US2121473A - Range - Google Patents

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Publication number
US2121473A
US2121473A US78924A US7892436A US2121473A US 2121473 A US2121473 A US 2121473A US 78924 A US78924 A US 78924A US 7892436 A US7892436 A US 7892436A US 2121473 A US2121473 A US 2121473A
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Prior art keywords
oven
passage
duct
flue
range
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Expired - Lifetime
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US78924A
Inventor
Jesse W Barker
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Jesse W Barker
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Priority to US78924A priority Critical patent/US2121473A/en
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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
    • F24C15/00Details
    • F24C15/32Arrangements of ducts for hot gases, e.g. in or around baking ovens

Description

June 21, 1938, J. w. BARKER RANGE Filed May 9, 1936 2 Sheets-Sheet l villi/10111111!!!Ill/ 111! III 'IIIIIII III'I;
Ma mm ATTORNEYS Jqne 21, 1938. w, BARK R 2,121,473
RANGE Filed May 9, 1936 2 sheets-sheet 2 IIIIIIIIIfl/a INVENTOR .ksse W. Bark)? ATTORNEYS Patented June21, 1938 UNITED STATES PATENT OFFICE RANGE V g Jesse W. Barker, Geneva, N. Y. Application May 9', 1936, Serial No. 78,924
2 Claims.
This invention relates to improvements in combination oil and gas ranges and has for its principal object to provide a flue system which will greatly increase the oven heating capacity and efiiciency of the hot air and gases circulating therethrough.
Other objects and advantages of the invention will be understood as the description is conwhich Figure 1 is a top plan view of a stove embodying the invention;
Figure 2 is a front elevation of the stove shown in Figure 1;
Figure 3 is a fragmentary view taken on the line 3-3 of Figure 2 illustrating the bypass for direct exhaust of gases to the flue during initial heating of the oven;
Figure 4: is a partial end elevation; Figure 5 is a section on the line Lt of Figure 1; and
Figure 6 is a section on the line t--fi of Figure 5.
Referring more particularly to the drawings, i denotes a combination oil and gas range comprising iront and rear walls t and 3, side or end walls t and 5 and a top t. The range is provided with the usual top gas burners i, four in number, arranged within a burner compartment 18, beneath the burner openings i in the top wall 6, grids 9 being seated in these openings. The compartment 8 extends above and is spaced from. the top wall iii of an oven it, thus forming an upper space between its bottom wall and the top wall of the oven extending across the top of the oven for the passage of the hot air and gases. This space is subdivided into two top passages or ducts i3 and it by a vertically disposed partition wall IS. The top burners are controlled by valves l2, and gas is supplied to the burners from a manifold, not shown.
Suitably supportedin an ollburner compartheat from the oil burners ll. Drippings fromthe burners arev caught in a tray 21.
An oven gas burner 20' is located beneath the bottom wall of the oven for 'use in case it is not desirable to use the oil burners, or where additional' heat for the oven is required. This burner is located in a bottom duct 2! formed by the. space between the bottom of the oven and the bottom wall 22 of the range I, and receives gas from a. supply pipe 28, connected with a manitold, not shown.
An opening 23, in the rear Wall 3 of the range, and positioned directly beneath the top thereof, communicates with the upper end of a back conduit 2%, which extends downwardly at an angle along the rear wall 3 and communicates at its lowerend with a bottom duct 2!. This duct M is also in communication with the lower end of a vertically disposed side duct or conduit 25 which in turn communicates at its upper end with the duct or space l3, previously described as occupying the space between the top of the oven and the bottom of top gas burner box or compartment 8. The duct 25 occupies the space between one side wall of the oven and the side wall t of the range. Hot gases entering duct it from duct 25, escapes through an exit opening 26 formed in the back of the range and leading from the duct or space it to a stack or flue 3t.
When oil burners ii are initially lighted a sliding damper 29 normally closing openings 3i], in division wall i5 is manually opened by means of a. rod 3!. This permits the hot expanding gases rising from the oil burner box or compartment Hi, to pass from the narrow top duct through openings 30 and across a. considerable top area of the oven before escaping to the flue. As a result the top of the oven is quickly heated and this in turn creates a natural draft which causes the gases to flow in a manner about to be described, after the damper 29 has been closed. 7
Assuming that oil burners ii are burning and that damper 29 has been closed after the initial operation just described, the hotgases will be drawn downwardly through the duct 24 by the draft previously created. As the hot gases emerge from the lower end of duct 24 into bottom passage or duct 2i, extending underneath the oven H, a bafile plate .32 causes the gases to sweep forwardly in a wide curving course before passing from the duct 2|, into the lower end of side duct 25, thus insuring contact with and heating of the entire bottom area of the oven.. From the right side of duct 2!, the direction of flow is upwardly through duct 25 and thence in-y wardly through duct 13, where a bafile plat 33 causes the gases to sweep across the top of th oven to andthrough flue opening. 26. r 1 I From the foregoing it will be seen that the hot gases can be passed directly to the flue across a considerable top areaoi the oven, by opening the damper 29, and that after initially heating the oven and promoting a drait through opening 24 to the flue 34, the course or the gas can be I changed to flow downwardly through the conduit 24 by the shortest possible route, along the rear 01' the oven at one side thereoi' and thence underneath the oven, and finally upwardly along the other side and over the top to the flue. The hottest gases thusreach by the most direct and quickest route, the side of the oven remote from the fire box It and the bottom of the oven, the portions to which it is desired to convey the greatest heat. While I have illustrated the conduit 24 as extending downwardly and to one side noted that by running the down draft flue or duct 24 directly down the back of the range, or substantially in that direction, then under the oven, up the back, end oi 'the range, then over the back section oi top into the outlet flue 34, it is possible to locate the gas burner under the oven.
in the passage 2|, directly at the bottom oi. the down draft flue or duct 24. This flue 24, in addition to carrying heat from the oil burners to the bottom of the oven, also furnishes the air for the oven gas burner 20'. In prior dual oven range constructions with which we are familiar, the gas burner is located in the oven through a well in the bottom of the oven, the air being furnished through this well. It is also common practice to bring the primary air in through a tube. This necessitates the use of a bailie plate in the bottom of the oven, whereas according to the present invention, this is unnecessary because ample air is supplied to the gas burner through the flue 24.
.Having thus described my invention:
What I claim is:
' 1. A range comprising a casing, a fire box therein at one end, a heater in said fire box, an oven within the casing and in contact with the fire box at one end, and having a passage across the top, a passage at one end and a passage across the bottom, said passages communicating and forming a continuous passage, the upper passage communicating with the fire box, a damper controlling the communication between the firebox and upper passage, a flue communicating with the upper end of the fire box and extending diagonally downwardly and communicating with the bottom passage adjacent the fire box at one side and the upper passage communicating with a flue approximately midway its ends.
2. A range comprising a casing, a fire box therein at one end, a heater in said fire box, an oven within the casing and in contact at one end with the fire box and having a passage across the top, a passage at one end Opposite the fire box .and a passage at the bottom forming a continuous passage from the fire box under the bottom and around the end and across the top to and communicating with the fire box, a damper controlling the communication between the upper passage and the fire box, a down fiue communicating with the upper end of the fire box and extending diagonally downwardly and communicating with the bottom passage adjacent the tire box, a bame plate in the bottom passage intermediate its ends to cause a zigzag passage from the down flue to the end passage and a flue connected to the upper passage approximately midway its ends.
JESSE W. BARKER.
US78924A 1936-05-09 1936-05-09 Range Expired - Lifetime US2121473A (en)

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2513407A (en) * 1944-10-18 1950-07-04 Esson Edwin Cookstove
US2557496A (en) * 1944-10-14 1951-06-19 American Stove Co Range
US2642060A (en) * 1946-12-13 1953-06-16 Newark Stove Company Oil range and tank

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2557496A (en) * 1944-10-14 1951-06-19 American Stove Co Range
US2513407A (en) * 1944-10-18 1950-07-04 Esson Edwin Cookstove
US2642060A (en) * 1946-12-13 1953-06-16 Newark Stove Company Oil range and tank

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