IT1037083B - Apparecchiatura per determinare una caratteristica specifica di particelle sospese in fluidi - Google Patents
Apparecchiatura per determinare una caratteristica specifica di particelle sospese in fluidiInfo
- Publication number
- IT1037083B IT1037083B IT28046/74A IT2804674A IT1037083B IT 1037083 B IT1037083 B IT 1037083B IT 28046/74 A IT28046/74 A IT 28046/74A IT 2804674 A IT2804674 A IT 2804674A IT 1037083 B IT1037083 B IT 1037083B
- Authority
- IT
- Italy
- Prior art keywords
- fluids
- determining
- equipment
- specific characteristics
- particles suspended
- Prior art date
Links
- 239000012530 fluid Substances 0.000 title 1
- 239000002245 particle Substances 0.000 title 1
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N15/00—Investigating characteristics of particles; Investigating permeability, pore-volume or surface-area of porous materials
- G01N15/02—Investigating particle size or size distribution
- G01N15/0205—Investigating particle size or size distribution by optical means
- G01N15/0211—Investigating a scatter or diffraction pattern
-
- 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
- G01N2021/4704—Angular selective
- G01N2021/4711—Multiangle measurement
- G01N2021/4716—Using a ring of sensors, or a combination of diaphragm and sensors; Annular sensor
Landscapes
- Chemical & Material Sciences (AREA)
- Dispersion Chemistry (AREA)
- Physics & Mathematics (AREA)
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Analytical Chemistry (AREA)
- Biochemistry (AREA)
- General Health & Medical Sciences (AREA)
- General Physics & Mathematics (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Investigating Or Analysing Materials By Optical Means (AREA)
- Optical Measuring Cells (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US403288A US3873206A (en) | 1973-10-03 | 1973-10-03 | Method for determining a specific characteristic of fluid suspended particles |
Publications (1)
Publication Number | Publication Date |
---|---|
IT1037083B true IT1037083B (it) | 1979-11-10 |
Family
ID=23595239
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
IT28046/74A IT1037083B (it) | 1973-10-03 | 1974-10-04 | Apparecchiatura per determinare una caratteristica specifica di particelle sospese in fluidi |
Country Status (8)
Country | Link |
---|---|
US (1) | US3873206A (it) |
JP (1) | JPS5339158B2 (it) |
BR (1) | BR7408175D0 (it) |
CA (1) | CA1019162A (it) |
DE (1) | DE2447328A1 (it) |
FR (1) | FR2246863B3 (it) |
GB (1) | GB1452420A (it) |
IT (1) | IT1037083B (it) |
Families Citing this family (36)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3998552A (en) * | 1974-08-19 | 1976-12-21 | Hss, Inc. | Instrument responsive to back-scattered or back-reflected radiation having passive system for range correction |
US4052600A (en) * | 1975-01-06 | 1977-10-04 | Leeds & Northrup Company | Measurement of statistical parameters of a distribution of suspended particles |
US4037964A (en) * | 1976-01-15 | 1977-07-26 | Leeds & Northrup Company | Method and apparatus for measuring the sum of the radii of particles in a collection |
US4037965A (en) * | 1976-03-23 | 1977-07-26 | Leeds & Northrup Company | Method and optical means for determining dimensional characteristics of the particle distribution in a collection of particles |
US4167335A (en) * | 1977-12-16 | 1979-09-11 | Leeds & Northrup Company | Apparatus and method for linearizing a volume loading measurement utilizing particle scattering |
US4473296A (en) * | 1978-05-03 | 1984-09-25 | Ppm, Inc. | System and method and apparatus for a continuous aerosol monitor (CAM) using electro-optical weighing for general aerosols |
US4361403A (en) * | 1978-06-26 | 1982-11-30 | Loos Hendricus G | Multiple wavelength instrument for measurement of particle size distributions |
US4338030A (en) * | 1978-06-26 | 1982-07-06 | Loos Hendricus G | Dispersive instrument for measurement of particle size distributions |
US4245909A (en) * | 1978-06-26 | 1981-01-20 | Loos Hendricus G | Optical instrument for measurement of particle size distributions |
FR2445523A1 (fr) * | 1978-12-28 | 1980-07-25 | Sable Sarl | Procede pour mesurer le volume des matieres en suspension dans un liquide |
US4488812A (en) * | 1979-05-22 | 1984-12-18 | American Home Products Corporation | Photometric apparatus |
US4291983A (en) * | 1979-05-22 | 1981-09-29 | American Home Products Corporation | Photometric apparatus and method |
US4392345A (en) * | 1981-10-13 | 1983-07-12 | Elliott Turbomachinery Co., Inc. | Bypass control system |
US4265538A (en) * | 1979-10-18 | 1981-05-05 | Leeds & Northrup Company | Optical sample cell for analysis of particles in liquid suspension |
DE3006046A1 (de) * | 1980-02-18 | 1981-08-20 | Siemens AG, 1000 Berlin und 8000 München | Einrichtung zur optischen messung der rauchdichte |
US4441816A (en) * | 1982-03-25 | 1984-04-10 | The United States Of America As Represented By The United States Department Of Energy | Optical double-slit particle measuring system |
US4597666A (en) * | 1984-04-18 | 1986-07-01 | The United States Of America As Represented By The Secretary Of The Navy | Apparatus for determining the liquid water content of a gas |
EP0167272B1 (en) * | 1984-06-30 | 1991-01-16 | Kabushiki Kaisha Toshiba | Particle size measuring apparatus |
GB8603391D0 (en) * | 1986-02-12 | 1986-03-19 | British Aerospace | Position sensor |
US4953978A (en) * | 1989-03-03 | 1990-09-04 | Coulter Electronics Of New England, Inc. | Particle size analysis utilizing polarization intensity differential scattering |
US5056918A (en) * | 1989-03-03 | 1991-10-15 | Coulter Electronics Of New England, Inc. | Method and apparatus for particle size analysis |
US5104221A (en) * | 1989-03-03 | 1992-04-14 | Coulter Electronics Of New England, Inc. | Particle size analysis utilizing polarization intensity differential scattering |
US5094532A (en) * | 1989-11-07 | 1992-03-10 | General Signal Corporation | Method and apparatus for measuring small particle size distribution |
US5315115A (en) * | 1992-08-10 | 1994-05-24 | Gerber Hermann E | Optical apparatus and method for sensing particulates |
US5578771A (en) * | 1993-02-12 | 1996-11-26 | Outokumpu Mintec Oy | Method for measuring particle size distribution |
JP3285309B2 (ja) * | 1996-03-26 | 2002-05-27 | 株式会社堀場製作所 | 光検出器 |
WO1999058953A1 (en) * | 1998-05-08 | 1999-11-18 | Sequoia Scientific, Inc. | Device for measuring particulate volume and mean size in water |
US20030016357A1 (en) * | 2002-07-30 | 2003-01-23 | Shofner Frederick M. | Measurement of aerosol mass concentration and mass delivery rate |
US8634072B2 (en) * | 2004-03-06 | 2014-01-21 | Michael Trainer | Methods and apparatus for determining characteristics of particles |
US20080208511A1 (en) * | 2005-03-07 | 2008-08-28 | Michael Trainer | Methods and apparatus for determining characteristics of particles |
US9297737B2 (en) * | 2004-03-06 | 2016-03-29 | Michael Trainer | Methods and apparatus for determining characteristics of particles |
US10620105B2 (en) * | 2004-03-06 | 2020-04-14 | Michael Trainer | Methods and apparatus for determining characteristics of particles from scattered light |
DE102013211885A1 (de) * | 2013-06-24 | 2014-12-24 | Siemens Aktiengesellschaft | Partikeldetektor und Verfahren zur Detektion von Partikeln |
CN104748011B (zh) * | 2015-03-25 | 2017-07-07 | 龙江汇 | 污染状况监测专用led |
CN108291863B (zh) | 2015-10-02 | 2020-07-03 | 国家光学研究所 | 用于使用光散射技术进行个体颗粒尺寸测量的系统和方法 |
CN105547944B (zh) * | 2016-01-11 | 2018-04-10 | 河北工程大学 | 一种基于层叠衍射的可吸入颗粒物检测方法 |
Family Cites Families (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3045530A (en) * | 1960-07-14 | 1962-07-24 | Agency Ind Science Techn | Optical system having aberration correcting plate member with ring shaped phase retarding layers |
US3451755A (en) * | 1964-08-05 | 1969-06-24 | Us Air Force | Particle size and distribution analysis using spatial filtering techniques |
US3469921A (en) * | 1966-05-25 | 1969-09-30 | Gulf Research Development Co | Apparatus for the size distribution of an aggregation |
-
1973
- 1973-10-03 US US403288A patent/US3873206A/en not_active Expired - Lifetime
-
1974
- 1974-09-11 GB GB3968274A patent/GB1452420A/en not_active Expired
- 1974-09-18 JP JP10682974A patent/JPS5339158B2/ja not_active Expired
- 1974-10-02 BR BR8175/74A patent/BR7408175D0/pt unknown
- 1974-10-02 CA CA210,586A patent/CA1019162A/en not_active Expired
- 1974-10-03 FR FR7433345A patent/FR2246863B3/fr not_active Expired
- 1974-10-03 DE DE19742447328 patent/DE2447328A1/de not_active Withdrawn
- 1974-10-04 IT IT28046/74A patent/IT1037083B/it active
Also Published As
Publication number | Publication date |
---|---|
US3873206A (en) | 1975-03-25 |
CA1019162A (en) | 1977-10-18 |
JPS5339158B2 (it) | 1978-10-19 |
FR2246863B3 (it) | 1977-07-15 |
FR2246863A1 (it) | 1975-05-02 |
BR7408175D0 (pt) | 1975-09-16 |
DE2447328A1 (de) | 1975-04-17 |
JPS5078393A (it) | 1975-06-26 |
AU7320274A (en) | 1976-03-25 |
GB1452420A (en) | 1976-10-13 |
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