US712776A - Spark-preventer for locomotive or other engines. - Google Patents

Spark-preventer for locomotive or other engines. Download PDF

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Publication number
US712776A
US712776A US7874601A US1901078746A US712776A US 712776 A US712776 A US 712776A US 7874601 A US7874601 A US 7874601A US 1901078746 A US1901078746 A US 1901078746A US 712776 A US712776 A US 712776A
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spark
locomotive
engines
preventer
wings
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US7874601A
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Dugald Drummond
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Priority to US7874601A priority Critical patent/US712776A/en
Priority to US7874601D priority patent/US712997A/en
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    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23J—REMOVAL OR TREATMENT OF COMBUSTION PRODUCTS OR COMBUSTION RESIDUES; FLUES 
    • 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

  • This invention which relates to devices for obviating the risk of damage to property by fire due to sparks carried by the blast or current of air and gases from the chimneys of locomotives and other engines, has for its object to provide an effective device whereby the live'embers are trapped and prevented from issuing from the smoke-stack.
  • FIG. 1 is a longitudinal section
  • Fig. 2 a transverse section, of the smoke-box of a locomotive to which the improved spark-preventer is applied.
  • Fig. 3 is a plan'of the spark-preventing device.
  • Figs. 4 and 5 are views similar to Figs. 1 and 2, showing a modi fied form of the spark-preventer; and
  • Fig. '6 is a part plan and part horizontal section of this particular form of the spark-preventing device.
  • I fit within the chimney A of the locomotive and extending downward to near the bottom of the smokebox B a tube 0, surrounding the exhaustpipe D.
  • This tube 0 is closed at its lower end, which fits closely upon the exhaust-pipe D, but has openings E in its sides, the combined areas of which openings are equal to the combined areas of the fire-tubes, so as to reduce the disturbance of the fuel in the firebox to a minimum.
  • Wings F are. fitted, as shown at Figs.
  • each of the openings E and extend transversely of the smoke-box these wings F being arranged to interceptthe direct passage of the gases from the fire-tubes to the chimney A, whereby the live embers carried by these gases are arrested and drop to the bottom of the smoke-box, the gases alone passing, as shown by the arrows, around and between the said wings to the openings E in the tube 0 and thence to the atmosphere.
  • This arrangement in no way interferes with the free flow of gases from the smoke-box, and the wings F are hinged or otherwise fitted so that they may be removed or turned out of the way when it is desired to clean the tubes.
  • the bottom plate F of the intercepting device is preferably hinged, so that it can be turned out of the way of the fire-tubes when it is desired to clean these, the bottom plate being provided With side wings F which in conjunction with the stationary wings form the passage for the firegases.
  • a spark-preventer for locomotive and other engines comprising, in combination with the engine-funnel, a tube fitted therein and closed at its lower end and embracing the exhaust-pipe, said tube having'openings in its sides, and wings or baffles attached to said tube along the vertical sidesof said openings transversely of the smoke-box, to prevent the direct passage of the fire-gases from the smoketubes to the chimney.
  • a spark-preventer for locomotive and other engines comprising, in combination with the engine-funnel, a tube fitted therein and closed at its lower end-and embracing the exhaust-pipe, said tube having openings in its sides, wings or baffles attached “to said tube along the vertical sides of said openings transversely of the smoke-box, and a bottom plate hinged to the wings or baffles near the exhaust-pipe, said plate being provided with side wings adapted to prevent the direct passage of the fire-gases from the smoke-tubes to the chimney.

Description

l 0 H 4 V o N d e t n B t a P l N 0 M M u R D U 6 7 Q 7 m N SPARK PREVENTEB FOR LOCOMOTIVE OR OTHER ENGINES.-
(Application filed Oct. 15, 1901.)
2 Sheets3heet I.
-- No. 7|2,77s. Patented Nov. 4, I902.
D. DRUMMOND.
SPARK PBEVENTER FOR LOGOMOTIVE BROTHER ENGINES.
(Application filed Oct. 15, 19 01.) (No Model.) 2 Sheets-Sheet},
we NORWSJETERS co. FNCITO-LITKQ. wnsnwa'rovq, o c.
UNIT D STATES PATENT OFFICE.
DUGALD DRUMMOND, OF SURBITON, ENGLAND.
SPARK-PREVEN'FER FOR LOCOMOTIVE OR OTHER ENGINES.
SPECIFICATION forming oart of Letters Patent No. 712,776, dated November 4., 1902.
Application filed October 16, 1901. Serial No. 78,746. (No model.)
J0 all whom, it may concern:
Be it known that I, DUGALD DRUMMOND, a subject of the King of the United Kingdom of Great Britain and Ireland, residing at South Bank Lodge, Surbiton, Surrey, England, have invented a certain new and useful Spark- Preventer for Locomotive or other Engines, (for which application for patent has been made in Great Britain, No. 13,769, dated July 6, 1901,) of which the following is a specificalion.
This invention, which relates to devices for obviating the risk of damage to property by fire due to sparks carried by the blast or current of air and gases from the chimneys of locomotives and other engines, has for its object to provide an effective device whereby the live'embers are trapped and prevented from issuing from the smoke-stack.
The invention is illustrated by the accompanying drawings, in which- Figure 1 is a longitudinal section, and Fig. 2 a transverse section, of the smoke-box of a locomotive to which the improved spark-preventer is applied. Fig. 3 is a plan'of the spark-preventing device. Figs. 4 and 5 are views similar to Figs. 1 and 2, showing a modi fied form of the spark-preventer; and Fig. '6 is a part plan and part horizontal section of this particular form of the spark-preventing device.
As shown by the drawings, I fit within the chimney A of the locomotive and extending downward to near the bottom of the smokebox B a tube 0, surrounding the exhaustpipe D. This tube 0 is closed at its lower end, which fits closely upon the exhaust-pipe D, but has openings E in its sides, the combined areas of which openings are equal to the combined areas of the fire-tubes, so as to reduce the disturbance of the fuel in the firebox to a minimum. Wings F are. fitted, as shown at Figs. 1, 2, and 3, along the vertical sides of each of the openings E and extend transversely of the smoke-box, these wings F being arranged to interceptthe direct passage of the gases from the fire-tubes to the chimney A, whereby the live embers carried by these gases are arrested and drop to the bottom of the smoke-box, the gases alone passing, as shown by the arrows, around and between the said wings to the openings E in the tube 0 and thence to the atmosphere. This arrangement in no way interferes with the free flow of gases from the smoke-box, and the wings F are hinged or otherwise fitted so that they may be removed or turned out of the way when it is desired to clean the tubes.
In the modification of the invention shown at Figs. 4, 5, and 6 the bottom plate F of the intercepting device is preferably hinged, so that it can be turned out of the way of the fire-tubes when it is desired to clean these, the bottom plate being provided With side wings F which in conjunction with the stationary wings form the passage for the firegases.
Having now described the invention, what I claim, and desire to secure by Letters Patent, is
1. A spark-preventer for locomotive and other engines, comprising, in combination with the engine-funnel, a tube fitted therein and closed at its lower end and embracing the exhaust-pipe, said tube having'openings in its sides, and wings or baffles attached to said tube along the vertical sidesof said openings transversely of the smoke-box, to prevent the direct passage of the fire-gases from the smoketubes to the chimney.
2. A spark-preventer for locomotive and other engines, comprising, in combination with the engine-funnel, a tube fitted therein and closed at its lower end-and embracing the exhaust-pipe, said tube having openings in its sides, wings or baffles attached "to said tube along the vertical sides of said openings transversely of the smoke-box, and a bottom plate hinged to the wings or baffles near the exhaust-pipe, said plate being provided with side wings adapted to prevent the direct passage of the fire-gases from the smoke-tubes to the chimney.
In witness whereof I have hereunto set my hand in presence of two witnesses.
DUGALD DRUMMOND.
Witnesses:
WALLACE FAIRWEATHER, JNo. ARMSTRONG, J R.
US7874601A 1901-10-15 1901-10-15 Spark-preventer for locomotive or other engines. Expired - Lifetime US712776A (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
US7874601A US712776A (en) 1901-10-15 1901-10-15 Spark-preventer for locomotive or other engines.
US7874601D US712997A (en) 1901-10-15 1901-10-15 Spark-preventer for locomotive or other engines.

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US7874601A US712776A (en) 1901-10-15 1901-10-15 Spark-preventer for locomotive or other engines.

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US712776A true US712776A (en) 1902-11-04

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