JPS52138898A - Thermal driving type fire detector - Google Patents
Thermal driving type fire detectorInfo
- Publication number
- JPS52138898A JPS52138898A JP5568276A JP5568276A JPS52138898A JP S52138898 A JPS52138898 A JP S52138898A JP 5568276 A JP5568276 A JP 5568276A JP 5568276 A JP5568276 A JP 5568276A JP S52138898 A JPS52138898 A JP S52138898A
- Authority
- JP
- Japan
- Prior art keywords
- fire detector
- type fire
- driving type
- thermal driving
- detector housing
- 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
- Fire-Detection Mechanisms (AREA)
Abstract
PURPOSE: To increase the effect of fire detection by protrusively providing arc-shaped outer-circumferential raised ribs via fixed spaces on the circumference centering at the central part of detector housing on the bottom surface of the detector housing around temperature sensing part efficiently introducing hot air flow flowing at ceiling part.
COPYRIGHT: (C)1977,JPO&Japio
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP5568276A JPS52138898A (en) | 1976-05-15 | 1976-05-15 | Thermal driving type fire detector |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP5568276A JPS52138898A (en) | 1976-05-15 | 1976-05-15 | Thermal driving type fire detector |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS52138898A true JPS52138898A (en) | 1977-11-19 |
Family
ID=13005657
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP5568276A Pending JPS52138898A (en) | 1976-05-15 | 1976-05-15 | Thermal driving type fire detector |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS52138898A (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6877895B2 (en) * | 2001-09-27 | 2005-04-12 | Hochiki Corporation | Fire sensor |
-
1976
- 1976-05-15 JP JP5568276A patent/JPS52138898A/en active Pending
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6877895B2 (en) * | 2001-09-27 | 2005-04-12 | Hochiki Corporation | Fire sensor |
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