JPS5514492A - Emergency gas cut-off device - Google Patents
Emergency gas cut-off deviceInfo
- Publication number
- JPS5514492A JPS5514492A JP4958679A JP4958679A JPS5514492A JP S5514492 A JPS5514492 A JP S5514492A JP 4958679 A JP4958679 A JP 4958679A JP 4958679 A JP4958679 A JP 4958679A JP S5514492 A JPS5514492 A JP S5514492A
- Authority
- JP
- Japan
- Prior art keywords
- groove
- seal member
- inlet port
- port
- ports
- 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 assuredly cut off the gas flowing from an inlet port to an outlet port by means of a valve body which fits closely to the inlet port together with a seal member.
CONSTITUTION: An inlet port 2 opening upward is formed near the center of a main body 1, and the portion around the port 2 is recessed below the top face of the main body 1 to form a groove 3. An outlet port 4 having an aperture slightly smaller than the width of the groove 3 is formed downward from a proper position of the groove 3. An elastic round seal member 9 is arranged in the portion above the ports 2 and 4 and the groove 3, with the periphery covered airtight by a cap plate 10. The lower face of the seal member 9 communicates with the ports 2 and 4 to form an air chamber 11 of a proper volume. In emergency, a movable shaft 13 is freed from the attractive force of a permanent magnet 18, and a valve body 14 falls and pushes down the seal member 9 to plug up the inlet port 2 closely.
COPYRIGHT: (C)1980,JPO&Japio
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP4958679A JPS5514492A (en) | 1979-04-20 | 1979-04-20 | Emergency gas cut-off device |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP4958679A JPS5514492A (en) | 1979-04-20 | 1979-04-20 | Emergency gas cut-off device |
Related Parent Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP11370477A Division JPS5447123A (en) | 1977-09-20 | 1977-09-20 | Automatic gas cutoff |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS5514492A true JPS5514492A (en) | 1980-01-31 |
Family
ID=12835319
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP4958679A Pending JPS5514492A (en) | 1979-04-20 | 1979-04-20 | Emergency gas cut-off device |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS5514492A (en) |
-
1979
- 1979-04-20 JP JP4958679A patent/JPS5514492A/en active Pending
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