JPS54140228A - Safety valve for gas equipment - Google Patents
Safety valve for gas equipmentInfo
- Publication number
- JPS54140228A JPS54140228A JP4855578A JP4855578A JPS54140228A JP S54140228 A JPS54140228 A JP S54140228A JP 4855578 A JP4855578 A JP 4855578A JP 4855578 A JP4855578 A JP 4855578A JP S54140228 A JPS54140228 A JP S54140228A
- Authority
- JP
- Japan
- Prior art keywords
- valve
- flame
- thermocouple
- resistance
- 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.)
- Pending
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
- F23N5/02—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
- F23N5/105—Systems for controlling combustion using devices responsive to thermal changes or to thermal expansion of a medium using thermocouples using electrical or electromechanical means
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Control Of Combustion (AREA)
Abstract
PURPOSE:To improve a valve starting response at the time of ignition by connecting a heat-sensing resistant transforming body in parallel with a circuit resistance of a thermocouple circuit or a valve control circuit. CONSTITUTION:Gas flows out from an inlet 2 of a valve box 1 to a gas passage 3. By being heated by a flame 11, a thermocouple 8 generates electromotive power and excites an electromagnet 6 to attract a valve body 4 so as to open a passage for gas. If the flame 11 should have gone off for some reason, as the electromotive power of the thermocouple 8 is removed, the electromagnet 6 is demagnitized to let the valve body 4 to close the gas passage. However, since there is a considerable time before the gas passage is closed after the flame 11 is gone off, a resistance 24 is inserted in series symmetrically an inductance L possessed by an electromagnetic coil 7. And further, in order to supplement shortage of electromotive power at the time of starting, a heat-sensing resistant transforming body 25 is connected in parallel so that resistance can be increased by low-resistant heating at a normal temperature.
Priority Applications (6)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP4855578A JPS54140228A (en) | 1978-04-24 | 1978-04-24 | Safety valve for gas equipment |
FR7836787A FR2413614A1 (en) | 1977-12-28 | 1978-12-28 | VALVE CONTROL SYSTEM FOR A GAS BURNER |
DE2856502A DE2856502C2 (en) | 1977-12-28 | 1978-12-28 | Valve control system for gas burners |
IT31396/78A IT1160415B (en) | 1977-12-28 | 1978-12-28 | COMMAND AND CONTROL SYSTEM FOR GAS BURNERS |
US05/974,083 US4318687A (en) | 1977-12-28 | 1978-12-28 | Gas burner control system |
GB7900643A GB2012039B (en) | 1978-01-10 | 1979-01-08 | Valve control apparatus |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP4855578A JPS54140228A (en) | 1978-04-24 | 1978-04-24 | Safety valve for gas equipment |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS54140228A true JPS54140228A (en) | 1979-10-31 |
Family
ID=12806616
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP4855578A Pending JPS54140228A (en) | 1977-12-28 | 1978-04-24 | Safety valve for gas equipment |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS54140228A (en) |
-
1978
- 1978-04-24 JP JP4855578A patent/JPS54140228A/en active Pending
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