US115270A - Improvement in hot-air furnaces - Google Patents

Improvement in hot-air furnaces Download PDF

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US115270A
US115270A US115270DA US115270A US 115270 A US115270 A US 115270A US 115270D A US115270D A US 115270DA US 115270 A US115270 A US 115270A
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air
hot
improvement
tubes
same
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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, IN GENERAL
    • F24H3/00Air heaters having heat generating means

Description

TINITEDSTATES To all whom it may concern.-

I Be it known thatI, James M. BLAOKMAN, ,of Decorah, in the county of- Winneshiek and State of, Iowa, have: invented a new and Improved lElot-Air Furnacey and I do hereby dewclare the following is a full, clear, and exact description thereof, which will enable others skilled in the art tomake and use the same, reference being had to the accompanying drawing forming part of this specification, in

which- 1 a Figured represents avertical longitudinal section of my improved hot-air furnace, the line .90 a: in Fig. 2 indicating the plane of section. Fig. 2 is a vertical transverse section of thesame, the line 3 y in Fig. 1 indicating the plane of section. Fig. 3 is a horizontal section of the same, the line 2 z in Fig. 1 indicating the plane of section. i Similar? letters of reference indicate corresponding parts. a

This invention relates to a new hot-air furnace, which is so constructed that it canbe I regulated to" produce more or less heat with a givenquantity of fuel. and economize fuel to the utmost practical extent. The invention coni sists in a new general arrangement of smokepassages, air-pipes or openings, and coveringdomes, all the parts being connected in such a manner as to produce the desired effect.

j A in the drawing represents the fire-chamberof my. improved heater, the same being provided with a suitable grate, a, and fire-door b, of suitable eonstructionm The fire-chamber l i B,whence the smoke can finally escape through a flue,e, to thechimney. The flue d contains a damper, f, by which the escape of smoke through the stated channel can be arrested. gg are'vertical tubes extending from bottom to top of the fire-chamber along the sides of the same-thatlis to say, the said tubes are arranged intwo rows,one parallel with and a i short distance from either side of the chamber. a These tubes are open atboth ends and serve i is of cylindrical, prismatic, or other suitable, i 1 shape, supported on suitable legsbr standards JAMES M. BLAGKMAN, on DECORAH, IOWA.

IMPROVEMENT m Her-AIR FURNACES.

Specification forming part of Letters Patent No. 115,270,.dated May 30, 1871.

as'air-passages, being open to the air at their lower ends. Their upper ends lead to an airchamber which is formed around the upper part of 'the heater by a dome, O, placed over the same. D D are two horizontal smoke-chambers arranged above the sides of the chamber A, and connected, by short pipes h h, with those parts of the same which are bet-ween the tubes 9 and the sides of A, respectively. Flues iconnect the chambers D and B, as shown. When the damper f is closed the smoke will pass through the spaces between the several tubes g, heating the same, and then enter the .chambers D, by uhieh it is conducted to B, and can thence escape. The spaces between theseveral tubes g are about equal in area, taken all together, as the flue d. The air which passes through the tubes ginto the dome 'G becomes heated by the tubes 9 and smoke-chambers B and D, so that it can be utilized to heat the same room in which the heater is set up, or any other apartment to which such air may be conducted through a suitable pipe. E is another dome, placed over the dome 0, its lower edge resting on a horizontal flange, j, of the chamber A. An air-space is thus formed between the domes O and E, which is supplied with air through openings in the flange j. These openings can be closed or opened by means of perforated slides K. WVhenever the heat produced by the furnace and air-passages g is sufficient, the slides K are opened to let air into the dome E, so that the same will also be. heated by the hot dome O. The air thus oheated can be utilized in the same manner as that contained within the dome 0.

Having thus described my invention, I claim as new and desire to secure by Letters Patentchamber A, smoke-chambers B and -D, domes I G and E, and provided with-the air-tubes g Witnesses:

W. K. COLEMAN, W. E. RELF.

The hotair furnace composed of the fire=

US115270D Improvement in hot-air furnaces Expired - Lifetime US115270A (en)

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4232651A (en) * 1979-07-09 1980-11-11 Lind's Manufacturing Inc. Wood burning furnace
US20040207039A1 (en) * 2001-06-29 2004-10-21 Kabushiki Kaisha Toshiba Semiconductor device and method of manufacturing a semiconductor device
US20070073815A1 (en) * 2005-09-27 2007-03-29 Teamon Systems, Inc. Email server with proxy caching of message identifiers and related methods

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4232651A (en) * 1979-07-09 1980-11-11 Lind's Manufacturing Inc. Wood burning furnace
US20040207039A1 (en) * 2001-06-29 2004-10-21 Kabushiki Kaisha Toshiba Semiconductor device and method of manufacturing a semiconductor device
US20070073815A1 (en) * 2005-09-27 2007-03-29 Teamon Systems, Inc. Email server with proxy caching of message identifiers and related methods

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