US524902A - William malam - Google Patents

William malam Download PDF

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US524902A
US524902A US524902DA US524902A US 524902 A US524902 A US 524902A US 524902D A US524902D A US 524902DA US 524902 A US524902 A US 524902A
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malam
william
side sheets
fire
fire box
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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
    • F22B13/08—Locomobile, traction-engine, steam-roller, or locomotive boilers without auxiliary water tubes inside the fire-box

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  • This invention relates to the construction of the fire boxes of steam boilers'of the 1000- motive type the principal object of the invention being to make a corrugated fire box and elevation of the same; Fig. 3 a half horizontal section and plan view, and Fig. 4 a modification of the same.
  • a represents the shell or outer casing of the boiler.
  • the corrugations run in a transverse direction and terminate flush in the same vertical plane with the side sheets 0 of the firebox.
  • the sides of the crown sheet are preferably provided with vertical flanges b by means of which they are riveted to the side sheets (see Fig. 2) so that separation of the crown sheet from the side sheets would necessitate the shearing of these rivets.
  • the bottom sheet d of the fire box is also preferably attached to the side sheets 0 in a similar manner.
  • the vertical corrugations formed in the body of the side sheets 0 are not made of the same depth from the top to the bottom but arewedge shaped as seen at Fig. 2 being of the full depth where they commence at or near the top, and gradually becoming shallower until. they disappear at or above the lowest line of rivets where the bottom sheet is connected so that there is little or no dimieach wedge shaped corrugation in the side sheets of the firebox, whereby I am enabled to dispense with the long stays fshown on Fig. 3.
  • a corrugated fire box of a locomotive type of boiler having vertical corrugations formed in the body of the side sheets, the said corrugations being wedge-shaped that is to say of the full depth at or near the top and gradually diminishing toward the line of grate bars so as to obtain the increased heating surface without diminishing the area of the fire-bars, substantially as hereinbefore described.

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  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Cookers (AREA)

Description

2 Sheets-Sheet 1.
(No Model.)
. W. MALAM. V FIRE BOX FQR STEAM BOILERS 0F LOGOMOTIVE TYPE. No. 524,902.
Patented Aug. 21, 1894.
{g4 mgr m: nonms ancns 00,. puoraumm, WASHINGTON o. c.
(No Model.) 2 sheets-sheet W. MALAM. FIRE BOX FOR STEAM BOILERS OI LOGOMOTIVE' TYPE. No. 524,902. Patented Aug. 21, 1894,
UNITED STATES PATENT OFFICE.
WVILLIAM MALAM, OF FAIRFIELD, ENGLAND.
FIRE-BOX FOR STEAM-BOILERS OF LOCOMOTIVE TYPE.
SPECIFICATION forming part of Letters Patent No. 524,902, dated August 21, 1894.
Application filed October 30,1893. Serial 110.489. 167. (No model.) Patented in England April 10, 1893, No. 7,305.
To all whom it may concern.-
Be it known that I, WILLIAM MALAM, a subject of the Queen of Great Britain and Ireland, residing at Fairfield, near Manchester, in the county of Lancaster, England, have invented Improvements in Fire-Boxes for Steam-Boilers of the Locomotive Type, (for which a patent was granted to me in Great Britain April 10, 1893, No. 7,305,) of which the followingis a specification.
This invention relates to the construction of the fire boxes of steam boilers'of the 1000- motive type the principal object of the invention being to make a corrugated fire box and elevation of the same; Fig. 3 a half horizontal section and plan view, and Fig. 4 a modification of the same.
a represents the shell or outer casing of the boiler.
In the crown sheet b of the fire box the corrugations run in a transverse direction and terminate flush in the same vertical plane with the side sheets 0 of the firebox. The sides of the crown sheet are preferably provided with vertical flanges b by means of which they are riveted to the side sheets (see Fig. 2) so that separation of the crown sheet from the side sheets would necessitate the shearing of these rivets. The bottom sheet d of the fire box is also preferably attached to the side sheets 0 in a similar manner.
The vertical corrugations formed in the body of the side sheets 0 are not made of the same depth from the top to the bottom but arewedge shaped as seen at Fig. 2 being of the full depth where they commence at or near the top, and gradually becoming shallower until. they disappear at or above the lowest line of rivets where the bottom sheet is connected so that there is little or no dimieach wedge shaped corrugation in the side sheets of the firebox, whereby I am enabled to dispense with the long stays fshown on Fig. 3.
I claim as my invention- 1. A corrugated fire box of a locomotive type of boiler having vertical corrugations formed in the body of the side sheets, the said corrugations being wedge-shaped that is to say of the full depth at or near the top and gradually diminishing toward the line of grate bars so as to obtain the increased heating surface without diminishing the area of the fire-bars, substantially as hereinbefore described.
2.. The combination of a corrugated fire box having vertical wedge shaped corrugations formed in the body of the side sheets, with a water space extending beneath the bottom of the said fire box, substantially as hereinbefore described.v
In testimony whereof I have signed. my name to this specification in the presence of two subscribing witnesses.
WILLIAM MALAM.
"Witnesses:
CHARLES A. DAVIES, .TNo. H UGHES.
US524902D William malam Expired - Lifetime US524902A (en)

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