FI843209A - Foerfarande och anordning foer maetning av halten suspenderade substanser i ett stroemmande medium. - Google Patents

Foerfarande och anordning foer maetning av halten suspenderade substanser i ett stroemmande medium. Download PDF

Info

Publication number: FI843209A
Authority: FI; Finland
Prior art keywords: medium; light; suspenderade; substanser; stroemmande
Prior art date: 1982-12-15

Application number

FI843209A

Other languages

English (en)

Other versions

FI87277C (fi

FI87277B (fi

FI843209A0 (fi

Inventor

Krister Lundberg

Goeran Tidstam

Daniel Pope

Original Assignee

Bonnierfoeretagen Ab

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.)

1982-12-15

Filing date

1984-08-14

Publication date

1984-08-14

1984-08-14 Application filed by Bonnierfoeretagen Ab filed Critical Bonnierfoeretagen Ab

1984-08-14 Publication of FI843209A0 publication Critical patent/FI843209A0/fi

1984-08-14 Publication of FI843209A publication Critical patent/FI843209A/fi

1992-08-31 Application granted granted Critical

1992-08-31 Publication of FI87277B publication Critical patent/FI87277B/fi

1992-12-10 Publication of FI87277C publication Critical patent/FI87277C/fi

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
- G01N21/47—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
- 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
- G01N15/06—Investigating concentration of particle suspensions
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N33/00—Investigating or analysing materials by specific methods not covered by groups G01N1/00 - G01N31/00
- G01N33/34—Paper

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)
Investigating Or Analysing Materials By Optical Means (AREA)

FI843209A 1982-12-15 1984-08-14 Foerfarande och anordning foer maetning av halten suspenderade substanser i ett stroemmande medium FI87277C (fi)

Applications Claiming Priority (4)

Application Number	Priority Date	Filing Date	Title
SE8207180		1982-12-15
SE8207180A SE443235B (sv)	1982-12-15	1982-12-15	Forfarande for metning av halten suspenderade emnen i ett strommande medium samt anordning for genomforande av forfarandet
PCT/SE1983/000458 WO1984002396A1 (en)	1982-12-15	1983-12-15	Method and apparatus for measuring the content of suspended substances in a flowing medium
SE8300458		1983-12-15

Publications (4)

Publication Number	Publication Date
FI843209A0 FI843209A0 (fi)	1984-08-14
FI843209A true FI843209A (fi)	1984-08-14
FI87277B FI87277B (fi)	1992-08-31
FI87277C FI87277C (fi)	1992-12-10

Family

ID=20349023

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
FI843209A FI87277C (fi)	1982-12-15	1984-08-14	Foerfarande och anordning foer maetning av halten suspenderade substanser i ett stroemmande medium

Country Status (7)

Country	Link
US (1)	US4641969A (fi)
EP (1)	EP0128189B1 (fi)
JP (1)	JPS60501125A (fi)
DE (1)	DE3382336D1 (fi)
FI (1)	FI87277C (fi)
SE (1)	SE443235B (fi)
WO (1)	WO1984002396A1 (fi)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US4986660A (en) *	1989-04-21	1991-01-22	The Electron Machine Corporation	Stock consistency transmitter
US5831721A (en) *	1996-05-29	1998-11-03	Alkafeef; Saad Feheid Mutlaq	Method and apparatus for measuring particle size distribution in fluids
WO1998020323A1 (en)	1996-11-08	1998-05-14	Purdue Research Foundation	Particle analysis system and method
US5818583A (en) *	1996-11-08	1998-10-06	Purdue Research Foundation	Particle analysis system and method
US7054002B1 (en)	1999-10-08	2006-05-30	The Texas A&M University System	Characterization of luminescence in a scattering medium
GB2375072A (en)	2001-05-05	2002-11-06	Psi Global Ltd	Method and apparatus for making moulded filter elements
DE10204963A1 (de) *	2002-02-06	2003-08-14	Isco Inc	Fotometrische Sonde für Untersuchungen an Flüssigkeiten sowie Verfahren hierfür
US8603772B2 (en) *	2007-07-28	2013-12-10	Bug Lab LLC	Particle sensor with wide linear range

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US3714444A (en) *	1970-07-16	1973-01-30	Keene Corp	Suspended solids analyzer
US3787703A (en) *	1972-05-25	1974-01-22	Biospherics Inc	Optical sensing sampling head
DE2424549A1 (de) *	1973-05-23	1974-12-12	John Michael Prof Thompson	Stroemungsmittelanalysiergeraet
US4193692A (en) *	1978-06-07	1980-03-18	Monitek, Inc.	Method and apparatus for the optical measurement of the concentration of a particulate in a fluid
US4290695A (en) *	1979-09-28	1981-09-22	Environmental Systems Corporation	Method and apparatus for measurement of transmittance and scatter of light in water

1982
- 1982-12-15 SE SE8207180A patent/SE443235B/sv not_active IP Right Cessation
1983
- 1983-12-15 DE DE8484900149T patent/DE3382336D1/de not_active Expired - Fee Related
- 1983-12-15 US US06/641,953 patent/US4641969A/en not_active Expired - Lifetime
- 1983-12-15 EP EP84900149A patent/EP0128189B1/en not_active Expired - Lifetime
- 1983-12-15 JP JP59500276A patent/JPS60501125A/ja active Pending
- 1983-12-15 WO PCT/SE1983/000458 patent/WO1984002396A1/en active IP Right Grant
1984
- 1984-08-14 FI FI843209A patent/FI87277C/fi not_active IP Right Cessation

Also Published As

Publication number	Publication date
EP0128189B1 (en)	1991-07-10
EP0128189A1 (en)	1984-12-19
WO1984002396A1 (en)	1984-06-21
JPS60501125A (ja)	1985-07-18
SE443235B (sv)	1986-02-17
DE3382336D1 (de)	1991-08-14
SE8207180D0 (sv)	1982-12-15
SE8207180L (sv)	1984-06-16
US4641969A (en)	1987-02-10
FI87277C (fi)	1992-12-10
FI87277B (fi)	1992-08-31
FI843209A0 (fi)	1984-08-14

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Legal Events

Date	Code	Title	Description
2004-08-31	MM	Patent lapsed	Owner name: BTG INC.