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 languages
English (en)
Other versions
GB2294336A (en
GB9520988D0 (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 (de) 1994-10-17 1994-10-17 Steuereinrichtung zur Betätigung von Schalteinrichtungen.

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 (enrdf_load_stackoverflow)
DE (1) DE4441581B4 (enrdf_load_stackoverflow)
FR (1) FR2725857B1 (enrdf_load_stackoverflow)
GB (1) GB2294336B (enrdf_load_stackoverflow)
IT (1) IT1275790B1 (enrdf_load_stackoverflow)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105305387A (zh) * 2014-07-28 2016-02-03 倍加福有限责任公司 监视和切换负载电路的装置和方法
CN105305388A (zh) * 2014-07-28 2016-02-03 倍加福有限责任公司 用于监视和切换负载电路的装置和方法

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103092182B (zh) * 2012-12-24 2015-09-23 北京林克富华技术开发有限公司 电液执行机构安全功能的检测装置及其检测方法
FR3103914A1 (fr) * 2019-11-28 2021-06-04 Schneider Electric Industries Sas Dispositif de commande sécurisée, contacteur comportant un tel dispositif et procédé de traitement sécurisé d’un signal de commande

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 (de) * 1979-03-21 1980-06-11 Wagner Hans Holger Schaltungsanordnung fuer ein gasbrennersteuergeraet
DE2912204A1 (de) * 1979-03-28 1980-10-09 Michael Sommer Treppenlichtautomat mit schnellem einschaltverhalten und langsamem ausschaltverhalten
US4303383A (en) * 1979-11-09 1981-12-01 Honeywell Inc. Condition control system with safety feedback means
DE2951118C2 (de) * 1979-12-19 1984-08-23 Gerstel, Eberhard, 4330 Mülheim Schaltungsanordnung zur Überwachung von Leistungsschaltern
US4375601A (en) * 1980-07-07 1983-03-01 Beckman Instruments, Inc. Signal stability recognition
DE3126639A1 (de) * 1981-07-06 1983-01-20 Philipp Kreis GmbH & Co Truma-Gerätebau, 8000 München "sicherheitsschaltung fuer mit einem geblaese betriebenen brenner fuer gasfoermige oder fluessige brennstoffe"
DE3246385A1 (de) * 1982-12-15 1984-06-20 Hartmann & Braun Ag, 6000 Frankfurt Schaltung zur ueberwachung der schaltfunktion von halbleiterschaltern
US4570216A (en) * 1983-02-10 1986-02-11 Brightmond Company Limited Programmable switch
DE3408199A1 (de) * 1983-03-19 1984-09-20 Joh. Vaillant Gmbh U. Co, 5630 Remscheid Zeitschalter
DE3532017A1 (de) * 1985-09-07 1987-03-19 Bosch Gmbh Robert Sicherheitsschaltung zum steuern kritischer lasten von gas- oder oelbrennern
DE3643226A1 (de) * 1986-12-18 1988-06-30 Standard Elektrik Lorenz Ag Einrichtung zum signaltechnisch sicheren betrieb mehrerer elektrischer verbraucher
DE3737791A1 (de) * 1987-09-25 1989-04-13 Pepperl & Fuchs Fehlersichere schalteinrichtung
US4777384A (en) * 1987-10-19 1988-10-11 Altenhof Terrence G Source voltage triggered timer
DE3942167A1 (de) * 1988-12-21 1990-06-28 Fuji Heavy Ind Ltd Fehlererfassungseinrichtung fuer elektrische schaltungen
US4904910A (en) * 1989-02-13 1990-02-27 Hsu Yan Wen Automatic delay-controlling device
DE3928651A1 (de) * 1989-08-30 1991-03-07 Wabco Westinghouse Fahrzeug Elektronische schaltung zur ueberwachung eines endverstaerkers und seiner last
US5329193A (en) * 1992-11-12 1994-07-12 Lu Chao Cheng Computer controller
DE9309825U1 (de) * 1993-07-01 1994-08-04 Siemens AG, 80333 München Schaltungsanordnung

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 (zh) * 2014-07-28 2016-02-03 倍加福有限责任公司 监视和切换负载电路的装置和方法
CN105305388A (zh) * 2014-07-28 2016-02-03 倍加福有限责任公司 用于监视和切换负载电路的装置和方法
CN105305387B (zh) * 2014-07-28 2018-09-28 倍加福有限责任公司 监视和切换负载电路的装置和方法
CN105305388B (zh) * 2014-07-28 2018-11-27 倍加福有限责任公司 用于监视和切换负载电路的装置和方法

Also Published As

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

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Legal Events

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

Effective date: 20061013