JPS52138898A - Thermal driving type fire detector - Google Patents

Thermal driving type fire detector

Info

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
Application number
JP5568276A
Other languages
Japanese (ja)
Inventor
Yasuyoshi Kameyama
Satoru Susaki
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Panasonic Electric Works Co Ltd
Original Assignee
Matsushita Electric Works Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Matsushita Electric Works Ltd filed Critical Matsushita Electric Works Ltd
Priority to JP5568276A priority Critical patent/JPS52138898A/en
Publication of JPS52138898A publication Critical patent/JPS52138898A/en
Pending legal-status Critical Current

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
JP5568276A 1976-05-15 1976-05-15 Thermal driving type fire detector Pending JPS52138898A (en)

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)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6877895B2 (en) * 2001-09-27 2005-04-12 Hochiki Corporation Fire sensor

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6877895B2 (en) * 2001-09-27 2005-04-12 Hochiki Corporation Fire sensor

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