US1771653A - Liquid fuel stove - Google Patents
Liquid fuel stove Download PDFInfo
- Publication number
- US1771653A US1771653A US287060A US28706028A US1771653A US 1771653 A US1771653 A US 1771653A US 287060 A US287060 A US 287060A US 28706028 A US28706028 A US 28706028A US 1771653 A US1771653 A US 1771653A
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- Prior art keywords
- burner
- casing
- fuel
- generator
- burners
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- Expired - Lifetime
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24C—DOMESTIC STOVES OR RANGES ; DETAILS OF DOMESTIC STOVES OR RANGES, OF GENERAL APPLICATION
- F24C5/00—Stoves or ranges for liquid fuels
- F24C5/18—Liquid-fuel supply arrangements forming parts of stoves or ranges
Description
July'29, 1930. G. E. PICKUP 3 LIQUID FUEL s'rovs Filed June 21, 1928 2 Sheets-Sheet 1 v G. E. PICKUP 1,771,653
LIQUID FUEL STOVE July 29, 1930.
[2 Sheets-Sheet. 2
Filed June 21-. 1528 imnnmmmm Patented July 29, 1930 H PATENT-OFFICE GEORGE E. PICKUP, 0F NEWARK, OHIO, ASSIGNOR TO THE wnnnrn COMPANY, or
NEWARK, OHIO, A CORPORATION OF OHIO LIQUID FUEL 7 Application filed June 21,
The invention relates generally toliquid fuel stoves wherein the liquid fuel is delivere-d under pressure to a liquid fuel gas generating device, and more particularly has reference to an improved form of fuel-gas generator therefor, 1 1
. An object of this invention is .to provide a stove of this character embodying a new and improved gas generatingburner therein comprising a simple and elficiently operating unitary structure capable, of being cast as a unitand which includes in the structure separate burner means for initiating the generation of gaseous fuel and, for subsequently continuing the generation of gas. I P
Another object of the invention resides in i the provision of a gas generating system for a liquid fuel stove embodying a burner for heating the generator, winch burner is arranged tosupply a greater amount of heat for the generation of fuel gas when certain burn-- ers, such as an oven burner .WllOSB consumption of fuel is large, are used;
Other objects and advantages w ll become apparent in the following description and n the accompanying drawings, in which:
Figure 1 is a fragmentary, plan vlew of the top of a stove having the invention embodied therein, various portions of the stove being shown in section to disclose the disposition of the heating units. I
Fig. 2 is a longitudinal section through the fuel gas generator burners and generator tube.
Fig. 3 is an enlarged plan View of the generating burner. i
Fig. 4 is a longitudinal sect on taken substantially on the lines 44 of Fig. 3.
Fig. 5 is a detail section of a part of the device taken on the line 55 of Fig. 3.
Fig. 6 is a cross sectional view taken .on the lines 6-6 of Fig. .3.
Fig.7 is an end view looking from the left hand side of 3. I
lVhile the. invention is susceptible of various modifications and alternative constructions, I have shown in the drawingsand have herein described in detail the preferred embodiment. but it is to be understood that I do not thereby intend to limit the invention stove constructions,
nected to the manifold by a conduit 16 in which a control valve 17 is interposed, may
burner in the stove.
1328. Serial No. 287,060.
claims.
The invention has reference generally to the type of cook stove in which liquid fuel is supplied-under suitable pressure, from a supply tank to a gas generating means for conversion of the liquid fuel into fuel gas. Referring to Fig. 1, 10 designates generally a stove frameof the usual well known construction having mounted in an open top section a fuel gas through various extensions 12 to a plurality of open flameburners13. The passage of fuel gas from the manifold to :each burner is con trolled in the customary manner by means of manually operable valves 14. In certain an ovenburner 15 conbe provided to heat an oven section.
In this type of store. it is usually the custom to provide a generating burner which heats and converts liquid fuel into fuel gas which is then passed or directed into the manifold for distribution to the various burners. In connection With the generating burner herein generally illustrated at 18, auxiliary burners 19 may also be provided whichservc as an open flame burner for heating a cooking utensil when it is desiredto use only one 'l'he'se auxiliary burners, in this embodiment,
nectedto the manifold by means of a conduit 20 which is controlled, as in the other instances, by means of a valve 21.
The generating systenrin this embodiment comprises a suitable pressure tank 22 of any well known construction which is supported in a convenient position upon the stove frame 10. A conduit 23 co-nveys liquid fuel from the fluid supply tank to a generator member. 24, Figs. 1 the open top section o'fthe stove.
manifold 11 leading.
are positioned on either. side of the generating burner and are contop surfaceof the casing. V the top surface overlying the chambers 35,
end thereof, is a needle valve 26 of suitable construction, which is adapted to be opened and closed by means of an operating handle 27. The inner end of the tube communicates through the needle valve with an enlarged conduit 28 which in turn is suitably connected to the manifold 11. Thus, when tially heating the generating tube to start the generation of gas, and other means adapted to supplant the initial heating means, for heating'the generating tube to create fuel gas during the operation of the stove.
More particularly described (Figs. 2, 3 and t) the generator burner comprises a hollow elongated casing 29 having one closed end and a substantially fiat top surface. \Vithin the casingand near the open end thereofis a small chamber 30 (see Figs. 2 and 5) set apart from the rest of the interior of the casing by a transverse horizontal wall 31 and a vertical wall 32 extending between the transverse wall and the top of the casing. The top surface of the casing is provided in the present instance with one or more apertures'33 communicating with the chamber 30 which are adapted to receive burner disks 34 of any suitable material such as porcelain or the like. These burners 34: comprise the heating means for initiating or starting the generation of gaseous fuel in the generator tube and will for convenience be hereinafter termed the pregenerating burners.
The remaining portion of the interior of the casing is divided into two substantially similar elongated chambers 35, 35 by a vertical partition 36 extending longitudinally 01 the interior of the casing. As may be seen in Figs. 2 and 4, the elongated chambers 35, 35 pass beneath the pregenerating chamber 30 to communicate with the open end of the casing and are offset vertically so that between the pregenerating chamber 30 and the closed end of the casing the chambers underlie the Each portion of 35 is provided with a longitudinally extending series of transverse burner slots 37, 37 which extend through the casing into communication with the chambers 35, 35 The transverse slots 37, 37 comprise the secondary or. main heating means which supplants the operation of the pregenerating burners after the generation of fuel gas in the generating'tube has been started.
A feature of the invention resides in the provision of means by which the main burner may normally supply a certain amount of heat to the generator tube and is capable of supplying an additional amount of heat when certain burners, such as the oven burner 15 whose fuel consumption is large, are operated. It is also desirable that this operation be accomplished automatically when the large fuel consuming burners are first put in operation.
T 0 this end the burner casing is connected. to the manifold in such manner that one of the chambers (herein the chamber 35) communicates directly therewith while the other of the chambers 35 communicates with the manifold through a valve controlled conduit. As shown in Fig. 1 the preferred arrangement of parts by which this end'is attained comprises a conduit 40 having an internal dividing wall 40 separating the conduit into two oppositely directed parts one of which communicates directly with the manifold 11 and the other of which is connected to the burner conduit 16 at a point intermediate the valve 17 and the burner 15.
The burner casing preferably is secured to and supported bythe conduit 40 in such manner that the casing extends substantially parallel to the generator 24 with the top surface of the casing adjacent to the generator and with the pregenerating burners 34 underlying the inner end thereof. For this purpose the open end of the casing is provided with a transverse plate 38 which has therein a pair of ports 39, 39 (Fig. 7) each communicating with one of the chambers 35, 35 The plate 38 is suitably secured to a similar plate 41 adjacent the dividing wall 40 in the conduit which has a pair of apertures 42 communicating with each side of the divided conduit, the apertures 42 being arranged to register with the apertures 39, 39 in the casing plate- By this construction it wi ll be seen that the chamber 35 and the series of burner openings 37 associated therewith will be directly supplied with gaseous fuel from the manifold through one part of the divided conduit 40 while the other chamber 35* and burner openings 37 communicate with the manifold through the other part of the conduit only when the valve 17 is opened to permit the operation of the burner 15.
' As may be seen in Fig. 6, the upper surface of the casing directly overlying the partition 36 is depressed to provide a groove 36" separating the slots 37, 37 The groove 36 operates to prevent the loss of fuel by preventing the flow of gaseous fuel from one of the burner chambers into the other, as for example from the burner slots 37 into the burner slots 37 thence to escape from the burner 15, when only one side of the burner is in operation.
Means, which is independent of the generating means, is provided for supplying a readily combustible fuel vapor to the precates withthe upper end of the fuel supply pressure tank and is controlledby a valve 46 of any preferred form interposed in'the pipe line.
Thus when pressure has been created in the pressure tank, the valve 46 may be opened to permit the vapor under pressure in the upper portion of the supply tank to flow to the pregenerator chamber. The vapor which is supplied to the. pregenerator burner from the upper portion of thepressure tank is readily inflammable and may be easily ignited by a match as it issues from theburner. The heat generated by the burning gas at this point, which, as may be seen in Fig. 2, iininediately underlies the needle valve, is sufiicient to initiate the conversion of the liquid fuel within the generator tube into fuel gas,
After the lapse of a short space of time in order to permit the generator tube overlying the pregenerator burner to become thoroughly heated the needle valve 26 may be opened permitting the flow of the generated gas into the conduit and the manifold. From the manifold the gas flows through the (lit rectly. communicating part of the conduit 40 and the longitudinal chamber 35 in the easing, to issue therefrom through the transverse burner slots 37 where it is ignited by the flame from the adjacent pregeneratorburners.
When the main burner has been in operation a sufficient length of time, the valve controlling the supply of vapor to the pregenerator burners may be shut off. Generally the length of this operation may be measured by determining the decrease in the pressure within the supply tank, which may be ascertained from the customary type of pressure gage (not shown). i
If the oven burner 15 is to be used, the valve 17 is opened permitting fuel gas to flow from the manifold to the oven burner. The open-v ing of the oven valve 17 also permits fuel gas to flow through the communicating part of the conduit 4.0 into the burner compartment 35 and the transverse burner slots 3'? where it is ignited by the flame from the adjacent slots 35. Thus, opening the valve 17 automatically supplies additional fuel gas to the generating burner which increases the speed of generation of fuel gas amply to meet the requirements of the oven burner 15.
It will be seen fromthe foregoing that a generating unit has been provided for converting liquid fuel into gaseous fuel. which is simple and efficient in operation and which embodies therein a generating burner which may be formed as a single casting. Moreover the construction embodies tliereina pairrof burners which are capable of starting and continuing the generation of fuel gas and also includes a third andsupplemental burner which, as the occasion demands, increases the rapidity of generation of gas.
I claim as my invent-ion: 1. A liquid fuel stove comprising, in combination, a fuel gas manifold, and a fuel gas generating system adapted to convert liquid fuel into fuel gas and to deliver-said fuel gas to said manifold, said system comprising a liquid fuel supply tank arranged to main: tain liquid fuel therein under pressure, generatormeans connected between said manifold and said tank and arranged for the conversion of liquid fuel into fuel gas, and means for heating said generator means comprising a unitary casting having two burners thereon in end to end relation, one of said burners being connected to said manifold to be provided with fuel gas therefrom, the other of said burners being connected to the upper portion of said supply tank to receive combustible vapor under pressure therefrom for initially heating the generator means. 1
2. In a liquid fuel stove, the combination of a generator means, a fluid pressure supply tank-connected to said generator and ,ar-
ranged to supply liquid fuelunder pressure thereto, a generator burner positioned adjacent said generator means to heat said means, said burner comprising an elongated casing formed of cast metal having jet. openings extending along a part of the upper surface thereof, said casing having a passage-way therein communicating with said. burner openings, a conduit connected to said passageway and to said generator means for convey: ing fuel gas from said means to said burner openings, said casing having other jetopenings in the upper surface thereof adjacent the first mentioned burner openings and having a second passage way communicating with said other jet openings, and a valve controlled conduit connecting said second passage-way with the air space in the topof said liquid fuel supply tank whereby combustible vapor from said tank may be supplied under pressure to said last mentioned jet openings for initially heating said generator means.
3. In a generating system for converting liquid fuel into a gaseous fuel in a liquid fuel stove, the combination of a generator ar-- ranged to be heated and a burner for heating said generator comprisingan elongated hollow casing substantially paralleling said generator,'a plurality of partitions in'said casing dividing said casing into separate chambers, a pre-generating burner in'the surface of said casing'adjacent said generator com municating with one ofsaid chambers, means connected to the last mentioned chamber for supplyin sa d l een ra ingbu ner it til? I (ll) chambers, and means connectedto said second chamberfor supplying said last mentioned 7 burner with fuel gas from said generator.
4. In a device of'the character described,
a burner comprising, in combination, an elongatedhollow casing having one open end,
interiorly formed transverse and vertical walls providing a pregenerating chamber near the open end of the casing, such chamber having apregenerating burner communieating therewith and a passage-way therefrom forv supplying fuel to said burner, through said chamber, a pair of separate elongated chambers in said casing between the pre-generating chamber and the closed end of the casing, said casing havinga series of burner'slots therein communicating with each of said elongated chambers, and means providing a pair of ports on the open end of said casing, each of said elongated chambers having a separate communication with one of said ports. i
5. In a device of the character described, a burner comprising, in combination, an elongated hollow casing having one open end, interiorly formed transverse and vertical walls providing a pregenerating chamber near the open end of the casing, such chamber having a pregenerating burner communicating there with and a passage-way therefrom for supplying fuel to said burner through said chamher, a pair of separate elongated chambers in said casing between the pie-generating chamberjand the closed end of thecasing, said casing having a series of burner slots therein communicating with each of said elongated chambers and further having a longitudinal groove separating-one series of slots from the other, and means providing a pair of ports on the open end of said casing, each of said elongated chambers having a separate communication with one of said ports.
6. In a device of the character described, a burner comprising in combination, an elongated hollow casing formed of cast metal having one open end, a plurality ofintegrally formed partitions within said casing dividing the interior thereof into a small chamber and two substantially similar elongated chambers, burners communicating with each of said three compartments, means providing a passage way'into the small chamber in said casing, and" means providing separate passageways between the open end of said casing and each of said elongated chambers.
7. A liquid fuel stove comprising in'combination,"a plurality of burners including an oven burner, a gas manifold, valve controlled conduits connecting-eachofsaid burners with said manifold, and a gas generating system for converting liquid fuel into gaseous fuel including a generator arranged to discharge into saidmanifold, and a burnerfor heating said generator, saidburner comprising a casing having a pregenerating burner and two main burners therein, means connected to said pregenerating burner for supplying combustible vapor thereto from an external source, means connecting one of said main burners directly to said manifold, and means connecting the otherof said main burners witl the conduit leading to said oven burner on the burner side'of the valve controlling that conduit.
8. In a fuel gas generating system for liquid fuel stoves, the combination of a generator adapted to be heated to convert liquid fuel into gaseous fuel, a manifold arranged to receive gaseous fuel from said generator, and a burner for heating said generator comprising a casing having thereon a pregenerator burner adapted initially to heat said generator, and two similar main burners arranged to supplant the heating action of the pregenerator burner, one of said main burners having a connection with said manifold directly to obtain fuel therefrom, the other of said burners 'having'a valve controlled connection with said manifold for optionally permitting fuel gas to pass to said burner.
9. In a fuel gas generating system for liquid fuel stoves, the combination of a generator adapted to be heated to convert liquid fuel into gaseous fuel, a manifold arranged to receive gaseous fuel from said generator, and means forheating said generator comprising a casing having two similar burners integrally formed thereon, separate means connecting each ofsaid burners separately with said manifold, and a valve controlling the passage of fuel gas through one of saic connecting means.
10. In a'fuel gas generating system for liquid fuel stoves, the combination of a generator adapted to be heated to convert liquid fuel into gaseous fuel, a manifold arranged to receive gaseous fuel from said generator and a burner for heating said generator comprising an elongated casing formed of cast metal. having two substantially elongated parallel burners thereon, means connecting one of said burners directly to said manifold and a valve controlled means connecting the other of said burners with said manifold, said casing having the surface thereof-between the two burners recessed 'to form a separating groove, for preventing the flow of gas from one burner into the other when. t he valve controlled burner is inoperative.
In testimony whereof, I have hereunto affixed my signature.
GEORGE E. PICKUP.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US287060A US1771653A (en) | 1928-06-21 | 1928-06-21 | Liquid fuel stove |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US287060A US1771653A (en) | 1928-06-21 | 1928-06-21 | Liquid fuel stove |
Publications (1)
Publication Number | Publication Date |
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US1771653A true US1771653A (en) | 1930-07-29 |
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ID=23101290
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Application Number | Title | Priority Date | Filing Date |
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US287060A Expired - Lifetime US1771653A (en) | 1928-06-21 | 1928-06-21 | Liquid fuel stove |
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Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2557193A (en) * | 1947-05-29 | 1951-06-19 | Martiri Roberto | Self-gasifying heating equipment |
US2655989A (en) * | 1947-12-30 | 1953-10-20 | Martiri Roberto | Burner system for liquid fuels |
-
1928
- 1928-06-21 US US287060A patent/US1771653A/en not_active Expired - Lifetime
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2557193A (en) * | 1947-05-29 | 1951-06-19 | Martiri Roberto | Self-gasifying heating equipment |
US2655989A (en) * | 1947-12-30 | 1953-10-20 | Martiri Roberto | Burner system for liquid fuels |
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