US2141808A - Combination solid and gaseous fuel cooking range - Google Patents

Combination solid and gaseous fuel cooking range Download PDF

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US2141808A
US2141808A US169035A US16903537A US2141808A US 2141808 A US2141808 A US 2141808A US 169035 A US169035 A US 169035A US 16903537 A US16903537 A US 16903537A US 2141808 A US2141808 A US 2141808A
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oven
chamber
burner
range
gaseous fuel
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US169035A
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Almer H Brodbeck
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AMERICAN STOVE Co
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AMERICAN STOVE CO
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    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24HEATING; RANGES; VENTILATING
    • F24CDOMESTIC STOVES OR RANGES ; DETAILS OF DOMESTIC STOVES OR RANGES, OF GENERAL APPLICATION
    • F24C1/00Stoves or ranges in which the fuel or energy supply is not restricted to solid fuel or to a type covered by a single one of the following groups F24C3/00 - F24C9/00; Stoves or ranges in which the type of fuel or energy supply is not specified
    • F24C1/02Stoves or ranges in which the fuel or energy supply is not restricted to solid fuel or to a type covered by a single one of the following groups F24C3/00 - F24C9/00; Stoves or ranges in which the type of fuel or energy supply is not specified adapted for the use of two or more kinds of fuel or energy supply
    • F24C1/04Stoves or ranges in which the fuel or energy supply is not restricted to solid fuel or to a type covered by a single one of the following groups F24C3/00 - F24C9/00; Stoves or ranges in which the type of fuel or energy supply is not specified adapted for the use of two or more kinds of fuel or energy supply simultaneously

Description

Dec. 27, 1938. A. H. BRODBECK 7 2,141,308
COMBINATION SOLID AND GASEOUS FUEL COOKING RANGE I Filed Oct. 14, 1957 5 sheetS-sn'eei 1 Dec. 27, 1938. A H. BRODBECK COMBINATION SOLID AND GASEIOUS FUEL COOKING RANG Filed Oct. 14, 1937 3 Sheets-Sheet 2 M,Q. 6 I I m l m A. H. BRODBECK COMBINATION SOLID AND GASEOUS FUEL COOKING RANGE Dec. 27, 1938. i
Filed Oct. 14, 1937 3 Sheets-Sheet 3 Patented Dec. 27, 1938 UNITED STATES PATENT orricizf COIVIBINATION SOLID AND GASEOUS FUEL COOKING RANGE Almer H. Brodbeck, St. Louis, Mo., assignor to American Stove Company, St. Louis, Mo., a corporation of New Jersey Application October 14, 1937, Serial No. 169,035
14 Claims. (01. 126-36) This invention relates to improvements-in combination solid and gaseous fuel cooking ranges of the general type commonly referred as including coke, wood and other fuels of the solid type.
One of the primary objects of the present invention is the provision of a cooking range having a dual oven, by which is meant an oven which is heated either by a gaseous fuel burner 7, or by the heat generated by the solid fuel either or both of which can be burned in the range.
A still further object of the invention is the provision of a cooking range of the type hereinbefore described which is constructed in an im proved manner whereby even baking, which of course means an even distribution of heat at the I top, bottom and from side to side of the oven, is
assured irrespective of which typeof heating fuel is utilized.
Another and still further object of the invention is. the novel positioning of the gaseous fuel burning burner and a novel fluing arrangement to accomplish an even distribution of heat to the oven so as to assure even baking therein.
A still further object of the invention is the provision of a cooking range of the type described in which either solid or gaseous fuel can be utilized as the heating medium without the necessity of the removal or insertion of any parts from or to the range, when shifting from one type of heating medium to the other.
A still further object of the invention is the provision of an improved combination solid and gaseous fuel cooking range constructed in a novel and improved manner to enable the production of a highly eflicient range of this type which is comparatively cheap and simple of manufacture yet unusually efiicient in operation.
Other specific objects, novel features of construction and improved results of the invention will appear in more detail in the following description when read in the light of the accompanying drawings.
50 In the drawings:
Fig. 1 is a view in front elevation of a range embodying the present invention.
Fig. 2 is a vertical sectional .view through the range appearing in Fig. 1 of the drawings.
55 Fig. 3 is a horizontal sectional view taken on the line 3-3 of Fig. 2 looking in the direction indicated by arrows.
Fig. 4 is a vertical sectional view taken at right angles to the view appearing in Fig. 2 and being on the line 44 of .Fig. 3 and looking in the 5 direction indicated by arrows.
Fig. 5 is a fragmentary detailed perspective view partly in vertical section illustrating the oven fluing arrangement for the products of combustion of the gaseous fuel burner.
The accompanying drawings are illustrative of an embodiment of the present invention but are not to be considered as limiting the scope of the appended claims'in that departures from the exact constructions illustrated in the draw- 15 ings can be made without departing from the spirit of the invention as set forth in said claims.
In Figure 1 of the drawings the general appearance of a range embodying the present inventionlis illustrated but it is to be understood 20 and recognized whereas a right hand stove is illustrated in that the gaseous fuel open cooking portion of the range is illustrated as being at the right hand end of the range, the range could readily be reversed to be a left hand range by 25 shifting the gaseous cooking top portion of the range to the left end thereof.
Having reference now to Figures 1 and 2 and describing the range there illustrated in general terms, it will be seen that there is a cooking top to frame A in one end of which is an open cooking top portion B beneath which are suitable gaseous fuel burners C, while at the other end of the range there is a solid cooking top portion D made up of a plurality of movable plates I, 2, 3, 35 4, 5 and 8.
At the rear edge of the range there is the conventional splash back E provided with a shelf F.
The range body proper is beneath the cooking 4 tops and supported upon a suitable base G. This range body is defined by end walls I and 8, a rear wall 9 and a front wall l0 having therein several apertures which are closed by suitable doors H, I, J and K and a panel L. In the right hand end of the range body and lying behind the door J and the panel L there is a compart ment I I the upper end of which is in communication with a burner chamber 12 within which are disposed the hereinbefore referred to cooking burners'C. Suitable gas cocks l3 are positioned on a panel I disposed behind an aperture [5 in the door J which are for the purpose of controlling the delivery of fuel to the four cooking top gas burners C one of which is disposed beneath each of the grids l6.
The compartment H at its inner side is separated from the rest of the range interior by a vertically disposed wall 11 while the cooking top burner chamber I2 is separated from the rest of the interior of the range by a suitable bottom IS the under side of which is provided with any suitable insulation indicated at 19.
In the opposite end of the range and behind the door H there is a compartment 20 within which is disposed a grate 2| in thebottom of a suitable fire box 22 having an open upper end which is in communication with a flue 23 which extends entirely beneath the solid cooking top portions or plates of the range as well as beneath the bottom of a portion of the cooln'ng to; burner chamber I2. In the lower end of the compartment 20 and conveniently removable therefrom through the door H there is an ash receptacle 24.. Air is admitted to the solid fuel burner box 22 through a suitable adjustable damper-like air inlet M positioned in the end wall 1 of the range.
The oven as an entirety is designated at N and comprises a bottom plate 25; end plates 26, 21 and 21 a rear wall 28 which is in reality a portion of the main rear wall 9 of the range; an oven top 29; while the oven at its front end is closed by the door I. The oven wall 21 which is one of the defining walls of the hereinbefore referred to chamber 20 extends downwardly below the oven plate 25 to engage the main bottom plate 30 of the range body. At its lower end theoven wall 21 is bent or flared outwardly as at 3| so as to enlarge the chamber 0 within which is positioned the gaseous fuel oven burner P.
The oven N is of a size and so suspended within the range body that above its top there is the main flue 23 as well as the reduced flue portion 23 immediately beneath the cooking top burner chamber and a vertically disposed flue 32 at the right end of the oven and a horizontal flue 33 beneath the oven. This bottom flue 33 terminates at an end wall 34which constitutes one side of the oven burner chamber 0 and adjacent its end the flue 33 is provided with an outlet 35 through which the products of combustion of the solid fuel escape.
Although it is not illustrated it will be understood that a suitable outlet pipe will have connection at one end with the flue outlet 35 while its other end will discharge the products of combustion exteriorly of the room in which the range is disposed.
The burner chamber 0 is an elongated chamber which extends from the front of the range to the rear thereof beneath one end of the oven bottom plate 25. To prevent overheating of that portion of the oven immediately above the oven burner'P the oven bottom plate is provided with a suitable insulation space 36. The end wall 21' of the oven is in separated parallel relationship with the end wall 21 to provide a. vertical flueway 31 the lower end of which is in communication with the oven burner chamber 0 while its upper end is in communication with and discharges hot products of .combustion generated by the oven burner into the upper end or top of the oven N as clearly indicated by arrows in Fig. 2 of the drawings. Centrally disposed in the rear wall of the oven and adjacent the oven top an outlet 38 is provided for the products of combustion generated by the oven burner P.
The oven bottom is particularly novel of construction and is best illustrated in Figures 2 to 5 of the drawings from which it will be seen that the oven bottom is in reality a pair of telescopically arranged pan-like members. One of the pan members is the hereinbefore referred to oven bottom plate 25 while the other pan member is designated at 39 and is formed so as to provide beneath the oven bottom plate 25 a plurality of flueways R, S and T which at their one ends are in communication with the oven burner chamber 0 through suitable inlet openings 40, 4! and 42 respectively which openings are through the end closure wall 34 of the flue 33 while at their opposite ends these flueways communicate with and discharge into the lower end of the oven, as clearly indicated by arrows in Fig. 2 of the drawings, by reason of the fact that the bottom plate 25 of the oven stops short of the oven end wall 26 to provide a discharge passageway 43 into the oven bottom. By reference to Fig. 5 of the drawings it will be seen that this passageway 43 extends substantially throughout the depth of the oven.
It is to be understood of course from the fore- I v going description and from the drawings that the products of combustion generated by the burning of solid fuel on the grates 2| will pass upwardly into the upper flue 23 and over the oven top and down the further side wall 26 of the oven in the flueway 32 and under the bottom of the oven through the flueway 33 to discharge through the flue outlet opening 35. The products of combustion of the solid fuel never enter the oven chamber and are prevented from entry into the oven burner chamber 0 by reason of the end closure wall 34. In their passage to discharge, the products of combustion of the solid fuel heat the solid cooking top plates of the range sufliciently to enable cooking on the plates at the left end of the range.
The oven burner P is an elongated burner as clearly appears in Figs. 3 and 5 of the drawings and is of the cross fire type as indicated by arrows in Fig. 2 of the drawings. The particular burner utilized in this range is found to behighly satisfactory and eflicient in operation due to the fact.
that the cross fire burned at the burner is conducive of delivering hot products of combustion to both the flueways extending beneath the oven bottom and the flueway 31 extending between the side walls 21 and 21 of the oven. Actual operation of this range has proven that it is quite essential to provide the flueway 31 to discharge hot products of combustion into the upper end of the oven in order to give satisfactory browning on-the top of the oven when the oven is being heated by the gaseous fuel burner P.
For the purpose of supporting an adequate and proper flame at the oven burner P the bottom of the burner chamber 0 is provided with a plurality of secondary air inlet openings 44.
Attention is directed to the fact that the lower pan-like member 39 at the under side of the oven is provided with a plurality of portions 45 which contact the oven bottom plate 25 to provide a plurality of pockets which are designated in Figs. 3 and 5 of the drawings as X, Y and Z. These pockets are for the purpose of conducting heat to the bottom of the oven from the hot products of combustion from the solid fuel which pass under the oven in the bottom flueway 33.
the'foregoing description and as illustrated in the drawings it has been found that even baking can be accomplished in the oven irrespective of whether solid or gaseous fuel is being used as the heating medium. Heretofore in ranges of this character it has been found dimcult if not impossible by reason of the constructions utilized, to accomplish an even baking in the oven and this is believed to have been largely due to the fact that the gaseous fuel burner for the oven has been located in such a manner as to prevent or interfere with the proper heating of the bottom of the oven when solid fuel is being used as the heating medium. In the present range this unsatisfactory condition has been overcome.
Additionally in many stoves as now made and sold an effort has been made to overcome the deficiencies just recited through the use of a heavy removable plate over the gas burner which plate has to be removed when solid fuel is used as the heating medium. This has been found to I be a very objectionable feature from the users standpoint and is entirely overcomein the present device.
I claim:
1. In a range of the character described, a
range body having therein a solid fuel burner chamber, an oven chamber in said body supported in separated relationship to the top, sides and bottom of said range body to provide a flue passageway over around and under the oven chamber, a solid fuel burner in the first mentioned burner chamber and having communication at its upper end with the flue passageway above the oven chamber, a gaseous fuel burner and a chamber therefor positioned beneath the oven bottom, said chamber and burner being so disposed and positioned as to form no obstruction to the free flow of hot products of combustion of the solid fuel burner through said flue passageways to a point of discharge positioned in the end of the flue passageway beneath the oven chamber, said oven chamber provided with a bottom having therein heat passageways extendingunder the oven bottom and across the top of the flue passageway beneath the oven chamber, the- I oven chamber and discharging into the upper end sageway extending across the top of said oven and down the side of said oven remote to said solid fuel burner and under the bottom of said oven, said flue passageway communicating with the solid fuel burner for conducting hot products of combustion from said burner to a discharge positioned in the remote end of said bottom flue passageway, an elongated gaseous fuel burner disposed beneath and extending substantially "throughout the depth of the oven, the oven bottom at its under side provided with a plurality of heat passageways extending from the gaseous fuel burner chamber transverse the oven and communicating with the bottom area of the oven chamber at a point remote to the gaseous fuel burner, a heat passageway extending from a-point acfiacent the gaseous fuel burner upwardly and discharging into the upper area of the oven chamber, and an outlet in the upper portion of the oven, the parts operating as and for the purpose described.
3. In a range of the character described, a range body having therein means for burning solid fuel, an oven chamber in said body disposed to one side of said solid fuel burner, a flue passageway extending across the top of said oven and down the side of said oven remote to said solid fuel burner and under the bottom of said oven, the flueway beneath the oven bottom stopping short of that side of the oven adjacent the solid fuel burner and being provided with an outlet opening, said flue passageways having communication with the solid fuel burner, an elongated gaseous fuel burner chamber disposed beneath,
the oven exterior of and adjacent the closed end of the flue passageway beneath the oven chamber and extending substantially under the entire depth of the oven, the bottom of said oven provided with heat passageways extending from said gaseous fuel burner chamber across the bottom of the oven and discharging into said oven chamber in the bottom and at the remote side thereof, a heat passageway extending from said gaseous fuel burner chamber up that side of the oven chamber adjacent the solid fuel burner and discharging into the upper end of said chamber, an outlet openirig in 'the oven chamber adjacent the upper end thereof, and said burner being a cross fire burner whereby the hot products of combustion of the flames burned at one side of the burner are directed towards the heat passageways in the oven bottom while the hot products of combustion of the flames at the other side of the burner are directed towards the heat passageway extending upwardly along the oven side.
4. In a range of the character described, a range body having at one end thereof a chamber provided with a solid fuel burner, an oven chamber in said body positioned beside said first inentioned chamber, a flue outlet passageway for the products of combustion of the solid fuel burner, said flue passageway extending across the top, down one side and under the bottom of said oven chamber, an outlet to atmosphere disposed in the rear wall of said range body and communicating with the end of the flue passageway beneath theoven, a gaseous fuel burner chamber in the range body beneath the oven bottom and between the solid fuel burner chamber and the end of the flue passageway beneath the oven bottom, said gaseous fuel burner chamber extending substantially throughout the depth of the range body and the oven chamber, an elongated gaseous fuel burner extending longitudinallyof said burner chamber, said oven bottom at its under side provided with a'plurality of passageways having communication at one end with said gaseous fuel burner chamber and at their other end with the bottom area of the oven chamber at that side of the oven remote to the gaseous fuel burner, a
heat passageway extending up one side of the oven chamber and having communication at, its
lower end with the gaseous fuel burner chamber and at its upper end with the upper area of the oven chamber, and the oven adjacent its top being provided with an outlet opening.
5. In a range of the character described, a
bottom flue passageway to cause the hot products of combustion of the solid fuel burner to go over, down the side and under the bottom of the oven, a gaseous fuel burner chamber under that portion of the oven which lies beyond the aforementioned bottom flue passageway, a gaseous.
fuel burner in said'burner chamber, a heat passageway for conducting hot products of combustion from said burner chamber into the upper end of the oven chamber at that side adjacent the solid fuel burner, heat passageways extending from said burner chamber under the bottom of the oven and through the aforementioned bottom flue passageway for discharging hot products of combustion into the lower end of the oven chamber at that side remote to the solid fuel burner, and an outlet opening in said oven chamber adjacent the upper rear end thereof.
6. A construction such as defined in claim 5, wherein the oven bottom consists of a pair of plates portions of which are in direct heat conducting engagement and portions of which are in separated relationship to provide the heat passageways which interconnect the. gaseous fuel burner chamber and the bottom area of the oven.
'7. In a combined coal and gas range, a range body having therein a solid fuel burner chamber, with a solid fuel burner therein, an oven chamber in said body, a flue passageway to conduct the hot products of combustion from the said solid fuel burner across the top, down one side and under the bottom of said oven chamber,
a gaseous fuel burner chamber with a gaseous' burner therein positioned in the lower portion of said range body, said oven chamber provided with a double bottom having therein a heat passageway extending under the oven bottom and across the top of the flue passageway beneath the oven chamber, said heat passageway in said oven bottom communicating at one end with the gaseous fuel burner chamber and at its opposite end with the interior of said oven at the lower end thereof, an outlet in the oven chamber adjacent the upper end thereof, and the parts making up the double bottom of the oven having intimate contact with one another at a plurality of points within said flue passageway beneaththe oven chamber, for the purpose described.
8. In a combined coal and gas range, a range body having an oven chamber therein, a flue passageway at the under side of the said oven having communication with-the coal burner, a gaseous fuel burner chamber in the lower portion of said body and having a gaseous fuel burner therein, said oven chamber provided with a double bottom, portions of which are in intimate contact and portions of which are in separated relationship to form a flue passageway, said flue passageway extending from said gaseous fuel burner chamber acrossthe top of said first-named flue passageway beneath the oven and communicating with the oven chamber in the lower end thereof, and an outlet in the said oven chamber adjacent the upperend thereof.
9. In a combined coal and gas range, a range body having an oven chamber therein, a fine passageway for conducting the hot products of combustion of the coal burner around the oven chamber, a gaseous fuel burner chamber in the lower portion of said range body having a gaseous fuel burner therein, the oven bottom provided with a heat passageway having communication at one end with the gaseous fuel burner chamber and at its other end with the interior of the oven chamber at the lower end therof, a second heat passageway extending from the said gaseous fuel burner chamber and having communication with the interior of said oven chamber adjacent the upper end thereof, and said burner being a crossfire burner which directs tongues of flames in opposite direction whereby the hot products of combustion of certain of the flames are directed toward the heat passageway in the oven bottom and the hot products of combustion from the remaining flames toward the second heat passageway which is in communication with the upper end of the oven, and an outlet opening in the oven chamber adjacent the upper end thereof.
10. In a range, a body having an oven chamber therein, an elongated gaseous fuel burner chamber in the lower portion of said oven and having an elongated gaseous fuel burner therein, a. flue passageway extending from the upper portion of the oven chamber and communicating with the top of the burner chamber at one side thereof, a plurality of flue passageways extending from the opposite top side of the burner chamber and communicating with the lower portion of said oven chamber, said burner being a cross-fire burner, whereby the hot products of combustion of the flames at one sideof the burner are directed toward the heat passageway communicating with the upper portion of the oven chamber, while the hot products of combustion of the flames at the other side of the burner are directed towards the heat passageways communicating with the lower portion of the oven chamber, and an outlet opening in the oven chamber adjacent the upper end thereof.
1 1. In a range, a range body having therein an oven chamber, a gaseous fuel burner chamber with a gaseous burner therein positioned in the lower portion of said range body, said oven chamber provided with a double bottom having therein a heat passageway extending under the oven bottom, said heat passageway in said oven bottom communicating at one end with the gaseous fuel burner chamber and at its opposite end with the interior of said oven at the lower end thereof, and the parts making up the double bottom of the oven having intimate contact with one another at a plurality of points, for the purpose described.
12. In a range, a range body having an oven chamber therein, a gaseous fuel burner chamber in the lower portion of said body and having a gaseous fuel'burner therein, said oven chamber provided with a double bottom portions of which are in intimate contact and portions of which are in separated relationship to form aflue passageway, said flue passageway extending from said gaseous fuel burner chamber beneath the oven and communicating with the oven chamber in the lower end thereof and an outlet in the' having a gaseous fuel burner therein, the oven bottom provided with a.heat passageway having communication at one end with the gaseous fuel burner chamber and at its other end with the interior of the oven chamber at the lower end thereof, asecond 'heat passageway extending from the said gaseous fuel burner chamber and having communication with the interior of said oven chamber adjacent the upper end thereof, and said burner being a cross-fire burner which directs tongues of flames in opposite direction whereby the hot products of combustion of certain of the flames are directed toward the heat passageway in the oven bottom and the hot products of combustion from the remaining flames toward the second heat passageway which is in communication with the upper end of the oven,
and an outlet opening in the oven chamber.
14. In a range, a body having an oven chamber therein, an elongated gaseous i'uel burner chamber in the lower portion of said oven and having an elongated gaseousfuel burner therein, a flue passageway extending from the uper portion of the oven chamber and communicating with the top of the burner chamber at one side thereof, a flue passageway extending from the opposite side of the burner chamber and communicating with the lower portion of said oven chamber, and said burner being a cross-fire burner, whereby the hot products of combustion of the flames at one side of the burner are directed toward and into the heat passageway at one side of the burner chamber while the hot products of combustion of the flames at the opposite side of the burner are directed toward and into the heat passageway at the other side of the burner chamber.
ALMIER H. BRODBECK.
US169035A 1937-10-14 1937-10-14 Combination solid and gaseous fuel cooking range Expired - Lifetime US2141808A (en)

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Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2476067A (en) * 1944-02-26 1949-07-12 Rallston M Sherman Combined oil and gas range
US2539060A (en) * 1946-07-18 1951-01-23 Kalamazoo Stove & Furnace Co Cooking range
US20080190408A1 (en) * 2004-11-03 2008-08-14 Shih Kwang Hsu Cooking apparatus with burning drawers that may be removed and exchanged so that it can be fired by either natural gas, or wood or charcoal
US8061348B1 (en) * 2007-06-18 2011-11-22 Martin Rodriguez Fireplace oven

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2476067A (en) * 1944-02-26 1949-07-12 Rallston M Sherman Combined oil and gas range
US2539060A (en) * 1946-07-18 1951-01-23 Kalamazoo Stove & Furnace Co Cooking range
US20080190408A1 (en) * 2004-11-03 2008-08-14 Shih Kwang Hsu Cooking apparatus with burning drawers that may be removed and exchanged so that it can be fired by either natural gas, or wood or charcoal
US7832390B2 (en) 2004-11-03 2010-11-16 Shih Kwang Hsu Cooking apparatus with burning drawers that may be removed and exchanged so that it can be fired by either natural gas, or wood or charcoal
US8061348B1 (en) * 2007-06-18 2011-11-22 Martin Rodriguez Fireplace oven

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