IT1144417B - Apparecchiatura per la miscelazione controllata di due sostanze aeriformi in particolare per la preparazione di miscele per la taratura di a nalizzatori di gas di scarico di motori a combustione interna - Google Patents

Apparecchiatura per la miscelazione controllata di due sostanze aeriformi in particolare per la preparazione di miscele per la taratura di a nalizzatori di gas di scarico di motori a combustione interna

Info

Publication number
IT1144417B
IT1144417B IT68016/81A IT6801681A IT1144417B IT 1144417 B IT1144417 B IT 1144417B IT 68016/81 A IT68016/81 A IT 68016/81A IT 6801681 A IT6801681 A IT 6801681A IT 1144417 B IT1144417 B IT 1144417B
Authority
IT
Italy
Prior art keywords
calibration
mixtures
preparation
equipment
exhaust gas
Prior art date
Application number
IT68016/81A
Other languages
English (en)
Other versions
IT8168016A0 (it
Inventor
Alessandro Barcellona
Guido Ferrando Gorin
Aldo Lausarot
Original Assignee
Fiat Auto Spa
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
Application filed by Fiat Auto Spa filed Critical Fiat Auto Spa
Priority to IT68016/81A priority Critical patent/IT1144417B/it
Publication of IT8168016A0 publication Critical patent/IT8168016A0/it
Priority to GB08220333A priority patent/GB2103498B/en
Priority to US06/399,150 priority patent/US4498496A/en
Priority to DE19823227242 priority patent/DE3227242A1/de
Application granted granted Critical
Publication of IT1144417B publication Critical patent/IT1144417B/it

Links

Classifications

    • 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
    • G01N33/0004—Gaseous mixtures, e.g. polluted air
    • G01N33/0006—Calibrating gas analysers
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
    • B01F23/00—Mixing according to the phases to be mixed, e.g. dispersing or emulsifying
    • B01F23/10—Mixing gases with gases
    • B01F23/19—Mixing systems, i.e. flow charts or diagrams; Arrangements, e.g. comprising controlling means
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
    • B01F35/00—Accessories for mixers; Auxiliary operations or auxiliary devices; Parts or details of general application
    • B01F35/80—Forming a predetermined ratio of the substances to be mixed
    • B01F35/83—Forming a predetermined ratio of the substances to be mixed by controlling the ratio of two or more flows, e.g. using flow sensing or flow controlling devices
    • B01F35/833—Flow control by valves, e.g. opening intermittently
    • G—PHYSICS
    • G05—CONTROLLING; REGULATING
    • G05D—SYSTEMS FOR CONTROLLING OR REGULATING NON-ELECTRIC VARIABLES
    • G05D11/00—Control of flow ratio
    • G05D11/02—Controlling ratio of two or more flows of fluid or fluent material
    • G05D11/13—Controlling ratio of two or more flows of fluid or fluent material characterised by the use of electric means
    • G05D11/131—Controlling ratio of two or more flows of fluid or fluent material characterised by the use of electric means by measuring the values related to the quantity of the individual components
    • G05D11/132—Controlling ratio of two or more flows of fluid or fluent material characterised by the use of electric means by measuring the values related to the quantity of the individual components by controlling the flow of the individual components
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T137/00—Fluid handling
    • Y10T137/8593—Systems
    • Y10T137/87265—Dividing into parallel flow paths with recombining
    • Y10T137/87281—System having plural inlets
    • Y10T137/8729—Having digital flow controller
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T137/00—Fluid handling
    • Y10T137/8593—Systems
    • Y10T137/87571—Multiple inlet with single outlet
    • Y10T137/87676—With flow control
    • Y10T137/87684—Valve in each inlet

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • General Physics & Mathematics (AREA)
  • Physics & Mathematics (AREA)
  • Food Science & Technology (AREA)
  • Combustion & Propulsion (AREA)
  • Medicinal Chemistry (AREA)
  • Analytical Chemistry (AREA)
  • Biochemistry (AREA)
  • General Health & Medical Sciences (AREA)
  • Immunology (AREA)
  • Pathology (AREA)
  • Automation & Control Theory (AREA)
  • Sampling And Sample Adjustment (AREA)
IT68016/81A 1981-07-22 1981-07-22 Apparecchiatura per la miscelazione controllata di due sostanze aeriformi in particolare per la preparazione di miscele per la taratura di a nalizzatori di gas di scarico di motori a combustione interna IT1144417B (it)

Priority Applications (4)

Application Number Priority Date Filing Date Title
IT68016/81A IT1144417B (it) 1981-07-22 1981-07-22 Apparecchiatura per la miscelazione controllata di due sostanze aeriformi in particolare per la preparazione di miscele per la taratura di a nalizzatori di gas di scarico di motori a combustione interna
GB08220333A GB2103498B (en) 1981-07-22 1982-07-13 Mixing of gaseous substances
US06/399,150 US4498496A (en) 1981-07-22 1982-07-16 Mixing of gaseous substances
DE19823227242 DE3227242A1 (de) 1981-07-22 1982-07-21 Geraet zum mischen von gasen

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
IT68016/81A IT1144417B (it) 1981-07-22 1981-07-22 Apparecchiatura per la miscelazione controllata di due sostanze aeriformi in particolare per la preparazione di miscele per la taratura di a nalizzatori di gas di scarico di motori a combustione interna

Publications (2)

Publication Number Publication Date
IT8168016A0 IT8168016A0 (it) 1981-07-22
IT1144417B true IT1144417B (it) 1986-10-29

Family

ID=11307209

Family Applications (1)

Application Number Title Priority Date Filing Date
IT68016/81A IT1144417B (it) 1981-07-22 1981-07-22 Apparecchiatura per la miscelazione controllata di due sostanze aeriformi in particolare per la preparazione di miscele per la taratura di a nalizzatori di gas di scarico di motori a combustione interna

Country Status (4)

Country Link
US (1) US4498496A (it)
DE (1) DE3227242A1 (it)
GB (1) GB2103498B (it)
IT (1) IT1144417B (it)

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DE3319249C1 (de) * 1983-05-27 1984-10-11 Messer Griesheim Gmbh, 6000 Frankfurt Verfahren zum Erzeugen einer Inertgasatmosphaere konstanter Zusammensetzung aus Stickstoff und Kohlendioid in einem Kuehlcontainer
JPH0619311B2 (ja) * 1985-10-19 1994-03-16 株式会社堀場製作所 多成分同時測定用ガス分析装置
GB8705903D0 (en) * 1987-03-12 1987-04-15 Thermal Structures Ltd Foamed materials
DE3716289A1 (de) * 1987-05-15 1988-11-24 Leybold Ag Einrichtung fuer die herstellung bestimmter konzentrationen gasfoermiger stoffe sowie zum mischen verschiedener gasfoermiger stoffe in einem vorgegebenen verhaeltnis
JPS63304133A (ja) * 1987-06-05 1988-12-12 Hitachi Ltd 混合ガスを用いる分析計
US5102228A (en) * 1988-03-09 1992-04-07 Thermal Structures Limited Apparatus and method for producing foamed materials
GB2216816B (en) * 1988-04-07 1991-07-03 Lvovsky Politekhn I Im Leninsk Apparatus for preparing gas mixtures from constituents taken in a given proportion
DE3814917A1 (de) * 1988-05-03 1989-11-16 Kernforschungsz Karlsruhe Gasmischer zur erzeugung eines kontinuierlichen gasmischstromes
US5239856A (en) * 1988-11-21 1993-08-31 L'air Liquide, Societe Anonyme Pour L'etude Et L'exploitation Des Procedes Georges Claude Apparatus for producing standard gas mixtures
EP0370150A1 (en) * 1988-11-21 1990-05-30 L'air Liquide, Societe Anonyme Pour L'etude Et L'exploitation Des Procedes Georges Claude Process for producing standard gas mixture and apparatus for producing the same
US5172598A (en) * 1991-02-28 1992-12-22 General Motors Corporation Stored gas inflatable restraint inflation system
US5261452A (en) * 1991-03-01 1993-11-16 American Air Liquide Critical orifice dilution system and method
US5329804A (en) * 1992-10-16 1994-07-19 Abbott Laboratories Calibration system and method for calibrating a blood gas sensor
DE9303693U1 (de) * 1993-03-12 1993-04-29 Siemens AG, 8000 München Gasmischeinrichtung
US5804695A (en) * 1993-11-02 1998-09-08 Horiba Instruments Incorporated Gas dividing method and apparatus
FR2714968B1 (fr) * 1994-01-07 1996-03-29 Air Liquide Procédé et dispositif de fourniture de gaz à un analyseur de traces d'impuretés dans un gaz.
US5835974A (en) * 1994-08-22 1998-11-10 General Motors Corporation Method and means for blended multi-component gas calibration and diagnosis of multiple gas analyzers
FR2736280B1 (fr) * 1995-07-07 1997-09-26 Gaz De France Station de preparation de gaz d'essais
US5868177A (en) * 1995-07-27 1999-02-09 Chemical Control Systems, Inc. Method and apparatus for injecting additives
DE19531505B4 (de) * 1995-08-26 2006-07-06 Air Liquide Deutschland Gmbh Dosiervorrichtung zur Entnahme von Gasen aus einem Druckbehälter
US5756360A (en) * 1995-09-29 1998-05-26 Horiba Instruments Inc. Method and apparatus for providing diluted gas to exhaust emission analyzer
DE19645695A1 (de) * 1996-11-06 1998-05-07 Deutsch Zentr Luft & Raumfahrt Gasmeßgerät-Kalibrierungsvorrichtung für Wasserstoff-Sauerstoff-Gemische
US5846831A (en) * 1997-04-01 1998-12-08 Horiba Instuments, Inc. Methods and systems for controlling flow of a diluted sample and determining pollutants based on water content in engine exhaust emissions
DE19842413C1 (de) * 1998-09-16 1999-10-28 Linde Ag Gasversorgung mit Gasen aus Gasbehältern
DE19914282A1 (de) * 1999-03-30 2000-10-05 Leybold Vakuum Gmbh Sperrgas-Ventileinrichtung
FR2811909A1 (fr) * 2000-07-18 2002-01-25 Air Liquide Sante France Installation de conditionnement de gaz avec une ou plusieurs lignes de gaz ramifiees
AUPR348001A0 (en) * 2001-03-02 2001-03-29 Parsons Australia Pty Ltd Assembly and method for mixing gases
US20040055359A1 (en) * 2001-06-28 2004-03-25 Rel-Tek Automatic gas sensor calibration system
DE10315657A1 (de) * 2002-04-05 2003-12-18 Aj Idc Geraeteentwicklungsgmbh Verfahren und Vorrichtung zum Teilen und zum Mischen von Gasströmen
GB0220338D0 (en) * 2002-09-02 2002-10-09 Secretary Trade Ind Brit Production of variable concentration fluid mixtures
US7530255B2 (en) * 2005-01-18 2009-05-12 Mine Safety Appliances Company Devices, systems and methods for testing of gas detectors
GB2446409B (en) * 2007-02-06 2011-05-04 Secretary Trade Ind Brit Fluid mixtures
US8931512B2 (en) * 2011-03-07 2015-01-13 Applied Materials, Inc. Gas delivery system and method of use thereof
CN110354750A (zh) * 2018-04-10 2019-10-22 北京慧荣和科技有限公司 固定比例稀释器
CN110673661A (zh) * 2018-07-02 2020-01-10 中国计量科学研究院 一种高精度配气方法及装置
AT521524B1 (de) * 2018-07-17 2022-01-15 Avl List Gmbh Gasmischvorrichtung zur Kalibrierung von Gasanalysatoren
CA3063026A1 (en) * 2019-11-27 2021-05-27 Accutron Instruments Inc. Apparatus for remote manual and automated testing and calibration of toxic gas sensors installed in the field

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GB1364841A (en) * 1971-08-12 1974-08-29 British Oxygen Co Ltd Fluid mixing
DK130515B (da) * 1972-03-20 1975-03-03 J S Lundsgaard Apparat til regulering af blandingsforholdet mellem to fluidstromme.
US3827457A (en) * 1973-06-22 1974-08-06 Westinghouse Air Brake Co Fluid pressure system for converting digital signals to analog signals
DD107986A1 (it) * 1973-07-27 1974-08-20
US3905394A (en) * 1974-04-12 1975-09-16 Digital Dynamics Inc Flow control system
SE386500B (sv) * 1974-11-25 1976-08-09 Sjumek Sjukvardsmek Hb Gasblandningsventil
US4019523A (en) * 1975-02-07 1977-04-26 Clark Justin S Method and apparatus for mixing gases
JPS5292788A (en) * 1976-01-30 1977-08-04 Standard Technology Gas diluting apparatus
DE2725410C2 (de) * 1977-06-04 1983-09-01 Bodenseewerk Perkin-Elmer & Co GmbH, 7770 Überlingen Vorrichtung zur Steuerung einer Druckmittelströmung
EP0017408A1 (en) * 1979-04-06 1980-10-15 BOC Limited Apparatus for mixing fluids comprising fluid-flow restricting device

Also Published As

Publication number Publication date
IT8168016A0 (it) 1981-07-22
DE3227242C2 (it) 1987-06-04
DE3227242A1 (de) 1983-02-10
GB2103498A (en) 1983-02-23
US4498496A (en) 1985-02-12
GB2103498B (en) 1985-04-03

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