US480630A - Charles smith - Google Patents
Charles smith Download PDFInfo
- Publication number
- US480630A US480630A US480630DA US480630A US 480630 A US480630 A US 480630A US 480630D A US480630D A US 480630DA US 480630 A US480630 A US 480630A
- Authority
- US
- United States
- Prior art keywords
- door
- furnace
- frame
- smoke
- air
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
Links
- 230000015572 biosynthetic process Effects 0.000 description 6
- 238000002485 combustion reaction Methods 0.000 description 6
- 238000005755 formation reaction Methods 0.000 description 6
- 239000000446 fuel Substances 0.000 description 6
- 239000000779 smoke Substances 0.000 description 6
- 239000007789 gas Substances 0.000 description 4
- 239000011324 bead Substances 0.000 description 2
- 238000010276 construction Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 239000001301 oxygen Substances 0.000 description 2
- MYMOFIZGZYHOMD-UHFFFAOYSA-N oxygen Chemical compound O=O MYMOFIZGZYHOMD-UHFFFAOYSA-N 0.000 description 2
- 229910052760 oxygen Inorganic materials 0.000 description 2
- 230000001105 regulatory Effects 0.000 description 2
Images
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23M—CASINGS, LININGS, WALLS OR DOORS SPECIALLY ADAPTED FOR COMBUSTION CHAMBERS, e.g. FIREBRIDGES; DEVICES FOR DEFLECTING AIR, FLAMES OR COMBUSTION PRODUCTS IN COMBUSTION CHAMBERS; SAFETY ARRANGEMENTS SPECIALLY ADAPTED FOR COMBUSTION APPARATUS; DETAILS OF COMBUSTION CHAMBERS, NOT OTHERWISE PROVIDED FOR
- F23M9/00—Baffles or deflectors for air or combustion products; Flame shields
- F23M9/02—Baffles or deflectors for air or combustion products; Flame shields in air inlets
Definitions
- the object of this invention is to provide an improved device to be used in connection with boiler and other furnaces, whereby a more perfect combustion is effected than is possible under the ordinary arrangement, and thereby prevent the formation of smoke.
- A represents a boiler; A, the inclosing wall; A the line of the grate-bars; A the combustion-chamber; A, the ash-pit, and A the ash-pit door.
- This invention relates more especially to the construction of a furnace-door in such a manner as to admit a volume of atmospheric air therethrough and at the same time to govern and regulate such admission as will afford the best results.
- the furnacedoor B consists of the frame part 0 and the adjustable valve door D, inclosed by the frame part.
- the frame part is hinged to the boiler-front and opens outwardly therefrom in the usual manner.
- the upper edge of the adjustable door D is hinged, as at a, to the downwardly-proj ecting plate a, formed on or secured to the inclosing frame.
- This suspended door opens inwardly along the line of the lower edge, as shown, so that the volume of air admitted is deflected onto the dead-air plate a and passes into the furnace on a line with the grate-bars.
- the valve-door D fits closely within its inclosing frame and when closed shuts tightly against the head 1), formed onthe interior surface of the frame part. This door when closed assumes a vertical po sition.
- the inner end of the lever-handle E is properly secured to the door D and provides the required means for adjusting said door for the admission of a greater or less volume of air.
- This lever is provided along its lower edge with a number of notches d, which are adapted to engage with the outer edge of the door-frame and lock the door in any position it may be set in governing the admission of air to the furnace.
- a steam-jet pipe F leads into the furnace just over the door and terminates on a line with the front end of the grate-bars.
- the inner or discharge end of this pipe has a slight downward curve, as at g, so as to meet and unite with the volume of air flowingin through the valve-door on the surface of the fuel.
- a furnace door 0 comprising a frame part and a valve-door inclosed within the frame and closely fitting its interior, said door being hinged at its upper edge to the door-frame and opening inwardly at the bottom and provided with means for 5 lockin g its lower edge in any desired position, substantially as described.
- a furnace door oomprising a frame part having a bead on its lnner surface and a valve-door inclosed within the frame and closely fitting its interior and adapted to shut tightly against the head, said door being hinged at its upper edge to the door-frame and opening inwardly at the bottom and provided with means for locking.
Description
(No Model.)
. 0. SMITH.
SMOKE PREVBNTER.
No. 480,630. Patented Aug. 9, 1892.
- UNITED STATES "PATENT OF ICE.
CHARLES SMITH, OF CHICAGO, ILLINOIS, ASSIGNOR OF ONE-HALF TO \VILLIAM R. MILLS, OF SAME PLACE.
SMOKE-PREVENTER.
SPECIFICATION forming part of Letters Patent No. 480.630, dated August 9, 1892.
Application filed July 2, 1891- Serial No. 398,267. (No model.)
To all whom it may concern:
Be it known that 1, CHARLES SMITH, a citizen of the United States, residing at Chicago, in the county of Cook and State of Illinois, have invented certain new and useful Improvements in Smoke-Preventers, of which the following is a full, clear, and exact description, that will enable others to make and use the same, reference being had to the accompanying drawings, forming a part of this specification, in which- Figure 1 is a broken-away longitudinal section of a boiler-furnace embodying my improved features; and Fig. 2, a view in perspectige of a furnace-door, looking at the inner s1 e.
The object of this invention is to provide an improved device to be used in connection with boiler and other furnaces, whereby a more perfect combustion is effected than is possible under the ordinary arrangement, and thereby prevent the formation of smoke.
Referring to the drawings, A represents a boiler; A, the inclosing wall; A the line of the grate-bars; A the combustion-chamber; A, the ash-pit, and A the ash-pit door.
This invention relates more especially to the construction of a furnace-door in such a manner as to admit a volume of atmospheric air therethrough and at the same time to govern and regulate such admission as will afford the best results. In the present case the furnacedoor B consists of the frame part 0 and the adjustable valve door D, inclosed by the frame part. The frame part is hinged to the boiler-front and opens outwardly therefrom in the usual manner. The upper edge of the adjustable door D is hinged, as at a, to the downwardly-proj ecting plate a, formed on or secured to the inclosing frame. This suspended door opens inwardly along the line of the lower edge, as shown, so that the volume of air admitted is deflected onto the dead-air plate a and passes into the furnace on a line with the grate-bars.- The valve-door D fits closely within its inclosing frame and when closed shuts tightly against the head 1), formed onthe interior surface of the frame part. This door when closed assumes a vertical po sition. The inner end of the lever-handle E is properly secured to the door D and provides the required means for adjusting said door for the admission of a greater or less volume of air. This lever is provided along its lower edge with a number of notches d, which are adapted to engage with the outer edge of the door-frame and lock the door in any position it may be set in governing the admission of air to the furnace. By having the valve-door hinged at its upper edge and made to open or swing inwardly at the bottom provision is made whereby the air passing into the furnace is brought in contact with the fuel at the exact point where a fresh supply of oxygen is required to produce a more energetic combustion, and thereby prevent the forma tion of smoke.
It is well known that dense volumes of smoke-gases once generated cannot be ignited and consumed. The formation of such gases must, therefore, be prevented by employing means that will effect a more perfect combustion. A steam-jet pipe F leads into the furnace just over the door and terminates on a line with the front end of the grate-bars. The inner or discharge end of this pipe has a slight downward curve, as at g, so as to meet and unite with the volume of air flowingin through the valve-door on the surface of the fuel.
It is not always necessary to make use of the steam-jet or to use it continuously. This will be regulated greatly by the variable conditions of the atmosphere and the character of the fuel. The quantity of air to be admitted through the furnace or valve door will also be governed by the same conditions.
Having thus described my invention, what I claim as new, and desire to secure by Letters Patent, is-
1. In a smoke-preventer, a furnace door 0 comprising a frame part and a valve-door inclosed within the frame and closely fitting its interior, said door being hinged at its upper edge to the door-frame and opening inwardly at the bottom and provided with means for 5 lockin g its lower edge in any desired position, substantially as described.
2. In a smokepreventer, a furnace door oomprising a frame part having a bead on its lnner surface and a valve-door inclosed within the frame and closely fitting its interior and adapted to shut tightly against the head, said door being hinged at its upper edge to the door-frame and opening inwardly at the bottom and provided with means for locking.
its lower edge in any desired position, substantialiy as described.
CHARLES SMITH.
Witnesses:
L. M. FREEMAN, L. B. COUPLAND.
Publications (1)
Publication Number | Publication Date |
---|---|
US480630A true US480630A (en) | 1892-08-09 |
Family
ID=2549482
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
US480630D Expired - Lifetime US480630A (en) | Charles smith |
Country Status (1)
Country | Link |
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US (1) | US480630A (en) |
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0
- US US480630D patent/US480630A/en not_active Expired - Lifetime
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