GB797453A - Improvements in draught stabilizers - Google Patents

Improvements in draught stabilizers

Info

Publication number
GB797453A
GB797453A GB490756A GB490756A GB797453A GB 797453 A GB797453 A GB 797453A GB 490756 A GB490756 A GB 490756A GB 490756 A GB490756 A GB 490756A GB 797453 A GB797453 A GB 797453A
Authority
GB
United Kingdom
Prior art keywords
flap
boiler
flue
pivoted
draught
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
GB490756A
Inventor
William Herbert Smith
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.)
Trianco Ltd
Original Assignee
Trianco Ltd
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 Trianco Ltd filed Critical Trianco Ltd
Priority to GB490756A priority Critical patent/GB797453A/en
Publication of GB797453A publication Critical patent/GB797453A/en
Expired legal-status Critical Current

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23L—SUPPLYING AIR OR NON-COMBUSTIBLE LIQUIDS OR GASES TO COMBUSTION APPARATUS IN GENERAL ; VALVES OR DAMPERS SPECIALLY ADAPTED FOR CONTROLLING AIR SUPPLY OR DRAUGHT IN COMBUSTION APPARATUS; INDUCING DRAUGHT IN COMBUSTION APPARATUS; TOPS FOR CHIMNEYS OR VENTILATING SHAFTS; TERMINALS FOR FLUES
    • F23L13/00—Construction of valves or dampers for controlling air supply or draught

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Regulation And Control Of Combustion (AREA)
  • Air-Flow Control Members (AREA)

Abstract

797,453. Draught stabilizers for Hues. TRIANCO, Ltd. Feb. 15, 1957 [Feb. 16, 1956], No. 4907/56. Class 51 (1). A boiler flue has an air inlet port 2 controlled by a counterweighted pivoted flap 1 which closes the port during normal operation of the boiler but is adapted to open when the pressure in the flue falls below a certain value when the boiler is idling. The flap is held closed by a spring blade 8 mounted on a pivot 15 and held by an electromagnet 16 in circuit with the motor of a forced draught fan so that its end 9 bears on a roller 6 on an arm 5 attached to the flap. The flue is fitted with a pivoted safety valve or plate 20 held closed by an arm pivoted on the plate and loaded by an adjustable weight 28.
GB490756A 1956-02-16 1956-02-16 Improvements in draught stabilizers Expired GB797453A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB490756A GB797453A (en) 1956-02-16 1956-02-16 Improvements in draught stabilizers

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB490756A GB797453A (en) 1956-02-16 1956-02-16 Improvements in draught stabilizers

Publications (1)

Publication Number Publication Date
GB797453A true GB797453A (en) 1958-07-02

Family

ID=9786120

Family Applications (1)

Application Number Title Priority Date Filing Date
GB490756A Expired GB797453A (en) 1956-02-16 1956-02-16 Improvements in draught stabilizers

Country Status (1)

Country Link
GB (1) GB797453A (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4403599A (en) * 1980-11-18 1983-09-13 Carrier Corporation Spillage damper for a combustion system
GB2167545A (en) * 1984-11-27 1986-05-29 Nrg Systems Inc Flue assembly
GB2227822A (en) * 1989-02-04 1990-08-08 Copermill Ltd Safety door for furnace

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4403599A (en) * 1980-11-18 1983-09-13 Carrier Corporation Spillage damper for a combustion system
GB2167545A (en) * 1984-11-27 1986-05-29 Nrg Systems Inc Flue assembly
GB2227822A (en) * 1989-02-04 1990-08-08 Copermill Ltd Safety door for furnace
GB2227822B (en) * 1989-02-04 1993-05-26 Copermill Ltd Improvements in or relating to safety apparatus

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