US465228A - Range-boiler - Google Patents

Range-boiler Download PDF

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Publication number
US465228A
US465228A US465228DA US465228A US 465228 A US465228 A US 465228A US 465228D A US465228D A US 465228DA US 465228 A US465228 A US 465228A
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Prior art keywords
shell
boiler
heads
range
flanges
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    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24H—FLUID HEATERS, e.g. WATER OR AIR HEATERS, HAVING HEAT-GENERATING MEANS, e.g. HEAT PUMPS, IN GENERAL
    • F24H1/00—Water heaters, e.g. boilers, continuous-flow heaters or water-storage heaters
    • F24H1/18—Water-storage heaters
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24D—DOMESTIC- OR SPACE-HEATING SYSTEMS, e.g. CENTRAL HEATING SYSTEMS; DOMESTIC HOT-WATER SUPPLY SYSTEMS; ELEMENTS OR COMPONENTS THEREFOR
    • F24D3/00—Hot-water central heating systems
    • F24D3/08—Hot-water central heating systems in combination with systems for domestic hot-water supply
    • F24D3/082—Hot water storage tanks specially adapted therefor
    • F24D3/085—Double-walled tanks

Definitions

  • This invention relates to improvements in 1 that kind of boilers that are connected with the water-backs of ranges and cooking-stoves; and the object of my invention is to provide aboiler of this kind which is re-enforced and strengthened at the heads.
  • the invention consists in a range-boiler composed of a sheet-metal shell and sheetmetal heads, said shell being provided at the ends with exterior sheet-metal re-enforcing riu gs or bands that are doubled over with the edges of the shell to interlock with the flanges formed on the edges of the heads.
  • the invention also consists in a boiler composed of a shell and heads and of a base-ring connected with the edgesof the bottom head.
  • the boiler consists of the cylindrical shell or body A, a cap-shaped top head B, and
  • the cap-shaped bottom head 0, the top head having a greater curvature than the bottom head.
  • Said shell and heads may be made of copper, sheet-iron, or any other suitable sheet" metal.
  • the shell is provided a short distance from the end with an annular shoulder D, against which a re-enforcing ring E is placed, which ring is suitably brazed to the shell, so as to be held firmly and securely in place.
  • the end parts of the shell are turned outward to form the flanges a, and the edges of the heads are bent over to form the flanges b, that interlock with the flanges a.
  • a band of sheet metal F is placed around the exterior of the shell at each end and is brazed on said shell.
  • Said circular band F of sheet metal is bent over with the sheet metal of the shell in forming the flange a, as shown in the drawing, and it also interlocks with the flanges b of the heads.
  • the circular bands or sheet-metal rings F increase the thickness of the shell at the ends where the connection with the heads is made and thus re-entorce and strengthen the boiler at those points where thegreatest strength is required.
  • sheetmetal rings G made approximately U shaped in cross-section, are provided on the interior of the shell and brazed to the same.
  • the combination with a cylindrical shell, of top and bottom heads 1 and sheet-metal re-ent'orcing bands or rings placed around the shell at the ends and doubled over with'the ends of the shell to form flanges that interlock with the flanges of the heads, substantially as set forth.

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  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Water Supply & Treatment (AREA)
  • Control Of Steam Boilers And Waste-Gas Boilers (AREA)

Description

(No Model.)
V. WILHBLMI.
RANGE BOILER.
Z I L a 2 l g F 7 I Z J' a a WITNESSES. L l/VVE/VTO/w MM as co, PNO'TD-LITHQ, wnsumarou n UNITED STATES PATENT OFFICE.
- VALENTIN IVILHELMI, OF PATERSON, NEWV JERSEY.
RANGE-BOILER.
SPECIFICATION forming part of Letters Patent No. 465,228, dated December 15, 1891.
Application filed September 12 1891. Serial No. 405,509. (No model.)
, ers, of which the following is a specification.
This invention relates to improvements in 1 that kind of boilers that are connected with the water-backs of ranges and cooking-stoves; and the object of my invention is to provide aboiler of this kind which is re-enforced and strengthened at the heads.
The invention consists in a range-boiler composed of a sheet-metal shell and sheetmetal heads, said shell being provided at the ends with exterior sheet-metal re-enforcing riu gs or bands that are doubled over with the edges of the shell to interlock with the flanges formed on the edges of the heads.
The invention also consists in a boiler composed of a shell and heads and of a base-ring connected with the edgesof the bottom head.
In the accompanying drawing a vertical transverse sectional View of my improved boiler-range is shown.
The boiler consists of the cylindrical shell or body A, a cap-shaped top head B, and
. the cap-shaped bottom head 0, the top head having a greater curvature than the bottom head. Said shell and heads may be made of copper, sheet-iron, or any other suitable sheet" metal. At each end the shell is provided a short distance from the end with an annular shoulder D, against which a re-enforcing ring E is placed, which ring is suitably brazed to the shell, so as to be held firmly and securely in place. The end parts of the shell are turned outward to form the flanges a, and the edges of the heads are bent over to form the flanges b, that interlock with the flanges a.
The construction just described is fully set forth in my patent, No. 434,07 5, of August 12, 1890.
In order to re-enforce the end parts of the shell and to .form a more rigid connection between the shell and the heads, a band of sheet metal F is placed around the exterior of the shell at each end and is brazed on said shell. Said circular band F of sheet metal is bent over with the sheet metal of the shell in forming the flange a, as shown in the drawing, and it also interlocks with the flanges b of the heads. After the parts have been interlocked, as described, they are pressed firmly together by a turning operation on a lathe, and then the interlocking flanges are brazed together, so as to form an absolutely close and tight joint. The circular bands or sheet-metal rings F increase the thickness of the shell at the ends where the connection with the heads is made and thus re-entorce and strengthen the boiler at those points where thegreatest strength is required. To
prevent the collapsing of the boiler, sheetmetal rings G, made approximately U shaped in cross-section, are provided on the interior of the shell and brazed to the same.
Heretofore range-boilers have .been'placed upon supports in such a manner that the bottom of the boiler rested directly upon the support. The pressure of the weight of the boiler and the water therein on the ringa shaped support prevented the proper expansion and contraction of the bottom head of the boiler and frequently caused leaks. order to obviate this I provide a base-ringH, provided with an upwardly and outwardly curved flange H, that rests snugly against the edges of the bottom head, as shown, said base-ring H being suitably soldered to the bottom head. WVhen thus provided with the base H, the bottom head can contract and expand without causing any undue strain or leaks.
Having thus described my invention, I claim as new and desire to secure by Letters Patent- V,
In a range-boiler, the combination, with a cylindrical shell, of top and bottom heads 1 and sheet-metal re-ent'orcing bands or rings placed around the shell at the ends and doubled over with'the ends of the shell to form flanges that interlock with the flanges of the heads, substantially as set forth.
In testimony that I claim the foregoing as my invention I have signed my name in presence of two subscribing witnesses.
VALENTIN VVILHELMI.
' Witnesses:
OSCAR T. GUNz, MARION HALL.
US465228D Range-boiler Expired - Lifetime US465228A (en)

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