BE699266A - - Google Patents
Info
- Publication number
- BE699266A BE699266A BE699266DA BE699266A BE 699266 A BE699266 A BE 699266A BE 699266D A BE699266D A BE 699266DA BE 699266 A BE699266 A BE 699266A
- Authority
- BE
- Belgium
Links
Classifications
-
- 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
- G01N21/25—Colour; Spectral properties, i.e. comparison of effect of material on the light at two or more different wavelengths or wavelength bands
- G01N21/27—Colour; Spectral properties, i.e. comparison of effect of material on the light at two or more different wavelengths or wavelength bands using photo-electric detection ; circuits for computing concentration
-
- 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
Landscapes
- Physics & Mathematics (AREA)
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- Biochemistry (AREA)
- General Health & Medical Sciences (AREA)
- General Physics & Mathematics (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Engineering & Computer Science (AREA)
- Mathematical Physics (AREA)
- Theoretical Computer Science (AREA)
- Spectroscopy & Molecular Physics (AREA)
- Investigating Or Analysing Materials By Optical Means (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US450155A US3417250A (en) | 1965-04-22 | 1965-04-22 | Oil mist particle density detection method and apparatus utilizing a stable oil coating and a unijunction oscillator circuit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE699266A true BE699266A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1967-11-03 |
Family
ID=23786993
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE699266D BE699266A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1965-04-22 | 1967-05-31 |
Country Status (5)
Families Citing this family (9)
| 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 |
| FR2208527A6 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) * | 1972-11-24 | 1974-06-21 | Perieres Jacques | |
| 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 |
| US4687327A (en) * | 1985-02-25 | 1987-08-18 | The Dow Chemical Company | Oil mist monitor |
| JPH0289366U (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) * | 1988-12-27 | 1990-07-16 | ||
| US6091484A (en) * | 1997-05-23 | 2000-07-18 | Col-Ven S.A. | Oil quantity and quality indicator |
| US20080297766A1 (en) * | 2007-05-31 | 2008-12-04 | Caterpillar Inc. | System and method for measuring fluid aeration |
| CN109904033B (zh) * | 2017-11-29 | 2021-02-09 | 上海乐研电气有限公司 | 一种气体密度继电器超压信号实现保持的方法 |
| CN111157858B (zh) * | 2020-01-07 | 2022-01-25 | 岭东核电有限公司 | 核电站变压器内部金属颗粒检测方法 |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2324304A (en) * | 1939-08-24 | 1943-07-13 | Katzman Jacob | Turbidity meter |
| US2580500A (en) * | 1949-04-25 | 1952-01-01 | Albert Paul Mch | Device for determining turbidity within a body of liquid |
| US2591737A (en) * | 1950-11-28 | 1952-04-08 | Nat Lead Co | Detection of oil in mud-laden well drilling fluids |
| US2862416A (en) * | 1954-06-09 | 1958-12-02 | Gen Electric | Light intensity measuring device including semiconductor translating circuit |
| US3206612A (en) * | 1960-08-18 | 1965-09-14 | James E Swanekamp | Signal time comparison circuit utilizing ujt characteristics |
| US3308300A (en) * | 1963-09-30 | 1967-03-07 | Stewart Warner Corp | Photodetection fluid monitor including alarm circuit with fail-safe means |
| US3268734A (en) * | 1963-09-30 | 1966-08-23 | Stewart Warner Corp | Oil mist fluid monitor |
-
1965
- 1965-04-22 US US450155A patent/US3417250A/en not_active Expired - Lifetime
-
1966
- 1966-04-19 DE DE19661524682 patent/DE1524682A1/de active Pending
- 1966-04-20 JP JP41024877A patent/JPS5126832B1/ja active Pending
- 1966-04-22 GB GB17756/66A patent/GB1099148A/en not_active Expired
-
1967
- 1967-05-31 BE BE699266D patent/BE699266A/xx unknown
Also Published As
| Publication number | Publication date |
|---|---|
| DE1524682A1 (de) | 1969-08-28 |
| GB1099148A (en) | 1968-01-17 |
| US3417250A (en) | 1968-12-17 |
| JPS5126832B1 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1976-08-09 |