GB2294336B - Oil or gas fuelled boiler - Google Patents

Oil or gas fuelled boiler

Info

Publication number
GB2294336B
GB2294336B GB9520988A GB9520988A GB2294336B GB 2294336 B GB2294336 B GB 2294336B GB 9520988 A GB9520988 A GB 9520988A GB 9520988 A GB9520988 A GB 9520988A GB 2294336 B GB2294336 B GB 2294336B
Authority
GB
United Kingdom
Prior art keywords
oil
gas fuelled
fuelled boiler
boiler
gas
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 - Fee Related
Application number
GB9520988A
Other versions
GB9520988D0 (en
GB2294336A (en
Inventor
Klaus Bott
Bernd Schukraft
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.)
Electrowatt Technology Innovation AG
Original Assignee
Landis and Gyr Technology Innovation 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 Technology Innovation AG filed Critical Landis and Gyr Technology Innovation AG
Publication of GB9520988D0 publication Critical patent/GB9520988D0/en
Publication of GB2294336A publication Critical patent/GB2294336A/en
Application granted granted Critical
Publication of GB2294336B publication Critical patent/GB2294336B/en
Anticipated expiration legal-status Critical
Expired - Fee Related 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
    • F23N5/24—Preventing development of abnormal or undesired conditions, i.e. safety arrangements
    • F23N5/242—Preventing development of abnormal or undesired conditions, i.e. safety arrangements using electronic means
    • G—PHYSICS
    • G05—CONTROLLING; REGULATING
    • G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
    • G05B9/00—Safety arrangements
    • G05B9/02—Safety arrangements electric
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23N—REGULATING OR CONTROLLING COMBUSTION
    • F23N2223/00—Signal processing; Details thereof
    • F23N2223/08—Microprocessor; Microcomputer
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23N—REGULATING OR CONTROLLING COMBUSTION
    • F23N2231/00—Fail safe

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Automation & Control Theory (AREA)
  • Electronic Switches (AREA)
  • Regulation And Control Of Combustion (AREA)
GB9520988A 1994-10-17 1995-10-13 Oil or gas fuelled boiler Expired - Fee Related GB2294336B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CH03109/94A CH689879A5 (en) 1994-10-17 1994-10-17 Control means for actuation of switching means.

Publications (3)

Publication Number Publication Date
GB9520988D0 GB9520988D0 (en) 1995-12-13
GB2294336A GB2294336A (en) 1996-04-24
GB2294336B true GB2294336B (en) 1999-02-03

Family

ID=4248815

Family Applications (1)

Application Number Title Priority Date Filing Date
GB9520988A Expired - Fee Related GB2294336B (en) 1994-10-17 1995-10-13 Oil or gas fuelled boiler

Country Status (5)

Country Link
CH (1) CH689879A5 (en)
DE (1) DE4441581B4 (en)
FR (1) FR2725857B1 (en)
GB (1) GB2294336B (en)
IT (1) IT1275790B1 (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105305387A (en) * 2014-07-28 2016-02-03 倍加福有限责任公司 Device and method for monitoring and switching a load circuit
CN105305388A (en) * 2014-07-28 2016-02-03 倍加福有限责任公司 Method and device for monitoring and switching a load circuit

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103092182B (en) * 2012-12-24 2015-09-23 北京林克富华技术开发有限公司 The pick-up unit of electrohydraulic actuator security function and detection method thereof
FR3103914A1 (en) * 2019-11-28 2021-06-04 Schneider Electric Industries Sas Secure control device, contactor comprising such a device and method of secure processing of a control signal

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0036069A1 (en) * 1980-03-10 1981-09-23 International Business Machines Corporation Digitally controlled machine
US4298334A (en) * 1979-11-26 1981-11-03 Honeywell Inc. Dynamically checked safety load switching circuit
EP0192027A1 (en) * 1985-01-23 1986-08-27 Westinghouse Electric Corporation Testable, "fault-tolerant" power interface circuit for controlling plant process equipment
GB2209076A (en) * 1985-08-12 1989-04-26 British Gas Plc Relay operation checking

Family Cites Families (18)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DD142133A3 (en) * 1979-03-21 1980-06-11 Wagner Hans Holger CIRCUIT ARRANGEMENT FOR A GAS BURNER CONTROL UNIT
DE2912204A1 (en) * 1979-03-28 1980-10-09 Michael Sommer Staircase lighting intensity controller - has four operational amplifiers and photocoupler controlling triac
US4303383A (en) * 1979-11-09 1981-12-01 Honeywell Inc. Condition control system with safety feedback means
DE2951118C2 (en) * 1979-12-19 1984-08-23 Gerstel, Eberhard, 4330 Mülheim Circuit arrangement for monitoring circuit breakers
US4375601A (en) * 1980-07-07 1983-03-01 Beckman Instruments, Inc. Signal stability recognition
DE3126639A1 (en) * 1981-07-06 1983-01-20 Philipp Kreis GmbH & Co Truma-Gerätebau, 8000 München Safety circuit for a burner for gaseous or liquid fuels which is operated by a fan (blower)
DE3246385A1 (en) * 1982-12-15 1984-06-20 Hartmann & Braun Ag, 6000 Frankfurt Circuit for monitoring the switching function of semiconductor switches
US4570216A (en) * 1983-02-10 1986-02-11 Brightmond Company Limited Programmable switch
DE3408199A1 (en) * 1983-03-19 1984-09-20 Joh. Vaillant Gmbh U. Co, 5630 Remscheid Timer
DE3532017A1 (en) * 1985-09-07 1987-03-19 Bosch Gmbh Robert Safety circuit for controlling critical loads of gas burners or oil burners
DE3643226A1 (en) * 1986-12-18 1988-06-30 Standard Elektrik Lorenz Ag Device for operating a plurality of electrical loads in a reliable manner in signalling terms
DE3737791A1 (en) * 1987-09-25 1989-04-13 Pepperl & Fuchs Fail-safe switch device
US4777384A (en) * 1987-10-19 1988-10-11 Altenhof Terrence G Source voltage triggered timer
DE3942167A1 (en) * 1988-12-21 1990-06-28 Fuji Heavy Ind Ltd ERROR DETECTING DEVICE FOR ELECTRICAL CIRCUITS
US4904910A (en) * 1989-02-13 1990-02-27 Hsu Yan Wen Automatic delay-controlling device
DE3928651A1 (en) * 1989-08-30 1991-03-07 Wabco Westinghouse Fahrzeug ELECTRONIC CIRCUIT FOR MONITORING A POWER AMPLIFIER AND ITS LOAD
US5329193A (en) * 1992-11-12 1994-07-12 Lu Chao Cheng Computer controller
DE9309825U1 (en) * 1993-07-01 1994-08-04 Siemens AG, 80333 München Circuit arrangement

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4298334A (en) * 1979-11-26 1981-11-03 Honeywell Inc. Dynamically checked safety load switching circuit
EP0036069A1 (en) * 1980-03-10 1981-09-23 International Business Machines Corporation Digitally controlled machine
EP0192027A1 (en) * 1985-01-23 1986-08-27 Westinghouse Electric Corporation Testable, "fault-tolerant" power interface circuit for controlling plant process equipment
GB2209076A (en) * 1985-08-12 1989-04-26 British Gas Plc Relay operation checking

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105305387A (en) * 2014-07-28 2016-02-03 倍加福有限责任公司 Device and method for monitoring and switching a load circuit
CN105305388A (en) * 2014-07-28 2016-02-03 倍加福有限责任公司 Method and device for monitoring and switching a load circuit
CN105305387B (en) * 2014-07-28 2018-09-28 倍加福有限责任公司 The device and method of monitoring and switching load circuit
CN105305388B (en) * 2014-07-28 2018-11-27 倍加福有限责任公司 device and method for monitoring and switching load circuit

Also Published As

Publication number Publication date
DE4441581A1 (en) 1996-04-25
ITMI952044A0 (en) 1995-10-06
IT1275790B1 (en) 1997-10-17
CH689879A5 (en) 1999-12-31
GB9520988D0 (en) 1995-12-13
ITMI952044A1 (en) 1997-04-06
FR2725857B1 (en) 1997-10-17
GB2294336A (en) 1996-04-24
FR2725857A1 (en) 1996-04-19
DE4441581B4 (en) 2004-02-05

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Legal Events

Date Code Title Description
PCNP Patent ceased through non-payment of renewal fee

Effective date: 20061013