DE69124600D1 - Geteilter fluss für gleichmässigen multidetektornachweis - Google Patents

Geteilter fluss für gleichmässigen multidetektornachweis

Info

Publication number: DE69124600D1
Authority: DE; Germany
Prior art keywords: multidetector; detection; divided flow; divided; flow
Prior art date: 1990-05-07
Legal status (The legal status 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 status listed.): Expired - Fee Related

Application number

DE69124600T

Other languages

English (en)

Other versions

DE69124600T2 (de

Inventor

Louis Petralli

Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)

Met One Inc

Original Assignee

Met One Inc

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.)

1990-05-07

Filing date

1991-02-27

Publication date

1997-03-20

1991-02-27 Application filed by Met One Inc filed Critical Met One Inc

1997-03-20 Publication of DE69124600D1 publication Critical patent/DE69124600D1/de

1997-08-07 Application granted granted Critical

1997-08-07 Publication of DE69124600T2 publication Critical patent/DE69124600T2/de

2011-02-28 Anticipated expiration legal-status Critical

Status Expired - Fee Related legal-status Critical Current

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
- G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
- G01N21/84—Systems specially adapted for particular applications
- G01N21/85—Investigating moving fluids or granular solids
- G01N2021/8557—Special shaping of flow, e.g. using a by-pass line, jet flow, curtain flow
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N2201/00—Features of devices classified in G01N21/00
- G01N2201/06—Illumination; Optics
- G01N2201/061—Sources
- G01N2201/06113—Coherent sources; lasers
- G01N2201/0612—Laser diodes

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)
Optical Measuring Cells (AREA)

DE69124600T 1990-05-07 1991-02-27 Geteilter fluss für gleichmässigen multidetektornachweis Expired - Fee Related DE69124600T2 (de)

Applications Claiming Priority (2)

Application Number	Priority Date	Filing Date	Title
US07/520,110 US5084629A (en)	1990-05-07	1990-05-07	Split flow uniform multisensor detection
PCT/US1991/001275 WO1991017426A1 (en)	1990-05-07	1991-02-27	Split flow for uniform multisensor detection

Publications (2)

Publication Number	Publication Date
DE69124600D1 true DE69124600D1 (de)	1997-03-20
DE69124600T2 DE69124600T2 (de)	1997-08-07

Family

ID=24071245

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
DE69124600T Expired - Fee Related DE69124600T2 (de)	1990-05-07	1991-02-27	Geteilter fluss für gleichmässigen multidetektornachweis

Country Status (5)

Country	Link
US (1)	US5084629A (de)
EP (1)	EP0528802B1 (de)
JP (1)	JPH05506503A (de)
DE (1)	DE69124600T2 (de)
WO (1)	WO1991017426A1 (de)

Families Citing this family (20)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
IT1259750B (it) *	1992-04-16	1996-03-26		Procedimento ed apparecchiatura per l'analisi microbiologica di campioni biologici in soluzione
US5467189A (en) *	1993-01-22	1995-11-14	Venturedyne, Ltd.	Improved particle sensor and method for assaying a particle
EP0746752A4 (de) *	1993-08-19	2000-02-23	Venturedyne Ltd	Teilchensensor mit luftzirkulationssystem geringen druckverluste
US6061132A (en) *	1998-07-20	2000-05-09	Pacific Scientific Instruments Company	Dual detector array with noise cancellation for a particle size detection device
DE10118449C1 (de) *	2001-04-12	2002-10-17	Mwg Biotech Ag	Vorrichtung zur Überwachung einer Chemikalienströmung und Verwendung dieser Vorrichtung
US6639671B1 (en)	2002-03-01	2003-10-28	Msp Corporation	Wide-range particle counter
US20060192940A1 (en) *	2005-01-20	2006-08-31	Phi-Wilson Janette T	Modular flow cytometry system
US20070092976A1 (en) *	2005-10-06	2007-04-26	Board Of Regents Of The University And College Systems Of Nevada	Continuous emissions monitoring
EP1862793A1 (de) *	2006-05-29	2007-12-05	Biotest AG	Teilchenzähler mit hoher Durchlaufleistung
US20080306582A1 (en) *	2007-06-05	2008-12-11	Yunbing Wang	Implantable medical devices with elastomeric copolymer coatings
DE102011002421A1 (de) *	2011-01-04	2012-07-05	Robert Bosch Gmbh	Messgerät zur Messung von Partikelkonzentrationen mittels Streulicht und Verfahren zur Überwachung des Messgerätes
CN102221520A (zh) *	2011-04-13	2011-10-19	苏州苏净仪器自控设备有限公司	一种激光尘埃粒子计数器
US8614793B2 (en) *	2012-04-02	2013-12-24	Ecolab Usa Inc.	Flow chamber for online fluorometer
CN103954540B (zh) *	2014-04-29	2016-01-06	江苏朗信电气有限公司	一种车载颗粒物浓度检测仪
CN103953754B (zh) *	2014-04-29	2015-12-16	江苏朗信电气有限公司	车载颗粒物浓度检测仪用采样分配阀
US10094755B1 (en)	2017-10-25	2018-10-09	Venturedyne, Ltd	Environmental sensor and method of operating the same
US10807440B2 (en) *	2018-01-15	2020-10-20	Maxmac Shanghai Automotive Electronic Co., Ltd.	Dual-passage air quality detection device
EP4356099A4 (de)	2021-06-15	2025-06-18	Particle Measuring Systems, Inc.	Kompakter intelligenter aerosol- und flüssigkeitsverteiler
TW202323792A (zh)	2021-06-15	2023-06-16	美商粒子監測系統有限公司	具有擴充基座之模組化粒子計數器
KR20240019843A (ko)	2021-06-15	2024-02-14	파티클 머슈어링 시스템즈, 인크.	응축 입자 계수 및 사용 방법

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US2675697A (en) *		1954-04-20		Multiple continuous air sampler
GB1235854A (en) *	1967-08-18	1971-06-16	Associated British Comb Ltd	A method and device for combustion control
US3915570A (en) *	1970-08-20	1975-10-28	Environment One Corp	Optical fluid contamination and change monitor method and apparatus
FR2558610B1 (fr) *	1984-01-23	1986-05-09	Labo Electronique Physique	Procede et appareillage pour determiner l'instant d'arret d'un processus de renouvellement de liquide
US4907884A (en) *	1984-11-15	1990-03-13	Wyatt Technology Corporation	Sample cell monitoring system
US4798465B2 (en) *	1986-04-14	1994-08-30	Particle Measuring Syst	Particle size detection device having high sensitivity in high molecular scattering environment
US4816695A (en) *	1987-08-31	1989-03-28	Lavin Thomas N	Optical fluid detector
DE58900841D1 (de) *	1988-01-14	1992-04-02	Ciba Geigy Ag	Mikrodurchflusszelle.
US4920275A (en) *	1988-12-30	1990-04-24	Canon Kabushiki Kaisha	Particle measuring device with elliptically-shaped scanning beam
US5011286A (en) *	1989-08-03	1991-04-30	Met One, Inc.	Multisensor particle counter utilizing a single energy source

1990
- 1990-05-07 US US07/520,110 patent/US5084629A/en not_active Expired - Fee Related
1991
- 1991-02-27 WO PCT/US1991/001275 patent/WO1991017426A1/en not_active Ceased
- 1991-02-27 JP JP91505453A patent/JPH05506503A/ja active Pending
- 1991-02-27 EP EP91905601A patent/EP0528802B1/de not_active Expired - Lifetime
- 1991-02-27 DE DE69124600T patent/DE69124600T2/de not_active Expired - Fee Related

Also Published As

Publication number	Publication date
WO1991017426A1 (en)	1991-11-14
EP0528802A1 (de)	1993-03-03
EP0528802B1 (de)	1997-02-05
EP0528802A4 (en)	1993-07-28
JPH05506503A (ja)	1993-09-22
US5084629A (en)	1992-01-28
DE69124600T2 (de)	1997-08-07

Publication	Publication Date	Title
DE69124600D1 (de)	1997-03-20	Geteilter fluss für gleichmässigen multidetektornachweis
DE69112334D1 (de)	1995-09-28	Luftdetektor für dünnwandige Schläuche.
DE69300790D1 (de)	1995-12-21	Verschmutzungsdetektor für Luftfilter.
DE69534625D1 (de)	2005-12-29	Mehrschwellendetektion für 0.3-GMSK
NO914977L (no)	1992-06-22	Pakning for broennhode
FI910702L (fi)	1991-08-17	Ventil foer utmatning av ett fluidum.
ATE166004T1 (de)	1998-05-15	Austragvorrichtung für medien
DE59010035D1 (de)	1996-02-15	Strömungswandler
NO943075D0 (no)	1994-08-19	System for strömningsmåling
PT97713A (pt)	1993-07-30	Detector de gas
DE69232536D1 (de)	2002-05-08	Verbesserter durchflusstester
DE69116221D1 (de)	1996-02-22	Luftdurchflussmesser
DE69118324D1 (de)	1996-05-02	Luftdurchflussmesser
ATE143293T1 (de)	1996-10-15	Austragvorrichtung für medien
FI911634L (fi)	1991-10-27	Maetningsanordning.
DE69126493D1 (de)	1997-07-17	Fehlererkennungssystem
DK0463240T3 (da)	1996-01-29	Strømningsmåleindretning
FI911182A7 (fi)	1991-09-10	Roerformat kemiluminiscent belysningselement.
ATA900291A (de)	1993-11-15	Mikrotom
DE69108169D1 (de)	1995-04-20	Reinigungsapparat.
DE69131508D1 (de)	1999-09-09	Dichtung
DE69026606D1 (de)	1996-05-23	Coandaspiraldurchflussvorrichtung
DE69108272D1 (de)	1995-04-27	Einheit Felge-Reifen für Motorräder.
DE69110904D1 (de)	1995-08-03	Messvorrichtung.
MX9100392A (es)	1992-02-28	Medicion de flujo bifasico

Legal Events

Date	Code	Title	Description
1998-03-05	8364	No opposition during term of opposition
2002-02-28	8339	Ceased/non-payment of the annual fee