BE827385A - Dispositif optique pour le controle de variations de debit - Google Patents
Dispositif optique pour le controle de variations de debitInfo
- Publication number
- BE827385A BE827385A BE154951A BE154951A BE827385A BE 827385 A BE827385 A BE 827385A BE 154951 A BE154951 A BE 154951A BE 154951 A BE154951 A BE 154951A BE 827385 A BE827385 A BE 827385A
- Authority
- BE
- Belgium
- Prior art keywords
- control
- flow rate
- optical device
- rate variations
- variations
- Prior art date
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
- G08B17/103—Actuation by presence of smoke or gases, e.g. automatic alarm devices for analysing flowing fluid materials by the use of optical means using a light emitting and receiving device
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
- G01N21/17—Systems in which incident light is modified in accordance with the properties of the material investigated
- G01N21/47—Scattering, i.e. diffuse reflection
- G01N21/49—Scattering, i.e. diffuse reflection within a body or fluid
- G01N21/53—Scattering, i.e. diffuse reflection within a body or fluid within a flowing fluid, e.g. smoke
- G01N21/534—Scattering, i.e. diffuse reflection within a body or fluid within a flowing fluid, e.g. smoke by measuring transmission alone, i.e. determining opacity
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
- G01N21/01—Arrangements or apparatus for facilitating the optical investigation
- G01N21/15—Preventing contamination of the components of the optical system or obstruction of the light path
- G01N2021/151—Gas blown
-
- 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
- Analytical Chemistry (AREA)
- General Physics & Mathematics (AREA)
- Physics & Mathematics (AREA)
- Chemical & Material Sciences (AREA)
- General Health & Medical Sciences (AREA)
- Biochemistry (AREA)
- Life Sciences & Earth Sciences (AREA)
- Health & Medical Sciences (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Business, Economics & Management (AREA)
- Emergency Management (AREA)
- Investigating Or Analysing Materials By Optical Means (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US05/455,558 US3954342A (en) | 1974-03-28 | 1974-03-28 | Optical device for monitoring clarity of a fluid |
Publications (1)
Publication Number | Publication Date |
---|---|
BE827385A true BE827385A (fr) | 1975-07-16 |
Family
ID=23809316
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
BE154951A BE827385A (fr) | 1974-03-28 | 1975-03-28 | Dispositif optique pour le controle de variations de debit |
Country Status (6)
Country | Link |
---|---|
US (1) | US3954342A (fr) |
JP (1) | JPS50141378A (fr) |
BE (1) | BE827385A (fr) |
CA (1) | CA1031597A (fr) |
DE (1) | DE2514450A1 (fr) |
GB (1) | GB1504737A (fr) |
Families Citing this family (37)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2272387B1 (fr) * | 1974-05-20 | 1976-10-15 | Rech Ind Liants Hy Centre Et | |
US4037973A (en) * | 1975-11-26 | 1977-07-26 | Optronix Inc. | Light sensitive device for measuring particles in a liquid |
US4072424A (en) * | 1976-01-30 | 1978-02-07 | Mcmullan James P | Optical device for measuring the turbidity of a liquid |
US4222497A (en) * | 1976-03-22 | 1980-09-16 | Xerox Corporation | System and method for monitoring and maintaining a predetermined concentration of material in a fluid carrier |
JPS5355135A (en) * | 1976-10-29 | 1978-05-19 | Komota Giken Kk | System for detecting optical physical amount |
US4185278A (en) * | 1977-09-22 | 1980-01-22 | HF Systems, Incorporated | Obscuration type smoke detector |
SE414231B (sv) * | 1977-11-18 | 1980-07-14 | Asea Ab | Siktmetare med minst en metstrecka |
AU523922B2 (en) * | 1978-04-28 | 1982-08-19 | Tokyo Shibaura Electric Company Ltd. | Apparatus for measuring the degree of rinsing |
FR2432948A1 (fr) * | 1978-07-26 | 1980-03-07 | Iao Industrie Riunite Spa | Montant pour suspensions du type mac pherson pour vehicules automobiles |
US4340326A (en) * | 1980-02-25 | 1982-07-20 | Cooper Industries, Inc. | Broken bit detector |
FI802220A (fi) * | 1980-07-11 | 1982-01-12 | Eflab Oy | Integrerande fotometer |
SE453015B (sv) * | 1981-11-25 | 1988-01-04 | Bergstrom Per Hakan Sture | Metanordning avsedd for metning av koncentrationen av partiklar som transporteras med en vetska genom ett ror |
DE3409003A1 (de) * | 1983-06-16 | 1984-12-20 | Shipley Co., Inc., Newton, Mass. | Messfuehler zur messung der metallionenkonzentration |
SE447680B (sv) * | 1984-11-01 | 1986-12-01 | Bygg Vesta Ab | Anordning vid en optisk varvtalsgivare |
DE3503626A1 (de) * | 1985-02-02 | 1986-08-07 | Otto Tuchenhagen GmbH & Co KG, 2059 Büchen | Optische sondenvorrichtung fuer die fotometrische analyse von in leitungen stroemenden fluiden |
US4647777A (en) * | 1985-05-31 | 1987-03-03 | Ametrek, Inc. | Selective gas detector |
US4662749A (en) * | 1985-11-08 | 1987-05-05 | Massachusetts Institute Of Technology | Fiber optic probe and system for particle size and velocity measurement |
US4890920A (en) * | 1986-02-12 | 1990-01-02 | Combustion Engineering, Inc. | In situ particle size measuring device |
JPH0765963B2 (ja) * | 1986-04-07 | 1995-07-19 | ホーチキ株式会社 | 減光式煙感知器 |
US4710643A (en) * | 1986-08-08 | 1987-12-01 | Marine Moisture Control Company, Inc. | Method and apparatus for determining the degree of purity of a liquid |
US4935346A (en) | 1986-08-13 | 1990-06-19 | Lifescan, Inc. | Minimum procedure system for the determination of analytes |
JPH0765964B2 (ja) * | 1986-11-14 | 1995-07-19 | ホーチキ株式会社 | 減光式煙感知器 |
DE3726524A1 (de) * | 1987-08-10 | 1989-02-23 | Fresenius Ag | Haemoglobindetektor |
DE3938617A1 (de) * | 1989-11-21 | 1991-05-29 | Battelle Institut E V | Verfahren und vorrichtung zur extinktionsmessung in einem aerosol |
DE4232371C2 (de) * | 1992-09-26 | 1995-02-02 | Kernforschungsz Karlsruhe | Analysengerät zur Bestimmung von Gasen oder Flüssigkeiten |
US5352901A (en) * | 1993-04-26 | 1994-10-04 | Cummins Electronics Company, Inc. | Forward and back scattering loss compensated smoke detector |
US5424842A (en) * | 1993-04-27 | 1995-06-13 | Cummins Electronics Company, Inc. | Self-cleaning system for monitoring the opacity of combustion engine exhaust using venturi effect |
US6653150B1 (en) | 1996-11-13 | 2003-11-25 | The Administrators Of The Tulane Educational Fund | Automatic mixing and dilution methods for online characterization of equilibrium and non-equilibrium properties of solutions containing polymers and/or colloids |
US6052184A (en) * | 1996-11-13 | 2000-04-18 | The Administrators Of The Tulane Educational Fund | Miniature, submersible, versatile, light scattering probe for absolute equilibrium and non-equilibrium characterization of macromolecular and colloidal solutions |
US6458326B1 (en) | 1999-11-24 | 2002-10-01 | Home Diagnostics, Inc. | Protective test strip platform |
US6525330B2 (en) | 2001-02-28 | 2003-02-25 | Home Diagnostics, Inc. | Method of strip insertion detection |
US6541266B2 (en) | 2001-02-28 | 2003-04-01 | Home Diagnostics, Inc. | Method for determining concentration of an analyte in a test strip |
US6562625B2 (en) | 2001-02-28 | 2003-05-13 | Home Diagnostics, Inc. | Distinguishing test types through spectral analysis |
US6565352B2 (en) | 2001-04-09 | 2003-05-20 | Ken E. Nielsen | Smoke density monitor |
JP3482495B2 (ja) * | 2001-08-10 | 2003-12-22 | ホーコス株式会社 | 工作機械及び、工作機械用潤滑剤噴出状態検出装置 |
US7319524B2 (en) * | 2005-03-28 | 2008-01-15 | Honeywell International, Inc. | Air purged optical densitometer |
CL2015001499A1 (es) | 2015-06-03 | 2015-11-27 | Tailpro Consulting Spa | Aparato y método para pruebas de sedimentación estática que comprende una pluralidad de probetas de sedimentación, las cuales se someten a las mismas condiciones de mezcla. |
Family Cites Families (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3809913A (en) * | 1972-10-20 | 1974-05-07 | Steel Corp | Detector for particulate matter in flowing gas streams |
-
1974
- 1974-03-28 US US05/455,558 patent/US3954342A/en not_active Expired - Lifetime
-
1975
- 1975-03-25 GB GB12374/75A patent/GB1504737A/en not_active Expired
- 1975-03-27 CA CA223,332A patent/CA1031597A/fr not_active Expired
- 1975-03-28 JP JP50037002A patent/JPS50141378A/ja active Pending
- 1975-03-28 BE BE154951A patent/BE827385A/fr unknown
- 1975-04-01 DE DE19752514450 patent/DE2514450A1/de active Pending
Also Published As
Publication number | Publication date |
---|---|
GB1504737A (en) | 1978-03-22 |
US3954342A (en) | 1976-05-04 |
CA1031597A (fr) | 1978-05-23 |
JPS50141378A (fr) | 1975-11-13 |
DE2514450A1 (de) | 1975-10-02 |
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