GB1113200A - Improvements in or relating to a.c. operated flame control devices - Google Patents

Improvements in or relating to a.c. operated flame control devices

Info

Publication number
GB1113200A
GB1113200A GB55940/66A GB5594066A GB1113200A GB 1113200 A GB1113200 A GB 1113200A GB 55940/66 A GB55940/66 A GB 55940/66A GB 5594066 A GB5594066 A GB 5594066A GB 1113200 A GB1113200 A GB 1113200A
Authority
GB
United Kingdom
Prior art keywords
capacitor
flame control
control devices
charged
relating
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
GB55940/66A
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.)
Danfoss AS
Original Assignee
Danfoss AS
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 Danfoss AS filed Critical Danfoss AS
Publication of GB1113200A publication Critical patent/GB1113200A/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
    • F23N5/02—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
    • 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)
  • Other Investigation Or Analysis Of Materials By Electrical Means (AREA)
  • Fire-Detection Mechanisms (AREA)
  • Control Of Combustion (AREA)
  • Safety Valves (AREA)

Abstract

1,113,200. Burner flame control devices. DANFOSS A.S. 14 Dec., 1966 [8 Jan., 1966], No. 55940/66. Heading F4T. In an A.C. operated flame control apparatus having a flame sensing probe 1 and a trigger circuit comprising a capacitor C 1 charged in dependence on ionic current, a glow discharge tube 11 and an energizing element of a relay assembly the capacitor C 1 is charged by the ionic current during the first half cycle which in turn charges a second capacitor C 2 with a time constant such that the ignition voltage of the glow tube is only attained at the beginning of the third half-cycle, and the energizing element is a controlled rectifier 14 passing in the same sense as the probe, its gate electrode being influenced by the voltage derived from ignition of the glow tube. The relay assembly consists of a D.C. relay 15 shunted by a capacitor 16.
GB55940/66A 1966-01-08 1966-12-14 Improvements in or relating to a.c. operated flame control devices Expired GB1113200A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DED0049100 1966-01-08

Publications (1)

Publication Number Publication Date
GB1113200A true GB1113200A (en) 1968-05-08

Family

ID=7051661

Family Applications (1)

Application Number Title Priority Date Filing Date
GB55940/66A Expired GB1113200A (en) 1966-01-08 1966-12-14 Improvements in or relating to a.c. operated flame control devices

Country Status (9)

Country Link
AT (1) AT284320B (en)
CH (1) CH446592A (en)
DE (1) DE1526212B2 (en)
DK (1) DK124629B (en)
FR (1) FR1506220A (en)
GB (1) GB1113200A (en)
NL (1) NL6617731A (en)
NO (1) NO119102B (en)
SE (1) SE305275B (en)

Also Published As

Publication number Publication date
DE1526212A1 (en) 1969-12-04
DK124629B (en) 1972-11-06
FR1506220A (en) 1967-12-15
SE305275B (en) 1968-10-21
NO119102B (en) 1970-03-23
CH446592A (en) 1967-11-15
DE1526212B2 (en) 1970-06-25
AT284320B (en) 1970-09-10
NL6617731A (en) 1967-07-10

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