GB890854A - Improvements in or relating to electrical condition-detecting apparatus, such as for use in flame-detection - Google Patents
Improvements in or relating to electrical condition-detecting apparatus, such as for use in flame-detectionInfo
- Publication number
- GB890854A GB890854A GB7256/58A GB725658A GB890854A GB 890854 A GB890854 A GB 890854A GB 7256/58 A GB7256/58 A GB 7256/58A GB 725658 A GB725658 A GB 725658A GB 890854 A GB890854 A GB 890854A
- Authority
- GB
- United Kingdom
- Prior art keywords
- thyratron
- counter
- voltage
- flame
- geiger
- 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
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
-
- 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
- F23N5/08—Systems for controlling combustion using devices responsive to thermal changes or to thermal expansion of a medium using light-sensitive elements
- F23N5/082—Systems for controlling combustion using devices responsive to thermal changes or to thermal expansion of a medium using light-sensitive elements using electronic means
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23N—REGULATING OR CONTROLLING COMBUSTION
- F23N2229/00—Flame sensors
- F23N2229/14—Flame sensors using two or more different types of flame sensor
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Regulation And Control Of Combustion (AREA)
- Control Of Combustion (AREA)
Abstract
890,854. Controlling burners. MINNEAPOLIS -HONEYWELL REGULATOR CO. March 6, 1958 [March 14, 1957], No. 7256/58. Class 75(1) [Also in Group XL(b)] In a device for sensing the presence of smoke or flame, the application of an energizing voltage to a non self-quenching radiation detector of the Geiger Mueller type is delayed, on switching on the device, until its associated quenching circuit has attained its operable condition. A Geiger counter 10 and quench thyratron 44 have a common load resistor 82. When the counter is subjected to radiation each counterpulse causes the thyratron to conduct whereby the voltage applied to the Geiger tube is reduced and its discharge is quenched. The energizing voltage for the counter is delayed by connecting the common HT supply to the thyratron and counter via a contact of a thermal delay relay 40 which is supplied from the same source as the thyratron heater voltage. The output of the quench circuit is amplified by a valve 22 and is applied via a diode 23 to an integrator circuit 63, 64. When the pulse rate exceeds a set value, the voltage across the integrator circuit exceeds the fixed bias on a discharge valve 24 which conducts and operates an alarm 75. The device can be used for controlling a fuel burner by sensing the presence or absence of a flame at the burner.
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US890854XA | 1957-03-14 | 1957-03-14 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB890854A true GB890854A (en) | 1962-03-07 |
Family
ID=22215605
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB7256/58A Expired GB890854A (en) | 1957-03-14 | 1958-03-06 | Improvements in or relating to electrical condition-detecting apparatus, such as for use in flame-detection |
Country Status (1)
| Country | Link |
|---|---|
| GB (1) | GB890854A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2016182732A1 (en) | 2015-05-13 | 2016-11-17 | Honeywell International Inc. | Utilizing a quench time to deionize an ultraviolet (uv) sensor tube |
-
1958
- 1958-03-06 GB GB7256/58A patent/GB890854A/en not_active Expired
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2016182732A1 (en) | 2015-05-13 | 2016-11-17 | Honeywell International Inc. | Utilizing a quench time to deionize an ultraviolet (uv) sensor tube |
| CN107532939A (en) * | 2015-05-13 | 2018-01-02 | 霍尼韦尔国际公司 | Using quenching time to ultraviolet（UV）Sensor tube deionization |
| EP3295135A4 (en) * | 2015-05-13 | 2019-02-06 | Honeywell International Inc. | Utilizing a quench time to deionize an ultraviolet (uv) sensor tube |
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