US797227A - Tubular boiler. - Google Patents

Tubular boiler. Download PDF

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Publication number
US797227A
US797227A US26017605A US1905260176A US797227A US 797227 A US797227 A US 797227A US 26017605 A US26017605 A US 26017605A US 1905260176 A US1905260176 A US 1905260176A US 797227 A US797227 A US 797227A
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Prior art keywords
boiler
fire
parts
combustion
tubular boiler
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US26017605A
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Walter H A Robertson
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    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F22—STEAM GENERATION
    • F22B—METHODS OF STEAM GENERATION; STEAM BOILERS
    • F22B9/00—Steam boilers of fire-tube type, i.e. the flue gas from a combustion chamber outside the boiler body flowing through tubes built-in in the boiler body
    • F22B9/02—Steam boilers of fire-tube type, i.e. the flue gas from a combustion chamber outside the boiler body flowing through tubes built-in in the boiler body the boiler body being disposed upright, e.g. above the combustion chamber
    • F22B9/08—Steam boilers of fire-tube type, i.e. the flue gas from a combustion chamber outside the boiler body flowing through tubes built-in in the boiler body the boiler body being disposed upright, e.g. above the combustion chamber the fire tubes being in horizontal arrangement

Definitions

  • This invention relates to an improved tubular boiler for motor carriages, wagons, and other suitable purposes, and which is so arranged as to enable all the parts to be made cylindrical, thereby insuring uniform expansion with a combined increase in strength and proportionate decrease in weight, while at the same time the number of joints are materially reduced.
  • Figure 1 is a longitudinal section through the boiler, taken upon a line so as to illustrate one of the fire-tubes in section and one in elevation.
  • Fig. 2 is a cross-section through Fig. 1 on the line 1 2.
  • Fig. 3 is a cross-sectional elevation through Fig. 1 on the line 3 f.
  • Fig. i is a sectional plan illustrating the direction in which the heated gases pass.
  • the [ire-box A which may be either flat or domed, as shown, is arranged centrally with regard to the boiler B, which is cylindrical in shape and is provided with the end plates C, in which the ends of the fire-tubes D are fixed at a sufficient space from the outer end plates E to form a combustion-chamber at each end, each of which is divided into two parts F F by the divisions f
  • the fire-box A is connected with the parts F of the combustion-chambers by the large fire-tubes H, which are preferably corrugated,while the parts F of the combustion-chambers are connected to the jacketfiues J, which are in turn connected with the chimney K.
  • the blast-pipes L may be connected to any convenient parts of the combustionchamber, the blast consisting of either live steam or the exhaust from engine or feed-- water heater.
  • the outside casing forming the fines J may be lined with asbestos, while the tube-plates, which may be either fiat, concave, or convex, may be secured together by suitable stay and tie rods, such as N.
  • the feed-pipe, steamdelivery pipe, hand-hole M, and fire-door P may be arranged in positions most convenient for the particular vehicle in connection with which the boiler is required to be used.
  • a tubular boiler for motor carriages, wagons and other suitable purposes characterized by a fire-box surmounted by a cylindrical boiler having eombustion-chambers at opposite ends which are connected by [ire-tubes and which are each connected by a fire'tube to the fire-box, said combustion-chambers each being divided into two parts which are respectively connected with the fire-box and the fines to chimney in such a manner that the gases from the fire-box are divided and each part circulated in opposite directions through the large fire-tube, one part of the combustion-chamber, part of the smaller tubes and through the other part of the combustion: chamber to the fines, substantially as and for the purpose herein set forth.

Description

No. 797,227. PATENTED AUG. 15, 1905. W. 'H. A. ROBERTSON. TUBULAR BOILER.
APPLICATION FILED MAY 12, 1905.
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W. H, A. RUBERTSON.
TUBULAR BOILER APPLICATION FILED MAY 12, 1905.
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W. H A. ROBERTSON.
TUBULAR BOILER.
APPLIOATION FILED MAY 12, 1005.
-31 SHEETS-SHEET 3.
Witnesses I In Mentor" Wa/lLerHW/i. Robertson PATENTED AUG. 15, 1905.
W. H. A. ROBERTSON TUBULAR BOILER.
APPLIOATION FILED MAY 12, 1905.
In vent/or W wIterHAHOberISO n filly.
WALTER H. A. ROBERTSON, OF BOURNVILLE, ENGLAND.
TUBULAR BOILER.-
Specification of Letters Patent.
Patented Aug. 15, 1905.
Application filed May 12, 1905- Serial No. 260,176.
To all whom it many concern.-
Be it known that I, WALTER HENRY AN'ro NIO ROBERTSON, engineer, a subject of the King of Great Britain, residing at 129 Maryvale road,Bournville, in the county of l/Vorcester, England, have invented a new and useful Improved Tubular Boiler for Motor Carriages, Wagons, and other Suitable Purposes, (for which I have applied for a patent in Great Britain, Patent No. 2,290, bearing date February 6, 1905,) of which the following is a specification.
This invention relates to an improved tubular boiler for motor carriages, wagons, and other suitable purposes, and which is so arranged as to enable all the parts to be made cylindrical, thereby insuring uniform expansion with a combined increase in strength and proportionate decrease in weight, while at the same time the number of joints are materially reduced.
In order that this invention may be clearly understood and more easily carried into prac tice, I. have appended hereunto four sheets of drawings, upon which I have illustrated the nature of my said improvements.
Figure 1 is a longitudinal section through the boiler, taken upon a line so as to illustrate one of the fire-tubes in section and one in elevation. Fig. 2 is a cross-section through Fig. 1 on the line 1 2. Fig. 3 is a cross-sectional elevation through Fig. 1 on the line 3 f. Fig. i is a sectional plan illustrating the direction in which the heated gases pass.
In carrying this invention into effect the [ire-box A, which may be either flat or domed, as shown, is arranged centrally with regard to the boiler B, which is cylindrical in shape and is provided with the end plates C, in which the ends of the fire-tubes D are fixed at a sufficient space from the outer end plates E to form a combustion-chamber at each end, each of which is divided into two parts F F by the divisions f The fire-box A is connected with the parts F of the combustion-chambers by the large fire-tubes H, which are preferably corrugated,while the parts F of the combustion-chambers are connected to the jacketfiues J, which are in turn connected with the chimney K. It will be seen that by this arrangement the gases generated in the fire-box A are divided and pass in opposite directions through the fire-tubes H into the parts F of the combustion-chamber, from whence they pass through a portion of the tubes D into the other parts F of the combustion-chamber and thence to the jacket-fines J, any of the gases remaining passing away by the chimney K, by which means an even and perfect circulation of the heat gases and uniform expansion of the various parts are obtained throughout the boiler.
In the attachment of the boiler to the vehicle I prefer to interpose blocks of wood or other suitable material between the parts of the boiler "to be fixed and the parts of the vehicle to which it is attached, by which means the boiler-joints are relieved of a considerable proportion of the shock and vibration of the vehicle.
For effecting the more perfect combustion of the gases the blast-pipes L may be connected to any convenient parts of the combustionchamber, the blast consisting of either live steam or the exhaust from engine or feed-- water heater.
The outside casing forming the fines J may be lined with asbestos, while the tube-plates, which may be either fiat, concave, or convex, may be secured together by suitable stay and tie rods, such as N. The feed-pipe, steamdelivery pipe, hand-hole M, and fire-door P may be arranged in positions most convenient for the particular vehicle in connection with which the boiler is required to be used.
What I claim as my invention, and desire to secure by Letters Patent, is
A tubular boiler for motor carriages, wagons and other suitable purposes, characterized by a fire-box surmounted by a cylindrical boiler having eombustion-chambers at opposite ends which are connected by [ire-tubes and which are each connected by a lire'tube to the fire-box, said combustion-chambers each being divided into two parts which are respectively connected with the fire-box and the fines to chimney in such a manner that the gases from the fire-box are divided and each part circulated in opposite directions through the large fire-tube, one part of the combustion-chamber, part of the smaller tubes and through the other part of the combustion: chamber to the fines, substantially as and for the purpose herein set forth.
In witness whereof I have hereunto set my hand in the presence of two witnesses.
HALTER If. A. ROBER SON.
VVitn esses:
Fnnnnnrox ORUx'roN, l/Vnn'rnn H. E. l'iAI-LTLAM.
US26017605A 1905-05-12 1905-05-12 Tubular boiler. Expired - Lifetime US797227A (en)

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US26017605A US797227A (en) 1905-05-12 1905-05-12 Tubular boiler.

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