FR2276577A1 - Dispositif de controle de l'etat des tubes de prelevement d'un fluide - Google Patents

Dispositif de controle de l'etat des tubes de prelevement d'un fluide

Info

Publication number
FR2276577A1
FR2276577A1 FR7513572A FR7513572A FR2276577A1 FR 2276577 A1 FR2276577 A1 FR 2276577A1 FR 7513572 A FR7513572 A FR 7513572A FR 7513572 A FR7513572 A FR 7513572A FR 2276577 A1 FR2276577 A1 FR 2276577A1
Authority
FR
France
Prior art keywords
tube
parallel
flow
anemometer
blockages
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
Application number
FR7513572A
Other languages
English (en)
French (fr)
Other versions
FR2276577B1 (ja
Inventor
Jacques Levoyer
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)
  • Examining Or Testing Airtightness (AREA)
  • Pipeline Systems (AREA)
  • Sampling And Sample Adjustment (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 (ja) 1974-06-28 1974-06-28

Publications (2)

Publication Number Publication Date
FR2276577A1 true FR2276577A1 (fr) 1976-01-23
FR2276577B1 FR2276577B1 (ja) 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 (ja)
CH (1) CH583415A5 (ja)
FR (1) FR2276577A1 (ja)

Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0333290A1 (en) * 1988-03-15 1989-09-20 Van Rietschoten & Houwens Noord-West B.V. Device for monitoring the suction vent duct(s) of a smoke/gas detection system
US5293771A (en) * 1992-09-01 1994-03-15 Ridenour Ralph Gaylord Gas leak sensor system
FR2711240A1 (fr) * 1993-10-12 1995-04-21 Cerga Dispositif de détection d'un faible déséquilibre de pression entre deux volumes d'air.
EP0670423A1 (en) * 1994-03-04 1995-09-06 Siemens Electric Limited Fuel vapor leak detection system
WO1997030426A1 (de) * 1996-02-15 1997-08-21 Wagner Alarm- Und Sicherungssysteme Gmbh Verfahren zur luftstromüberwachung in einer branderkennungsvorrichtung sowie branderkennungsvorrichtung zur durchführung des verfahrens
ES2265227A1 (es) * 2004-06-29 2007-02-01 Juan Valls Montava Sistema de boquillas para instalaciones de deteccion de incendios por aspiracion.
WO2015054749A1 (en) * 2013-10-16 2015-04-23 Xtralis Technologies Ltd Aspirated particle detection with various flow modifications
US10545041B2 (en) 2012-10-16 2020-01-28 Xtralis Technologies, Ltd. Addressability in particle detection

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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
CN111420332A (zh) * 2020-04-10 2020-07-17 王卫辉 消防设备及消防设备控制方法

Cited By (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0333290A1 (en) * 1988-03-15 1989-09-20 Van Rietschoten & Houwens Noord-West B.V. Device for monitoring the suction vent duct(s) of a smoke/gas detection system
US5293771A (en) * 1992-09-01 1994-03-15 Ridenour Ralph Gaylord Gas leak sensor system
WO1994005992A1 (en) * 1992-09-01 1994-03-17 Ridenour Ralph Gaylord Gas leak sensor system
GB2275540A (en) * 1992-09-01 1994-08-31 Ralph Gaylord Ridenour Gas leak sensor system
GB2275540B (en) * 1992-09-01 1995-09-06 Ralph Gaylord Ridenour Gas leak sensor system
FR2711240A1 (fr) * 1993-10-12 1995-04-21 Cerga Dispositif de détection d'un faible déséquilibre de pression entre deux volumes d'air.
EP0670423A1 (en) * 1994-03-04 1995-09-06 Siemens Electric Limited Fuel vapor leak detection system
WO1997030426A1 (de) * 1996-02-15 1997-08-21 Wagner Alarm- Und Sicherungssysteme Gmbh Verfahren zur luftstromüberwachung in einer branderkennungsvorrichtung sowie branderkennungsvorrichtung zur durchführung des verfahrens
ES2265227A1 (es) * 2004-06-29 2007-02-01 Juan Valls Montava Sistema de boquillas para instalaciones de deteccion de incendios por aspiracion.
US10545041B2 (en) 2012-10-16 2020-01-28 Xtralis Technologies, Ltd. Addressability in particle detection
WO2015054749A1 (en) * 2013-10-16 2015-04-23 Xtralis Technologies Ltd Aspirated particle detection with various flow modifications
CN105917208A (zh) * 2013-10-16 2016-08-31 爱克斯崔里斯科技有限公司 具有不同流修改的呼吸微粒探测
US10161837B2 (en) 2013-10-16 2018-12-25 Xtralis Technologies Ltd. Aspirated particle detection with various flow modifications

Also Published As

Publication number Publication date
FR2276577B1 (ja) 1979-10-05
JPS5529379B2 (ja) 1980-08-02
CH583415A5 (ja) 1976-12-31
JPS5117487A (ja) 1976-02-12

Similar Documents

Publication Publication Date Title
US4131011A (en) Method and device for determining the end point for drying
US4343194A (en) Flow sensing apparatus
FR2276577A1 (fr) Dispositif de controle de l'etat des tubes de prelevement d'un fluide
CN107179163B (zh) 大型变压器密封元件的高速吸枪泄漏检测装置及检测方法
US3981193A (en) Fluid pressure sensing apparatus
MacMillan Viscous effects on flattened pitot tubes at low speeds
GB1531143A (en) Portable air velocity measuring unit
GB1508245A (en) Moisture indicating apparatus
Stanton On the flow of gases at high speeds
JPS57100352A (en) Stationary type pitot tube
JPS5540223A (en) Engine intake air measuring device
JPS56164960A (en) 1-hole pitot tube device
GB1496887A (en) Chimney
KR900013296A (ko) 배기 가스의 유량 측정방법
JPS5565117A (en) Detection method of gas flow rate
US3981192A (en) Fluid pressure sensing apparatus
US2617295A (en) Measurement of the flow of liquids through grids and other baffling devices
FR2254073A1 (en) Auxiliary device for linear type fire detectors - involves low cost temperature sensitive device for use with linear detectors
SU712717A1 (ru) Устройство дл контрол герметичности шлюзов вентил ционных каналов
SU124684A1 (ru) Устройство дл дистанционного измерени водности облаков в полете
SU696293A1 (ru) Устройство дл измерени расхода газа
SU394664A1 (ru) УСТРОЙСТВО дл ИЗМЕРЕНИЯ РАСХОДА ВЗВЕШЕННЫХ ЧАСТИЦ ПРИ ПНЕВМОТРАНСПОРТЕ
JPS56120918A (en) Measuring device for flow rate in steam pipe
SAINGERN Forces on pipe entrance(Force measurement at pipe entrance)[M. S. Thesis]
JPS5926251Y2 (ja) 流量測定ダクト

Legal Events

Date Code Title Description
ST Notification of lapse