[go: up one dir, main page]

ITTO910602A0 - Metodo ed apparecchiatura per la determinazione dell'intasamento di unfiltro, in particolare di un filtro di un impianto di scarico - Google Patents

Metodo ed apparecchiatura per la determinazione dell'intasamento di unfiltro, in particolare di un filtro di un impianto di scarico

Info

Publication number
ITTO910602A0
ITTO910602A0 IT91TO602A ITTO910602A ITTO910602A0 IT TO910602 A0 ITTO910602 A0 IT TO910602A0 IT 91TO602 A IT91TO602 A IT 91TO602A IT TO910602 A ITTO910602 A IT TO910602A IT TO910602 A0 ITTO910602 A0 IT TO910602A0
Authority
IT
Italy
Prior art keywords
filter
equipment
exhaust system
determining clogging
clogging
Prior art date
Application number
IT91TO602A
Other languages
English (en)
Inventor
Giuseppe Cuzzucoli
Fabio Genovese
Original Assignee
Iveco Fiat
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 Iveco Fiat filed Critical Iveco Fiat
Priority to ITTO910602A priority Critical patent/IT1249969B/it
Publication of ITTO910602A0 publication Critical patent/ITTO910602A0/it
Priority to ES92112347T priority patent/ES2079753T3/es
Priority to DE69205512T priority patent/DE69205512T2/de
Priority to EP92112347A priority patent/EP0525566B1/en
Publication of ITTO910602A1 publication Critical patent/ITTO910602A1/it
Application granted granted Critical
Publication of IT1249969B publication Critical patent/IT1249969B/it

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01N—GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL COMBUSTION ENGINES
    • F01N3/00—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust
    • F01N3/02—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for cooling, or for removing solid constituents of, exhaust
    • F01N3/021—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for cooling, or for removing solid constituents of, exhaust by means of filters
    • F01N3/031—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for cooling, or for removing solid constituents of, exhaust by means of filters having means for by-passing filters, e.g. when clogged or during cold engine start
    • F01N3/032—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for cooling, or for removing solid constituents of, exhaust by means of filters having means for by-passing filters, e.g. when clogged or during cold engine start during filter regeneration only
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01N—GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL COMBUSTION ENGINES
    • F01N11/00—Monitoring or diagnostic devices for exhaust-gas treatment apparatus, e.g. for catalytic activity
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01N—GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL COMBUSTION ENGINES
    • F01N13/00—Exhaust or silencing apparatus characterised by constructional features ; Exhaust or silencing apparatus, or parts thereof, having pertinent characteristics not provided for in, or of interest apart from, groups F01N1/00 - F01N5/00, F01N9/00, F01N11/00
    • F01N13/011—Exhaust or silencing apparatus characterised by constructional features ; Exhaust or silencing apparatus, or parts thereof, having pertinent characteristics not provided for in, or of interest apart from, groups F01N1/00 - F01N5/00, F01N9/00, F01N11/00 having two or more purifying devices arranged in parallel
    • F01N13/017—Exhaust or silencing apparatus characterised by constructional features ; Exhaust or silencing apparatus, or parts thereof, having pertinent characteristics not provided for in, or of interest apart from, groups F01N1/00 - F01N5/00, F01N9/00, F01N11/00 having two or more purifying devices arranged in parallel the purifying devices are arranged in a single housing
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01N—GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL COMBUSTION ENGINES
    • F01N3/00—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust
    • F01N3/02—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for cooling, or for removing solid constituents of, exhaust
    • F01N3/021—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for cooling, or for removing solid constituents of, exhaust by means of filters
    • F01N3/023—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for cooling, or for removing solid constituents of, exhaust by means of filters using means for regenerating the filters, e.g. by burning trapped particles
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01N—GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL COMBUSTION ENGINES
    • F01N3/00—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust
    • F01N3/02—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for cooling, or for removing solid constituents of, exhaust
    • F01N3/021—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for cooling, or for removing solid constituents of, exhaust by means of filters
    • F01N3/031—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for cooling, or for removing solid constituents of, exhaust by means of filters having means for by-passing filters, e.g. when clogged or during cold engine start
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01N—GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL COMBUSTION ENGINES
    • F01N9/00—Electrical control of exhaust gas treating apparatus
    • F01N9/002—Electrical control of exhaust gas treating apparatus of filter regeneration, e.g. detection of clogging
    • 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
    • G01N15/0606—Investigating concentration of particle suspensions by collecting particles on a support
    • 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
    • G01N15/0656—Investigating concentration of particle suspensions using electric, e.g. electrostatic methods or magnetic methods
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01N—GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL COMBUSTION ENGINES
    • F01N2330/00—Structure of catalyst support or particle filter
    • F01N2330/06—Ceramic, e.g. monoliths
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01N—GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL COMBUSTION ENGINES
    • F01N2550/00—Monitoring or diagnosing the deterioration of exhaust systems
    • F01N2550/04—Filtering activity of particulate filters
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01N—GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL COMBUSTION ENGINES
    • F01N2560/00—Exhaust systems with means for detecting or measuring exhaust gas components or characteristics
    • F01N2560/05—Exhaust systems with means for detecting or measuring exhaust gas components or characteristics the means being a particulate sensor
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01N—GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL COMBUSTION ENGINES
    • F01N2560/00—Exhaust systems with means for detecting or measuring exhaust gas components or characteristics
    • F01N2560/12—Other sensor principles, e.g. using electro conductivity of substrate or radio frequency
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01N—GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL COMBUSTION ENGINES
    • F01N2900/00—Details of electrical control or of the monitoring of the exhaust gas treating apparatus
    • F01N2900/04—Methods of control or diagnosing
    • F01N2900/0421—Methods of control or diagnosing using an increment counter when a predetermined event occurs
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02B—INTERNAL-COMBUSTION PISTON ENGINES; COMBUSTION ENGINES IN GENERAL
    • F02B3/00—Engines characterised by air compression and subsequent fuel addition
    • F02B3/06—Engines characterised by air compression and subsequent fuel addition with compression ignition
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02D—CONTROLLING COMBUSTION ENGINES
    • F02D2200/00—Input parameters for engine control
    • F02D2200/02—Input parameters for engine control the parameters being related to the engine
    • F02D2200/08—Exhaust gas treatment apparatus parameters
    • F02D2200/0812—Particle filter loading
    • 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
    • G01N2015/0042—Investigating dispersion of solids
    • G01N2015/0046—Investigating dispersion of solids in gas, e.g. smoke
    • 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
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
    • Y02T10/00—Road transport of goods or passengers
    • Y02T10/10—Internal combustion engine [ICE] based vehicles
    • Y02T10/40—Engine management systems

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Physics & Mathematics (AREA)
  • Health & Medical Sciences (AREA)
  • Dispersion Chemistry (AREA)
  • Analytical Chemistry (AREA)
  • Biochemistry (AREA)
  • General Health & Medical Sciences (AREA)
  • General Physics & Mathematics (AREA)
  • Immunology (AREA)
  • Pathology (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Processes For Solid Components From Exhaust (AREA)
  • Investigating Or Analyzing Materials By The Use Of Electric Means (AREA)
ITTO910602A 1991-07-30 1991-07-30 Metodo ed apparecchiatura per la determinazione dell'intasamento di unfiltro, in particolare di un filtro di un impianto di scarico. IT1249969B (it)

Priority Applications (4)

Application Number Priority Date Filing Date Title
ITTO910602A IT1249969B (it) 1991-07-30 1991-07-30 Metodo ed apparecchiatura per la determinazione dell'intasamento di unfiltro, in particolare di un filtro di un impianto di scarico.
ES92112347T ES2079753T3 (es) 1991-07-30 1992-07-20 Un metodo y aparato para determinar la obstruccion de un filtro, especialmente un filtro para un sistema de escape.
DE69205512T DE69205512T2 (de) 1991-07-30 1992-07-20 Verfahren und Vorrichtung zur Feststellung der Verstopfung eines Filters, insbesondere eines Filters für ein Auspuffsystem.
EP92112347A EP0525566B1 (en) 1991-07-30 1992-07-20 A method and apparatus for determining the clogging of a filter, in particular a filter for an exhaust system

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
ITTO910602A IT1249969B (it) 1991-07-30 1991-07-30 Metodo ed apparecchiatura per la determinazione dell'intasamento di unfiltro, in particolare di un filtro di un impianto di scarico.

Publications (3)

Publication Number Publication Date
ITTO910602A0 true ITTO910602A0 (it) 1991-07-30
ITTO910602A1 ITTO910602A1 (it) 1993-01-30
IT1249969B IT1249969B (it) 1995-03-30

Family

ID=11409529

Family Applications (1)

Application Number Title Priority Date Filing Date
ITTO910602A IT1249969B (it) 1991-07-30 1991-07-30 Metodo ed apparecchiatura per la determinazione dell'intasamento di unfiltro, in particolare di un filtro di un impianto di scarico.

Country Status (4)

Country Link
EP (1) EP0525566B1 (it)
DE (1) DE69205512T2 (it)
ES (1) ES2079753T3 (it)
IT (1) IT1249969B (it)

Families Citing this family (22)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5524433A (en) * 1994-12-27 1996-06-11 Ford Motor Company Methods and apparatus for monitoring the performance of hydrocarbon engine emission trapping devices
FR2760531B1 (fr) * 1997-03-07 1999-04-16 Inst Francais Du Petrole Dispositif destine a detecter l'encrassement et a chauffer localement un milieu isolant
DE19901066C1 (de) * 1999-01-14 2000-08-10 Daimler Chrysler Ag Verfahren zur Erkennung von durchlaßverringernden Veränderungen in einem Abgaskatalysatorkörper
FR2799504B1 (fr) * 1999-10-08 2002-01-18 Renault Procede et diagnostic d'un systeme d'echappement de moteur a combustion
FR2805347B1 (fr) * 2000-02-22 2002-07-12 Inst Francais Du Petrole Dispositif pour controler le debit de particules conductrices dans un flux de gaz
DE10102491C2 (de) * 2001-01-19 2003-04-17 Walter Hofmann Verfahren zum Betrieb einer Vorrichtung im Abgassystem eines Verbrennungsmotors zur Prüfung der Belastung des Abgasstroms mit Rußpartikeln, sowie diese Vorrichtung
FR2840354A1 (fr) * 2002-06-04 2003-12-05 Jean Claude Fayard Dispositif de filtration des gaz d'echappement pour moteur diesel a surface de filtration variable par obstruction commandee
DE102004007038A1 (de) * 2004-02-12 2005-09-01 Daimlerchrysler Ag Vorrichtung zur Feststellung des Zustands eines Rußpartikelfilters
DE102004029523A1 (de) * 2004-06-18 2006-01-12 Robert Bosch Gmbh Verfahren, Partikelsensor und Partikelsensorsystem zur Messung von Partikeln
DE102005016132A1 (de) * 2005-04-08 2006-10-12 Daimlerchrysler Ag Brennkraftmaschine mit Partikelfilter und Verfahren zur Erfassung einer Partikelbelastung eines Brennkraftmaschinenabgases
AT500441A3 (de) * 2005-08-11 2006-06-15 Avl List Gmbh Verfahren zur bestimmung des beladungszustandes eines partikelfilters einer brennkraftmaschine
US7155334B1 (en) * 2005-09-29 2006-12-26 Honeywell International Inc. Use of sensors in a state observer for a diesel engine
US7765792B2 (en) * 2005-10-21 2010-08-03 Honeywell International Inc. System for particulate matter sensor signal processing
EP2358460A4 (en) * 2008-10-31 2013-10-02 Emerachem Llc METHOD AND SYSTEMS FOR PARTICLE REDUCTION IN A GASSTROM
US9062576B2 (en) 2010-12-22 2015-06-23 Caterpillar Inc. Exhaust particulate filter system and operating method therefor
JP5942972B2 (ja) * 2013-12-18 2016-06-29 株式会社豊田自動織機 緊急車両の排気浄化システム
JP6317643B2 (ja) * 2014-07-31 2018-04-25 日本特殊陶業株式会社 ガス検出装置
JP6066975B2 (ja) * 2014-10-23 2017-01-25 本田技研工業株式会社 故障検出装置
DE102016219387B4 (de) 2016-10-06 2019-01-24 Audi Ag Verfahren und Vorrichtung zur Kalibrierung eines Abgassensors
CN107560988B (zh) * 2017-09-20 2024-05-21 张家港朗亿机电设备有限公司 一种适用于城市轨道交通场所的颗粒物在线检测系统及方法
JP6990442B2 (ja) * 2019-07-18 2022-01-12 国立大学法人信州大学 フィルタ膜の透水性評価方法および装置
JP7140080B2 (ja) * 2019-09-18 2022-09-21 株式会社デンソー 制御装置

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4450682A (en) * 1980-02-18 1984-05-29 Nippon Soken, Inc. Carbon particulates cleaning device for diesel engine
US4445326A (en) * 1982-05-21 1984-05-01 General Motors Corporation Internal combustion engine misfire detection system
US4656832A (en) * 1982-09-30 1987-04-14 Nippondenso Co., Ltd. Detector for particulate density and filter with detector for particulate density
DE3608801A1 (de) * 1986-03-15 1987-09-17 Fev Forsch Energietech Verbr Verfahren und vorrichtung zur regeneration von partikelfiltersystemen
DE3717141A1 (de) * 1987-05-21 1988-12-15 Webasto Ag Fahrzeugtechnik Abgasanlage fuer mehrzylinder-dieselbrennkraftmaschinen

Also Published As

Publication number Publication date
DE69205512T2 (de) 1996-04-18
IT1249969B (it) 1995-03-30
ITTO910602A1 (it) 1993-01-30
EP0525566B1 (en) 1995-10-18
ES2079753T3 (es) 1996-01-16
EP0525566A1 (en) 1993-02-03
DE69205512D1 (de) 1995-11-23

Similar Documents

Publication Publication Date Title
ITTO910602A0 (it) Metodo ed apparecchiatura per la determinazione dell'intasamento di unfiltro, in particolare di un filtro di un impianto di scarico
DE68929132D1 (de) Datenbankverwaltungssystem und Verfahren hierfür
GB2263988B (en) Work flow management system and method
FR2654851B1 (fr) Procede et systeme d'exploitation securisee d'un logiciel.
EP0454166A3 (en) Traffic flow measuring method and apparatus
EP0486620A4 (en) Particulate trap regeneration apparatus and method
DE69232587D1 (de) Elektrochirurgische vorrichtung für die laproskopie und ähnliche verfahren
IT9067924A0 (it) Composizione e metodo per la riduzione dell'appetito
DE68925529D1 (de) Abschätzung-positionierungssystem und verfahren
FI943384A7 (fi) Menetelmä lahjoitusten suorittamiseksi ja keräämiseksi
FI945346A7 (fi) Menetelmä ja järjestelmä puhelukustannusten perimiseksi
FI912471A7 (fi) Annostelusysteemi ja menetelmä
DE69326815D1 (de) Zweitakt schmiermittel und verfahren zu seiner verwendung
DE69034121D1 (de) Aufzeichnungsvorrichtung und -verfahren
IT8419327A0 (it) Metodo ed apparecchio per connettere le estremita' di elementi di fissaggio a filamento.
GB8925918D0 (en) Method and system for cleaning well casing
FI952013A7 (fi) Jatkuvan virtauksen analysointimenetelmä ja -laitteisto
ITMI912085A0 (it) Apparecchiatura e metodo per la misura di angoli
ITBO940216A0 (it) Metodo ed apparecchiatura per l'inserimento di elementi divisori pianifra oggetti affiancati lateralmente.
KR900700640A (ko) 일렉트로-슬랙 주조 장치 및 방법
IT8520300A0 (it) Metodo ed apparecchio perl'erogazione di elementi di fissaggio.
FR2765363B1 (fr) Procede et systeme de controle de l'utilisation d'un logiciel
FI922108A7 (fi) Suodatin sekä menetelmä sen konstruoimiseksi
EP0445675A3 (en) Method and apparatus for continuous flow analysis
FI92296B (fi) Menetelmä ja laite painevalua varten

Legal Events

Date Code Title Description
0001 Granted
TA Fee payment date (situation as of event date), data collected since 19931001

Effective date: 19950727