US21687A - Spark-arrester - Google Patents
Spark-arrester Download PDFInfo
- Publication number
- US21687A US21687A US21687DA US21687A US 21687 A US21687 A US 21687A US 21687D A US21687D A US 21687DA US 21687 A US21687 A US 21687A
- Authority
- US
- United States
- Prior art keywords
- sparks
- pipe
- steam
- spark
- arrester
- 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
- 239000000779 smoke Substances 0.000 description 12
- 238000002485 combustion reaction Methods 0.000 description 4
- 230000003137 locomotive Effects 0.000 description 4
- 239000000203 mixture Substances 0.000 description 4
- 206010022000 Influenza Diseases 0.000 description 2
- 235000002912 Salvia officinalis Nutrition 0.000 description 2
- 240000003670 Sesamum indicum Species 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 2
- 238000010276 construction Methods 0.000 description 2
- 239000000446 fuel Substances 0.000 description 2
- 230000000414 obstructive Effects 0.000 description 2
- 230000001846 repelling Effects 0.000 description 2
- 235000002020 sage Nutrition 0.000 description 2
- 239000001296 salvia officinalis l. Substances 0.000 description 2
Images
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23J—REMOVAL OR TREATMENT OF COMBUSTION PRODUCTS OR COMBUSTION RESIDUES; FLUESÂ
- F23J15/00—Arrangements of devices for treating smoke or fumes
- F23J15/02—Arrangements of devices for treating smoke or fumes of purifiers, e.g. for removing noxious material
- F23J15/022—Arrangements of devices for treating smoke or fumes of purifiers, e.g. for removing noxious material for removing solid particulate material from the gasflow
Definitions
- Figure l is a central vertical section of my improved spark-arrester.
- Fig. 2 is a transverse section taken in the plane of the line A., B.
- My invention consists in a peculiar arrangement of devices by which the sparks are entirely consumed and ground up as it were, beforethey can leave the smoke pipe and at the same time, the steam allowed a. free passage every time the engine exhausts.
- the importance of thus providing for the removal of the sparks and also securing an unobstructed passage for the exhaust steam will be manifest to every person skilled in the construction and use of locomotive engines, and are results which have never before been successfully attained.
- the arrangement of devices which I employ consists of what is termed by engineers, a petticoat pipe (communicating with the exhaust pipes,) formed of a series of short tapering pipes slightly overlapping each other but not in immediate contact, surrounded by a wire gauze or other similar device, the whole being inclosed by a smoke pipe of enlarged diameter.
- a petticoat pipe communicates with the exhaust pipes, formed of a series of short tapering pipes slightly overlapping each other but not in immediate contact, surrounded by a wire gauze or other similar device, the whole being inclosed by a smoke pipe of enlarged diameter.
- a in the drawings represents the outer smoke-pipe which incloses the whole sparkarresting apparatus.
- a pettcoat pipe composed of a series of tapering tubes b b, &c., overlapping each other and stayed together but leaving a space between their outer circumferences as shown in the drawings.
- the bottom of the tapering petticoat pipe is connected to the exhaust tubes of the engine by two openings c c so that the exhaust steam will pass without any obstruction whatever directly up through it and escape at the top.
- the petticoat pipe is inclosed by a cylinder of wire gauze or meshes d das shown in the drawings and the sparks and other unconsumed products of combustion pass between this wire net work and the outer smoke pipe a a.
- the upward passage of the exhaust steam partially exhausts the air in the petticoat pipe and thereby produces a varying or intermittent draft, which as before stated, first attracts the sparks, &c. against the wire net-work d d and then releases them, this alternate attracting and repelling of the sparks taking place every time.
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Exhaust Gas After Treatment (AREA)
Description
UNITED STATES PATENT OFFICE.
JOSEPH MARKS, OF BOSTON, MASSACHUSETTS.
SPARK-ARRESTER.
Speccaton of Letters Patent No. 21,687, dated October 5, 1858.
To all whom t may concern:
Be it known that I, .IosnrH MARKS, of Boston, in the county of Suffolk and State of Massachusetts, have invented certain new and useful Improvements in Spark-Arresters for Locomotive-Engines, and that the following description, taken in connection wit-h the accompanying drawings hereinafter referred to, forms a full and exact specification of the same, wherein I have set forth the nature and principles of my said improve-ments, by which my invention may be distinguished from all others of a similar class, together with such parts as I claim and desire t-o have secured to me by Letters Patent.
The figures of the accompanying plate of drawings, represent my improvements.
Figure l is a central vertical section of my improved spark-arrester. Fig. 2 is a transverse section taken in the plane of the line A., B.
In the ordinary smoke pipe of a locomotive the exhaust steam and sparks and other unconsumed products of combustion pass out together it being necessary however that the steam should be somewhat retarded in its passage in order to retain the sparks until they are partially consumed although it has been found impossible to successfully accomplish this result by the arrangement of smoke pipes usually employed. The re tarding of the escape of steam of course produces a back pressure upon the piston of the engine and increases the consumption of fuel.
My invention consists in a peculiar arrangement of devices by which the sparks are entirely consumed and ground up as it were, beforethey can leave the smoke pipe and at the same time, the steam allowed a. free passage every time the engine exhausts. The importance of thus providing for the removal of the sparks and also securing an unobstructed passage for the exhaust steam will be manifest to every person skilled in the construction and use of locomotive engines, and are results which have never before been successfully attained.
The arrangement of devices which I employ consists of what is termed by engineers, a petticoat pipe (communicating with the exhaust pipes,) formed of a series of short tapering pipes slightly overlapping each other but not in immediate contact, surrounded by a wire gauze or other similar device, the whole being inclosed by a smoke pipe of enlarged diameter. By this combination of devices the steam has a clear passage out and the draft which is produced every time the engine exhausts, will lift the sparks and keep them in continual motion between the inside of the outer smoke-pipe and the rough surface of the wire-gauze, the passage of the steam upward through the petticoat pipe producing an intermittent draft which alternately draws the sparks to and releases them from the wire gauze which prevents their escape until they are ground up or mostly consumed.
a in the drawings represents the outer smoke-pipe which incloses the whole sparkarresting apparatus. Within the pipe a a is a pettcoat pipe composed of a series of tapering tubes b b, &c., overlapping each other and stayed together but leaving a space between their outer circumferences as shown in the drawings. The bottom of the tapering petticoat pipe is connected to the exhaust tubes of the engine by two openings c c so that the exhaust steam will pass without any obstruction whatever directly up through it and escape at the top.
The petticoat pipe is inclosed by a cylinder of wire gauze or meshes d das shown in the drawings and the sparks and other unconsumed products of combustion pass between this wire net work and the outer smoke pipe a a. The upward passage of the exhaust steam partially exhausts the air in the petticoat pipe and thereby produces a varying or intermittent draft, which as before stated, first attracts the sparks, &c. against the wire net-work d d and then releases them, this alternate attracting and repelling of the sparks taking place every time.
the engine exhausts, until they are as it were entirely pulverized or else consumed. In consequence no sparks can escape into the atmosphere and no reaction of the exhaust steam can take place the importance of which results will be apparent as a greater amount of draft is produced with a given amount of steam. V
In order to protect that portion of the wire net-work which is in front of the boiler flues from the force of the sparks striking upon it, I use a short, perforated metallic shield, e, which extends about half way around the base of the wire net-work so that the sparks will first, strike this shield and then pass around the same until when taken by the Wire net-Work as before eX- sage is secured for the exhaust steam, an 10 planed. intermittentJ` draftv is produced upon the Having thus described my improvements7 outer surface of the Wire net-Work, which I shall state my claim as follows: pulverzes the sparks and retains them unf 5 What I claim as my invention and desire til they are consumed, as set forth.
to have secured to me by Letters Patent, is JOSEPH MARKS.
The combination of the petticoat pipe, Witnesses: the surrounding Wire net-Work and the JOSEPH GAVETT,
smoke pipe, whereby While a free exit pas- ALBERT W. BROWN.
Publications (1)
Publication Number | Publication Date |
---|---|
US21687A true US21687A (en) | 1858-10-05 |
Family
ID=2087631
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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US21687D Expired - Lifetime US21687A (en) | Spark-arrester |
Country Status (1)
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US (1) | US21687A (en) |
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- US US21687D patent/US21687A/en not_active Expired - Lifetime
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