GB861564A - Improvements in flame responsive means - Google Patents

Improvements in flame responsive means

Info

Publication number
GB861564A
GB861564A GB1641656A GB1641656A GB861564A GB 861564 A GB861564 A GB 861564A GB 1641656 A GB1641656 A GB 1641656A GB 1641656 A GB1641656 A GB 1641656A GB 861564 A GB861564 A GB 861564A
Authority
GB
United Kingdom
Prior art keywords
microphone
fuel supply
voltage
burner
alarm
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
GB1641656A
Inventor
James Waring Pegrum
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.)
Babcock International Ltd
Original Assignee
Babcock and Wilcox 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 Babcock and Wilcox Ltd filed Critical Babcock and Wilcox Ltd
Priority to GB1641656A priority Critical patent/GB861564A/en
Publication of GB861564A publication Critical patent/GB861564A/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
    • F23N5/00—Systems for controlling combustion
    • F23N5/16—Systems for controlling combustion using noise-sensitive detectors

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Control Of Combustion (AREA)

Abstract

861,564. Controlling burners. BABCOCK & WILCOX Ltd. May 28, 1957 [May 28, 1956; Ang. 13, 1956]. Nos. 16416/56 and 24723/56. Class 75 (1). A microphone 23 responsive to the noise of the flame of a burner 6 is adapted to actuate an alarm 30 or to control a fuel valve when the noise exceeds a predetermined level which is varied in accordance with the rate of fuel supply to the burner. The rate of fuel supply is arranged to provide a D.C. voltage which is compared with a D.C. voltage derived from the microphone in a comparator 28 and the resultant voltage is fed to a relay 29 controlling the alarm 30. The D.C. voltage from the fuel supply is provided by a potentiometer 44 which is actuated by a piston 34 moved against spring action by the pressure difference across a restriction 42 in the fuel supply line 31. The signal from the microphone is fed to an amplifier 25 connected to a frequency filter 26 connected to a rectifier 27. The microphone 23 is mounted on the outer end of a listening tube 21 extending through the outer wall 9 of an adjustable air register surrounding the burner 6.
GB1641656A 1956-05-28 1956-05-28 Improvements in flame responsive means Expired GB861564A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB1641656A GB861564A (en) 1956-05-28 1956-05-28 Improvements in flame responsive means

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB1641656A GB861564A (en) 1956-05-28 1956-05-28 Improvements in flame responsive means

Publications (1)

Publication Number Publication Date
GB861564A true GB861564A (en) 1961-02-22

Family

ID=10076933

Family Applications (1)

Application Number Title Priority Date Filing Date
GB1641656A Expired GB861564A (en) 1956-05-28 1956-05-28 Improvements in flame responsive means

Country Status (1)

Country Link
GB (1) GB861564A (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2593298A1 (en) * 1986-01-22 1987-07-24 Stratel Device for measuring the operating time of a heating appliance including a detector of the operation of the burner
EP0428373A2 (en) * 1989-11-13 1991-05-22 Control Techtronics, Inc. Acoustical burner control system and method
WO1998034067A1 (en) * 1997-02-04 1998-08-06 Siemens Aktiengesellschaft Combustion device and method for actively damping combustion vibrations

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2593298A1 (en) * 1986-01-22 1987-07-24 Stratel Device for measuring the operating time of a heating appliance including a detector of the operation of the burner
EP0428373A2 (en) * 1989-11-13 1991-05-22 Control Techtronics, Inc. Acoustical burner control system and method
EP0428373A3 (en) * 1989-11-13 1991-08-28 Control Techtronics, Inc. Acoustical burner control system and method
WO1998034067A1 (en) * 1997-02-04 1998-08-06 Siemens Aktiengesellschaft Combustion device and method for actively damping combustion vibrations

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