JPS5569371A - Earthquake-proof magnetic gas shut-off device - Google Patents
Earthquake-proof magnetic gas shut-off deviceInfo
- Publication number
- JPS5569371A JPS5569371A JP14301578A JP14301578A JPS5569371A JP S5569371 A JPS5569371 A JP S5569371A JP 14301578 A JP14301578 A JP 14301578A JP 14301578 A JP14301578 A JP 14301578A JP S5569371 A JPS5569371 A JP S5569371A
- Authority
- JP
- Japan
- Prior art keywords
- valve
- magnetic
- magnet
- earthquake
- plates
- 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
Landscapes
- Safety Valves (AREA)
- Regulation And Control Of Combustion (AREA)
Abstract
PURPOSE: To shut off gas feed in case of an earthquake, by magnetically adsorbing a valve to the gas feed port.
CONSTITUTION: As an earthquake occurs, a weight 8 is oscillated by a spring 6 back and forth, to and fro, which makes a magnet supporting arm 9 of a quake sensing rod 7 separated from a fitting end 16 of a permanent magnet 10. Then the magnet 10 leans to the right and falls down. The fallen magnet 10 is magnetically adosrbed by magnetic reacting plates 17 of magnetic induction plate 4 after colliding with the plates 17. Magnetic poles N, S are generated on both reacting plates 17 at this moment, respectively. A valve 13, which is fixed through a hinge 14 to the magnetic induction plate 4 in a valve chamber 3, is magnetically adsorbed by the magnetic reacting plate 17 from its hanging position. As a result, a gas port 12 is blocked by the valve 13.
COPYRIGHT: (C)1980,JPO&Japio
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP14301578A JPS5569371A (en) | 1978-11-19 | 1978-11-19 | Earthquake-proof magnetic gas shut-off device |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP14301578A JPS5569371A (en) | 1978-11-19 | 1978-11-19 | Earthquake-proof magnetic gas shut-off device |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS5569371A true JPS5569371A (en) | 1980-05-24 |
Family
ID=15328948
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP14301578A Pending JPS5569371A (en) | 1978-11-19 | 1978-11-19 | Earthquake-proof magnetic gas shut-off device |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS5569371A (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2013024186A (en) * | 2011-07-25 | 2013-02-04 | Toyota Motor Corp | Solenoid valve and engine cooling apparatus |
-
1978
- 1978-11-19 JP JP14301578A patent/JPS5569371A/en active Pending
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2013024186A (en) * | 2011-07-25 | 2013-02-04 | Toyota Motor Corp | Solenoid valve and engine cooling apparatus |
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