FR2276577B1 - - Google Patents

Info

Publication number
FR2276577B1
FR2276577B1 FR7513572A FR7513572A FR2276577B1 FR 2276577 B1 FR2276577 B1 FR 2276577B1 FR 7513572 A FR7513572 A FR 7513572A FR 7513572 A FR7513572 A FR 7513572A FR 2276577 B1 FR2276577 B1 FR 2276577B1
Authority
FR
France
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.)
Expired
Application number
FR7513572A
Other languages
French (fr)
Other versions
FR2276577A1 (fr
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.)
Cerberus AG
Original Assignee
Cerberus AG
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 Cerberus AG filed Critical Cerberus AG
Publication of FR2276577A1 publication Critical patent/FR2276577A1/fr
Application granted granted Critical
Publication of FR2276577B1 publication Critical patent/FR2276577B1/fr
Granted legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
    • G01M3/00—Investigating fluid-tightness of structures
    • G01M3/02—Investigating fluid-tightness of structures by using fluid or vacuum
    • G01M3/26—Investigating fluid-tightness of structures by using fluid or vacuum by measuring rate of loss or gain of fluid, e.g. by pressure-responsive devices, by flow detectors
    • 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

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Chemical & Material Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Business, Economics & Management (AREA)
  • Emergency Management (AREA)
  • Sampling And Sample Adjustment (AREA)
  • Examining Or Testing Airtightness (AREA)
  • Pipeline Systems (AREA)
  • Fire-Detection Mechanisms (AREA)
FR7513572A 1974-06-28 1975-04-30 Dispositif de controle de l'etat des tubes de prelevement d'un fluide Granted FR2276577A1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CH891874A CH583415A5 (de) 1974-06-28 1974-06-28

Publications (2)

Publication Number Publication Date
FR2276577A1 FR2276577A1 (fr) 1976-01-23
FR2276577B1 true FR2276577B1 (de) 1979-10-05

Family

ID=4346270

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7513572A Granted FR2276577A1 (fr) 1974-06-28 1975-04-30 Dispositif de controle de l'etat des tubes de prelevement d'un fluide

Country Status (3)

Country Link
JP (1) JPS5529379B2 (de)
CH (1) CH583415A5 (de)
FR (1) FR2276577A1 (de)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL8800634A (nl) * 1988-03-15 1989-10-02 Westinghouse Elektrotechniek E Inrichting voor het bewaken van de afzuigleiding(en) van een rook/gasdetectiesysteem.
JP2564400Y2 (ja) * 1991-10-23 1998-03-09 三菱重工業株式会社 ラミナフロー冷却装置
US5293771A (en) * 1992-09-01 1994-03-15 Ridenour Ralph Gaylord Gas leak sensor system
FR2711240B1 (fr) * 1993-10-12 1995-12-15 Cerga Dispositif de détection d'un faible déséquilibre de pression entre deux volumes d'air.
US5390645A (en) * 1994-03-04 1995-02-21 Siemens Electric Limited Fuel vapor leak detection system
DE19605637C1 (de) * 1996-02-15 1997-05-07 Wagner Alarm Sicherung Verfahren zur Luftstromüberwachung in einer Branderkennungsvorrichtung sowie Branderkennungsvorrichtung zur Durchführung des Verfahrens
ES2265227B1 (es) * 2004-06-29 2007-12-16 Juan Valls Montava Sistema de boquillas para instalaciones de deteccion de incendios por aspiracion.
JP6438399B2 (ja) 2012-10-16 2018-12-12 ギャレット・サーマル・システムズ・リミテッドＧａｒｒｅｔｔ Ｔｈｅｒｍａｌ Ｓｙｓｔｅｍｓ Ｌｉｍｉｔｅｄ 粒子検出におけるアドレス指定能力
EP3058335A4 (de) * 2013-10-16 2017-06-28 Xtralis Technologies Ltd Erkennung belüfteter teilchen mit variierenden strömungsmodifikationen
CN111420332A (zh) * 2020-04-10 2020-07-17 王卫辉 消防设备及消防设备控制方法

Also Published As

Publication number Publication date
JPS5529379B2 (de) 1980-08-02
FR2276577A1 (fr) 1976-01-23
CH583415A5 (de) 1976-12-31
JPS5117487A (de) 1976-02-12

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Legal Events

Date Code Title Description
ST Notification of lapse