AT388454B - Vorrichtung zur ueberwachung der geschwindigkeit eines gasstromes in einem kanal - Google Patents
Vorrichtung zur ueberwachung der geschwindigkeit eines gasstromes in einem kanalInfo
- Publication number
- AT388454B AT388454B AT0269984A AT269984A AT388454B AT 388454 B AT388454 B AT 388454B AT 0269984 A AT0269984 A AT 0269984A AT 269984 A AT269984 A AT 269984A AT 388454 B AT388454 B AT 388454B
- Authority
- AT
- Austria
- Prior art keywords
- monitoring
- channel
- speed
- gas flow
- gas
- Prior art date
Links
- 238000012544 monitoring process Methods 0.000 title 1
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
- G01—MEASURING; TESTING
- G01F—MEASURING VOLUME, VOLUME FLOW, MASS FLOW OR LIQUID LEVEL; METERING BY VOLUME
- G01F1/00—Measuring the volume flow or mass flow of fluid or fluent solid material wherein the fluid passes through a meter in a continuous flow
- G01F1/68—Measuring the volume flow or mass flow of fluid or fluent solid material wherein the fluid passes through a meter in a continuous flow by using thermal effects
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01F—MEASURING VOLUME, VOLUME FLOW, MASS FLOW OR LIQUID LEVEL; METERING BY VOLUME
- G01F1/00—Measuring the volume flow or mass flow of fluid or fluent solid material wherein the fluid passes through a meter in a continuous flow
- G01F1/68—Measuring the volume flow or mass flow of fluid or fluent solid material wherein the fluid passes through a meter in a continuous flow by using thermal effects
- G01F1/696—Circuits therefor, e.g. constant-current flow meters
- G01F1/698—Feedback or rebalancing circuits, e.g. self heated constant temperature flowmeters
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01P—MEASURING LINEAR OR ANGULAR SPEED, ACCELERATION, DECELERATION, OR SHOCK; INDICATING PRESENCE, ABSENCE, OR DIRECTION, OF MOVEMENT
- G01P5/00—Measuring speed of fluids, e.g. of air stream; Measuring speed of bodies relative to fluids, e.g. of ship, of aircraft
- G01P5/10—Measuring speed of fluids, e.g. of air stream; Measuring speed of bodies relative to fluids, e.g. of ship, of aircraft by measuring thermal variables
- G01P5/12—Measuring speed of fluids, e.g. of air stream; Measuring speed of bodies relative to fluids, e.g. of ship, of aircraft by measuring thermal variables using variation of resistance of a heated conductor
-
- G—PHYSICS
- G08—SIGNALLING
- G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
- G08B29/00—Checking or monitoring of signalling or alarm systems; Prevention or correction of operating errors, e.g. preventing unauthorised operation
- G08B29/02—Monitoring continuously signalling or alarm systems
- G08B29/04—Monitoring of the detection circuits
-
- 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)
- Engineering & Computer Science (AREA)
- Fluid Mechanics (AREA)
- Emergency Management (AREA)
- Chemical & Material Sciences (AREA)
- Business, Economics & Management (AREA)
- Analytical Chemistry (AREA)
- Aviation & Aerospace Engineering (AREA)
- Computer Security & Cryptography (AREA)
- Fire-Detection Mechanisms (AREA)
- Measuring Volume Flow (AREA)
- Investigating Or Analyzing Materials By The Use Of Electric Means (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE3331203A DE3331203C2 (de) | 1983-08-30 | 1983-08-30 | Vorrichtung zur Überwachung der Geschwindigkeit eines Gasstromes in einem Kanal |
Publications (2)
Publication Number | Publication Date |
---|---|
ATA269984A ATA269984A (de) | 1988-11-15 |
AT388454B true AT388454B (de) | 1989-06-26 |
Family
ID=6207778
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
AT0269984A AT388454B (de) | 1983-08-30 | 1984-08-23 | Vorrichtung zur ueberwachung der geschwindigkeit eines gasstromes in einem kanal |
Country Status (7)
Country | Link |
---|---|
AT (1) | AT388454B (el) |
BE (1) | BE900472A (el) |
CH (1) | CH666356A5 (el) |
DE (1) | DE3331203C2 (el) |
FR (1) | FR2551215B1 (el) |
IT (1) | IT1198912B (el) |
NL (1) | NL191246C (el) |
Families Citing this family (17)
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. |
DE3811431A1 (de) * | 1988-04-05 | 1989-10-19 | Maria Dobosne Gyulai | Sensoranordnung zur erfassung gasfoermiger komponente |
DE4236559A1 (de) * | 1992-10-02 | 1994-04-07 | Kobold Klaus | Verfahren zum Kalibrieren eines kalorimetrischen Strömungwächters |
DE4428694C2 (de) * | 1994-08-12 | 1996-06-20 | Wagner Alarm Sicherung | Luftdruckkompensierte Branderkennungsvorrichtung und Verfahren |
JPH0989618A (ja) * | 1995-09-25 | 1997-04-04 | Smc Corp | 流量検出スイッチ |
DE29518042U1 (de) * | 1995-11-14 | 1996-01-25 | Wagner Alarm- und Sicherungssysteme GmbH, 30853 Langenhagen | Branddetektor |
DE19605637C1 (de) * | 1996-02-15 | 1997-05-07 | Wagner Alarm Sicherung | Verfahren zur Luftstromüberwachung in einer Branderkennungsvorrichtung sowie Branderkennungsvorrichtung zur Durchführung des Verfahrens |
DE19628456C2 (de) * | 1996-07-15 | 2001-03-15 | Wagner Alarm Sicherung | Luftfilter |
DE19830340C1 (de) * | 1998-07-07 | 1999-11-11 | Siemens Ag | Einrichtung zur selbsttätigen Beheizung eines Luftansauggitters für elektrische Geräte |
DE10140510B4 (de) * | 2001-08-17 | 2004-02-05 | Carl Freudenberg Kg | Verfahren und Vorrichtung zur Standzeitüberwachung eines Filters |
AU2003902318A0 (en) | 2003-05-14 | 2003-05-29 | Vision Fire And Security Pty Ltd | Improved Sensing Apparatus And Method |
US8412481B2 (en) | 2003-09-24 | 2013-04-02 | Vision Fire & Security Pty Ltd | Method and apparatus for determining operational condition of pollution monitoring equipment |
AU2004274988B2 (en) * | 2003-09-24 | 2009-07-23 | Garrett Thermal Systems Limited | Method and apparatus for determining operational condition of pollution monitoring equipment |
FR2871875B1 (fr) * | 2004-06-16 | 2006-07-28 | Air Liquide | Procede de controle de ventilation dans un conduit |
DE102004044094A1 (de) | 2004-09-09 | 2006-03-30 | Hekatron Vertriebs Gmbh | Ansaugender Brandmelder und Verfahren zu dessen Betrieb |
DE102005051123B4 (de) * | 2005-10-24 | 2007-10-18 | Smartgas Mikrosensorik Gmbh | Gaswarnanlage mit einer Funktion zur Erkennung von Manipulationsversuchen und Verfahren zur Überwachung einer Gaswarnanlage |
DE102007013295A1 (de) * | 2007-03-16 | 2008-09-18 | Aoa Apparatebau Gauting Gmbh | Rauchmelder |
Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3992940A (en) * | 1973-11-02 | 1976-11-23 | Chrysler Corporation | Solid state fluid flow sensor |
US4135396A (en) * | 1978-04-24 | 1979-01-23 | The Trane Company | Temperature compensating fluid velocity sensing apparatus |
DE2914275A1 (de) * | 1978-04-10 | 1979-10-18 | Hitachi Ltd | Luftdurchsatz-messvorrichtung |
DE2947856A1 (de) * | 1979-11-28 | 1981-07-23 | Robert Bosch Gmbh, 7000 Stuttgart | Vorrichtung zur messung der masse eines stroemenden mediums |
EP0078427A2 (en) * | 1981-10-16 | 1983-05-11 | Hitachi, Ltd. | Air flow meter |
Family Cites Families (12)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DD66378A (el) * | ||||
DD67054A (el) * | ||||
US2947938A (en) * | 1954-04-09 | 1960-08-02 | Victory Engineering Corp | Electrothermal measuring apparatus and method for the calibration thereof |
DE1061627B (de) | 1956-02-16 | 1959-07-16 | Pyrene Co Ltd | Vereinigte Raeuchspuer- und Feuerloeschanlage |
GB966343A (en) * | 1961-12-05 | 1964-08-12 | British Petroleum Co | Improvements relating to gas testing |
DE1473190B1 (de) * | 1963-10-09 | 1970-01-15 | Schaller Dipl Ing Werner | Geraet zur UEberwachung der Stroemung eines Mediums |
GB1086742A (en) * | 1964-03-13 | 1967-10-11 | English Electric Co Ltd | Gas flow detectors |
US3900819A (en) * | 1973-02-07 | 1975-08-19 | Environmental Instruments | Thermal directional fluid flow transducer |
SE391036B (sv) * | 1973-12-03 | 1977-01-31 | Elektronik Konstruktions Ab | Anordning for metning och/eller overvakning av ett strommande mediums stromningshastighet |
US3991613A (en) * | 1975-03-10 | 1976-11-16 | Corning Glass Works | Sensing element for flow meter |
GB1562488A (en) | 1975-11-19 | 1980-03-12 | Lucas Industries Ltd | Apparatus for indicating rate of ice eccretion |
GB1600988A (en) * | 1978-05-08 | 1981-10-21 | Shipowners Cargo Res Assoc | Refrigerated containers including airflow indicator |
-
1983
- 1983-08-30 DE DE3331203A patent/DE3331203C2/de not_active Expired
-
1984
- 1984-08-08 NL NL8402448A patent/NL191246C/xx not_active IP Right Cessation
- 1984-08-14 CH CH3923/84A patent/CH666356A5/de not_active IP Right Cessation
- 1984-08-22 IT IT09485/84A patent/IT1198912B/it active
- 1984-08-23 AT AT0269984A patent/AT388454B/de not_active IP Right Cessation
- 1984-08-29 FR FR8413332A patent/FR2551215B1/fr not_active Expired
- 1984-08-30 BE BE0/213569A patent/BE900472A/fr not_active IP Right Cessation
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3992940A (en) * | 1973-11-02 | 1976-11-23 | Chrysler Corporation | Solid state fluid flow sensor |
DE2914275A1 (de) * | 1978-04-10 | 1979-10-18 | Hitachi Ltd | Luftdurchsatz-messvorrichtung |
US4135396A (en) * | 1978-04-24 | 1979-01-23 | The Trane Company | Temperature compensating fluid velocity sensing apparatus |
DE2947856A1 (de) * | 1979-11-28 | 1981-07-23 | Robert Bosch Gmbh, 7000 Stuttgart | Vorrichtung zur messung der masse eines stroemenden mediums |
EP0078427A2 (en) * | 1981-10-16 | 1983-05-11 | Hitachi, Ltd. | Air flow meter |
Non-Patent Citations (2)
Title |
---|
F.X. EDER, ARBEITSMETHODEN DER THERMODYNAMIK, BAND 1, TEMPERATURMESSUNG, SPRINGER VERLAG 1981, SEITE 80-86 * |
J. NIEBUHR, PHYSIKALISCHE MESSTECHNIK, BAND 1, AUFNEHMER UND ANPASSER, R. OLDENBOURG VERLAG, 1977 SEITE 41-43 * |
Also Published As
Publication number | Publication date |
---|---|
ATA269984A (de) | 1988-11-15 |
NL191246C (nl) | 1995-04-03 |
NL191246B (nl) | 1994-11-01 |
DE3331203A1 (de) | 1985-03-14 |
FR2551215B1 (fr) | 1988-08-19 |
NL8402448A (nl) | 1985-03-18 |
IT8409485A0 (it) | 1984-08-22 |
FR2551215A1 (fr) | 1985-03-01 |
CH666356A5 (de) | 1988-07-15 |
DE3331203C2 (de) | 1987-05-07 |
IT1198912B (it) | 1988-12-21 |
BE900472A (fr) | 1985-02-28 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
ELJ | Ceased due to non-payment of the annual fee |