EP1122498A3 - Gas appliances and control systems - Google Patents
Gas appliances and control systems Download PDFInfo
- Publication number
- EP1122498A3 EP1122498A3 EP01300583A EP01300583A EP1122498A3 EP 1122498 A3 EP1122498 A3 EP 1122498A3 EP 01300583 A EP01300583 A EP 01300583A EP 01300583 A EP01300583 A EP 01300583A EP 1122498 A3 EP1122498 A3 EP 1122498A3
- Authority
- EP
- European Patent Office
- Prior art keywords
- thermistor
- comparator
- output
- blower
- passage
- 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.)
- Withdrawn
Links
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23N—REGULATING OR CONTROLLING COMBUSTION
- F23N1/00—Regulating fuel supply
- F23N1/06—Regulating fuel supply conjointly with draught
- F23N1/062—Regulating fuel supply conjointly with draught 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
- F23N5/02—Systems for controlling combustion using devices responsive to thermal changes or to thermal expansion of a medium
- F23N5/14—Systems for controlling combustion using devices responsive to thermal changes or to thermal expansion of a medium using thermo-sensitive resistors
- F23N5/143—Systems for controlling combustion using devices responsive to thermal changes or to thermal expansion of a medium using thermo-sensitive resistors 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
- F23N5/24—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
-
- 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
- F23N2005/181—Systems for controlling combustion using detectors sensitive to rate of flow of air or fuel using detectors sensitive to rate of flow of air
-
- 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
- F23N2231/10—Fail safe for component failures
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23N—REGULATING OR CONTROLLING COMBUSTION
- F23N2231/00—Fail safe
- F23N2231/26—Fail safe for clogging air inlet
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23N—REGULATING OR CONTROLLING COMBUSTION
- F23N2233/00—Ventilators
- F23N2233/02—Ventilators in stacks
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23N—REGULATING OR CONTROLLING COMBUSTION
- F23N2235/00—Valves, nozzles or pumps
- F23N2235/12—Fuel valves
- F23N2235/14—Fuel valves electromagnetically operated
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
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB0002263 | 2000-02-02 | ||
GBGB0002263.2A GB0002263D0 (en) | 2000-02-02 | 2000-02-02 | Gas appliances and control systems |
Publications (2)
Publication Number | Publication Date |
---|---|
EP1122498A2 EP1122498A2 (en) | 2001-08-08 |
EP1122498A3 true EP1122498A3 (en) | 2004-01-21 |
Family
ID=9884730
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP01300583A Withdrawn EP1122498A3 (en) | 2000-02-02 | 2001-01-23 | Gas appliances and control systems |
Country Status (2)
Country | Link |
---|---|
EP (1) | EP1122498A3 (en) |
GB (2) | GB0002263D0 (en) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6766771B1 (en) | 2003-09-11 | 2004-07-27 | The Water Heater Industry Joint Research And Development Consortium | Fuel-fired water heater with dual function combustion cutoff switch in its draft structure |
CN106524219A (en) * | 2016-12-19 | 2017-03-22 | 大连圣鼎工业装备有限公司 | Environment-friendly automatic control low-index emission gas boiler unit |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0087539A1 (en) * | 1982-03-03 | 1983-09-07 | E.L.M. Leblanc, Société dite: | Furnaces with mechanical extraction |
JPS6284224A (en) * | 1985-10-09 | 1987-04-17 | Youei Seisakusho:Kk | Hot water heater |
US4951651A (en) * | 1989-09-28 | 1990-08-28 | Rheem Manufacturing Company | Vent overpressurization detection system for a fuel-fired, induced draft furnace |
DE9210862U1 (en) * | 1991-08-16 | 1992-10-15 | Joh. Vaillant Gmbh U. Co, 5630 Remscheid | Heating device |
Family Cites Families (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4629113A (en) * | 1984-10-05 | 1986-12-16 | Rhr, Inc. | Furnace controller |
US4792089A (en) * | 1985-11-26 | 1988-12-20 | Carrier Corporation | Self-correcting microprocessor control system and method for a furnace |
KR900006243B1 (en) * | 1986-10-16 | 1990-08-27 | 린나이 가부시기가이샤 | Burner apparatus |
AT401569B (en) * | 1991-12-12 | 1996-10-25 | Vaillant Gmbh | HEATING DEVICE |
US5865611A (en) * | 1996-10-09 | 1999-02-02 | Rheem Manufacturing Company | Fuel-fired modulating furnace calibration apparatus and methods |
-
2000
- 2000-02-02 GB GBGB0002263.2A patent/GB0002263D0/en not_active Ceased
-
2001
- 2001-01-23 EP EP01300583A patent/EP1122498A3/en not_active Withdrawn
- 2001-01-25 GB GB0102221A patent/GB2358915A/en not_active Withdrawn
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0087539A1 (en) * | 1982-03-03 | 1983-09-07 | E.L.M. Leblanc, Société dite: | Furnaces with mechanical extraction |
JPS6284224A (en) * | 1985-10-09 | 1987-04-17 | Youei Seisakusho:Kk | Hot water heater |
US4951651A (en) * | 1989-09-28 | 1990-08-28 | Rheem Manufacturing Company | Vent overpressurization detection system for a fuel-fired, induced draft furnace |
DE9210862U1 (en) * | 1991-08-16 | 1992-10-15 | Joh. Vaillant Gmbh U. Co, 5630 Remscheid | Heating device |
Non-Patent Citations (1)
Title |
---|
PATENT ABSTRACTS OF JAPAN vol. 0112, no. 89 (M - 625) 18 September 1987 (1987-09-18) * |
Also Published As
Publication number | Publication date |
---|---|
GB2358915A (en) | 2001-08-08 |
EP1122498A2 (en) | 2001-08-08 |
GB0102221D0 (en) | 2001-03-14 |
GB0002263D0 (en) | 2000-03-22 |
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Legal Events
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---|---|---|---|
PUAI | Public reference made under article 153(3) epc to a published international application that has entered the european phase |
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AK | Designated contracting states |
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|
PUAL | Search report despatched |
Free format text: ORIGINAL CODE: 0009013 |
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STAA | Information on the status of an ep patent application or granted ep patent |
Free format text: STATUS: THE APPLICATION IS DEEMED TO BE WITHDRAWN |
|
AK | Designated contracting states |
Kind code of ref document: A3 Designated state(s): AT BE CH CY DE DK ES FI FR GB GR IE IT LI LU MC NL PT SE TR |
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AX | Request for extension of the european patent |
Extension state: AL LT LV MK RO SI |
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18D | Application deemed to be withdrawn |
Effective date: 20030801 |