GB1355376A - Combustion control system - Google Patents

Combustion control system

Info

Publication number
GB1355376A
GB1355376A GB3402171A GB3402171A GB1355376A GB 1355376 A GB1355376 A GB 1355376A GB 3402171 A GB3402171 A GB 3402171A GB 3402171 A GB3402171 A GB 3402171A GB 1355376 A GB1355376 A GB 1355376A
Authority
GB
United Kingdom
Prior art keywords
transistor
ignition
capacitor
switches
valve
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
GB3402171A
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.)
Electronics Corp of America
Original Assignee
Electronics Corp of America
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 Electronics Corp of America filed Critical Electronics Corp of America
Publication of GB1355376A publication Critical patent/GB1355376A/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
    • F23N5/08—Systems for controlling combustion using devices responsive to thermal changes or to thermal expansion of a medium using light-sensitive elements
    • F23N5/082—Systems for controlling combustion using devices responsive to thermal changes or to thermal expansion of a medium using light-sensitive elements using electronic means
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23N—REGULATING OR CONTROLLING COMBUSTION
    • F23N5/00—Systems for controlling combustion
    • F23N5/20—Systems for controlling combustion with a time programme acting through electrical means, e.g. using time-delay relays
    • F23N5/203—Systems for controlling combustion with a time programme acting through electrical means, e.g. using time-delay relays 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
    • F23N2223/22—Timing network
    • F23N2223/26—Timing network with capacitors
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23N—REGULATING OR CONTROLLING COMBUSTION
    • F23N2227/00—Ignition or checking
    • F23N2227/28—Ignition circuits
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23N—REGULATING OR CONTROLLING COMBUSTION
    • F23N2227/00—Ignition or checking
    • F23N2227/36—Spark ignition, e.g. by means of a high voltage
    • 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
    • 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
    • F23N5/08—Systems for controlling combustion using devices responsive to thermal changes or to thermal expansion of a medium using light-sensitive elements
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23N—REGULATING OR CONTROLLING COMBUSTION
    • F23N5/00—Systems for controlling combustion
    • F23N5/20—Systems for controlling combustion with a time programme acting through electrical means, e.g. using time-delay relays

Landscapes

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

Abstract

1355376 Time delay switching circuits ELECTRONICS CORP OF AMERICA 20 July 1971 [3 Aug 1970] 34021/71 Heading H3T [Also in Division F4] Combustion of a burner is initiated by closing contacts 60-2 of a switch 60 to connect a capacitor 62, previously charged through contacts 60-1, to the base of a transistor 72 which actuates a transistor 46 to open a fuel valve 50, thus allowing an ignition attempt. The period allowed for ignition is determined by the discharging of capacitor 62 which switches off transistor 72 to close valve 50 unless successful ignition holds the valve open by means of an ultra violet sensor 20 which switches on a transistor 36 through a transformer 26 when a flame is present, and thus keeps transistor 46 in its conducting state.
GB3402171A 1970-08-03 1971-07-20 Combustion control system Expired GB1355376A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US6023070A 1970-08-03 1970-08-03

Publications (1)

Publication Number Publication Date
GB1355376A true GB1355376A (en) 1974-06-05

Family

ID=22028177

Family Applications (1)

Application Number Title Priority Date Filing Date
GB3402171A Expired GB1355376A (en) 1970-08-03 1971-07-20 Combustion control system

Country Status (7)

Country Link
US (1) US3664803A (en)
BE (1) BE770632A (en)
CA (1) CA948739A (en)
CH (1) CH557505A (en)
DE (1) DE2138868A1 (en)
FR (1) FR2104827A1 (en)
GB (1) GB1355376A (en)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3713766A (en) * 1971-09-07 1973-01-30 Emerson Electric Co Oil burner control system
US4034270A (en) * 1973-12-07 1977-07-05 Johnson Controls, Inc. Self-inhibiting spark generating arrangement
US3938937A (en) * 1973-12-07 1976-02-17 Johnson Service Company Fuel ignition control arrangement
FR2373753A1 (en) * 1976-12-07 1978-07-07 Bourguignonne Mec Smb SAFETY IGNITION DEVICE FOR BURNER OR RADIANT PANEL
US4168947A (en) * 1977-10-05 1979-09-25 Johnson Controls, Inc. Fuel ignition control arrangement having a timing circuit with fast reset

Also Published As

Publication number Publication date
US3664803A (en) 1972-05-23
CH557505A (en) 1974-12-31
DE2138868A1 (en) 1972-02-10
CA948739A (en) 1974-06-04
FR2104827A1 (en) 1972-04-21
BE770632A (en) 1971-12-01

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Legal Events

Date Code Title Description
PS Patent sealed [section 19, patents act 1949]
PLNP Patent lapsed through nonpayment of renewal fees