US2117108A - Burner - Google Patents

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Publication number
US2117108A
US2117108A US18328A US1832835A US2117108A US 2117108 A US2117108 A US 2117108A US 18328 A US18328 A US 18328A US 1832835 A US1832835 A US 1832835A US 2117108 A US2117108 A US 2117108A
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US
United States
Prior art keywords
conduit
fuel
burner
air
vaporizing
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Lifetime
Application number
US18328A
Inventor
Spencer Millard Cole
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
CROCKER WHEELER ELECTRIC Manufacturing C
CROCKER-WHEELER ELECTRIC MANUFACTURING Co
Original Assignee
CROCKER WHEELER ELECTRIC Manufacturing C
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Publication date
Application filed by CROCKER WHEELER ELECTRIC Manufacturing C filed Critical CROCKER WHEELER ELECTRIC Manufacturing C
Priority to US18328A priority Critical patent/US2117108A/en
Application granted granted Critical
Publication of US2117108A publication Critical patent/US2117108A/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23CMETHODS OR APPARATUS FOR COMBUSTION USING FLUID FUEL OR SOLID FUEL SUSPENDED IN  A CARRIER GAS OR AIR 
    • F23C99/00Subject-matter not provided for in other groups of this subclass
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23CMETHODS OR APPARATUS FOR COMBUSTION USING FLUID FUEL OR SOLID FUEL SUSPENDED IN  A CARRIER GAS OR AIR 
    • F23C2700/00Special arrangements for combustion apparatus using fluent fuel
    • F23C2700/02Combustion apparatus using liquid fuel
    • F23C2700/026Combustion apparatus using liquid fuel with pre-vaporising means

Definitions

  • Figure 1 is a vertical sectionthrough a vaporizer on the lines I--Iof Figs. 2, 3, eiland 5, with a burner and igniter which embodies this invention.
  • l l u Fig. 2 is a cross section on the line 1I-II of Fig. 1, showing the valve through which fuel is admitted to the burner; s
  • Fig. 3 is a cross section on the line III- III of Fig. 1, showing the electrical heater coil for rad ⁇ iating heat to the vaporilng plate in a burner.
  • Fig. 4 is a cross section ⁇ on the line IV-IV of Fig. 1, showing the vaporizingplate. s
  • Fig. 5 is a cross section on the line V--V of Fig. 1, through one of the retorts inthe combustion chamber. t
  • An enclosed combustion chamber I0 has a main vaporizer burner II initslower end and-in communication with ⁇ its upper end ⁇ a burner and igniter I2 which is electrically heated.
  • burner is provided with an air supply from a conduit I3, and a first ⁇ portion of fuel from a fuel conduit I4, which is a source of fuel supply, througha needle valve i5 ⁇ in the removable head of the burner;
  • The, fuel supply ⁇ passes from the valve through a continuation of the fuel conduit I6 which is coaxial with the surrounding air conduit in 'the burner and is discharged from a nozzle II at the lower end.
  • a rod I8 with a ,helical groove similar ⁇ to the groove oi a twist drill.
  • a ⁇ cylinder of reclay I9 surrounds" the lower end of the fuel conduit andan electrical heater coil 20 surrounds the cylinder as ahelix and is continued as a spiral adjoining the lower end of the cylinder and the inner ⁇ end of the spiral is welded to the nozzle and is grounded by the conduit.
  • Firstthe ⁇ current is turnedon for about a minute so that the coil and theplate by ⁇ s radiation from theeoil willboth be brought at 10 least to a dull redheatand then ⁇ the fuel is dis- ⁇ charged andwill be ⁇ repelled from the hot sur- ⁇ faces and vaporized without deposit of hard car-fv bon. ⁇
  • Theincoming air passes the helical part of the heater coil, mixes with the vapor coming 15 "burned The flame passes down a.
  • central tube 26 through a first retort 21 and a second retort 28 and the flame and gases flow up through ues z5 between ribs 29 between the outside walls of these retorts and the wall of the combustion chamber and are discharged through an exhaust flue 30 at the top of the combustion chamber. Since there is ⁇ no accumulation of residue in these 30 retorts it is4 not necessary to provide access thereto and the covers may be Welded in place as shown.
  • the air supply conduits' receiveair from a blower not shown.
  • ame tube formed by an extension of the air conduit beyond the vaporizing plate, and an electrical heater coil having a set of its convolutions in the air conduit and a set of-its convolutions positioned to heat the vaporizing plate by radiation and forming a. vaporizing space between it and the plate and having an ignition convolution between the two sets of convolutions at the discharge opening of the vaporizing space, the discharge opening of thev air conduit and the entrance to vthe flame tube being alsoat the discharge opening of the vaporizing space, ⁇ Whereby the air is caused to meet and mix with the vapor at the ignition coil and the ignited mixture conducted to the ame tube.
  • a burner having a vaporizing plate, a fuel conduit with a nozzle positioned for discharging fuel onto the vaporizing plate, an air conduit surrounding and coaxial with the fuel conduit, a flame tube formed by an extension of the air conduit beyond the vaporizing plate, and an electrical heater 'coil having a helical Vset of its convolutions in the air conduit Isurrounding the fuel conduit and positioned rfor heating the fuel conduit and the air in theair conduit and a spiral set of its convolutions positioned to heat the vaporizing plate by radiation and forming a vaporlzin'g space between it and the plate and having an ignition convolution at the corner between the two sets of convolutions at the discharge opening of the vaporizing space, the discharge opening of the-air conduit and the entrance to the flame tube being also at the discharge opening of the vaporizing space, whereby the air is caused vto meet and mix'with the vapor at the ignition coil and 'the'lgnited mixture conducted to the flame tube.
  • a burner having a vaporizing plate, a. fuel conduit with a nozzle positioned for discharging 'fuel onto the vaporizing plate, a rod provided with a helical groove in the fuel conduit, an air conduit surroundingA and coaxial with the fuel conduit, a flame tube formed by an extension of the air conduit beyond the vaporizing plate, and an electrical heater coil having a helical set of its convolutions in the air conduit surrounding the fuel conduit and positioned for heating the fuel conduit and the airin the air conduit and a spiral set of itsconvolutions positioned to heat the vaporizing plate byfradiation andforming a.

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  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Spray-Type Burners (AREA)

Description

May 10, 1933 `M. c. SPENCER 2,117,108
BURNER V Filed April 2e; 1935 Patented May 10,.` s
- UNITE-DIST `The `object of thisinventicn 'is to provide simple, ecient, economical and durable" burner g and ignition means therefor which utilizes liquid fuels, particularly the" heavier hydrocarbon oils, such as s. fueloils andjkerosenefas for example,
for the `quiet `operation of furnace `burnersfand for `internal combustionengines `of such types as s ordinarily run with the lighter hydrocarbon oilsA suchasga-solene.` ,l Further objects are: to provide a burner which can be ignited and `started.` by "electrical means with a minimum useof electric current;
In the accompanying sheet of drawings which forms a part of this description;`
Figure 1 is a vertical sectionthrough a vaporizer on the lines I--Iof Figs. 2, 3, eiland 5, with a burner and igniter which embodies this invention. l l u Fig. 2 is a cross section on the line 1I-II of Fig. 1, showing the valve through which fuel is admitted to the burner; s
Fig. 3 is a cross section on the line III- III of Fig. 1, showing the electrical heater coil for rad`iating heat to the vaporilng plate in a burner. Fig. 4 is a cross section` on the line IV-IV of Fig. 1, showing the vaporizingplate. s
Fig. 5 is a cross section on the line V--V of Fig. 1, through one of the retorts inthe combustion chamber. t
An enclosed combustion chamber I0 has a main vaporizer burner II initslower end and-in communication with `its upper end` a burner and igniter I2 which is electrically heated. The
burner is provided with an air supply from a conduit I3, and a first `portion of fuel from a fuel conduit I4, which is a source of fuel supply, througha needle valve i5` in the removable head of the burner; The, fuel supply `passes from the valve through a continuation of the fuel conduit I6 which is coaxial with the surrounding air conduit in 'the burner and is discharged from a nozzle II at the lower end. In this section of the conduit` is a rod I8 with a ,helical groove similar` to the groove oi a twist drill. This retards the passage of the f uel so that it maybe sufliciently heated before it is discharged at the nozzle.` A `cylinder of reclay I9 surrounds" the lower end of the fuel conduit andan electrical heater coil 20 surrounds the cylinder as ahelix and is continued as a spiral adjoining the lower end of the cylinder and the inner` end of the spiral is welded to the nozzle and is grounded by the conduit. The
other end of the coil is welded to a copper` rod 2 I,y
the upper end of which is riveted to an insulated I5 plate'v22 which carries a binding post 23. This f s PATENTIfoFl-ice `2,117,103` w o I s y o nURNERI o o `ltfillarilgCole, Spencer, East Orange, N. Jl, assigne` I. or: tmCrocker-Wheeler Electric Manufacturg` Company, Ampere, N. J.,\a corporation of Applicantpnprirzc, lssaserial No. 13,?23` s ,l ensmsg (o1. 15e-2s) ,l
together with a binding post`24 mounted onfthe cap of the` burner `serve for current supply to the electricalheater coil. s l I l Closely adjacent` to the spiral portion ofthe heatercoil is a vaporizinglplateu of flreclay 5 forming with the coil a connedspace into which this first portion of the fuel is discharged and vaporized. Firstthe` current is turnedon for about a minute so that the coil and theplate by` s radiation from theeoil willboth be brought at 10 least to a dull redheatand then `the fuel is dis-` charged andwill be` repelled from the hot sur-` faces and vaporized without deposit of hard car-fv bon.` Theincoming air passes the helical part of the heater coil, mixes with the vapor coming 15 "burned The flame passes down a. central tube 26 through a first retort 21 and a second retort 28 and the flame and gases flow up through ues z5 between ribs 29 between the outside walls of these retorts and the wall of the combustion chamber and are discharged through an exhaust flue 30 at the top of the combustion chamber. Since there is` no accumulation of residue in these 30 retorts it is4 not necessary to provide access thereto and the covers may be Welded in place as shown.
When the' walls of these retorts have been brought up to a dull red temperature or higher, a. second' portion of fuel is admitted through a needle `valve 3I to a fuel conduit 32 to the rst retort where it is vaporized and the vapor passes to a vapor supply conduit 33 the course of which is downward so that any oil condensing therein will readily drain out. From thisconduit `the vapor passes to an air supply conduit 34 leading to the combustion chamber. Air for the combustion of the vapor is supplied to the air supply conduit, and the mixed vapor and air is ignited from theame directed downward from the burner and igniter I2. `After the ignition, the electric current and the first portion of fuel in the burner and igniter are cut off, and a third 50 portion of fuel is admitted `through a needle valve 35 to a fuel conduit 36 to the second retort, and from this the vapor is drawn through a conduit 3l for any purpose for which it may be useful.
The air supply conduits' receiveair from a blower not shown.
surrounding and coaxial with the fuel conduit, a
ame tube formed by an extension of the air conduit beyond the vaporizing plate, and an electrical heater coil having a set of its convolutions in the air conduit and a set of-its convolutions positioned to heat the vaporizing plate by radiation and forming a. vaporizing space between it and the plate and having an ignition convolution between the two sets of convolutions at the discharge opening of the vaporizing space, the discharge opening of thev air conduit and the entrance to vthe flame tube being alsoat the discharge opening of the vaporizing space,` Whereby the air is caused to meet and mix with the vapor at the ignition coil and the ignited mixture conducted to the ame tube. A
2. A burner having a vaporizing plate, a fuel conduit with a nozzle positioned for discharging fuel onto the vaporizing plate, an air conduit surrounding and coaxial with the fuel conduit, a flame tube formed by an extension of the air conduit beyond the vaporizing plate, and an electrical heater 'coil having a helical Vset of its convolutions in the air conduit Isurrounding the fuel conduit and positioned rfor heating the fuel conduit and the air in theair conduit and a spiral set of its convolutions positioned to heat the vaporizing plate by radiation and forming a vaporlzin'g space between it and the plate and having an ignition convolution at the corner between the two sets of convolutions at the discharge opening of the vaporizing space, the discharge opening of the-air conduit and the entrance to the flame tube being also at the discharge opening of the vaporizing space, whereby the air is caused vto meet and mix'with the vapor at the ignition coil and 'the'lgnited mixture conducted to the flame tube.
3. A burner having a vaporizing plate, a. fuel conduit with a nozzle positioned for discharging 'fuel onto the vaporizing plate, a rod provided with a helical groove in the fuel conduit, an air conduit surroundingA and coaxial with the fuel conduit, a flame tube formed by an extension of the air conduit beyond the vaporizing plate, and an electrical heater coil having a helical set of its convolutions in the air conduit surrounding the fuel conduit and positioned for heating the fuel conduit and the airin the air conduit and a spiral set of itsconvolutions positioned to heat the vaporizing plate byfradiation andforming a. vaporizing space betweenvit-and the plate and having an ignition convolution at the corner between the two sets of convolutions at the discharge opening of vthe-vaporizing space, the dis-- charge opening of Athe air conduit and the entrance to the flame tube' being also-at the discharge opening of the vaporizing'space, whereby the air is caused to meet and mix with the vapor at the ignition coil and the ignited mixture conducted to the lametube. 1
. MULLARD CQLE SPENCER.
US18328A 1935-04-26 1935-04-26 Burner Expired - Lifetime US2117108A (en)

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Cited By (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2415748A (en) * 1943-03-08 1947-02-11 Galvin Mfg Corp Liquid fuel preparing apparatus
US2492756A (en) * 1946-01-26 1949-12-27 Stewart Warner Corp Fuel vaporizing and combustion apparatus
US2569887A (en) * 1941-11-18 1951-10-02 Daniel And Florence Guggenheim Combustion apparatus, including flame type ignition means
US2605821A (en) * 1941-02-01 1952-08-05 Lindahl Henning Waldemar Automatically controlled burner apparatus for heating automobile engines
US2644512A (en) * 1949-06-13 1953-07-07 Heizmotoren Ges Uberlingen Am Burner device having heat exchange and gas flow control means for maintaining pyrophoric ignition therein
US2648951A (en) * 1949-03-31 1953-08-18 Gen Motors Corp Combustor igniter cup which becomes incandescent from combustion therein
US2996112A (en) * 1957-08-23 1961-08-15 Habco Mfg Company Jet burner
US3751210A (en) * 1971-07-13 1973-08-07 Rockwell International Corp Two-stage vaporizing fuel oil burner
US3764255A (en) * 1971-07-13 1973-10-09 Rockwell International Corp Vaporizing fuel oil burner
FR2508602A1 (en) * 1981-06-29 1982-12-31 Cherny Anatoly Fuel delivery feed for burner - directs jets against rigid surface forming thin film on reflection at dissociation temperature

Cited By (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2605821A (en) * 1941-02-01 1952-08-05 Lindahl Henning Waldemar Automatically controlled burner apparatus for heating automobile engines
US2569887A (en) * 1941-11-18 1951-10-02 Daniel And Florence Guggenheim Combustion apparatus, including flame type ignition means
US2415748A (en) * 1943-03-08 1947-02-11 Galvin Mfg Corp Liquid fuel preparing apparatus
US2492756A (en) * 1946-01-26 1949-12-27 Stewart Warner Corp Fuel vaporizing and combustion apparatus
US2648951A (en) * 1949-03-31 1953-08-18 Gen Motors Corp Combustor igniter cup which becomes incandescent from combustion therein
US2644512A (en) * 1949-06-13 1953-07-07 Heizmotoren Ges Uberlingen Am Burner device having heat exchange and gas flow control means for maintaining pyrophoric ignition therein
US2996112A (en) * 1957-08-23 1961-08-15 Habco Mfg Company Jet burner
US3751210A (en) * 1971-07-13 1973-08-07 Rockwell International Corp Two-stage vaporizing fuel oil burner
US3764255A (en) * 1971-07-13 1973-10-09 Rockwell International Corp Vaporizing fuel oil burner
FR2508602A1 (en) * 1981-06-29 1982-12-31 Cherny Anatoly Fuel delivery feed for burner - directs jets against rigid surface forming thin film on reflection at dissociation temperature

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