ZA731472B - Improvements in or relating to control valves - Google Patents
Improvements in or relating to control valvesInfo
- Publication number
- ZA731472B ZA731472B ZA731472A ZA731472A ZA731472B ZA 731472 B ZA731472 B ZA 731472B ZA 731472 A ZA731472 A ZA 731472A ZA 731472 A ZA731472 A ZA 731472A ZA 731472 B ZA731472 B ZA 731472B
- Authority
- ZA
- South Africa
- Prior art keywords
- relating
- control valves
- valves
- control
- Prior art date
Links
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23Q—IGNITION; EXTINGUISHING-DEVICES
- F23Q9/00—Pilot flame igniters
- F23Q9/08—Pilot flame igniters with interlock with main fuel supply
- F23Q9/12—Pilot flame igniters with interlock with main fuel supply to permit the supply to the main burner in dependence upon existence of pilot flame
- F23Q9/14—Pilot flame igniters with interlock with main fuel supply to permit the supply to the main burner in dependence upon existence of pilot flame using electric means, e.g. by light-sensitive elements
-
- 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
- F23N5/10—Systems for controlling combustion using devices responsive to thermal changes or to thermal expansion of a medium using thermocouples
- F23N5/107—Systems for controlling combustion using devices responsive to thermal changes or to thermal expansion of a medium using thermocouples using mechanical means, e.g. safety valves
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Feeding And Controlling Fuel (AREA)
- Magnetically Actuated Valves (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB1003172A GB1417399A (en) | 1972-03-03 | 1972-03-03 | Control valves |
Publications (1)
Publication Number | Publication Date |
---|---|
ZA731472B true ZA731472B (en) | 1974-10-30 |
Family
ID=9960181
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
ZA731472A ZA731472B (en) | 1972-03-03 | 1973-03-02 | Improvements in or relating to control valves |
Country Status (2)
Country | Link |
---|---|
GB (1) | GB1417399A (en) |
ZA (1) | ZA731472B (en) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6021808A (en) * | 1998-01-21 | 2000-02-08 | Dulac; Lawrence M. | Fluid supply shut off valve system and fluid monitoring device for use with same |
US6823887B2 (en) | 2001-02-08 | 2004-11-30 | Lawrence M. Dulac | Water heater shut off device with water pressure delay line |
-
1972
- 1972-03-03 GB GB1003172A patent/GB1417399A/en not_active Expired
-
1973
- 1973-03-02 ZA ZA731472A patent/ZA731472B/en unknown
Also Published As
Publication number | Publication date |
---|---|
GB1417399A (en) | 1975-12-10 |
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