US506054A - Locomotive-boiler - Google Patents

Locomotive-boiler Download PDF

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US506054A
US506054A US506054DA US506054A US 506054 A US506054 A US 506054A US 506054D A US506054D A US 506054DA US 506054 A US506054 A US 506054A
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water
boiler
leg
conduit
pipes
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    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F22—STEAM GENERATION
    • F22B—METHODS OF STEAM GENERATION; STEAM BOILERS
    • F22B13/00—Steam boilers of fire-box type, i.e. the combustion of fuel being performed in a chamber or fire-box with subsequent flue(s) or fire tube(s), both chamber or fire-box and flues or fire tubes being built-in in the boiler body
    • F22B13/06—Locomobile, traction-engine, steam-roller, or locomotive boilers
    • F22B13/10—Locomobile, traction-engine, steam-roller, or locomotive boilers with auxiliary water tubes inside the fire-box

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  • This invention relates to that class of locomotive boilers in which provision is made for the rapid circulation of water from the lower forward portion of the boiler to the lower portion of the water-leg, for the purpose of insuring the passage of the maximum quantity of water through the water-leg, and therefore the maximum rapidity of heating and steam generating.
  • My present invention has for its object to simplify and reduce the cost of the means employed for producing the desired result, and to enable said result to be produced without the employment of any external additional parts, and without the formation of orifices in the shell of the boiler or in the external wall of the water-leg.
  • the invention consists in the combination with a locomotive boiler and its water-leg of a sectional conduit formed to ex tend along the bottom of the boiler from the forward end thereof to the front wall of the water-leg, and pipes detachably secured to the rear end of said conduit and extending downwardly to a point near the bottom of the front portion of the water-leg, two of said pipes being arranged so that their lower ends will be in position to .deliver the water that passes through them into the side portion of the water-leg, while another pipe (there may be one or more) delivers water at the lower portion of the front wall of the water-leg, at or near the center thereof, said conduit and pipes being located wholly within the boiler and water leg and adapted to be applied to the boiler without making any structural change inthe boiler or water-leg, all of which I will now proceed to describe.
  • Figure 1 represents a longitudinal section-0f a portion of a locomotive boiler provided with my improvement.
  • Fig. 2 represents a section on line 22, Fig. 1, looking toward the right.
  • Fig. 3 represents a perspective view of the conduit and pipes.
  • a represents alocomotive boiler, having the usual water-leg b, communicating with the rear portion of the boiler as usual.
  • conduit 0 composed of two or more sections detachably connected by means of bolts a passing through ears 0 on the sections.
  • Said conduit extends from the front lower portion of the boiler backwardly to the front wall of the water-leg, and is open at its front end and closed at its'rear end, so that they extend down nearly to the bottom of the water-leg, each pipe being open at both ends, and constituting a conduit adapted to conduct water from the forward lower portion of the boiler to the top of the front portion of the water-leg.
  • the intermediate pipe (1 is carried downwardly to the lower portion of the water-leg, and delivers water at or near the center of the front wall of the water-leg. There may be more than one of the intermediate pipes 01 if desired.
  • sectional conduit 0 and the pipes 61 d d may be applied to the boiler and water leg of a locomotive of ordinary construction, without making any change in the construction of the boiler and water-leg, so that my improvement enables old boilers to be readily fitted with means for increasing the rapidity of the circulation of water, the sectional construction of the conduit enabling it to be readily inserted in an old boiler by assembling and connecting the sections within the boiler, While the detachable connection of the pipes to the conduit enables the pipes to be set in place after the conduit has been applied.
  • the pipes may be detachably secured to the conduit by means of screws or bolts passing through flanges f formed on the pipes or by any other suitable means.
  • I claim r l The combination with a locomotive boiler and its water-leg, of a conduit extending 1ongitudinally of the boiler along the bottom of the same from the forward portion to the front portion of the water-leg, and pipes connected with the rear of said conduit and extended to the lower portion of the water-leg,

Description

(N9 Model.)
- W. B. MACK v LOGOMOTIVE BOILER.
No. 506,054. Patented Oct. 3-,- 1.893.
4-. l A Q f \fAf/IZNEIESEZSI p lNvBNTuFB #8. a:
' UNrTED STATES PAT NT QFFICE.
WILLIAM B. MACK, OF BOSTON, MASSACHUSETTS.
LOCOMOTIVE-BOILER.
SPECIFICATION forming part of Letters Patent No. 506,054, dated October 3, 1893.
Application filed February 1, 1893. Serial No. 460,603. (No model.)
To aZZ whom it may concern:
Be it known that 1, WILLIAM B. MACK, of East Boston, in the county of Suffolk and State of Massachusetts, have invented certain new and useful Improvements in Locomotive- Boilers, of which the following is a specification.
This invention relates to that class of locomotive boilers in which provision is made for the rapid circulation of water from the lower forward portion of the boiler to the lower portion of the water-leg, for the purpose of insuring the passage of the maximum quantity of water through the water-leg, and therefore the maximum rapidity of heating and steam generating.
In Letters Patent No. 487,535, granted to me December 6, 1892, I have shown means for providing for the passage of water from the forward portion of the boiler directly to the lower portion of the front side of the water-leg, said means comprising a conduit adapted to conduct water between the two points specified, portions of said conduit being applied to the exterior-of the boiler and water-leg, so that the construction involves not only the formation of orifices in the external shell of the boiler and in the exterior wall of the water-leg, but also external connecting devices or parts. 7
My present invention has for its object to simplify and reduce the cost of the means employed for producing the desired result, and to enable said result to be produced without the employment of any external additional parts, and without the formation of orifices in the shell of the boiler or in the external wall of the water-leg.
To these ends, the invention consists in the combination with a locomotive boiler and its water-leg of a sectional conduit formed to ex tend along the bottom of the boiler from the forward end thereof to the front wall of the water-leg, and pipes detachably secured to the rear end of said conduit and extending downwardly to a point near the bottom of the front portion of the water-leg, two of said pipes being arranged so that their lower ends will be in position to .deliver the water that passes through them into the side portion of the water-leg, while another pipe (there may be one or more) delivers water at the lower portion of the front wall of the water-leg, at or near the center thereof, said conduit and pipes being located wholly within the boiler and water leg and adapted to be applied to the boiler without making any structural change inthe boiler or water-leg, all of which I will now proceed to describe.
Of the accompanying drawings, forming part of this specification, Figure 1 represents a longitudinal section-0f a portion of a locomotive boiler provided with my improvement. Fig. 2 represents a section on line 22, Fig. 1, looking toward the right. Fig. 3 represents a perspective view of the conduit and pipes.
The same letters of reference indicate the same parts in all the figures.
In the drawings: a represents alocomotive boiler, having the usual water-leg b, communicating with the rear portion of the boiler as usual.
In carrying out my invention, I place at the bottom of the boiler a conduit 0 composed of two or more sections detachably connected by means of bolts a passing through ears 0 on the sections. Said conduit extends from the front lower portion of the boiler backwardly to the front wall of the water-leg, and is open at its front end and closed at its'rear end, so that they extend down nearly to the bottom of the water-leg, each pipe being open at both ends, and constituting a conduit adapted to conduct water from the forward lower portion of the boiler to the top of the front portion of the water-leg.
To the rear portion of the sectional conduit c are detachably secured pipes d d d which extend downwardly to points near the bottom of the front part of the water-leg and consti tute outlets from the conduit, the pipes d 61' being extended outwardly in opposite directions from the conduit as shown in Figs. 2 and 3, so that the streams of water delivered by said pipes into the water-leg will pass directly into the side portions of the water-leg, thus insuring a suitable supply of water for said side portions, and preventing the liability of steam being formed therein, to the detriment of the inner walls of the water-leg. The intermediate pipe (1 is carried downwardly to the lower portion of the water-leg, and delivers water at or near the center of the front wall of the water-leg. There may be more than one of the intermediate pipes 01 if desired.
It will be seen that the sectional conduit 0 and the pipes 61 d d may be applied to the boiler and water leg of a locomotive of ordinary construction, without making any change in the construction of the boiler and water-leg, so that my improvement enables old boilers to be readily fitted with means for increasing the rapidity of the circulation of water, the sectional construction of the conduit enabling it to be readily inserted in an old boiler by assembling and connecting the sections within the boiler, While the detachable connection of the pipes to the conduit enables the pipes to be set in place after the conduit has been applied. The pipes may be detachably secured to the conduit by means of screws or bolts passing through flanges f formed on the pipes or by any other suitable means.
I claim r l. The combination with a locomotive boiler and its water-leg, of a conduit extending 1ongitudinally of the boiler along the bottom of the same from the forward portion to the front portion of the water-leg, and pipes connected with the rear of said conduit and extended to the lower portion of the water-leg,
tachably secured to one end of said conduit and extending at an angle therewith, as set forth.
In testimony whereof I have signed my name to this specification, in the presence of two subscribing witnesses, this 20th day of January, A. D. 1893.
WILLIAM B. MACK. Witnesses:
C. F. BROWN, A. D. HARRISON.
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