JPS5049740A - - Google Patents

Info

Publication number
JPS5049740A
JPS5049740A JP49082713A JP8271374A JPS5049740A JP S5049740 A JPS5049740 A JP S5049740A JP 49082713 A JP49082713 A JP 49082713A JP 8271374 A JP8271374 A JP 8271374A JP S5049740 A JPS5049740 A JP S5049740A
Authority
JP
Japan
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
JP49082713A
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 filed Critical
Publication of JPS5049740A publication Critical patent/JPS5049740A/ja
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
    • F23N2231/00—Fail safe
    • F23N2231/10—Fail safe for component failures

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Control Of Combustion (AREA)
  • Fire-Detection Mechanisms (AREA)
  • Other Investigation Or Analysis Of Materials By Electrical Means (AREA)
JP49082713A 1973-07-17 1974-07-17 Pending JPS5049740A (ja)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR7326130A FR2238393A5 (ja) 1973-07-17 1973-07-17

Publications (1)

Publication Number Publication Date
JPS5049740A true JPS5049740A (ja) 1975-05-02

Family

ID=9122699

Family Applications (1)

Application Number Title Priority Date Filing Date
JP49082713A Pending JPS5049740A (ja) 1973-07-17 1974-07-17

Country Status (7)

Country Link
US (1) US3943386A (ja)
JP (1) JPS5049740A (ja)
DE (1) DE2430328A1 (ja)
ES (1) ES427784A1 (ja)
FR (1) FR2238393A5 (ja)
GB (1) GB1466091A (ja)
IT (1) IT1015629B (ja)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4435150A (en) * 1982-09-22 1984-03-06 Emerson Electric Co. Gas burner control system
CH663077A5 (de) * 1983-12-14 1987-11-13 Landis & Gyr Ag Selbstueberwachender flammenwaechter.
DE3524090A1 (de) * 1984-07-20 1986-01-30 Hermes-Werke Leopold Herrmann GmbH, Wien Ionisationsflammfuehler
CA1335829C (en) * 1985-09-02 1995-06-06 Kenneth Garry Kemlo Flame detection
AU602658B2 (en) * 1985-09-02 1990-10-25 Onesteel Manufacturing Pty Limited Flame detection
DE4027090C2 (de) * 1990-08-28 1998-07-23 Kromschroeder Ag G Anordnung zum Überwachen einer Brennerflamme
US5365223A (en) * 1991-10-28 1994-11-15 Honeywell Inc. Fail-safe condition sensing circuit
US6222719B1 (en) * 1999-07-15 2001-04-24 Andrew S. Kadah Ignition boost and rectification flame detection circuit
EP2387046B1 (en) * 2010-05-11 2015-01-21 Honeywell Technologies Sarl Power driver and fail safe circuit for a gas valve
DE102015222263B3 (de) 2015-11-11 2017-05-24 Viessmann Werke Gmbh & Co Kg Verfahren und vorrichtung zur flammensignalerfassung

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3378829A (en) * 1965-04-02 1968-04-16 Berkeley Scient Lab Fire warning device
US3414739A (en) * 1966-01-13 1968-12-03 Minnesota Mining & Mfg Digital pulse selection device for monitoring a variable condition
US3701137A (en) * 1970-09-29 1972-10-24 Control Design Inc Transistorized thermocouple flame detector
US3710149A (en) * 1971-06-21 1973-01-09 Electronics Corp America Electrical circuitry
US3671815A (en) * 1972-06-20 1972-06-20 Columbia Gas Syst Flame detection apparatus

Also Published As

Publication number Publication date
GB1466091A (en) 1977-03-02
DE2430328A1 (de) 1975-02-13
ES427784A1 (es) 1976-08-01
IT1015629B (it) 1977-05-20
US3943386A (en) 1976-03-09
FR2238393A5 (ja) 1975-02-14

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