US3331424A - Universal gas burner for heating equipment - Google Patents

Universal gas burner for heating equipment Download PDF

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Publication number
US3331424A
US3331424A US484362A US48436265A US3331424A US 3331424 A US3331424 A US 3331424A US 484362 A US484362 A US 484362A US 48436265 A US48436265 A US 48436265A US 3331424 A US3331424 A US 3331424A
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United States
Prior art keywords
nozzle
gas
burner
openings
outlet end
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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
US484362A
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English (en)
Inventor
Heinrich Rudolf
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.)
Haller Meurer Werke AG
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Haller Meurer Werke AG
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Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23N—REGULATING OR CONTROLLING COMBUSTION
    • F23N1/00—Regulating fuel supply
    • F23N1/02—Regulating fuel supply conjointly with air supply
    • F23N1/027—Regulating fuel supply conjointly with air supply using mechanical means
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23D—BURNERS
    • F23D14/00—Burners for combustion of a gas, e.g. of a gas stored under pressure as a liquid
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23D—BURNERS
    • F23D14/00—Burners for combustion of a gas, e.g. of a gas stored under pressure as a liquid
    • F23D14/02—Premix gas burners, i.e. in which gaseous fuel is mixed with combustion air upstream of the combustion zone
    • F23D14/04—Premix gas burners, i.e. in which gaseous fuel is mixed with combustion air upstream of the combustion zone induction type, e.g. Bunsen burner
    • F23D14/10—Premix gas burners, i.e. in which gaseous fuel is mixed with combustion air upstream of the combustion zone induction type, e.g. Bunsen burner with elongated tubular burner head
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23D—BURNERS
    • F23D14/00—Burners for combustion of a gas, e.g. of a gas stored under pressure as a liquid
    • F23D14/46—Details, e.g. noise reduction means
    • F23D14/60—Devices for simultaneous control of gas and combustion air
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23N—REGULATING OR CONTROLLING COMBUSTION
    • F23N2235/00—Valves, nozzles or pumps
    • F23N2235/02—Air or combustion gas valves or dampers
    • F23N2235/06—Air or combustion gas valves or dampers at the air intake
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23N—REGULATING OR CONTROLLING COMBUSTION
    • F23N2235/00—Valves, nozzles or pumps
    • F23N2235/12—Fuel valves
    • F23N2235/16—Fuel valves variable flow or proportional valves
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23N—REGULATING OR CONTROLLING COMBUSTION
    • F23N2237/00—Controlling
    • F23N2237/16—Controlling secondary air

Definitions

  • a universal gas burner for gas heating equipment mainly comprising a gas nozzle having an outlet end, passage means communicating With the nozzle at a location spaced from the outlet end for feeding gas into the nozzle, a mixing tube having an inlet end substantially aligned with the outlet end of the nozzle, combustion air inlet means communicating with the inlet end of the mixing tube, a burner tube communicating with the end of the mixing tube opposite the inlet end thereof and :being formed with a plurality of openings, and control means cooperating with the nozzle, the combustion air inlet means and the openings for controlling the flow of a mixture of gas and air through the openings, one dependent upon the other.
  • the present invention relates to a universal gas burner for gas heating equipment.
  • gas burners usually include a gas nozzle, an inlet for the combustion air, a mixing tube, and a burner tube provided with openings, or slots.
  • the universal gas burner mainly comprises a gas nozzle having an outlet end, passage means communicating with the nozzle at a location spaced from the outlet end thereof for feeding gas into the nozzle, a mixing tube having an inlet end substantially aligned with the outlet end of the nozzle, combustion air inlet means communicating with the inlet end of the mixing tube, a burner tube communicating with the end of the mixing tube which is opposite the inlet end thereof and which is formed with a plurality of openings, and control means cooperating with the nozzle, the combustion air inlet 3,331,424 Patented July 18, 1967 means and openings in the burner inlet for controlling the flow of gas and combustion air into the mixing tube and the outflow of the mixture of gas and air through the openings, one dependent upon the other.
  • the control means preferably include a manually opera ble control member for adjusting the flow of gas through the outlet end of the nozzle depending on the type of gas used for the burner and for simultaneously and correspondingly also controlling the flow of combustion air into the mixing tube.
  • the gas nozzle and the fresh air intake for the burner, as well as the openings in the burner tube are each associated with a shutter or diaphragm.
  • the operation of the hand-control provides for a direct adjustment of the shutter or diaphragm for the gas nozzle and additionally for the corresponding adjustment of combustion air feed.
  • the shutter or control for the gas nozzle is preferably in the form of a rotary member and the latter is formed preferably in one piece with a shutter for the combustion air feed, for which purpose the rotary member is in the form of a cupshaped member.
  • This cup-shaped member is provided with openings of different size and ar ranged so that upon operation of the manual control the openings appropriate to the particular type of gas selected come into working position.
  • the afore-mentioned shutter or control for varying the outflow cross section of the burner tube is also indirectly operated from the aforementioned manual control in that after operation and starting of the gas burner equipment the heat produced according to the adjustment of the aforementioned shutter controlling the flow of gas and combustion air into the mixing tube will influence a thermostat or thermally responsive device which adjusts, through a regulator the shutters arranged in the burner tube and thereby the outflow of a mixture of gas and combustion air from the latter.
  • the aforementioned regulator cooperates with a double-armed lever, one arm of which cooperates with a spring loaded nozzle needle for the nozzle and the other arm of which acts through an adjusting rod on the shutter in the burner tube.
  • FIG. 1 is a partially sectioned side view of a universal gas burner according to the present invention
  • FIG. 2 is a cross section taken along the line 11-11 of FIG. 1;
  • FIG. 3 is a partial, partially sectioned view of a burner tube and showing a modified control arrangement for controlling the outflow through the openings of the burner tube;
  • FIGS. 4 and 5 are partial views showing different control arrangements.
  • the universal gas burner includes a gas nozzle 2 with which passage means in form of a tube 1 communicate at a location spaced from the outlet end of the nozzle for feeding gas into the latter.
  • the nozzle 2 together with pipe 1 are supported in a casing 4 formed with an opening 5 through which combustion air may pass into the casing 4.
  • the casing 4 serves also to support shutter means 6, 7 in form of a cup-shaped 3 member for rotation about its axis.
  • the casing 4 is provided with cylinder portion in which the cup-shaped rotary member 6, 7 is housed with the peripheral wall 7 of the cup-shaped rotary member engaging the peripheral wall of the cylindrical portion of the housing.
  • the end wall 6 of the rotary member facing the corresponding wall of the cylindrical portion of the housing in front of the outlet end of the nozzle 2 is formed with a plurality of apertures 18 therethrough having respectively different size and being arranged spaced from each other along a circle coaxial with the turning axis of the rotary member and having a radius equal to the distance between the axis of the nozzle and the axis of the rotary member.
  • the peripheral wall 7 of the rotary member is likewise formed with a plurality of apertures 19 therethrough which have respectively different size, and which are spaced from each other according to the spacing of the apertures 18.
  • a mixing tube 11 extends with an end portion thereof in the rotary member 6, 7 in such a manner that the inlet end of the mixing tube 11 is aligned with and spaced from the outlet end of the nozzle 2, so that gas emanating from the outlet end of the nozzle will pass into the inlet end of the mixing tube 11 and thereby suck combustion air through openings and 20 and through the aperture 19 aligned with the opening 20 into the mixing tube 11.
  • the mixing tube 11 may be supported in a manner not shown in the drawing and the portion extending into the rotary member supports a plate, as shown in FIG. 2, which closes the open end of the cup-shaped member 6, 7 and which carries also a bearing for the shaft 9.
  • a burner tube 10 in integrally formed or fixedly and gas-tightly connected to the end of the mixing tube 11 which is opposite the inlet end thereof, and the burner tube 10 may, as shown in FIG. 1, extend at right angle to the mixing tube 11.
  • the burner tube 10- is provided in known manner with openings 12 which are preferably of slot-like form and the open cross section of which can be varied according to the ignition speed of the particular type of gas used.
  • a shutter 21 is provided within the burner tube 1%), as shown in FIGS. 1 and 2, and the shutter 21 shown in these two figures is constructed as a rotary member and mounted on a shaft 22 which is arranged coaxial with the axis of the burner tube 10 and mounted therein in the manner as shown for rotation about its axis.
  • Rotation of the shaft 22 is produced by a pinion 28 fixed to the upper end of the shaft 22 and meshing with a rack 29 fixed to one end of a rod 17 mounted for reciprocation in longitudinal direction in two bearings as shown in FIG. 1.
  • the other end of the rod 17 is connected to one end of one arm of a double armed lever 16 which is pivotally mounted intermediate its ends.
  • the end of the other arm of the double armed leved 16 engages a spring loaded needle valve member 3 located in the nozzle 2 movable toward and away from the outlet end thereof so as to control the flow of gas through V the outlet end of the nozzle.
  • the lever 16 may be turned about its pivot axis, as shown in FIG. 1, by means of a temperature regulating device or moving means 13 which in turn is controlled by temperature sensing means in the nature of a thermostat 14.
  • the device 13 is connected to one end of the rod 15, the other end of which is connected to the double armed lever adjacent pivot axis.
  • thermo sensing means and of the device 13 does not form part of the present invention and any well known temperature sensing means and moving means 13 connected thereto may be used which will cause during variation of the temperature sensed by the temperature sensing means 14 movement of the rod 15 connected to the moving means 13 in one or the other direction.
  • the operation of the lever 16 is effected dependent on the adjustment of the shutter means 6, 7 operated by means of the manual control 8 and proceeds in such a manner that for instance an adjustment of the shutter 6, 7 for one kind of gas with a higher heating value operates the device 13, after the heating equipment has been brought into operation, through the lever 16 in such a manner that the flow section of the openings 12 in the burner tube It) is reduced by reason of the shutter 21 and at the same time by shifting the spring loaded needle valve member 3 relative to the outlet end of the nozzle 2 to thus reduce the. gas flow through the nozzle.
  • the manually operable moving means includes a disc 23 turnably mounted about its axis on an appropriate support, a gear ring 24 coaxially fixed in any suitable manner, not shown in FIG. 4, to the disc for rotation therewith, a pinion 25 meshing with the gear ring 24 and provided with a hub formed with a screw thread which engages a corresponding thread 26 on the rod 15, which, in turn is connected to one arm of the double-armed lever 16.
  • the disc 23 is preferably provided with graduatons of the outer periphery thereof which cooperate with a stationary pointer on the support so that the position of the disc 23 can be easily ascertained.
  • an electromo-tor 27 drives a pinion 30 fixed to the motor shaft and the pinion 30 meshes with a gear 31 having a hub provided with an inner screw thread and meshing with a corresponding thread 26 on the rod 15.
  • Operation of the motor 27 that is, starting, stopping, and reversing of the motor may be effected in a known manner from a thermostatic device, not shown in FiG. 5, or operation of the motor 27 may also be manually controlled by appropriate switches.
  • FIG. 3 shows a further modification .in which an axially movable shutter 28 is provided in the burner tube for varying the open cross section of the openings or slots 12 formed in the burner tube 10.
  • the axially movable shutter 28 is provided with a plurality of spaced slots 31 corresponding in size substantially to the slots 12 in the burner tube and which are spaced from each other in axial direction according to the spacing of the slots 12.
  • the rod 17 connected at one end thereof to the double-armed lever 16 as shown in FIG. 1 is connected at its other end to one arm of a belt crank 29, the other arm of which is connected in the manner as shown in FIG. 3, to the upper end of the rod 30, the lower end of which carries the shutter 28 fixedly connected thereto.
  • the universal gas burner according to the present invention can be adjusted not only in a very simple manner for a different sort of gas, but that also the regulating range of the burner is substantially increased so that practically any useful type of heating gas can be employed.
  • a universal gas burner for gas heating equipment comprising, in combination, a gas nozzle having an outlet end; passage means communicating with said nozzle at a location spaced from said outlet end for feeding gas into said nozzle; a mixing tube having an inlet end substantially aligned With said outlet end of said nozzle; combustion air inlet means communicating with said inlet end of said mixing tube; a burner tube communicating with the end of said mixing tube opposite said inlet end thereof and being formed with a plurality of openings; and control means cooperating with said nozzle, said combustion air inlet means, and said openings for controlling the flow of gas and combustion air into said mixing tube and the outflow of a mixture of gas and air through said openings, one dependent upon the other, said control means including three shutters respectively coordinated with said outlet end of said nozzle, said combustion air inlet means, and said openings of said burner tube, the shutters coordinated with said outlet end of said nozzle and with said combustion air inlet means being integral with each other and being formed by a cup-shaped rotary member having a front wall facing said outlet end
  • a universal gas burner for gas heating equipment comprising, in combination, a gas nozzle having an outlet end; passage means communicating with said nozzle at a location spaced from said outlet end for feeding gas into said nozzle; a mixing tube having an inlet end substantially aligned with said outlet end of said nozzle; combustion air inlet means communicating with said inlet end of said mixing tube; a burner tube communicating with the end of said mixing tube opposite said inlet end thereof and being formed with a plurality of openings; first control means cooperating with said outlet end of said nozzle and with said combustion air inlet means for adjusting the flow of gas into said mixing tube and for simultaneously adjusting flow of combustion air into said mixing tube corresponding to the adjusted flow of gas thereinto; second control means cooperating with said nozzle and said openings of said burner tube for further controlling flow of gas from said nozzle into said mixing tube and for simultaneously and correspondingly adjusting outflow of a mixture of gas and combustion air through said openings of said burner tube, said second control means including a needle valve member located in said nozzle and being movable
  • a universal gas burner for gas heating equipment comprising, in combination, a gas nozzle having an outlet end; passage means communicating with said nozzle at a location spaced from said outlet end for feeding gas into said nozzle; a mixing tube having an inlet end substantially aligned with said outlet end of said nozzle; combustion air inlet means communicating with said inlet end of said mixing tube; a burner tube communicating with the end of said mixing tube opposite said inlet end thereof and being formed with a plurality of openings; first control means cooperating with said outlet end of said nozzle and with said combustion air inlet means for adjusting the flow of gas into said mixing tube and for simultaneously adjusting flow of combustion air into said mixing tube corresponding to the adjusted flow of gas thereinto; second control means cooperating with said nozzle and said openings of said burner tube for further controlling flow of gas from said nozzle into said mixing tube and for simultaneously and correspondingly adjusting outflow of a mixture of gas and combustion air through said openings of said burner tube, said second control means including a needle valve member located in said nozzle and being movable
  • a universal gas burner for gas heating equipment comprising, in combination, a gas nozzle having an outlet end; passage means communicating with said nozzle at a location spaced from said outlet end for feeding gas into said nozzle; a mixing tube having an inlet end substantially aligned with said outlet end of said nozzle; combustion air inlet means communicating with said inlet end of said mixing tube; a burner tube communicating with the end of said mixing tube opposite said inlet end thereof and being formed with a plurality of openings; first control means cooperating with said outlet end of said nozzle and with said combustion air inlet means for adjusting the flow of gas into said mixing tube and for simultaneously adjusting flow of combustion air into said mixing tube corresponding to the adjusted How of gas thereinto; second control means cooperating with said nozzle and said openings of said burner tube for further controlling flow of gas from said nozzle into said mixing tube and for simultaneously and correspondingly adjusting outflow of a mixture of gas and combustion air through said openings of said burner tube, said second control means including a needle valve member located in said nozzle and being movable
  • a universal gas burner for gas heating equipment comprising, in combination, a gas nozzle having an outlet end; passage means communicating with said nozzle at a location spaced from said outlet end for feeding gas into said nozzle; a mixing tube having an inlet end substantially aligned with said outlet end of said nozzle; combustion air inlet means communicating with said inlet end of said mixing tube; a burner tube communicating with the end of said mixing tube opposite said inlet end thereof and being formed with a plurality of openings; first control means cooperating with said outlet end of said nozzle and with said combustion air inlet means for adjusting the flow of gas into said mixing tube and for simultaneously adjusting fiow of combustion air into said mixing tube corresponding to the adjusted flow of gas thereinto; second control means cooperating with said nozzle and said openings of said burner tube for further controlling flow of gas from said nozzle into said mixing tube and for simultaneously and correspondingly adjusting outflow of a mixture of gas and combustion air through said openings of said burner tube, said second control means including a needle valve member located in said nozzle and being mov
  • a universal gas burner for gas heating equipment comprising, in combination, a gas nozzle having an outlet 7 end; gas passage means communicating with said nozzle at a location spaced from said outlet end for feeding gas through said second opening; a burner tube communicating with the end of said mixing tube opposite said inlet end thereof and being formed with a plurality of openings spaced from each other; a cup-shaped member in said casing and having an end wall abutting against said side Wall of said casing and a peripheral wall engaging with the outer surface thereof said annular wall of said casing, said cupshaped member being arranged in said casing turnably about a turning axis spaced from said outlet end of said nozzle and being formed in said end wall with a first plurality of apertures of different size arranged spaced from each other along a circle coaxial with said turning axis and in said peripheral wall with a second plurality of apertures of different size respectively spaced from each other according to the spacing of said first plurality of apertures; manually operable means connected to said cup-shaped member for turning the latter about said
  • said shutter means in said burner tube is a rotary member angularly adjustable about an axis coaxial with said burner tube
  • said operating means include a double-armed lever pivoted about a pivot axis intermediate its ends, a rod mounted for reciprocation in longitudinal direction and being operatively connected at one end thereof to one end of one arm of said lever and carrying on the other end thereof a rack, a pinion coaxial with and operatively connected to said rotary memher and meshing with said rack, moving means cooperating with said temperature sensing means and operatively con-.

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  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Gas Burners (AREA)
US484362A 1964-09-03 1965-09-01 Universal gas burner for heating equipment Expired - Lifetime US3331424A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DEH0053698 1964-09-03

Publications (1)

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US3331424A true US3331424A (en) 1967-07-18

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US484362A Expired - Lifetime US3331424A (en) 1964-09-03 1965-09-01 Universal gas burner for heating equipment

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US (1) US3331424A (US07321065-20080122-C00160.png)
AT (1) AT255698B (US07321065-20080122-C00160.png)
BE (1) BE656110A (US07321065-20080122-C00160.png)
CH (1) CH419022A (US07321065-20080122-C00160.png)
GB (1) GB1029726A (US07321065-20080122-C00160.png)
LU (1) LU47449A1 (US07321065-20080122-C00160.png)
NL (1) NL6415269A (US07321065-20080122-C00160.png)

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4645448A (en) * 1985-12-16 1987-02-24 The United States Of America As Represented By The Secretary Of The Army Laser effects simulator
US4755136A (en) * 1985-04-11 1988-07-05 Ygnis S.A. Burner for gaseous fuels, especially for boilers
US4850853A (en) * 1988-05-10 1989-07-25 Hunter Manufacturing Company Air control system for a burner
US4998878A (en) * 1988-05-10 1991-03-12 Hunter Manufacturing Company Fuel control system for a burner
FR2716955A1 (fr) * 1994-03-01 1995-09-08 Cerem Dispositifs d'injection et de régulation progressive pour brûleurs atmosphériques à gaz fonctionnant à faible pression nominale.
US20070248920A1 (en) * 2004-04-19 2007-10-25 Morsner Johann C Variable Orifice Combustor

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US312976A (en) * 1885-02-24 Hydrocarbon-burner
US562410A (en) * 1896-06-23 Device for regulating the flow of gas or vapor
US1009678A (en) * 1909-10-15 1911-11-21 Francois Eustratius Mavrogordato Liquid-fuel burner.
US1069860A (en) * 1911-07-20 1913-08-12 Albert C Dale Oil-gas generator and burner.
GB162641A (en) * 1921-02-04 1922-05-01 Adolf Bachner Improvements in gas burners
US2572675A (en) * 1947-04-07 1951-10-23 Cleveland Res Corp Gas burner with modulated flame orifice
US2603283A (en) * 1952-07-15 Variable flame-orifice gas burner

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US312976A (en) * 1885-02-24 Hydrocarbon-burner
US562410A (en) * 1896-06-23 Device for regulating the flow of gas or vapor
US2603283A (en) * 1952-07-15 Variable flame-orifice gas burner
US1009678A (en) * 1909-10-15 1911-11-21 Francois Eustratius Mavrogordato Liquid-fuel burner.
US1069860A (en) * 1911-07-20 1913-08-12 Albert C Dale Oil-gas generator and burner.
GB162641A (en) * 1921-02-04 1922-05-01 Adolf Bachner Improvements in gas burners
US2572675A (en) * 1947-04-07 1951-10-23 Cleveland Res Corp Gas burner with modulated flame orifice

Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4755136A (en) * 1985-04-11 1988-07-05 Ygnis S.A. Burner for gaseous fuels, especially for boilers
US4645448A (en) * 1985-12-16 1987-02-24 The United States Of America As Represented By The Secretary Of The Army Laser effects simulator
US4850853A (en) * 1988-05-10 1989-07-25 Hunter Manufacturing Company Air control system for a burner
US4998878A (en) * 1988-05-10 1991-03-12 Hunter Manufacturing Company Fuel control system for a burner
FR2716955A1 (fr) * 1994-03-01 1995-09-08 Cerem Dispositifs d'injection et de régulation progressive pour brûleurs atmosphériques à gaz fonctionnant à faible pression nominale.
US5716203A (en) * 1994-03-01 1998-02-10 Sirand; Joseph Injection apparatus for an atmospheric burner in a gas heating apparatus, especially of the infrared type, and heating apparatus provided with such an injection device
US20070248920A1 (en) * 2004-04-19 2007-10-25 Morsner Johann C Variable Orifice Combustor
US7566217B2 (en) * 2004-04-19 2009-07-28 Moersner Johann Carl Variable orifice combustor

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Publication number Publication date
CH419022A (de) 1966-08-31
AT255698B (de) 1967-07-10
NL6415269A (US07321065-20080122-C00160.png) 1966-03-04
BE656110A (US07321065-20080122-C00160.png) 1965-03-16
GB1029726A (en) 1966-05-18
LU47449A1 (US07321065-20080122-C00160.png) 1965-01-26

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