JPS5258297A - Sprinkler head - Google Patents
Sprinkler headInfo
- Publication number
- JPS5258297A JPS5258297A JP13371175A JP13371175A JPS5258297A JP S5258297 A JPS5258297 A JP S5258297A JP 13371175 A JP13371175 A JP 13371175A JP 13371175 A JP13371175 A JP 13371175A JP S5258297 A JPS5258297 A JP S5258297A
- Authority
- JP
- Japan
- Prior art keywords
- sprinkler head
- pilot valve
- dispersion
- eliminate
- variation
- 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.)
- Granted
Links
Abstract
PURPOSE: To eliminate both variation of load and dispersion of operating temperature of a pilot valve, by a system characterized in that the pilot valve interlocks with a bimetal disc, and water flow is operated by pressure change of a main cylinder chamber and an auxiliary chamber.
COPYRIGHT: (C)1977,JPO&Japio
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP13371175A JPS5258297A (en) | 1975-11-06 | 1975-11-06 | Sprinkler head |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP13371175A JPS5258297A (en) | 1975-11-06 | 1975-11-06 | Sprinkler head |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS5258297A true JPS5258297A (en) | 1977-05-13 |
JPS553948B2 JPS553948B2 (en) | 1980-01-28 |
Family
ID=15111096
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP13371175A Granted JPS5258297A (en) | 1975-11-06 | 1975-11-06 | Sprinkler head |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS5258297A (en) |
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4368782A (en) * | 1979-02-28 | 1983-01-18 | Mather & Platt Limited | On/off sprinkler head with temperature responsive exhaust port valve |
JPS60249977A (en) * | 1984-05-25 | 1985-12-10 | 株式会社タツノ・メカトロニクス | Sprinkler |
US5117916A (en) * | 1990-04-11 | 1992-06-02 | Hochiki Kabushiki Kaisha | Sprinkler head and operation monitor therefor |
US5533576A (en) * | 1994-08-01 | 1996-07-09 | Grinnell Corporation | Automatic on-off fire protection sprinkler |
-
1975
- 1975-11-06 JP JP13371175A patent/JPS5258297A/en active Granted
Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4368782A (en) * | 1979-02-28 | 1983-01-18 | Mather & Platt Limited | On/off sprinkler head with temperature responsive exhaust port valve |
JPS60249977A (en) * | 1984-05-25 | 1985-12-10 | 株式会社タツノ・メカトロニクス | Sprinkler |
JPH0571272B2 (en) * | 1984-05-25 | 1993-10-06 | Tatsuno Mechatronics Kk | |
US5117916A (en) * | 1990-04-11 | 1992-06-02 | Hochiki Kabushiki Kaisha | Sprinkler head and operation monitor therefor |
US5533576A (en) * | 1994-08-01 | 1996-07-09 | Grinnell Corporation | Automatic on-off fire protection sprinkler |
Also Published As
Publication number | Publication date |
---|---|
JPS553948B2 (en) | 1980-01-28 |
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