JPS522483A - Smoke sensor apparatus for air conditioning duct - Google Patents
Smoke sensor apparatus for air conditioning ductInfo
- Publication number
- JPS522483A JPS522483A JP50078128A JP7812875A JPS522483A JP S522483 A JPS522483 A JP S522483A JP 50078128 A JP50078128 A JP 50078128A JP 7812875 A JP7812875 A JP 7812875A JP S522483 A JPS522483 A JP S522483A
- Authority
- JP
- Japan
- Prior art keywords
- smoke sensor
- air conditioning
- sensor apparatus
- conditioning duct
- constricted portion
- 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
Classifications
-
- G—PHYSICS
- G08—SIGNALLING
- G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
- G08B17/00—Fire alarms; Alarms responsive to explosion
- G08B17/10—Actuation by presence of smoke or gases, e.g. automatic alarm devices for analysing flowing fluid materials by the use of optical means
-
- G—PHYSICS
- G08—SIGNALLING
- G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
- G08B17/00—Fire alarms; Alarms responsive to explosion
- G08B17/10—Actuation by presence of smoke or gases, e.g. automatic alarm devices for analysing flowing fluid materials by the use of optical means
- G08B17/11—Actuation by presence of smoke or gases, e.g. automatic alarm devices for analysing flowing fluid materials by the use of optical means using an ionisation chamber for detecting smoke or gas
- G08B17/113—Constructional details
Landscapes
- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- Business, Economics & Management (AREA)
- Emergency Management (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Investigating Or Analysing Materials By Optical Means (AREA)
- Investigating Or Analyzing Materials By The Use Of Electric Means (AREA)
Abstract
PURPOSE:To provide an apparatus, which is simple in construction and operates reliably, by mounting a smoke sensor accommodated in a spherical cover provided at the bottom thereof with a hole in a cylinder serving as a ventilating duct and having a constricted portion in such a manner as to hold a gap with respect to the proximity of the suction side of the constricted portion.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP50078128A JPS522483A (en) | 1975-06-23 | 1975-06-23 | Smoke sensor apparatus for air conditioning duct |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP50078128A JPS522483A (en) | 1975-06-23 | 1975-06-23 | Smoke sensor apparatus for air conditioning duct |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS522483A true JPS522483A (en) | 1977-01-10 |
Family
ID=13653233
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP50078128A Pending JPS522483A (en) | 1975-06-23 | 1975-06-23 | Smoke sensor apparatus for air conditioning duct |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS522483A (en) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5921182U (en) * | 1982-07-30 | 1984-02-08 | トヨタ自動車株式会社 | flow control valve |
JPS61122553A (en) * | 1984-11-20 | 1986-06-10 | Shimizu Constr Co Ltd | Smoke sensor for clean room |
-
1975
- 1975-06-23 JP JP50078128A patent/JPS522483A/en active Pending
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5921182U (en) * | 1982-07-30 | 1984-02-08 | トヨタ自動車株式会社 | flow control valve |
JPS61122553A (en) * | 1984-11-20 | 1986-06-10 | Shimizu Constr Co Ltd | Smoke sensor for clean room |
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