US1135047A - Gas-burner. - Google Patents
Gas-burner. Download PDFInfo
- Publication number
- US1135047A US1135047A US72398712A US1912723987A US1135047A US 1135047 A US1135047 A US 1135047A US 72398712 A US72398712 A US 72398712A US 1912723987 A US1912723987 A US 1912723987A US 1135047 A US1135047 A US 1135047A
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- US
- United States
- Prior art keywords
- burner
- gas
- screen
- head
- leg
- 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
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23D—BURNERS
- F23D11/00—Burners using a direct spraying action of liquid droplets or vaporised liquid into the combustion space
- F23D11/10—Burners using a direct spraying action of liquid droplets or vaporised liquid into the combustion space the spraying being induced by a gaseous medium, e.g. water vapour
Definitions
- MICHIGAN ASSIGNOR TO PARROTT HEATER COMPANY, OF JACKSON, MICHIGAN, A CORPORATION OF MOHIG'AN.
- This inventionc relates to gas burners for heating purposes, and the general object of the invention is to provide a veryeiiicient burner of that type.
- one of the important objectsl is to provide a simple structure adapted to thoroughly'mix. gas and air and give a perfect combustion irrespective of the pressure or caloric eliiciency of the gas.
- Another object is to adapt the burner, by very simple changes, 'or natural gas, arti- ;licial gas or gasolene vapor.
- the invention consists of the characteristics hereinafter more fully explained by which the above objects, or any of them, are attained.
- Figure l is a side elevation 'of the burner, together with the shell and legs of a suitable stove or heater coactmg therewith;
- Fig. 2,1s a face view of one of the burner sections, that is, lookingv radially from the aXis of the annular burner;
- Fig. 3 is a vertical cross-section of the burner-section shown in Fig. 2;
- Fig.' -i is a'bottom plan of such burner section with the ends of the burner section head reversed with relation to Fig. 2;
- Fig. 5 isan enlarged View otra peculiar form of screen which is employed at the burning openings, the'intermediate portion of this screen'being omitted in the drawings forsinipiicity.
- a gas conduit which may be a hollow ring to which gas is supplied through a pipe ll.
- rlhe ring is Ars indi- Speeioaton of Letters Patent.
- Fig. l it may be suspended below a heater casing 12 supported on legs 13.
- nipples l5 Extending from the ring at suitable intervals' are nipples l5 which connect with the burner sections. These nipples are spuds or bushings screwed into ⁇ bosses 16 on the upper surface oi the ring, the bushing having a bore varying'in cross section with the kind of gas it is intended to use.
- the burner is made up of abutting segments which, together, have the Jtorna ot a ring, each segment having a tubular leg connected with a corresponding nipple l5.
- the segments are designated 20 in the drawing. lin thel form shown, there are siX of them, each extending for substantially 60o.
- Each segment 20 is a hollow device having a bottom 21, an outer arcual wall 22, a top composed ot the inclined portion 23 and the inwardly overhanging horizontal portion 24 and ends 25 and 26.
- the segment has a centrally placed aperture, and surrounding this aperture, and leading downwardly and made integral with the segment, is the hollow leg v28.
- rlhe intermediateportion of the leg is shown as round, connected by a Haring liattened port 27 with the head; near its lower end the leg has a round ⁇ flaring portion, as indicated at 29, and extending crosswise ofthis lower iiared portion is an integral cross bar 30, having a central opening 3l.
- the burner section dcscribed is preferably a single casting.
- nipple When the burner sections are in place the upper ends of thenipples l5 occupy the openings 31.
- rlhe nipple is shown in Fig. 3 as having its lower portion somewhat larger than the opening 31, whereby a shoulder is provided on which the cross bar 30 rests, whereby the section is supported, while leav ing an unobstructed air space around the nipple.
- Below the cross bar 3() and within the leg 28 is a'circular piece oi' screen cloth 34; held in place by a partially circular ring 35 which is sprung into an annular recess on the inner face of a depending and outwardly beaded portion 36 of the leg.
- facingV strip 46' preferably of iron and hav- Y ing much larger holes 47.V Both strips are shown'as secured to the segment orA head by jscrews 48 which pass through the two stripsj into the ears 43 referred to, f
- The'screen 44 is formed in vz tfpeculiar ner, Vas'shown -in Fig. 5. That is to say, the
- ⁇ perforating openings arek not round, ⁇ but are elongated or rectangular, the operation of whichis 'to spread the flamehoriz'ontally, thus concentrating it in a yhorizontal sheet andl givinga more effective heating than where it flares in a.. conical formfrom a i round opening.
- the spu'dsl ⁇ '15.V furnish ithermeans which kinds of gas
- the circular form of the burner concentrates the heat at the center portion of the circle, and still allows a full supply of secondary air from directly below the iame. This is an important feature in eiicient heating. In connection with this, the spreading ,of the fiamef'by thelongitudinally slotted screen is valuable, the liame lying in a-thin, flat layer and thus allowing a greater amount of secondary air.
- This-burner may be constructed extremely cheaply.
- the segment with :the hollow legs and the cross bars is preferably a single integral casting.
- the brass screen V may bje manufactured in strips, as well as the iron facing.
- the lower screen at the foot of the leg is easilyY installed and effectivelyheld in place, being clamped at the edge and lying against the under face of the cross bar 30 and coming between it and the shoulder of the supporting nipple.V
- a series ofwburner sections arranged annularly and each consisting of a hollow segmental head and a hollow leg extending therefrom, a series of nipples for conveying gastoA the lower portions of said legs, there being an air opening Vinto the leg about the gas inlet,
- a gas burner section consisting of a hollow segmental .head and a hollow leg eX- tending therefrom andhaving gas and air openings at its lower end,the inner face of meant? the head having an opening, a screen strip across said opening having narrow horizontal perforations, a facing strip surmounting said screen and having larger openings than those of the screen, and an inwardly projecting iange carried by the head and overhanging the screen and facing strip.
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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)
Description
B. R. PAHROTT.
v GAS BURNER. .i APPLlcAou mso ocr. 4, V1912. l Patented Apr. 13, 1915,
N' 2@ Y H i JZ''ZG. j.
xl7/Q di. @Mga gym# ma, i3d/ag,
rrfif.
1HE MORRIS PETERS CO.. PHOTO-LITHO., wAsHlNGmN, D, C4
t sired; and to protectthe l supported'in any suitable manner.
BERT R. PARRO'IT, OF JACKSON",
MICHIGAN, ASSIGNOR TO PARROTT HEATER COMPANY, OF JACKSON, MICHIGAN, A CORPORATION OF MOHIG'AN.
GAS-BURNER.
manoir., y
Beit known-that I, Bnnfr R. FARROTT, a citizen of theV United States, residing at Jackson, in thevcounty of Jackson and State of Michigan, have invented a certain new and useful mproveinent inl Gas-Burners, of which the following is a full, clear, and exact description, reference beinghad to the accompanying drawings.
\ This inventioncrelates to gas burners for heating purposes, and the general object of the invention is to provide a veryeiiicient burner of that type.
More particularly, one of the important objectsl is to provide a simple structure adapted to thoroughly'mix. gas and air and give a perfect combustion irrespective of the pressure or caloric eliiciency of the gas.
Another object is to adapt the burner, by very simple changes, 'or natural gas, arti- ;licial gas or gasolene vapor.
Other objects are to so arrange the burner that the flame will be directed in a most eiicient manner, concentrating the heat as de burner from dirt, condensation and corrosion, thereby increasing its efficiency. v
rFhe simplicity of the construction, enabling cheap manufacture and easy installation, are also features of the burner shown and claimedherein.
The invention consists of the characteristics hereinafter more fully explained by which the above objects, or any of them, are attained.
In the drawing, Figure l is a side elevation 'of the burner, together with the shell and legs of a suitable stove or heater coactmg therewith; Fig. 2,1s a face view of one of the burner sections, that is, lookingv radially from the aXis of the annular burner; Fig. 3 is a vertical cross-section of the burner-section shown in Fig. 2; Fig.' -i is a'bottom plan of such burner section with the ends of the burner section head reversed with relation to Fig. 2; Fig. 5 isan enlarged View otra peculiar form of screen which is employed at the burning openings, the'intermediate portion of this screen'being omitted in the drawings forsinipiicity.
Referring by numerals to the parts shown in the drawing, represents a gas conduit which may be a hollow ring to which gas is supplied through a pipe ll. rlhe ring is Ars indi- Speeioaton of Letters Patent.
Patented Apr. i3, i915.
Application filed October 4V, 1912. Serial No. 723,987.
cated by Fig. l, it may be suspended below a heater casing 12 supported on legs 13. Extending from the ring at suitable intervals' are nipples l5 which connect with the burner sections. These nipples are spuds or bushings screwed into `bosses 16 on the upper surface oi the ring, the bushing having a bore varying'in cross section with the kind of gas it is intended to use.
The burner is made up of abutting segments which, together, have the Jtorna ot a ring, each segment having a tubular leg connected with a corresponding nipple l5. The segments are designated 20 in the drawing. lin thel form shown, there are siX of them, each extending for substantially 60o. Each segment 20 is a hollow device having a bottom 21, an outer arcual wall 22, a top composed ot the inclined portion 23 and the inwardly overhanging horizontal portion 24 and ends 25 and 26. The segment has a centrally placed aperture, and surrounding this aperture, and leading downwardly and made integral with the segment, is the hollow leg v28. rlhe intermediateportion of the leg is shown as round, connected by a Haring liattened port 27 with the head; near its lower end the leg has a round `flaring portion, as indicated at 29, and extending crosswise ofthis lower iiared portion is an integral cross bar 30, having a central opening 3l. The burner section dcscribed is preferably a single casting.
When the burner sections are in place the upper ends of thenipples l5 occupy the openings 31. rlhe nipple is shown in Fig. 3 as having its lower portion somewhat larger than the opening 31, whereby a shoulder is provided on which the cross bar 30 rests, whereby the section is supported, while leav ing an unobstructed air space around the nipple. Below the cross bar 3() and within the leg 28 is a'circular piece oi' screen cloth 34; held in place by a partially circular ring 35 which is sprung into an annular recess on the inner face of a depending and outwardly beaded portion 36 of the leg.
When the sections are set on the nipples, the end walls of the adjacent sections abut. In this position, a tongue or dowel pin 40 on one end of the section occupies a corresponding recess 4l in the adjacent end of the next section, whereby the segments of the section are held intheir annular positions. It is simply necessary to place such sections tobottom 21 of the make the burner ,adjustable for did'erent j Y H For articial gas the boresY Y l through these spuds are made comparatively Y ir'whichthel burner facing may be secured.
' throughout the rarcual length.
ends of this open spacehowever, are ears.
getherto give them the annular assembly shown Vin F 1, and then the variouslegs areshoved downwardly onto the nipples,
after vwhich the Vstructure retains its position,`
without other fastening. Y
f The frontof the segmentcasting (thatis the concave vertical side) Ais open practically Near the 43 (Fig. '3)' projecting inwardly fromn the end walls, and 'these ears form points to rIhis .'facing consisting of a perforated screening strip 44,` preferably offbrass, 'havvingl smallholes 45, 'andoutside of this, aV
facingV strip 46', preferably of iron and hav- Y ing much larger holes 47.V Both strips are shown'as secured to the segment orA head by jscrews 48 which pass through the two stripsj into the ears 43 referred to, f
The'screen 44 is formed in vz tfpeculiar ner, Vas'shown -in Fig. 5. That is to say, the
`perforating openings arek not round,`but are elongated or rectangular, the operation of whichis 'to spread the flamehoriz'ontally, thus concentrating it in a yhorizontal sheet andl givinga more effective heating than where it flares in a.. conical formfrom a i round opening.
The spu'dsl `'15.V furnish ithermeans which kinds of gas;
large; Yfor natural gas comparatively small; and for gasolene gas they `have an intermedr ate size." These sizes are so chosenthat the Atotalarea of the bores for burners fordiHero Y ent gases is proportionaltothe heat units in Y the gas tobejconsumed. kThe actual size of with]reference,to'thev area of cross sectionV v`of the bore 4of the'mixing leg, tosobtain the --tli e' openings 47 .in the facing is determined prcpermixture, With the bore of thespuds chosenv with reference to the 'kind of gas used, the pressure `ofsuchgas is immaterial.
If the gas pressure is high thev gas velocity draws inzwith it "a comparatively large am'ountofair throughthe screenl. If, on` f .the lothervhand,*the gas pressure is low, the
amount of air.` 'The' proper mixture, therel fore, vis 'preserved in 'any case.
slow Velocity draws a correspondingly-small changing the `nipples for different kinds of gasa muchfsimp'ler-structure and operation 1s 1,obtained Vthan where mixing chambers l*of djlstable-Size are employed.
vThe inward overhang of the topswalls" vof, the segments, above the burner' facings, as
shown particularly at 49 in FigsfQ, 3' and 4, is j'offimportance, as it protects the burner from dirt, condensation 'and corrosion.V YThe segmental form of the burner andthe lockmeans ofthe dowel pins, holds the burner "sections iin'place when installed, but allowstheie'asy removal of sections for clean- By simply" ing vor renewing the screens or facings or changing the face plate .for one with different orifices for different kinds of gas.
Y The circular form of the burner concentrates the heat at the center portion of the circle, and still allows a full supply of secondary air from directly below the iame. This is an important feature in eiicient heating. In connection with this, the spreading ,of the fiamef'by thelongitudinally slotted screen is valuable, the liame lying in a-thin, flat layer and thus allowing a greater amount of secondary air.
This-burner may be constructed extremely cheaply. The segment with :the hollow legs and the cross bars is preferably a single integral casting. The brass screen Vmay bje manufactured in strips, as well as the iron facing. The lower screen at the foot of the leg is easilyY installed and effectivelyheld in place, being clamped at the edge and lying against the under face of the cross bar 30 and coming between it and the shoulder of the supporting nipple.V
I claim is: y
1. In a gas burner, the combinationfof a series ofwburner sections arranged annularly and each consisting of a hollow segmental head and a hollow leg extending therefrom, a series of nipples for conveying gastoA the lower portions of said legs, there being an air opening Vinto the leg about the gas inlet,
Having thus described my invention, what the inner faceV of thehead having an open- Y ing, a screen arranged vertically on said Y opening, a .perforated ,facingy strip, and Aimea'ns for securing the facing stripv 'and 3. ,A burner section lmade o f approximately T-shape. consisting Aof a vhol-low segmental o heady and a hollow leg, the leg 'communicate ing with the head,` the inner curved face of the head vhaving an opening, a screen over said opening having narrow'horizontalperforations, and a burner facing vextending over it and having larger openings,the screen andfacing being secured to the inner face of the head.
4. A gas burner section consisting of a hollow segmental .head and a hollow leg eX- tending therefrom andhaving gas and air openings at its lower end,the inner face of meant? the head having an opening, a screen strip across said opening having narrow horizontal perforations, a facing strip surmounting said screen and having larger openings than those of the screen, and an inwardly projecting iange carried by the head and overhanging the screen and facing strip.
5. A gas burner. section of approximately T-shape, the head of which is segmental having an opening on its inner face, a `flat screen strip having narrow horizontal burner openings and secured across said opening in the head, a surmounting strip having a series of larger openings, inwardly extending ears at each end of the burner openings, and screws extending through said ears.
6. The combination of a gas conveying Copies of this patent may be obtained for ive cents each, by addressing the means, a series of sectional burner members, each section having a segmental head and a depending hollow leg, means on the conveying means for engaging the leg for carrying the sectional burner members and conveying gas thereto, the head of the sections abutting each other at their ends to form an annular core, said head having coperating lugs and recesses for interlocking the adjoining ends with each other.
In testimony whereof, I hereunto aiiiX my signature in the presence of two witnesses.
BERT R. PARROTT.
Witnesses:
ALBERT H. BATES, J. B. HULL.
Commissioner of Patente,
Washington, D. C.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US72398712A US1135047A (en) | 1912-10-04 | 1912-10-04 | Gas-burner. |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US72398712A US1135047A (en) | 1912-10-04 | 1912-10-04 | Gas-burner. |
Publications (1)
Publication Number | Publication Date |
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US1135047A true US1135047A (en) | 1915-04-13 |
Family
ID=3203159
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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US72398712A Expired - Lifetime US1135047A (en) | 1912-10-04 | 1912-10-04 | Gas-burner. |
Country Status (1)
Country | Link |
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US (1) | US1135047A (en) |
-
1912
- 1912-10-04 US US72398712A patent/US1135047A/en not_active Expired - Lifetime
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