DE69021836D1 - Verdünnungssystem mit Mehrrohrströmungsteiler. - Google Patents

Verdünnungssystem mit Mehrrohrströmungsteiler.

Info

Publication number
DE69021836D1
DE69021836D1 DE69021836T DE69021836T DE69021836D1 DE 69021836 D1 DE69021836 D1 DE 69021836D1 DE 69021836 T DE69021836 T DE 69021836T DE 69021836 T DE69021836 T DE 69021836T DE 69021836 D1 DE69021836 D1 DE 69021836D1
Authority
DE
Germany
Prior art keywords
flow divider
tube flow
dilution system
dilution
tube
Prior art date
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
DE69021836T
Other languages
English (en)
Other versions
DE69021836T2 (de
Inventor
Akira Yamasaki
Yoshinaka Takeda
Souhei Abe
Izumi Fukano
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.)
Mitsubishi Motors Corp
Original Assignee
Mitsubishi Motors Corp
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.)
Filing date
Publication date
Priority claimed from JP2251262A external-priority patent/JP2536681B2/ja
Application filed by Mitsubishi Motors Corp filed Critical Mitsubishi Motors Corp
Application granted granted Critical
Publication of DE69021836D1 publication Critical patent/DE69021836D1/de
Publication of DE69021836T2 publication Critical patent/DE69021836T2/de
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N1/00—Sampling; Preparing specimens for investigation
    • G01N1/02—Devices for withdrawing samples
    • G01N1/22—Devices for withdrawing samples in the gaseous state
    • G01N1/2247—Sampling from a flowing stream of gas
    • G01N1/2258—Sampling from a flowing stream of gas in a stack or chimney
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N1/00—Sampling; Preparing specimens for investigation
    • G01N1/02—Devices for withdrawing samples
    • G01N1/22—Devices for withdrawing samples in the gaseous state
    • G01N1/2247—Sampling from a flowing stream of gas
    • G01N1/2252—Sampling from a flowing stream of gas in a vehicle exhaust
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N1/00—Sampling; Preparing specimens for investigation
    • G01N1/28—Preparing specimens for investigation including physical details of (bio-)chemical methods covered elsewhere, e.g. G01N33/50, C12Q
    • G01N1/38—Diluting, dispersing or mixing samples
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N1/00—Sampling; Preparing specimens for investigation
    • G01N1/02—Devices for withdrawing samples
    • G01N1/22—Devices for withdrawing samples in the gaseous state
    • G01N1/2247—Sampling from a flowing stream of gas
    • G01N2001/2264—Sampling from a flowing stream of gas with dilution

Landscapes

  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Biomedical Technology (AREA)
  • Molecular Biology (AREA)
  • Physics & Mathematics (AREA)
  • Chemical & Material Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Biochemistry (AREA)
  • General Health & Medical Sciences (AREA)
  • General Physics & Mathematics (AREA)
  • Immunology (AREA)
  • Pathology (AREA)
  • Sampling And Sample Adjustment (AREA)
DE69021836T 1989-09-29 1990-09-28 Verdünnungssystem mit Mehrrohrströmungsteiler. Expired - Fee Related DE69021836T2 (de)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP11464989 1989-09-29
JP5335390 1990-05-22
JP2251262A JP2536681B2 (ja) 1989-09-29 1990-09-20 多管式分流希釈トンネル装置

Publications (2)

Publication Number Publication Date
DE69021836D1 true DE69021836D1 (de) 1995-09-28
DE69021836T2 DE69021836T2 (de) 1996-02-29

Family

ID=27294917

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69021836T Expired - Fee Related DE69021836T2 (de) 1989-09-29 1990-09-28 Verdünnungssystem mit Mehrrohrströmungsteiler.

Country Status (3)

Country Link
US (1) US5090258A (de)
EP (1) EP0428850B1 (de)
DE (1) DE69021836T2 (de)

Families Citing this family (37)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AT393173B (de) * 1990-08-14 1991-08-26 Steyr Nutzfahrzeuge Anlage zur schadstoffanalyse, insbesondere partikelemission, von dieselmotorenabgas, mit einer speziellen teilstromverduennungseinrichtung
US5138163A (en) * 1991-09-09 1992-08-11 Ford Motor Company Direct sampling of engine emissions for instantaneous analysis
US5410907A (en) * 1993-08-25 1995-05-02 White Consolidated Ind Inc Gas sampling method and dilution tunnel therefor
DE4424370A1 (de) * 1994-07-11 1996-04-18 Siemens Ag Verfahren und Anordnung zum Aufbereiten von Abgasen, insbesondere von Verbrennungsmotoren
DE4437739A1 (de) * 1994-10-21 1996-04-25 Siemens Ag Verfahren und Anordnung zum Aufbereiten von Abgas, insbesondere von Verbrennungsmotoren für die Analyse
US5650565A (en) * 1995-07-05 1997-07-22 Enviromental Sciences Research And Development Partnership Mini-dilution apparatus and method for exhaust emission testing
US5712433A (en) * 1995-08-07 1998-01-27 Mitsubishi Jidosha Kogyo Kabushiki Kaisha Exhaust gas measuring apparatus
US6200819B1 (en) * 1995-09-29 2001-03-13 Horiba Instruments, Inc. Method and apparatus for providing diluent gas to exhaust emission analyzer
US6435004B1 (en) 1997-09-12 2002-08-20 Nicholas C. Miller Apparatus and process for aerosol size measurement at varying gas flow rates
US6062092A (en) * 1998-09-09 2000-05-16 Engine, Fuel, And Emissions Engineering, Incorporated System for extracting samples from a stream
GB2350803B (en) 1999-06-09 2003-03-05 Air Dispersions Ltd Gas sampling assemblies
GB9913443D0 (en) 1999-06-09 1999-08-11 Air Dispersions Ltd Sampling devices
JP2001249065A (ja) * 1999-12-28 2001-09-14 Ono Sokki Co Ltd 排出ガス希釈装置
CN1439098A (zh) * 2000-05-25 2003-08-27 加拿大环境部长 排放采样装置及方法
AUPR347901A0 (en) * 2001-03-02 2001-03-29 Parsons Australia Pty Ltd Particulate and gaseous emission testing method of apparatus
US6481299B2 (en) * 2001-03-23 2002-11-19 Avl North America Inc. Particulate sampling probe and dilution tunnel
US6615677B2 (en) 2001-07-10 2003-09-09 Caterpillar Inc Method for controlling dilution air
US7404340B2 (en) 2001-07-10 2008-07-29 Caterpillar Inc. Exhaust gas particulate measuring system
US6684719B2 (en) * 2002-05-03 2004-02-03 Caterpillar Inc Method and apparatus for mixing gases
US6796165B2 (en) * 2002-11-18 2004-09-28 Southwest Research Institute Apparatus and method for real-time measurement of mass, size and number of solid particles of particulate matter in engine exhaust
US6973818B2 (en) * 2002-12-05 2005-12-13 Avl North America, Inc. Exhaust volume measurement device
US7555928B2 (en) * 2002-12-05 2009-07-07 Avl North America Inc. Exhaust volume measurement device
GB0303470D0 (en) * 2003-02-14 2003-03-19 Malvern Instr Ltd Dilution system and method
ES2388838T3 (es) * 2003-10-30 2012-10-19 Avl North America Inc. Prevención del depósito de partículas y posicionamiento de sonda
US7431032B2 (en) * 2005-02-09 2008-10-07 Vbox Incorporated Low power ambulatory oxygen concentrator
US7201071B2 (en) 2005-02-11 2007-04-10 Horiba, Ltd. Wide range continuous diluter
US8079838B2 (en) * 2005-03-16 2011-12-20 Horiba, Ltd. Pure particle generator
GB0507349D0 (en) * 2005-04-12 2005-05-18 Malvern Instr Ltd Dilution apparatus and method
US7387038B2 (en) * 2005-07-29 2008-06-17 Horiba Instruments, Inc. Wide range constant concentration particle generating system
US7389703B2 (en) * 2005-09-29 2008-06-24 Horiba Instruments, Inc. Sampler for engine exhaust dilution
US7647811B2 (en) * 2006-12-21 2010-01-19 Horiba Ltd. Solid particle counting system with valve to allow reduction of pressure pulse at particle counter when vacuum pump is started
US7665375B2 (en) * 2006-12-21 2010-02-23 Horiba, Ltd. Flow splitter for a solid particle counting system
GB0806210D0 (en) * 2008-04-04 2008-05-14 Univ Aston Sampling of fluids for analysis
FR2942878A3 (fr) * 2009-03-06 2010-09-10 Renault Sas Dispositif de mesure d'une premiere propriete d'un flux gazeux ainsi que du comptage granulometrique des particules contenues dans ce flux
AT508317B1 (de) * 2010-09-23 2011-06-15 Avl List Gmbh Entnahmerohr für emissionsmesssysteme
DE102012102137A1 (de) * 2012-03-14 2013-09-19 Avl Emission Test Systems Gmbh Anlage zur Entnahme von Abgasproben von Verbrennungskraftmaschinen
CN113405887B (zh) * 2021-06-02 2022-12-09 北京高斯匹克技术有限公司 多通道高精度静态稀释系统

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3478600A (en) * 1966-11-01 1969-11-18 Xerox Corp Particle size and distribution analyzing apparatus
JPS6097240A (ja) * 1983-11-01 1985-05-31 Nippon Soken Inc 車輌用微粒子排出量測定装置
US4586367A (en) * 1984-03-19 1986-05-06 Horiba Instruments Incorporated Proportional exhaust sampler and control means
AT391556B (de) * 1989-03-13 1990-10-25 Avl Verbrennungskraft Messtech Verfahren und einrichtung zur stetigen entnahme einer teilmenge aus einem gasstrom

Also Published As

Publication number Publication date
DE69021836T2 (de) 1996-02-29
US5090258A (en) 1992-02-25
EP0428850A1 (de) 1991-05-29
EP0428850B1 (de) 1995-08-23

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee