GB8906235D0 - Flame detection apparatus and method - Google Patents

Flame detection apparatus and method

Info

Publication number
GB8906235D0
GB8906235D0 GB898906235A GB8906235A GB8906235D0 GB 8906235 D0 GB8906235 D0 GB 8906235D0 GB 898906235 A GB898906235 A GB 898906235A GB 8906235 A GB8906235 A GB 8906235A GB 8906235 D0 GB8906235 D0 GB 8906235D0
Authority
GB
United Kingdom
Prior art keywords
detection apparatus
flame detection
flame
detection
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.)
Pending
Application number
GB898906235A
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.)
Cambridge Instruments Ltd
Original Assignee
Cambridge Instruments 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 Cambridge Instruments Ltd filed Critical Cambridge Instruments Ltd
Priority to GB898906235A priority Critical patent/GB8906235D0/en
Publication of GB8906235D0 publication Critical patent/GB8906235D0/en
Priority to EP19900302390 priority patent/EP0388065A3/en
Priority to GB9004948A priority patent/GB2230632A/en
Pending 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
    • F23N5/02—Systems for controlling combustion using devices responsive to thermal changes or to thermal expansion of a medium
    • F23N5/12—Systems for controlling combustion using devices responsive to thermal changes or to thermal expansion of a medium using ionisation-sensitive elements, i.e. flame rods
    • F23N5/123—Systems for controlling combustion using devices responsive to thermal changes or to thermal expansion of a medium using ionisation-sensitive elements, i.e. flame rods using electronic means
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23N—REGULATING OR CONTROLLING COMBUSTION
    • F23N2223/00—Signal processing; Details thereof
    • F23N2223/20—Opto-coupler
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23N—REGULATING OR CONTROLLING COMBUSTION
    • F23N2229/00—Flame sensors
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23N—REGULATING OR CONTROLLING COMBUSTION
    • F23N2229/00—Flame sensors
    • F23N2229/12—Flame sensors with flame rectification current detecting means

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Photometry And Measurement Of Optical Pulse Characteristics (AREA)
  • Measurement Of Current Or Voltage (AREA)
  • Control Of Combustion (AREA)
GB898906235A 1989-03-17 1989-03-17 Flame detection apparatus and method Pending GB8906235D0 (en)

Priority Applications (3)

Application Number Priority Date Filing Date Title
GB898906235A GB8906235D0 (en) 1989-03-17 1989-03-17 Flame detection apparatus and method
EP19900302390 EP0388065A3 (en) 1989-03-17 1990-03-06 Flame detection apparatus and method
GB9004948A GB2230632A (en) 1989-03-17 1990-03-06 Flame detection apparatus and method

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB898906235A GB8906235D0 (en) 1989-03-17 1989-03-17 Flame detection apparatus and method

Publications (1)

Publication Number Publication Date
GB8906235D0 true GB8906235D0 (en) 1989-05-04

Family

ID=10653569

Family Applications (2)

Application Number Title Priority Date Filing Date
GB898906235A Pending GB8906235D0 (en) 1989-03-17 1989-03-17 Flame detection apparatus and method
GB9004948A Withdrawn GB2230632A (en) 1989-03-17 1990-03-06 Flame detection apparatus and method

Family Applications After (1)

Application Number Title Priority Date Filing Date
GB9004948A Withdrawn GB2230632A (en) 1989-03-17 1990-03-06 Flame detection apparatus and method

Country Status (2)

Country Link
EP (1) EP0388065A3 (en)
GB (2) GB8906235D0 (en)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4122636C2 (en) * 1991-07-09 1999-08-12 Bosch Gmbh Robert Device and method for monitoring a flame
US5439374A (en) * 1993-07-16 1995-08-08 Johnson Service Company Multi-level flame curent sensing circuit
EP0908679A1 (en) * 1997-10-10 1999-04-14 Electrowatt Technology Innovation AG Circuit for flame monitoring
ATE338250T1 (en) * 2000-12-01 2006-09-15 Vaillant Gmbh FLAME SWITCH CIRCUIT

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3348104A (en) * 1964-12-14 1967-10-17 American Gas Ass Bias-controlled a. c.-operable voltage threshold circuit, and systems employing same
DE1526255A1 (en) * 1965-12-22 1970-04-02 May & Christe Gmbh Device for monitoring non-luminous flames
US3861854A (en) * 1972-01-26 1975-01-21 Kidde & Co Walter Flame monitoring system
JPS55102826A (en) * 1979-02-02 1980-08-06 Toshiba Corp Combustion device
US4370125A (en) * 1980-10-01 1983-01-25 Emerson Electric Co. Control system for blue-flame oil burner

Also Published As

Publication number Publication date
GB9004948D0 (en) 1990-05-02
EP0388065A3 (en) 1991-04-24
GB2230632A (en) 1990-10-24
EP0388065A2 (en) 1990-09-19

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