US688845A - Furnace. - Google Patents
Furnace. Download PDFInfo
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- US688845A US688845A US6990901A US1901069909A US688845A US 688845 A US688845 A US 688845A US 6990901 A US6990901 A US 6990901A US 1901069909 A US1901069909 A US 1901069909A US 688845 A US688845 A US 688845A
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- air
- casing
- smoke
- flue
- furnace
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24H—FLUID HEATERS, e.g. WATER OR AIR HEATERS, HAVING HEAT-GENERATING MEANS, e.g. HEAT PUMPS, IN GENERAL
- F24H6/00—Combined water and air heaters
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- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
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Description
No. 688,845. Patented 000.17, I90l.
E. GARFIELD.
FURNACE.
(Application filed July 27, 1901.]
(Io Modem o o o I I I Snows/0 12 @Xhhwam Q I I a as v r I U attomwq price.
PATENT ELERY GARFIELD, OF ALGONA, IOWA.
FURNACE.
SPECIFICATION forming part of Letters Patent No. 688,845, dated December 17, 1901.
fierial No. 69,909. (No model.)
To all whom it may concern:
Be it known that I, ELERY GARFIELD, a citizen of the United States, and a resident of Algona, Kossuth county, State of Iowa, have invented certain new and useful Improvements in Furnaces; and my preferred manner of carrying out the invention is set forth in the following full, clear, and exact description, terminating with claims particularly specifying the novelty.
This invention relates to stoves and furnaces,and more especially to that class thereof which use hot air as a medium for heating remote apartments; and the objects of the same are to improve and cheapen the details of construction, to utilize as much as possible of the heat generated by the fire, to lessen the production of soot, and to adapt the furnace for heating water when desired.
To this end my invention consists in a furnace constructed substantially as hereinafter described and as shown in the accompanying drawings, wherein- Figure I is a central vertical section of this furnace complete. Fig. II is a cross-section of the same. Fig. III is a perspective view of the furnace with the casing removed.
Referring to the drawings, the numeral 1 designates a casing, which may be of metal or any good non-conductor of heat, and 2 designates the main flue leading from the casing and intended to convey hot air to the remote apartments in the building. Within this casing is located my improved furnace, wherein 3 is the ash-pit, having the usual door 4.. 5 is the grate above the ash-pit. 6 is the fire-box, having the usual door 7, and 8 is an inlettube extending downward through all the chambers and flues hereinafter described and admitting a blast of air directly upon the coals in the fire-box 6, which blast of air is heated in its descent in a manner which will be clear. In certain cases and when desired I locate a coil 9 above the fire-box and beneath the lowermost air-chamber, hereinafter described,"and through this coil may be passed water which is heated by the fire and can be conducted to a remote point for any purpose desired. The inlet and outlet pipes to and from this coil preferably lead through the rear of the casing 1, as best seen in Fig. I.
I Within and slightly remote from the sides of the casing are two upright side walls 10, as best seen in Fig. 11, and these are connected by horizontal and vertical walls or partitions, so as to form the chambers and flues. (Best seen in Fig. I.)
11 11 are the air-chambers, of which the lowermost and uppermost open toward the front of the casing and the intermediate one opens toward the rear.
12 is the smoke-flue, which passes in a tortuous course around the three air-chambers, leading first to the rear from the lire-box, as at 13, then upward behind the lowermost airchamber, then forward over this chamber and upward in front of the second air-chamber, then rearward over this chamber and upward in rear of the third air-chamber, and finally forward and into what I call the indirect draft 14, which communicates with the chimney 15. From the lowermost convolution of the smoke-flue at its front end I lead a direct draft, which is a pipe 16, passing forward through the casing l and thence upward, as at 17, and communicating with the chimney 15. The direct draft has a damper 18, whose handle is shown in Fig. III, and the indirect draft has a damper 19.
As above stated,the inlet-tube 8 passes downward through all the dues 12 and chambers 11, and the in flowing air therein thus receives its heat, while the pipes to and from the watercoil preferably pass inward through the rear of the casing, and the coil stands just beneath the lowermost air-chamber 11. All the chambers and flues stand slightly remote from the four side walls of the casing, and the uppermost flue is beneath its top, whereby the air has a free circulation entirely around the furnace proper, and when it isheated it is drawn off at 2 and piped to the rooms to be heated.
All parts are of the desired sizes, proportions, and materials, and changes in and additions to the details of construction may be made without departing from the principle of my invention.
l/Vhat I claim is- 1. In a furnace, the combination with the casing, and the ash-pit, grate, and fire-box within the lower portion thereof; of a smokeflue following a tortuous course from the up ICO per rear portion of the firebox, upward, thenceforward, thence upward, thence rearward,'thence upward, and finally again forward, an indirect-draft pipe leading from the upper extremity of this smoke-flue to the chimney, a direct-draft pipe leading from the lowermost forward bend of this smoke line also to the chimney, dampers in these draftpipes, and three air-chambers located respectively Within the bends of the smoke-flue and communicating alternately with the interior of the casing, all substantially as described.
2. In a furnace, the combination with the casing, and the ash-pit, grate, and fire-box Within the lower portion thereof; of a smokefiue following a tortuous course from the upper rear portion of the fire box, upward, thence forward, thence upward, thence rearward, thence upward, and finally again forward, an indirect-draft pipe leading from the upper extremity of this smoke-fine to the chimney, a direct-d raft pipe leading from the lowermost forward bend of this smoke-flue also to the chimney, three air-chambers located respectively within the bends of the smoke-flue and communicating alternately with the interior of the casing, and a freshair tube leading straight downward through all the smoke-fines and air-chambers and'delivering its blast of heated air directly onto the fire, all substantially as described.
8. In a furnace, the combination with the casing, and the ash-pit, grate, and fire-box within the lower portion thereof; of a smokeflue following a tortuous course from the upper rear portion of the fire-box, upward, thence forward, thence upward, thence rearward, thence upward, and finally again forward, an indirect-draft pipe leading from the upper extremity of this smoke-flue to the chimney, a direct-draft pipe leading from the eea lowermost forward bend of this smoke-flue also to'the chimney, three air-chambers located respectively withinthe bends of the smoke-flue and communicating alternately with the interior of the casing, and a watercoil located directly beneath the lowermost air-chamber with its inlet and outlet pipes leading rearward through the wall of the smoke-flue and the wall of the casin g, all substantially as described.
4. In a furnace, the combination with the casing, and the ash-pit, grate, and fire-box within the lower portion thereof; of a smokeflue following a tortuous course from the upper rear portion of the fire box, upward, thence forward, thence upward, thence rearward, thence upward, and finally again forward, an indirect-draft pipe leading from the upper extremity of this smoke-flue to the chimney, a direct-draft pipe leading from the lowermost forward bend of this smoke-fine also to the chimney, dampers in these draftpipes, three air chambers located respec tively within the bends of the smoke-flue and communicating alternately with the interior of the casing, a fresh-air tube leading straight downward through all the smoke-fines and air-chambers and delivering its blast of heated air directly onto the fire, and a water coil located directly beneathvthe lowermost airchamber with its inlet and outlet pipes leading rearward through the wall of the smoke flue and the wall of the casing, all substantially as described.
In testimony whereof I have hereuntosubscribed my signature this the 24th day of July, A. D. 1901.
Y ELERY GARFIELD.
\Vitnesses:
FRANK W. DINGLEY, JEssE L. 130mm.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US6990901A US688845A (en) | 1901-07-27 | 1901-07-27 | Furnace. |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US6990901A US688845A (en) | 1901-07-27 | 1901-07-27 | Furnace. |
Publications (1)
Publication Number | Publication Date |
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US688845A true US688845A (en) | 1901-12-17 |
Family
ID=2757387
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
US6990901A Expired - Lifetime US688845A (en) | 1901-07-27 | 1901-07-27 | Furnace. |
Country Status (1)
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US (1) | US688845A (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2533508A (en) * | 1946-05-24 | 1950-12-12 | Walter I Riu | Furnace for hot-air and water space heating with domestic water heater |
-
1901
- 1901-07-27 US US6990901A patent/US688845A/en not_active Expired - Lifetime
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2533508A (en) * | 1946-05-24 | 1950-12-12 | Walter I Riu | Furnace for hot-air and water space heating with domestic water heater |
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