CA1181507A - Fail safe digital fuel ignition system - Google Patents
Fail safe digital fuel ignition systemInfo
- Publication number
- CA1181507A CA1181507A CA000403967A CA403967A CA1181507A CA 1181507 A CA1181507 A CA 1181507A CA 000403967 A CA000403967 A CA 000403967A CA 403967 A CA403967 A CA 403967A CA 1181507 A CA1181507 A CA 1181507A
- Authority
- CA
- Canada
- Prior art keywords
- output
- fuel burner
- control system
- fail safe
- potentials
- 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
Links
- 239000000446 fuel Substances 0.000 title claims abstract description 58
- 239000007787 solid Substances 0.000 claims description 20
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 claims description 17
- 229910052710 silicon Inorganic materials 0.000 claims description 17
- 239000010703 silicon Substances 0.000 claims description 17
- 239000003990 capacitor Substances 0.000 claims description 16
- 238000006243 chemical reaction Methods 0.000 claims description 5
- 238000001514 detection method Methods 0.000 claims description 5
- 238000000034 method Methods 0.000 claims description 5
- 230000004044 response Effects 0.000 claims description 3
- 230000003334 potential effect Effects 0.000 claims description 2
- 230000008569 process Effects 0.000 claims description 2
- 230000001276 controlling effect Effects 0.000 claims 1
- 230000001105 regulatory effect Effects 0.000 claims 1
- 239000004020 conductor Substances 0.000 description 20
- 238000004804 winding Methods 0.000 description 13
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 8
- 230000006641 stabilisation Effects 0.000 description 7
- 238000011105 stabilization Methods 0.000 description 7
- 230000008859 change Effects 0.000 description 5
- 230000008878 coupling Effects 0.000 description 5
- 238000010168 coupling process Methods 0.000 description 5
- 238000005859 coupling reaction Methods 0.000 description 5
- 239000007789 gas Substances 0.000 description 5
- 239000003345 natural gas Substances 0.000 description 4
- IYRDVAUFQZOLSB-UHFFFAOYSA-N copper iron Chemical compound [Fe].[Cu] IYRDVAUFQZOLSB-UHFFFAOYSA-N 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 206010016352 Feeling of relaxation Diseases 0.000 description 1
- 230000001934 delay Effects 0.000 description 1
- 230000003111 delayed effect Effects 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
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
- F23N5/12—Systems for controlling combustion using devices responsive to thermal changes or to thermal expansion of a medium using ionisation-sensitive elements, i.e. flame rods
- F23N5/123—Systems for controlling combustion using devices responsive to thermal changes or to thermal expansion of a medium using ionisation-sensitive elements, i.e. flame rods using electronic means
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23N—REGULATING OR CONTROLLING COMBUSTION
- F23N2227/00—Ignition or checking
- F23N2227/22—Pilot burners
- F23N2227/24—Pilot burners the pilot burner not burning continuously
-
- 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
- F23N2229/02—Pilot flame sensors
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23N—REGULATING OR CONTROLLING COMBUSTION
- F23N2229/00—Flame sensors
- F23N2229/12—Flame sensors with flame rectification current detecting means
-
- 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
-
- 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
- F23N2235/18—Groups of two or more valves
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)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US06/286,912 US4384845A (en) | 1981-07-27 | 1981-07-27 | Fail safe digital fuel ignition system |
| US286,912 | 1988-12-20 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CA1181507A true CA1181507A (en) | 1985-01-22 |
Family
ID=23100695
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CA000403967A Expired CA1181507A (en) | 1981-07-27 | 1982-05-28 | Fail safe digital fuel ignition system |
Country Status (5)
| Country | Link |
|---|---|
| US (1) | US4384845A (enExample) |
| EP (1) | EP0071173B1 (enExample) |
| JP (1) | JPS5824724A (enExample) |
| CA (1) | CA1181507A (enExample) |
| DE (1) | DE3278673D1 (enExample) |
Families Citing this family (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4581697A (en) * | 1983-10-03 | 1986-04-08 | Johnson Service Company | Controller for combustible fuel burner |
| US4641043A (en) * | 1985-09-12 | 1987-02-03 | Honeywell Inc. | Printed wiring board means with isolated voltage source means |
| US4681529A (en) * | 1986-05-28 | 1987-07-21 | William Home | Automatic electronic ignition system |
| US4832594A (en) * | 1987-09-10 | 1989-05-23 | Hamilton Standard Controls, Inc. | Control system with timer redundancy |
| US4871307A (en) * | 1988-11-02 | 1989-10-03 | Harris George W | Flame ignition and monitoring system and method |
| US5131837A (en) * | 1990-09-19 | 1992-07-21 | Honeywell Inc. | Backup trial for ignition timer |
| GB2367172B (en) * | 2000-04-26 | 2004-02-18 | Pektron Group Ltd | Detection apparatus and a method of detection |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3437884A (en) * | 1966-11-21 | 1969-04-08 | Protection Controls Inc | Flame monitoring circuit |
| DE2104913A1 (de) * | 1970-02-09 | 1971-10-28 | Normalair Garrett Ltd | Programmzeitgeber |
| FR2128949A5 (enExample) * | 1971-03-09 | 1972-10-27 | Motobecane Ateliers | |
| US4161792A (en) * | 1976-11-03 | 1979-07-24 | The Standard Products Company | Waste disposal system and method |
| JPS587130B2 (ja) * | 1976-11-29 | 1983-02-08 | 株式会社日立製作所 | 燃焼制御装置 |
| JPS5387032A (en) * | 1977-01-10 | 1978-08-01 | Hitachi Ltd | Digital system combustion regulating equipment |
| US4238184A (en) * | 1979-07-20 | 1980-12-09 | Honeywell Inc. | Flame detection system using a voltage clipper means |
-
1981
- 1981-07-27 US US06/286,912 patent/US4384845A/en not_active Expired - Lifetime
-
1982
- 1982-05-28 CA CA000403967A patent/CA1181507A/en not_active Expired
- 1982-07-21 DE DE8282106571T patent/DE3278673D1/de not_active Expired
- 1982-07-21 EP EP82106571A patent/EP0071173B1/en not_active Expired
- 1982-07-26 JP JP57129097A patent/JPS5824724A/ja active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| US4384845A (en) | 1983-05-24 |
| EP0071173B1 (en) | 1988-06-15 |
| EP0071173A3 (en) | 1984-05-16 |
| JPS5824724A (ja) | 1983-02-14 |
| EP0071173A2 (en) | 1983-02-09 |
| DE3278673D1 (en) | 1988-07-21 |
| JPH0160735B2 (enExample) | 1989-12-25 |
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| Publication | Publication Date | Title |
|---|---|---|
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| MKEC | Expiry (correction) | ||
| MKEX | Expiry |