US2285704 A US 2285704A US 357319 A US357319 A US 357319A US 35731940 A US35731940 A US 35731940A US 2285704 A US2285704 A US 2285704A
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housing
combustion chamber
furnace
burner
igniter
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US357319A
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George D Frank
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YORK OIL BURNER CO Inc
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YORK OIL BURNER CO Inc
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    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23DBURNERS
    • F23D11/00Burners using a direct spraying action of liquid droplets or vaporised liquid into the combustion space
    • F23D11/04Burners using a direct spraying action of liquid droplets or vaporised liquid into the combustion space the spraying action being obtained by centrifugal action

Definitions

  • This invention yrelates to ignition apparatus for liquid gaseous, or powdered fuel pressure burners, and more particularly to a gas-electric torch-type igniter especially suitable for horizontal rotary oil burners.
  • a gas-electric torch-type igniter especially suitable for horizontal rotary oil burners.
  • Another object of this invention is to provide an economical igniter of the gas-electric type for intermittent operation on manufactured, natural, bottled or any other gas supply, and which requires no continuously burning -pilot light.
  • Figure l is a plan view, partly in section, showing one method of installing my improved ignition apparatus in the front wall of a furnace adjacent a horizontal type rotary yoil burner.
  • FIG. 1 is'a vertical section view of the igniter construction.
  • Figure 3 is a perspective view of the igniter ,elements removed from the igniter'housing for inspection and/or adjustment.
  • zontal rotary oil burner is indicated generally by the numeral I0.
  • the burner is usually pivotally mounted on the front wall II of a. furnace in a conventional manner by hinge I2 and clamp I3.
  • 'I'he burner I0 is provided with a rotary oil cup I4 and a centrifugal fan I5 for projecting a. combustible mixture of atomized oil and air into the entrance I 6 of a furnace combustion chamber.
  • the ignition apparatus is mounted partly within a passage Ilthrough or in the furnace wall II,
  • the ignition apparatus comprises a housing I9 having a closure or end plate 20 outside of the furnace wall and adjacent the oil burner I0 and may include a tubularportion 2
  • the housing I9 is conveniently supported by a bracket. 22 secured to an angle plate 23 on the front wall of .the furnace.
  • 'I'he ignition housing I9 shown in section in Figure 2, is provided with a tubular or nozzlelike portion 2
  • An appropriate relationship of ignition and' burner is illustrated in Figure l.
  • the tubular portion may extend into or to the combustion chamber, or it may terminate short of the combustion chamber entrance at any point in passage I1.
  • , as well as the passage I'I may -be of any desired cross-section, a circular cross-section being preferred.
  • a somewhat enlarged chamber 24 is provided -at the opposite or outer end of housing I9, and is closed by a removable end plate 20 secured to the housing I9 by screws 25 or the like.
  • One wall of the chamber 2l is provided with an air inlet 26 which may be' connected to any suitable source of air under pressure, but preferably is connected to the main burner fan casing 21 lby' a suitable conduit 28 (shown diagrammatically in dotted lines in Figure 1) for supplying air under pressure to the interior of the igniter assembly.
  • vA gaseous fuel inlet in the -form of a nozzle 29 is carried byv the end plate 20 and is connected through inlet 30 by conventional conduits and ⁇ valves to any available supply of manufactured, natural or bottled gas.
  • the end plate 20 also carries the high tension insulating bushing 3
  • the electrode 33 is intended to be connectedy through terminal 34 to a transformer or other lsuitable source of high In instauauonsjuunzing lnatural'gas gffhign B. t. u. content as igniter fuel, itis desirable to provide nozzle 29 with an Ard 36 and air holes 39, as shown in section in Figure 2. In such construction, air is mixed with the gaseousv fuel within the nozzle 29, and thus a readily ignitable mixture is delivered at the beveled tip of the nozzle.
  • the end and plate 29 is easily removable from the ignition housing for inspection, adjustment, or cleaning of the gas inlet nozzle 29 andthe spark electrode 93.
  • the burner motor When it is desired to operate the main burner Ill, the burner motor is started either manually or thermostatically by conventional controls. Operation of ⁇ the main burner fan i5 supplies air to the combustion chamber and also conveniently supplies air to the ignition housing through any suitable conduit 29.
  • the igniter is also manually or automatically started by admitting gas tothe nozzle 29 and electric current to produce a spark between the electrode 93 and the tip of the nozzle. The gas is ignited at the tip of the nozzle 29, and the flame is carried or blown to the combustion chamber end of passage I1 by means of the air current owing through the igniter housing.
  • the igniter produces a hot blow-torch name at the combustion chamber end of passage I1.
  • the main oil supply is then turned on and the combustible mixture of oil and air, or the like, projected by the burner into the combustion chamber is at once ignited by the hot intense name supplied by the igniter.
  • the supply of gas and electricity to the igniter may then be discontinued and the igniter thereby extinguished.
  • a current of air under pressure is continuously supplied to and passes through the igniter housing during operation of the main burner.
  • a further advantage of the above-described igniter construction is the fact that the spark gap being in a closed chamber is adequately protected from mechanical injury as well as from heat and corrosion. i
  • ignition apparatus for blowing an igniting flame against a combustible mixture within a furnace combustion chamber
  • the combination comprising a furnace having a combustion chamber and a burner for supplying a combustible mixture thereto,.
  • a housing closed to the atmosphere outside of the furnace and supported adjacent the said burner, said housing communicating through an elongated passage with the combustion chamber;
  • a gaseous fuel nozzle within the housing and having its discharge end remote from the combustion chamber end of the said passage, a spark electrode within said housing and having its sparking end located adjacent the discharge end of said gaseous fuel nozzle, and means for supplying air under 4pressure above atmospheric pressure to the said housing whereby at starting the ignited gaseous ame is blown through the elongated passage and is projected as a blow-torch name against the combustible mixture within the combustion chamber.
  • ignition apparatus for blowing an igniting flame against a combustible mixture within a furnace combustion chamber
  • the combination comprising a furnace having a combustion chamber and a burner for supplying a combustible mixture thereto, a housing closed to the atmosphere outside of the furnace and supported adjacent the said burner, said housing communicating through a passage with the combustion chamber and having an inlet for the admission of gaseous fuel at a point remote from the combustion chamber end of said passage and alined with said passage, a spark electrode within said housing adjacent the gaseous fuel inlet for the ignition of gaseous fuel at said inlet, and means for supplying air under pressure above atmospherlc into said housing whereby the ignited gaseous fuel flame and fresh gaseous fuel are blown through said passage and projected at the end thereof as a blow-torch flame against said combustible mixture.
  • ignition apparatus for blowing an igniting flame against a combustible mixture within a furnace combustion chamber
  • the combination comprising a furnace having a combustion chamber and a burner for supplying a combustithe' scope of the ble mixture thereto, a housing closed to the atvim mosphere outside of the furnace and supported adjacent a burner, said housing having an enlarged portion remote from said combustion chamber and in communication therewith gthrough an elongated passage, a gaseous fuel nozzle'wi-thin the enlarged portion of said housing, a spark electrode also within the enlarged portion of said housing and having its sparking end adjacent the discharge end of said gaseous fuel nozzle for the ignition of said gaseous fuel in this art, and this invention contemplates any at the tip of said nozzle, and means for supplying air under pressure above atmospheric pressure into the enlarged portion of said housing whereby the ignited gaseous fuel and fresh gaseous fuel are blown through said elongated passage and projected at the end thereof as a blowtorch llam
  • ignition apparatus for blowing an igniting flame against a combustible mixture within a furnace ⁇ combustion chamber, the combination comprising a furnace having a combustion chamber, a burner for supplying a combustible mixture thereto, and an elongated passage exoutside the furnace, a.
  • gaseous fuel nozzle carried by said means and having its discharge end in communication with said passage
  • a spark electrode carried by said means and having its sparking end locatedadjacent the discharge end of said gaseous fuel nozzle for the ignition of said gaseous fuel at the tip of said nozzle
  • means for supplying air under pressure above atmospheric into said passage whereby at starting the ignited gaseous flame is blown through said passage and projected' as a blow-torch flame against said combustible mixture.
  • ignition apparatus for blowing an igniting ame against a combustible mixture within a furnace combustioncharnber
  • the combination comprising a furnace having a combustion chamber and a burner for supplying a combustible mixture thereto, a housing supported adjacent the said burner and communicating through a passage with the combustion chamber, means removably secured to the end of said housing remote from said combustion chamber and closing said housing to the atmosphere outside of the furnace, a gaseous fuel nozzle within said housing and carried by said closure means, a spark electrode within said housing adjacent the discharge end of said nozzle and carried by said closure means for the ignition of said gaseous fuel at th'e tip of said nozzle, and means for supplying air under pressure above atmospheric into said housing whereby the ignited gaseous fuel and fresh gaseous fuel are blown through said passage and projected as a blow-torch flame against said combustible mixture.
  • Ignition apparatus for blowing an igniting flame against a combustible mixture within a furnace combustion chamber, comprising in combination a furnacey having a combustion chamber and a burner for supplying a combustible mixture thereto, a housing supported adjacent the said burner, said housing consisting 3 of an enlarged portion remote from said com# bustion chamber, an elongated tubular portion providing communication between said enlarged portion and said combustion chamber, and a closure member removably secured to said enlarged portion for closing said housing to the atmosphere outside of the furnace, a gaseous fuel nozzle Within the enlarged portion of said housing, said nozzle being carried by said closure member with its discharge end alined with said' tubular portion, a spark electrode within the enlarged portion of said housing, said electrode being carried by said closure member and having its sparking end adjacent said nozzle for the ignition of said gaseous fuel at the discharge end of the nozzle, and means for supplying air at pressure above atmospheric into the enlarged portion of said housing, whereby the ignited gaseous
  • Apparatus for burning fuel in a furnace combustion chamber comprising in combination a furnace having a combustion chamber, fuel supply means, a fan associated with said means supplying air under pressure for projecting a combustible mixture of fuel and air into said combustion chamber, a housing closed to the atmosphere outside of said furnace and supported adjacent said fuel supply means and said air fan, said housing communicating through a passage with the combustion chamber and having an inlet for the admission of gaseous fuel into the housing at a point remote from the combustion chamber end of said passage, a ⁇ spark electrode within said housing adjacent the gaseous fuel inlet for the ignition of gaseous fuel at said inlet, and -means for supplying air under pressure above atmospheric from said fan into said housing, whereby an ignited gaseous fuel flame within the housing is blown through said passage and projected as a blow-torch flame against said combustible mixture for igniting the same, within the combustion chamber.

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  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)

Description

June 9, 1942. G. D. FRANK IGNITION ASSEMBLY Filed Sept. 18, 1940 7x77ClCD'. j. f
k Mi...
gym/wm George 1D. Franja,
Patented June 9, 1942 IGNITION ASSEMBLY George n. Frank. York, Pa., signor to York ou Burner Co., Inc., York, Pa., a corporation of Delaware Application September 18, 1940, Serial No. 357,319
7 Claims.
This invention yrelates to ignition apparatus for liquid gaseous, or powdered fuel pressure burners, and more particularly to a gas-electric torch-type igniter especially suitable for horizontal rotary oil burners. Although the embodiment of the invention described herein is illustrated in connection with a particular form of oil burner, it is to be understood that the ignition apparatus is readily adaptable to cooperate with any form of pressure burner in any type of furnace construction.
It is an object of this invention to provide an igniter which is designed to direct a hot ignition flame against an atomized oil and air or other combustible mixture as the mixture is projected from burner apparatus into the combustion chamber of a furnace.
It is the further object of this invention to provide a torch-type igniter which isl completely closed to the outside atmosphere, thereby preventing all possibility of a flare or puff-back through the igniter from the combustion chamber to the outside of the furnace.
Another object of this invention is to provide an economical igniter of the gas-electric type for intermittent operation on manufactured, natural, bottled or any other gas supply, and which requires no continuously burning -pilot light.
It is'a further object of this invention to provide a torch-type igniter apparatus which will be continually purged by a. current of fresh air during the operation of the main burner to prevent fouling and/or overheating of the igniter parts by the combustion gases prevailing in the furnace chamber.
It is a further object of the invention to provide an igniter construction which may be easily disassembled for inspection and adjustment, and which has a minimum number of parts and is economical to manufacture and install.
Other objects and advantages of this invenl tion will be apparent from the following description of the embodimentl of the invention illustrated in the accompanying drawing in which:
Figure l is a plan view, partly in section, showing one method of installing my improved ignition apparatus in the front wall of a furnace adjacent a horizontal type rotary yoil burner.
Figure 2 is'a vertical section view of the igniter construction. L
Figure 3 is a perspective view of the igniter ,elements removed from the igniter'housing for inspection and/or adjustment.
,Referring to Figure 1 of the drawings, a hori- (ol. a-2s) n potential electricity.
zontal rotary oil burner is indicated generally by the numeral I0. The burner is usually pivotally mounted on the front wall II of a. furnace in a conventional manner by hinge I2 and clamp I3. 'I'he burner I0 is provided with a rotary oil cup I4 and a centrifugal fan I5 for projecting a. combustible mixture of atomized oil and air into the entrance I 6 of a furnace combustion chamber. The ignition apparatus is mounted partly within a passage Ilthrough or in the furnace wall II,
and a lining I3 may be provided for the walls of passage I1. The ignition apparatus comprises a housing I9 having a closure or end plate 20 outside of the furnace wall and adjacent the oil burner I0 and may include a tubularportion 2| extending into the passage Il. AThe housing I9 is conveniently supported by a bracket. 22 secured to an angle plate 23 on the front wall of .the furnace.
'I'he ignition housing I9, shown in section in Figure 2, is provided with a tubular or nozzlelike portion 2| to be directed toward the entrance to the combustion chamber of the furnace. An appropriate relationship of ignition and' burner is illustrated in Figure l. The tubular portion may extend into or to the combustion chamber, or it may terminate short of the combustion chamber entrance at any point in passage I1. Obviously, the nozzle portion 2|, as well as the passage I'I, may -be of any desired cross-section, a circular cross-section being preferred. A somewhat enlarged chamber 24 is provided -at the opposite or outer end of housing I9, and is closed by a removable end plate 20 secured to the housing I9 by screws 25 or the like. One wall of the chamber 2l is provided with an air inlet 26 which may be' connected to any suitable source of air under pressure, but preferably is connected to the main burner fan casing 21 lby' a suitable conduit 28 (shown diagrammatically in dotted lines in Figure 1) for supplying air under pressure to the interior of the igniter assembly. vA gaseous fuel inlet in the -form of a nozzle 29 is carried byv the end plate 20 and is connected through inlet 30 by conventional conduits and `valves to any available supply of manufactured, natural or bottled gas. The end plate 20 also carries the high tension insulating bushing 3| held by nut 32 and supporting a spark gap electrode 33 Iadjacent the `tlp of the gas nozzle 29.- The electrode 33 is intended to be connectedy through terminal 34 to a transformer or other lsuitable source of high In instauauonsjuunzing lnatural'gas gffhign B. t. u. content as igniter fuel, itis desirable to provide nozzle 29 with an orice 36 and air holes 39, as shown in section in Figure 2. In such construction, air is mixed with the gaseousv fuel within the nozzle 29, and thus a readily ignitable mixture is delivered at the beveled tip of the nozzle.
As illustrated in Figure 3. the end and plate 29 is easily removable from the ignition housing for inspection, adjustment, or cleaning of the gas inlet nozzle 29 andthe spark electrode 93.
The operation of the above-described ignition apparatus is as follows: When it is desired to operate the main burner Ill, the burner motor is started either manually or thermostatically by conventional controls. Operation of` the main burner fan i5 supplies air to the combustion chamber and also conveniently supplies air to the ignition housing through any suitable conduit 29. The igniter is also manually or automatically started by admitting gas tothe nozzle 29 and electric current to produce a spark between the electrode 93 and the tip of the nozzle. The gas is ignited at the tip of the nozzle 29, and the flame is carried or blown to the combustion chamber end of passage I1 by means of the air current owing through the igniter housing. The igniter produces a hot blow-torch name at the combustion chamber end of passage I1. The main oil supply is then turned on and the combustible mixture of oil and air, or the like, projected by the burner into the combustion chamber is at once ignited by the hot intense name supplied by the igniter. The supply of gas and electricity to the igniter may then be discontinued and the igniter thereby extinguished. However, a current of air under pressure is continuously supplied to and passes through the igniter housing during operation of the main burner.
Since the housing I9 including enlarged chamber 24 is closed by end plate 20, there is no possibility of puff-back or flare-back from the combustion chamber through the igniter housing to the outside ofthe furnace. The continual current of fresh air passing through the igniter chamber and housing during operation of the main burner purges and cools the igniter and maintains at all times in readiness for relighting.
' The air current also serves to prevent combustion gases from entering the igniter housing from the furnace combustion chamber, and thereby eliminates overheating, burning, or fouling of the igniter parts. Since gas is supplied to igniter nozzle 29 only during the main burner starting operation, there is no continuously burning pilotU flame, and hence gas consumption is minimized. In the event of failure of the main burner fan to operate when the burner is started, the igniter gas supply will be lighted, but it will burn with= only a small flame at the tip of gas nozzle 29,` and hence not effective to cause ignition in the furnace combustion chamber until the main burner fan operates satisfactorily. A further advantage of the above-described igniter construction is the fact that the spark gap being in a closed chamber is adequately protected from mechanical injury as well as from heat and corrosion. i
Other advantages of my improved apparatus will be readily apparent from the above description of an embodiment thereof. Obviously, variations in the nature and arrangement of the elements described will be evident to those skilled assur/o4 equivalent structure within following claims.
Having described my invention, what I claim and desire to secure by Letters Patent is:
1. In ignition apparatus for blowing an igniting flame against a combustible mixture within a furnace combustion chamber, the combination comprising a furnace having a combustion chamber and a burner for supplying a combustible mixture thereto,.a housing closed to the atmosphere outside of the furnace and supported adjacent the said burner, said housing communicating through an elongated passage with the combustion chamber; a gaseous fuel nozzle within the housing and having its discharge end remote from the combustion chamber end of the said passage, a spark electrode within said housing and having its sparking end located adjacent the discharge end of said gaseous fuel nozzle, and means for supplying air under 4pressure above atmospheric pressure to the said housing whereby at starting the ignited gaseous ame is blown through the elongated passage and is projected as a blow-torch name against the combustible mixture within the combustion chamber.
2. In ignition apparatus for blowing an igniting flame against a combustible mixture within a furnace combustion chamber, the combination comprising a furnace having a combustion chamber and a burner for supplying a combustible mixture thereto, a housing closed to the atmosphere outside of the furnace and supported adjacent the said burner, said housing communicating through a passage with the combustion chamber and having an inlet for the admission of gaseous fuel at a point remote from the combustion chamber end of said passage and alined with said passage, a spark electrode within said housing adjacent the gaseous fuel inlet for the ignition of gaseous fuel at said inlet, and means for supplying air under pressure above atmospherlc into said housing whereby the ignited gaseous fuel flame and fresh gaseous fuel are blown through said passage and projected at the end thereof as a blow-torch flame against said combustible mixture.
3. In ignition apparatus for blowing an igniting flame against a combustible mixture within a furnace combustion chamber, the combination comprising a furnace having a combustion chamber and a burner for supplying a combustithe' scope of the ble mixture thereto, a housing closed to the atvim mosphere outside of the furnace and supported adjacent a burner, said housing having an enlarged portion remote from said combustion chamber and in communication therewith gthrough an elongated passage, a gaseous fuel nozzle'wi-thin the enlarged portion of said housing, a spark electrode also within the enlarged portion of said housing and having its sparking end adjacent the discharge end of said gaseous fuel nozzle for the ignition of said gaseous fuel in this art, and this invention contemplates any at the tip of said nozzle, and means for supplying air under pressure above atmospheric pressure into the enlarged portion of said housing whereby the ignited gaseous fuel and fresh gaseous fuel are blown through said elongated passage and projected at the end thereof as a blowtorch llame against said combustible mixture.
4. In ignition apparatus for blowing an igniting flame against a combustible mixture within a furnace `combustion chamber, the combination comprising a furnace having a combustion chamber, a burner for supplying a combustible mixture thereto, and an elongated passage exoutside the furnace, a. gaseous fuel nozzle carried by said means and having its discharge end in communication with said passage, a spark electrode carried by said means and having its sparking end locatedadjacent the discharge end of said gaseous fuel nozzle for the ignition of said gaseous fuel at the tip of said nozzle, and means for supplying air under pressure above atmospheric into said passage whereby at starting the ignited gaseous flame is blown through said passage and projected' as a blow-torch flame against said combustible mixture.
5. In ignition apparatus for blowing an igniting ame against a combustible mixture within a furnace combustioncharnber, the combination comprising a furnace having a combustion chamber and a burner for supplying a combustible mixture thereto, a housing supported adjacent the said burner and communicating through a passage with the combustion chamber, means removably secured to the end of said housing remote from said combustion chamber and closing said housing to the atmosphere outside of the furnace, a gaseous fuel nozzle within said housing and carried by said closure means, a spark electrode within said housing adjacent the discharge end of said nozzle and carried by said closure means for the ignition of said gaseous fuel at th'e tip of said nozzle, and means for supplying air under pressure above atmospheric into said housing whereby the ignited gaseous fuel and fresh gaseous fuel are blown through said passage and projected as a blow-torch flame against said combustible mixture.
6. Ignition apparatus for blowing an igniting flame against a combustible mixture within a furnace combustion chamber, comprising in combination a furnacey having a combustion chamber and a burner for supplying a combustible mixture thereto, a housing supported adjacent the said burner, said housing consisting 3 of an enlarged portion remote from said com# bustion chamber, an elongated tubular portion providing communication between said enlarged portion and said combustion chamber, and a closure member removably secured to said enlarged portion for closing said housing to the atmosphere outside of the furnace, a gaseous fuel nozzle Within the enlarged portion of said housing, said nozzle being carried by said closure member with its discharge end alined with said' tubular portion, a spark electrode within the enlarged portion of said housing, said electrode being carried by said closure member and having its sparking end adjacent said nozzle for the ignition of said gaseous fuel at the discharge end of the nozzle, and means for supplying air at pressure above atmospheric into the enlarged portion of said housing, whereby the ignited gaseous fuel is' blown through said 'elongated tubular portion and projected as a blow-torch flame against said combustible mixture.
L 7. Apparatus for burning fuel in a furnace combustion chamber, comprising in combination a furnace having a combustion chamber, fuel supply means, a fan associated with said means supplying air under pressure for projecting a combustible mixture of fuel and air into said combustion chamber, a housing closed to the atmosphere outside of said furnace and supported adjacent said fuel supply means and said air fan, said housing communicating through a passage with the combustion chamber and having an inlet for the admission of gaseous fuel into the housing at a point remote from the combustion chamber end of said passage, a `spark electrode within said housing adjacent the gaseous fuel inlet for the ignition of gaseous fuel at said inlet, and -means for supplying air under pressure above atmospheric from said fan into said housing, whereby an ignited gaseous fuel flame within the housing is blown through said passage and projected as a blow-torch flame against said combustible mixture for igniting the same, within the combustion chamber.
` GEORGE D. FRANK.
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Cited By (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2480147A (en) * 1947-01-29 1949-08-30 Letvin Samuel Firing device for combustion apparatus
US2506376A (en) * 1942-06-13 1950-05-02 Miller Pottery Engineering Co Apparatus for preforming clay charges prior to jiggering
US2608245A (en) * 1950-03-27 1952-08-26 Peabody Engineering Corp Burner ignition and flame detection means
US2896703A (en) * 1954-08-04 1959-07-28 American Gas Ass Gas pilot burner
US2905236A (en) * 1959-09-22 Pilot burner and igniter
US2941588A (en) * 1955-10-03 1960-06-21 Lincoln Brass Works Lighter system for gas burners
US3168133A (en) * 1962-07-03 1965-02-02 Foster Wheeler Corp Gas fired igniter
US3263729A (en) * 1964-06-26 1966-08-02 Vyzk Ustav Prislusenstvi Motor Fuel ignitor arrangement for a heater
US3986817A (en) * 1975-04-09 1976-10-19 General Electric Company Grid burner pilot igniter
US4372754A (en) * 1977-12-16 1983-02-08 Dr. C. Otto & Comp. G.M.B.H. Ignition system for coal gasifier

Cited By (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2905236A (en) * 1959-09-22 Pilot burner and igniter
US2506376A (en) * 1942-06-13 1950-05-02 Miller Pottery Engineering Co Apparatus for preforming clay charges prior to jiggering
US2480147A (en) * 1947-01-29 1949-08-30 Letvin Samuel Firing device for combustion apparatus
US2608245A (en) * 1950-03-27 1952-08-26 Peabody Engineering Corp Burner ignition and flame detection means
US2896703A (en) * 1954-08-04 1959-07-28 American Gas Ass Gas pilot burner
US2941588A (en) * 1955-10-03 1960-06-21 Lincoln Brass Works Lighter system for gas burners
US3168133A (en) * 1962-07-03 1965-02-02 Foster Wheeler Corp Gas fired igniter
US3263729A (en) * 1964-06-26 1966-08-02 Vyzk Ustav Prislusenstvi Motor Fuel ignitor arrangement for a heater
US3986817A (en) * 1975-04-09 1976-10-19 General Electric Company Grid burner pilot igniter
US4372754A (en) * 1977-12-16 1983-02-08 Dr. C. Otto & Comp. G.M.B.H. Ignition system for coal gasifier

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