US843103A - Heating-stove. - Google Patents

Heating-stove. Download PDF

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Publication number
US843103A
US843103A US1904348290A US843103A US 843103 A US843103 A US 843103A US 1904348290 A US1904348290 A US 1904348290A US 843103 A US843103 A US 843103A
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Prior art keywords
fire
pot
stove
draft
space
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Expired - Lifetime
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Cornelis F A Roeell
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Roell Mfg Company
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    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24HEATING; RANGES; VENTILATING
    • F24BDOMESTIC STOVES OR RANGES FOR SOLID FUELS
    • F24B5/00Combustion-air or flue-gas circulation in or around stoves or ranges
    • F24B5/02Combustion-air or flue-gas circulation in or around stoves or ranges in or around stoves
    • F24B5/04Combustion-air or flue-gas circulation in or around stoves or ranges in or around stoves the air or gas passing downwards through the bottom of the stove of fire grate

Description

No. 843,103. PATENTED FEB. 5, 1907. 0. P. A. RUELL. HEATING STOVE.

APPLICATION FILED SEPT. 29, 1904. RENEWED DBO. 17,1906.

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PATENTED FEB. 5, 1907.

C. F. A. RGELL. HEATING STOVE. APPLIOATIOH FILED sEPT. 29, 1904. RENEWED nEo. 17,1906.

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No. 843,103. PATENTED FEB. 5, 1907. c. F. A. RGELL.

HEATING STOVE.

APPLIOATION FILED SEPT. 20, 1904. nnnnwnn mm. 11. 190B.

' s SHEETS-SHEET a.

UNITED STATES PATENT OFFICE.

CORNELIS F. A. ROELL, OF INDEPENDENCE, MISSOURI, ASSIGNOR TO ROELL MANUFACTURING COMPANY, OF INDEPENDENCE, MISSOURI,

A CORPORATION OF MISSOURI.

H EATING-STOVE.

Specification of Letters Patent.

Patented Feb. 5, 1907.

Application filed September 29,1904. Renewed December 17, 1906. Serial No. 348,290.

To [LI/Z 1072/0121, it may concern/.-

Be it known that I, ConNnLIs F. A. RonLL, a citizen of the United States, residing at Independence, in the county of Jackson and State of Missouri, have invented certain new and useful Improvements in Heating-Stoves and I do hereby declare the following to be a full, clear, and exact description of the invention, such as will enable others skilled in the art to which it appertains to make and use the same.

My invention is directed to improvements in heating-stoves of the type known as baseburners with revertible draft; and the objects of my improvements are to produce a high degree of heat in the lower part of the stove and to cause such combustion of the gases as to prevent black smoke.

The following description,read in connection with the accompanying drawings, will enable any one skilled in the art to which my invention relates to understand and con struct it in the form in which I prefer to employ it; but it will be understood that my invention is not limited to the precise form and details of construction hereinillustrated and described, as various modifications and changes may be made without exceeding the scope of the invention or the claims in which it is set out.

Referring to the drawings, Figure 1 represents a view in perspective of a stove embodying my improvements. Fig. 2 is a vertical section of the same, taken through one of the external revertible Ilues, taken on the line 2 2 of Fig. 1. Fig. 3 is a horizontal section taken through the line a l) of Fig. 2, showing the direction of the base-draft. Fig. 4. is a horizontal section taken through the firezone space, showing the pair of external revertible flues at the front. Fig. 5 shows modifications of the fire-zone ring.

1 is the fire-pot, which contains and feeds the coal to the grate 2, and between these is an annular space 3, into which all the drafts lead and from which the revertible draft takes its course to the base of the stove. The feed-door opens into the fire-pot, and a register 5 in this door supplies air for the combustion above the grate and for the descending draft through fire-pot and the fire. The lire-pot flares upward and terminates in an overhanging edge 6, by which it is supported and suspended upon the inner walls of the casing.

Surrounding the fire-pot is a chamber 7, and below the feed-door is a register 8, which supplies air to said chamber, wherein it is highly heated by contact with the fire-pot walls. The fire-zone space 3, wherein all the drafts meet, is formed by upper, lower, and intermediate ringplatos, the upper member 9 of which is supported above the lower end of the lire-pot and has the form of an inverted frustum of a cone and forming an annular space 10 between it and the lower edge of the lire-pot, thereby having the function of a funnel to direct the hot air from the hot-air chamber 7 into the fire-Zone space, where it contributes to the perfect combustion of the gases. The lower member 12 of these ringplates serves to support the grate, while the third member 11 forms a section of the casing and incloses the fire-zone space, so that there shall be only an exit, as a direct draft, from this fire-Zone space to the revertible flues into the base-flue, for it is important not to interrupt the direction of the draft in its revertiblc course from the fire-zone space, which is continuous around the lower edge of the fire-pot. This grate-supporting member is itself supported upon the walls of the casing and has the form of an inverted frustum of a cone, forming thereby a sunken seat for the grate, so that the latter forms the bottom of the fire-zone space directly beneath the fire-pot.

Referring to the upper, lower, and inter mediate ring-plates, it will be noted that either the upper or the lower ring-plate may be formed separate from the intermediate ring-plate or both may be formed integral therewith, in which case the intermediate ring-plate is made in sections, the upper and the lower ring-plates in either case being sep arable and all the ring-plates when assembled forming a fire-zone space.

The ash-pit 13 has the usual door 14 and register 15 for the updraft for the grate, and below the ash-pit is a base-draft flue 16, provided with deflecting-plates 17 to distribute the hot draft over the whole lower part to insure the largest radiation. The lower edge of the lire-zone space extends around the firepot, and that part of its wall which forms a continuation of the wall of the casing has openings 18, preferably a pair, at its front, with which revertible flues 19 connect and stand off or set out from the stove-casing and open into the base-draft flue. The wallopenings 18 are between the ring-plate 9 of the fire-zone space and the grate-supporting ring-plate, so as to give a free and unobstructed eXit 20 from the fire-zone space into the revertible flues.

The smoke-exit pipe 21 leads from the base at the rear of the stove and has the usual damper 22 opening into the combustion chamber to give a direct-draft entrance into the smoke-exit pipe. When this damper is closed, the products of combustion are caused to pass down through the fire. The walls of the base have doors 23 for access to clean the base-draft iiues. The upward draft through the grate will cause the fuel in the grate and in the lower part of the fire-pot to remain ignited, while the upward air-currents and the downward air-currents will meet in the firezone space between the grate and the lower end of the fire-pot to effect a total combustion of the fuel on the grate. I prefer that the grate and the lower end of the fire-pot be of the same area, so that the ring-plate on which the grate is seated will prevent the draft from passing outside of the grate into the fire-Zone space, which would hinder the revertible draft. This is important because the draft within and through the fire-Zone space is laterally from the rear side of the stove directly to the revertible flues at the front and an ascending cold-air draft at the point where the draft descends would interfere very much with the function of the firezone space in delivering a large volume of intensely-heated air directly to the base of the stove, where it is most effective.

The advantage of having the revertible fiues set out from the stove-casing is that the downdraft, laden with the highest heat, is delivered in a large volume direct from the firezone space through the wall-openings into the set-out revertible flues and delivered therefrom into the base-flue.

While I have shown and described the revertible flues as at the front of the stove, obviously they may be placed at the rear or at the side, so long as they cause the draft through the fire-zone space from one side only of the stove to the other and from a firezone space practical y closed at all points around the grate and the fire-pot except at the revertible flue-openings.

An important matter of my invention is that the supply to the air-chamber is controlled by a single register and its location just above and between the revertible flues, so that the cold-air inlet is in immediate volume into the revertible flues. The basetion to the fire-Zone space and to the annular exit-space 10 of the air-chamber and allows the convenient removal of the fire-pot to remove and replace the upper plate of the firezone space. The overhanging walls of the fire-pot, while serving to close the top of the hot-air chamber, also serves to close the bottom of the combustion-chamber at the top of the fire-pot.

Referring to Fig. 5, the provision of the separate ring-plates assembled upon each other for forming the fire-Zone space gives the advantage of convenient removal and replacement in repairing the stove, as all the parts can be separately fitted directly to the top and bottom sections of the stove-casing, which for this purpose is made of two separate and distinct parts joined at the grate.

I claim 1. In a heating-stove, an inclosing casing, a fire-pot, agrate, upper, lower and intermediate ring-plates assembled and forming a fire-zone space surrounding the lower end of the fire-pot, revertible flues into which said fire-zone space opens, and an airchamber having an air-inlet in the casing and an outlet opening into said fire-zone space.

2. In a heating-stove, an inclosing casing, a fire-pot, an upper ring-plate above the lower edge of the firepot, a lower ring-plate supporting the grate and means for closing the space between said ring-plates forming a fire-zone space, revertible fines set out from the wall-casing and into which the fire-zone space opens, and an air-charnber having an air-inlet in the casing and an outlet-opening formed by the fire-pot and said upper ringplate.

3. In a heating-stove, an inclosing casing, a fire-pot, a grate, upper, lower and intermediate ring-plates assembled and forming a fire-zone space surrounding the lower end of the fire-pot, the fire-pot wall and said upper ring-plate and the said casing forming an air-chamber having an air-inlet and opening into the fire-zone space, a base-draft flue, a pair of revertible flues set out from the casing and opening into the fire-Zone space and into the base-draft flue, the air-inlet to said chamber being immediately above the upper ring and between the pair of revertible flues.

4. In a heating-stove, the inclosing casing, a grate, upper, lower and intermediate ringplates assembled and forming a fire-Zone space, and a fire-pot freely suspended by its ICC upper flaring edge upon the inner Walls of mediate ring-plates assembled and forming a said casing and termlnating below and within fire-zone space surrounding the lower edge of the inner edge of said upper ringplate. the fire-pot, and revertible fiues connecting I 5 5. In a heating-stove, a casing, a grate, a said fire-zone space with the base-draft. 5 fire-pot, upper, lower and intermediate ring- In testimony whereof I have signed my plates assembled and forming a fire-zone name to this specification in the presence of space surrounding the lower edge of the firetwo subscribing witnesses.

pot, a base-draft flue and a pair of revertible fiues the latter opening directly into the fire- CORNELIS ROELL' 10 zone space and into said base-draft flue. Witnesses:

6. In a heating-stove, a casing, a grate, a J. E. HAINEs,

fire-pot, a base-draft, upper, lower and inter- HARRY Ross.

US1904348290 1904-09-29 1904-09-29 Heating-stove. Expired - Lifetime US843103A (en)

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4397293A (en) * 1980-05-21 1983-08-09 Thierry Pibernat Heating apparatus comprising a heat recovery apparatus
US8161959B1 (en) 2010-01-12 2012-04-24 O'reilly Paul D Wood burning furnace
US9273869B1 (en) 2013-08-05 2016-03-01 Paul D. O'Reilly Wood burning furnace

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4397293A (en) * 1980-05-21 1983-08-09 Thierry Pibernat Heating apparatus comprising a heat recovery apparatus
US8161959B1 (en) 2010-01-12 2012-04-24 O'reilly Paul D Wood burning furnace
US9273869B1 (en) 2013-08-05 2016-03-01 Paul D. O'Reilly Wood burning furnace

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