US862142A - Heating-furnace. - Google Patents

Heating-furnace. Download PDF

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Publication number
US862142A
US862142A US33853506A US1906338535A US862142A US 862142 A US862142 A US 862142A US 33853506 A US33853506 A US 33853506A US 1906338535 A US1906338535 A US 1906338535A US 862142 A US862142 A US 862142A
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Prior art keywords
chamber
dome
fire pot
air
smoke
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US33853506A
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Nelson W Dimpsey
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LEWIS C HAMMER
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LEWIS C HAMMER
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Priority to US33853506A priority Critical patent/US862142A/en
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    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24HEATING; RANGES; VENTILATING
    • F24HFLUID HEATERS, e.g. WATER OR AIR HEATERS, HAVING HEAT-GENERATING MEANS, e.g. HEAT PUMPS, IN GENERAL
    • F24H3/00Air heaters

Description

PATENTED AUG. 6, 1907.
N. W. DIMPSEY. HEATING FURNACE.
APPLIOATION FILED 00112. 1906.
2 SHEETS-SHEET 1.
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'PATENTED AUG. 6, 1907.
N. W'. DIMPSEY. HEATING FURNACE.
APPLICATION FILED 00112. 1906.
2 SHEETS-SHEET 2.
HVVENTOR.
.W/T/VESSES.
THE Nonms PETER! cm, Wunmaran b t UNITED STATES PATENT oEEroE.
NELSON W. DIMPSEY, OF PORTAGE, WISCONSIN, ASSIGNOR OF ONE-HALF TO LEWIS O. HAMMER, OF DETROIT, MICHIGAN.
HE ATING-FURNACE Specification of Letters Patent.
Patented Aug. 6, 1907.
Application filed October 12, 1906. Serial No- 338,535.
To all whom it may concern:
Be it known that I, NELSON W. DIMrsEY, a citizen of the United States of America; residing at Portage, in p hot gases and products of combustion will be caused to circulate so as to give off their heat and in circulating to pass around the perforated fire pot and be ignited by the flame jets issuing from said perforations, thus being consumed in the furnace and giving off additional heat.
It is also an object of the invention to provide means for mixing a sufficient quantity of air with the gases and products of combustion so that they will readily ignite and to so construct and arrange the fines that the draft may be accurately regulated to give the most efficient. operation. I
A further object of the invention is to provide a furnace having certain other new and useful features and the several advantages of the particular construction, arrangement and combination of parts shown, all as hereinafter more fully described, reference being had to the accompanying drawings, in which Figure 1, is a vertical section of a device embodying the invention; Fig. 2, a horizontal section of the same on the line rcn: of Fig. 1; Fig. 3, is a vertical section on the line yy of Fig. 4; and Fig. 4, is a horizontal section on the line z-z of F 3.
Like numerals refer to like parts in all of the figures.
l is a suitable circular base section forming the ash pit 2 having a clean out door 3 in its front side. Supported upon their base section is the fire pot A which is in the form of an inverted truncated cone in the lower end of which is supported the grate 5 and upon the upper or large end of which is secured the fire door section or dome 6, the upper end of which is arched slightly and forms an extended radiating surface 7.
The sides of the fire pot are formed with perforations 8 and surrounding the pot and inclosing said perforations is a smoke chamber 9 into one side of which opens the lower end of the smoke pipe 10 and the side and top wall of which chamber give an extended heat radiating surface.
A fuel chute 11 closed by a door 12 opens into the front side of the fire door section and supported upon said section is a circular radiator or hot air chamber 13 of larger diameter than the dome of the fire pot and having a series of holes 14 in its bottom outside the dome for the admission of air thereto.
Upon the air chamber is a ring-shaped smoke chamber 15 having an axial opening or passage 16 to permit the hot air in the air chamber below to pass freely out.
Connecting the top of the fire door section or dome 6 and the bottom of the smoke chamber is a smoke flue 17 to conduct the hot products of combustion and gases into said chamber and a short smoke pipe 18 connects the rear side of said smoke chamber with the vertically extending portion of the smoke pipe 10 to give a direct draft and in said pipe 18 is provided a damper 19 to close the same. i
In the smoke pipe opposite the pipe 18 is provided the ordinary form of check damper 20 and the smoke radiator or chamber 15 is provided. with the usual clean-out opening 21. Connecting the bottom of said radiator 15 with the top of the smoke consuming chamber 9 are two fiues 22, one at each side of the fuel chute 11 to conduct the products of combustion downward around the fire pot when the damper 19 is closed and opening through the side of the fire door section are two air-blast pipes 23 provided with dampers 24 to regulate the inlet of air.
In the bottom of the smoke consuming chamber 9 is a channel 25 projecting downward into the ash pit a short distance and provided with a series of openings in its bottom adapted to be closed by a revoluble ring 26 having openings to correspond with the openings in the channel and provided with a handle 27 extending outward through the side of the ash pit by means of which the ring may be turned. The whole structure is inclosed by the usual outer sheet metal casing or jacket 28 from the top of which the several air pipes 29 lead to the rooms to be heated and into the bottom of which cold air is admitted through a pipe 30.
The products of combustion and gases rising from the burning fuel in the fire pot pass directly upward through the flue 17 into the smoke radiator and out through the pipe 18 when the damper 19 is open thus giving a direct draft, but when said damper is closed, the smoke and gases circulate through said radiator heating its walls very hot and pass downward again through the flues 22 into the consuming chamber 9 around the fire pot. Small jets of flame will shoot out through the perforations in the fire pot and when the partially cooled gases and products of combustion enter the chamber the gases are at once ignited by these flames and smoke partially consumed, the residue passing out through the smoke pipe 10. The combustion thus carried on in the chamber 9 together with the heat radiating from the fire pot which is preferably made thin, heats the walls of said chamber very hot and the cold air entering through the inletpipe 30 in passing over the extended suriace of said Walls is rapidly heated, and passes upward through the perforations 14 into the air chamber 13 when it is further heated by passing over the superheated dome of the fire pot and escapes upward through the opening 16 in the smoke radiator, the walls of which are heated by the products of combustion.
Air is admitted to the fire pot through the pipes 23 to mix with the products of combustion and gases so that when they reach the consuming chamber they will readily ignite and burn, and by moving the ring damper 26 in the bottom of said chamber, air is admitted from the ash pit to cool the chamber and check the fire, this damper also serving to let any ashes which may have accumulated in the chamber, fall into the ash pit.
Having thus fully described the invention, what I claim is i. In a heater, the combination of a fire pot having openings in its sides and closed at its upper end, a chamber surrounding the fire pot and inclosing the openings, a smoke pipe communicating with said chamber, and means for conducting the products of combustion and gases from the upper end of the fire pot to the said chamber.
In a heater. the combination of a fire pot having openings in its sides. and closed at its upper end, a radiating chamber above. the fire pot in communication With the upper end thereof to receive the products of combustion and gases therefrom, a consuming chamber surrounding the fire pot and communicating with said radiating chamher, and a smoke pipe communicating with said consuming chamber.
3. In a heater, the combination of a fire pot having the form of an inverted truncated cone and formed with openings in its sides, a dome to close the upper end of said fire pot, a flue leading upward from said dome, a consuming chamber surrounding the fire pot and covering the openings therein, a smoke pipe communicating with said consuming chamber, a line leading upward from said chamber, and a radiating chamber connecting said fines.
4. In a heater, the combination of a fire pot having openings in its sides, a consuming chamber surrounding saidfire pot, a smoke pipe opening into said chamber and extending upward, a radiating chamber above the fire pot, flucs connecting the upper ends of the fire pot and the con suming chamber with the radiating chamber, a short smoke pipc connecting the radiating chamber with the other smoke pipe, and a damper in the short pipe.
5. In a heater, the combination with a fire pot having openings, of a dome section to close the upper end of the fire pot, a consuming chamber surrounding the fire pot, a smoke pipe leading from said chamber, an air chamber supported by the dome and having openings in its bottom, a radiating chamber supported by the air chamber and having a central opening for the passage of the air from the air chamber, fines extending through the air chamber and connecting the dome and the consuming chamber with the radiating chamber. and a short smoke pipe having a damper connecting the radiating chamber and the smoke pipe.
ii. In a heater, the combination with a fire pot having openings in its sides, of a dome to close the upper end of the fire pot. a radiating chamber above the dome, a smoke tlue connecting the dome and chamber, a consuming chamber surrounding the fire pot, a smoke pipe opening into the consuming chamber, a fine connecting the consuming chamher with the radiating chamber, and an air pipe opening intothe dome.
7. In a heater, the combination or an ash pit section, an inverted truncated conical fire pot supported by the ash pit section and having openings in its sides, a grate in the bottom of said pot, a dome to close the upper end of the pot and provided With a fire door, an air chamber on the dome of greater diameter than the dome and havingopenings in its bottom outside said dome, a radiating chamber on the air chamber having a center opening for the pas sage of: air from the air chamber, a fine connecting the dome and radiating chamber, air pipes provided with dampers opening into the dome, a consuming chamber surrounding the fire pot, a fine connecting the radiating chamber and consuming chamber, a smoke pipe communicating with the consuming and radiating chambers, and a damper to prevent communication between said pipe and radiating chamber.
8. In a heater, the combination of an ash pit section, a [ire pot supported by said section and provided with per forations, a dome section on the fire pot provided with a fire door, an air chamber of greater diameter than the dome provided with openings in its bottom outside the dome, a radiating chamber having a central opening for the passage of air from the air chamber, a consuming chamber surrounding the fire pot and having a channel in its bottom provided with openings, a revoluble damper to close said openings, a smoke pipe opening into the con suming chamber, fiues connecting the top of the consuming chamber with the bottom of the radiating chamber, a fine connecting the top of the dome with the bottom of the radiating chamber, a short smoke pipe connecting the radiating chamber with the smoke pipe, a damper in said short pipe, and a casing inclosing the sections.
In testimony whereof I aifix my signature in presence of two witnesses.
NELSON \V. DIMPSEY.
Witnesses Lnwis C. Haurmn, (Two 1 BAR'IT-IEL.
US33853506A 1906-10-12 1906-10-12 Heating-furnace. Expired - Lifetime US862142A (en)

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5285738A (en) * 1991-10-17 1994-02-15 Mountain Home Development Company Pellet burning heating device
US10995945B2 (en) * 2017-08-10 2021-05-04 United States Stove Company Biomass pellet combustion system

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5285738A (en) * 1991-10-17 1994-02-15 Mountain Home Development Company Pellet burning heating device
US10995945B2 (en) * 2017-08-10 2021-05-04 United States Stove Company Biomass pellet combustion system

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