US1061174A - department of commerce - Google Patents

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Publication number
US1061174A
US1061174A US1061174DA US1061174A US 1061174 A US1061174 A US 1061174A US 1061174D A US1061174D A US 1061174DA US 1061174 A US1061174 A US 1061174A
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United States
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commerce
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notice
rtem
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    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F22—STEAM GENERATION
    • F22B—METHODS OF STEAM GENERATION; STEAM BOILERS
    • F22B23/00—Water-tube boilers built-up from sets of spaced double-walled water tubes of return type in unilateral abutting connection with a boiler drum or with a header box, i.e. built-up from Field water tubes comprising an inner tube arranged within an outer unilaterally-closed tube
    • F22B23/04—Water-tube boilers built-up from sets of spaced double-walled water tubes of return type in unilateral abutting connection with a boiler drum or with a header box, i.e. built-up from Field water tubes comprising an inner tube arranged within an outer unilaterally-closed tube the water-tube, i.e. Field-tube, sets being vertical or substantially vertical
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23B—METHODS OR APPARATUS FOR COMBUSTION USING ONLY SOLID FUEL
    • F23B1/00—Combustion apparatus using only lump fuel
    • F23B1/02—Combustion apparatus using only lump fuel for indirect heating of a medium in a vessel, e.g. for boiling water
    • F23B1/04—External furnaces, i.e. with furnace in front of the vessel
    • F23B1/06—External furnaces, i.e. with furnace in front of the vessel for heating water-tube boilers, e.g. Tenbrink flue furnaces
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23B—METHODS OR APPARATUS FOR COMBUSTION USING ONLY SOLID FUEL
    • F23B2700/00—Combustion apparatus for solid fuel
    • F23B2700/01—Combustion apparatus for solid fuel adapted for boilers built up from sections

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  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Management, Administration, Business Operations System, And Electronic Commerce (AREA)
  • Financial Or Insurance-Related Operations Such As Payment And Settlement (AREA)

Description

U.S. DEPARTMENT OF COMMERCE PATENT OFFICE Washington, D.C. 20231 WITHDRAWN PATENT NOTICE PATENT NUMBER Notice: There are occasionally numbers in the sequence of United States Patents for whi no patent issued. The number printed above, which you requested, is one of these numbers. A
returned herewith. remittance tendered for this rtem rs Credited to your account FORM P -QiB -1266)
US1061174D department of commerce Expired - Lifetime US1061174A (en)

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Publication Number Publication Date
US1061174A true US1061174A (en) 1913-05-06

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US1061174D Expired - Lifetime US1061174A (en) department of commerce

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