GB1175787A - Monitoring and Control Devices for Blower-Assisted Gas and Oil-Fired Burners - Google Patents

Monitoring and Control Devices for Blower-Assisted Gas and Oil-Fired Burners

Info

Publication number
GB1175787A
GB1175787A GB33909/68A GB3390968A GB1175787A GB 1175787 A GB1175787 A GB 1175787A GB 33909/68 A GB33909/68 A GB 33909/68A GB 3390968 A GB3390968 A GB 3390968A GB 1175787 A GB1175787 A GB 1175787A
Authority
GB
United Kingdom
Prior art keywords
motor
air flap
selector switch
burner
air
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
GB33909/68A
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.)
Landis and Gyr AG
Original Assignee
Landis and Gyr AG
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 Landis and Gyr AG filed Critical Landis and Gyr AG
Publication of GB1175787A publication Critical patent/GB1175787A/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
    • F23N5/18—Systems for controlling combustion using detectors sensitive to rate of flow of air or fuel
    • F23N5/187—Systems for controlling combustion using detectors sensitive to rate of flow of air or fuel using electrical or electromechanical means
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F22—STEAM GENERATION
    • F22B—METHODS OF STEAM GENERATION; STEAM BOILERS
    • F22B37/00—Component parts or details of steam boilers
    • F22B37/02—Component parts or details of steam boilers applicable to more than one kind or type of steam boiler
    • F22B37/42—Applications, arrangements, or dispositions of alarm or automatic safety devices
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23D—BURNERS
    • F23D14/00—Burners for combustion of a gas, e.g. of a gas stored under pressure as a liquid
    • F23D14/46—Details, e.g. noise reduction means
    • F23D14/60—Devices for simultaneous control of gas and combustion air
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23N—REGULATING OR CONTROLLING COMBUSTION
    • F23N2227/00—Ignition or checking
    • F23N2227/02—Starting or ignition cycles

Landscapes

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

Abstract

1,175,787. Burner control. LANDIS & GYR A.G. 16 July, 1968 [20 July, 1967], No. 33909/68. Heading F4T. An air supply monitoring and control device for blower burners fired by gas or oil comprises an air flap control means 20 which opens an air flap to ventilate the burner on starting and at least partially closes the air flap for ignition of the fuel, a mechanism 6 responsive to the pressure of the air fed to the burner, and a programme control motor 23, wherein a contact 8 of the mechanism 6 is connected into a start circuit of the burner and at least one contact actuated by the air flap control means is connected into a circuit of the programme control motor. When A.C. voltage is applied to terminals 1, 25, a switch 7 is closed and a current flows to the winding 12 of a relay A causing contacts 3 and 4 to close which allows current to flow to the winding 15 of a blower motor and a motor 21 of the air flap control means via a cam selector switch 13 which is controlled by the programme control motor and a limit selector switch 18, to open the air flap. As soon as the air flap is open, the limit selector switch 18 changes over to pass current to the programme control motor via a lead 22 and a cam selector switch 14, which is also controlled by the programme control motor, to begin the ventilation period. At the end of this period cam selector switch 13 changes over to a contact 17 and current flows to the motor 21 via a limit selector switch 19 to close the air flap, the programme control motor being inoperative whilst the motor 21 is operating. When the air flap is closed the motor 21 is cut out and the programme control motor is cut in by the switch 19. After a predetermined time the switch 14 changes over so that the programme control motor receives current directly from the contact 4 and not via the air flap control means. These means can then be set to any required position. If no air pressure is registered by the mechanism 6 then a selector switch 5 does not change over to a contact 9 which is connected to an ignition circuit and fuel supply valves of the burner, thus preventing supply and ignition of fuel.
GB33909/68A 1967-07-20 1968-07-16 Monitoring and Control Devices for Blower-Assisted Gas and Oil-Fired Burners Expired GB1175787A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CH1033367A CH452768A (en) 1967-07-20 1967-07-20 Air volume monitoring and control device for forced draft burners in gas and oil firing systems

Publications (1)

Publication Number Publication Date
GB1175787A true GB1175787A (en) 1969-12-23

Family

ID=4362078

Family Applications (1)

Application Number Title Priority Date Filing Date
GB33909/68A Expired GB1175787A (en) 1967-07-20 1968-07-16 Monitoring and Control Devices for Blower-Assisted Gas and Oil-Fired Burners

Country Status (5)

Country Link
AT (1) AT277431B (en)
CH (1) CH452768A (en)
DE (1) DE1551976B2 (en)
FR (1) FR1581550A (en)
GB (1) GB1175787A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4459099A (en) * 1981-09-28 1984-07-10 Allied Corporation Fuel and ignition control
EP2413031A1 (en) * 2010-07-26 2012-02-01 Hovalwerk AG Premixing combustion device

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH666535A5 (en) * 1985-01-08 1988-07-29 Landis & Gyr Ag METHOD FOR LIMITING THE PRE-PURGE TIME IN GAS OR OIL BURNERS AND DEVICE FOR IMPLEMENTING THE METHOD.

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4459099A (en) * 1981-09-28 1984-07-10 Allied Corporation Fuel and ignition control
EP2413031A1 (en) * 2010-07-26 2012-02-01 Hovalwerk AG Premixing combustion device
CN102345877A (en) * 2010-07-26 2012-02-08 皓欧股份公司 Premixing combustion device
US9052108B2 (en) 2010-07-26 2015-06-09 Hovalwerk Ag Premixing combustion device
CN102345877B (en) * 2010-07-26 2015-09-02 皓欧股份公司 Premixing combustion device

Also Published As

Publication number Publication date
DE1551976B2 (en) 1971-09-02
FR1581550A (en) 1969-09-19
DE1551976A1 (en) 1970-05-06
CH452768A (en) 1968-03-15
AT277431B (en) 1969-12-29

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Legal Events

Date Code Title Description
PS Patent sealed
PE20 Patent expired after termination of 20 years