FR447663A - Improvements to steam boiler hearths - Google Patents

Improvements to steam boiler hearths

Info

Publication number
FR447663A
FR447663A FR447663DA FR447663A FR 447663 A FR447663 A FR 447663A FR 447663D A FR447663D A FR 447663DA FR 447663 A FR447663 A FR 447663A
Authority
FR
France
Prior art keywords
steam boiler
hearths
boiler hearths
steam
boiler
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired
Application number
Other languages
French (fr)
Inventor
Frank Winfield Harrington
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Individual
Original Assignee
Individual
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Individual filed Critical Individual
Application granted granted Critical
Publication of FR447663A publication Critical patent/FR447663A/en
Expired legal-status Critical Current

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23N—REGULATING OR CONTROLLING COMBUSTION
    • F23N3/00—Regulating air supply or draught
    • F23N3/02—Regulating draught by direct pressure operation of single valves or dampers

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
FR447663D 1912-08-27 1912-08-27 Improvements to steam boiler hearths Expired FR447663A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR447663T 1912-08-27

Publications (1)

Publication Number Publication Date
FR447663A true FR447663A (en) 1913-01-11

Family

ID=1488338

Family Applications (1)

Application Number Title Priority Date Filing Date
FR447663D Expired FR447663A (en) 1912-08-27 1912-08-27 Improvements to steam boiler hearths

Country Status (1)

Country Link
FR (1) FR447663A (en)

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