JPS55143321A - Safety system for gas supplying system - Google Patents
Safety system for gas supplying systemInfo
- Publication number
- JPS55143321A JPS55143321A JP5004479A JP5004479A JPS55143321A JP S55143321 A JPS55143321 A JP S55143321A JP 5004479 A JP5004479 A JP 5004479A JP 5004479 A JP5004479 A JP 5004479A JP S55143321 A JPS55143321 A JP S55143321A
- Authority
- JP
- Japan
- Prior art keywords
- gas
- cock
- flame
- circuit
- case
- 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
Abstract
PURPOSE: To prevent the outflow of unburnt gas automatically by closing an electromagnetic valve in response to a malfunction signal within a time period preset in a timer in case that gas has failed to be ignited or flame is extinguished unexpectedly during use of the gas.
CONSTITUTION: In each gas appliance 5 connected to gas supply passage 1, there are provided a switch S1 operated with opening and closing of respective appliance cock 4, a flame-sensitive element S2 which closes an electric circuit when combustion flame exists, and a controlling unit 6. To the control unit 6, there are afforded a "cock open" signal indicating that the appliance cock 4 is opened, obtained from signals of the switch S1 and the flame-sensitive element S2, and a malfunction signal indicating that gas is not ignited when a predetermined time period is passed after opening of the cock 4, which is given via a delay circuit or a timer 13. Further, there is provided a centralized controlling panel 7 which functions to close a circuit for supplying current to an electromagnetic valve 8 in case that a "cock open" signal is given from either one of the controlling units 6 and to open the said circuit in case that a malfunction signal is given from either one section in the system.
COPYRIGHT: (C)1980,JPO&Japio
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP5004479A JPS55143321A (en) | 1979-04-23 | 1979-04-23 | Safety system for gas supplying system |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP5004479A JPS55143321A (en) | 1979-04-23 | 1979-04-23 | Safety system for gas supplying system |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS55143321A true JPS55143321A (en) | 1980-11-08 |
Family
ID=12847988
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP5004479A Pending JPS55143321A (en) | 1979-04-23 | 1979-04-23 | Safety system for gas supplying system |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS55143321A (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS57179517A (en) * | 1981-04-28 | 1982-11-05 | Mitsubishi Electric Corp | Safety device of gas apparatus |
Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5360730A (en) * | 1976-11-12 | 1978-05-31 | Matsushita Electric Ind Co Ltd | Safety combustion device |
-
1979
- 1979-04-23 JP JP5004479A patent/JPS55143321A/en active Pending
Patent Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5360730A (en) * | 1976-11-12 | 1978-05-31 | Matsushita Electric Ind Co Ltd | Safety combustion device |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS57179517A (en) * | 1981-04-28 | 1982-11-05 | Mitsubishi Electric Corp | Safety device of gas apparatus |
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