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WO2009033963A3 - Dispositif de distribution destiné à doser une solution d'urée aqueuse - Google Patents

Dispositif de distribution destiné à doser une solution d'urée aqueuse Download PDF

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Publication number
WO2009033963A3
WO2009033963A3 PCT/EP2008/061448 EP2008061448W WO2009033963A3 WO 2009033963 A3 WO2009033963 A3 WO 2009033963A3 EP 2008061448 W EP2008061448 W EP 2008061448W WO 2009033963 A3 WO2009033963 A3 WO 2009033963A3
Authority
WO
WIPO (PCT)
Prior art keywords
valve arrangement
outlet region
metering
closing body
urea solution
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.)
Ceased
Application number
PCT/EP2008/061448
Other languages
German (de)
English (en)
Other versions
WO2009033963A2 (fr
WO2009033963A9 (fr
Inventor
Franz Thoemmes
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.)
Robert Bosch GmbH
Original Assignee
Robert Bosch GmbH
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 Robert Bosch GmbH filed Critical Robert Bosch GmbH
Publication of WO2009033963A2 publication Critical patent/WO2009033963A2/fr
Publication of WO2009033963A3 publication Critical patent/WO2009033963A3/fr
Anticipated expiration legal-status Critical
Publication of WO2009033963A9 publication Critical patent/WO2009033963A9/fr
Ceased legal-status Critical Current

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
    • F01N3/08—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous
    • F01N3/10—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous by thermal or catalytic conversion of noxious components of exhaust
    • F01N3/18—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous by thermal or catalytic conversion of noxious components of exhaust characterised by methods of operation; Control
    • F01N3/20—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous by thermal or catalytic conversion of noxious components of exhaust characterised by methods of operation; Control specially adapted for catalytic conversion
    • F01N3/206—Adding periodically or continuously substances to exhaust gases for promoting purification, e.g. catalytic material in liquid form, NOx reducing agents
    • F01N3/2066—Selective catalytic reduction [SCR]
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
    • F16K31/00—Actuating devices; Operating means; Releasing devices
    • F16K31/02—Actuating devices; Operating means; Releasing devices electric; magnetic
    • F16K31/06—Actuating devices; Operating means; Releasing devices electric; magnetic using a magnet, e.g. diaphragm valves, cutting off by means of a liquid
    • F16K31/0644—One-way valve
    • F16K31/0655—Lift valves
    • F16K31/0665—Lift valves with valve member being at least partially ball-shaped
    • 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
    • F01N2610/00—Adding substances to exhaust gases
    • F01N2610/02—Adding substances to exhaust gases the substance being ammonia or urea
    • 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
    • F01N2610/00—Adding substances to exhaust gases
    • F01N2610/14—Arrangements for the supply of substances, e.g. conduits
    • 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
    • F01N2610/00—Adding substances to exhaust gases
    • F01N2610/14—Arrangements for the supply of substances, e.g. conduits
    • F01N2610/1453—Sprayers or atomisers; Arrangement thereof in the exhaust apparatus
    • 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
    • Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
    • Y02A50/00—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE in human health protection, e.g. against extreme weather
    • Y02A50/20—Air quality improvement or preservation, e.g. vehicle emission control or emission reduction by using catalytic converters
    • 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
    • Y02T10/12—Improving ICE efficiencies

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Mechanical Engineering (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Health & Medical Sciences (AREA)
  • Toxicology (AREA)
  • Combustion & Propulsion (AREA)
  • Exhaust Gas After Treatment (AREA)
  • Lift Valve (AREA)

Abstract

La présente invention concerne un dispositif de distribution destiné à doser une substance fluide en particulier permettant de réduire la teneur en substances polluantes, par exemple une solution d'urée aqueuse, dans un système d'échappement de véhicule à moteur. Le dispositif de distribution comprend une entrée de fluide (14), une zone de sortie (23) et un corps de fermeture (16, 48; 71) mobile destiné à refermer la zone de sortie (23), la substance pouvant s'écouler de l'entrée de fluide à la zone de sortie (23) lorsque celle-ci est ouverte, l'entrée de fluide (14) et le corps de fermeture (16, 48; 1648; 71) se trouvant dans une première unité structurelle (9). Selon l'invention, un dispositif de réglage (12) forme une deuxième unité structurelle (13), une membrane (38; 138; 238; 338) se trouvant entre la première et la deuxième unité structurelle, et le corps de fermeture (16, 48; 1648; 71) et un cors de réglage (26, 28) du dispositif de réglage, servant à transmettre une force de réglage au corps de fermeture, constituant des éléments structurels séparés.
PCT/EP2008/061448 2007-09-12 2008-09-01 Dispositif de distribution destiné à doser une solution d'urée aqueuse Ceased WO2009033963A2 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102007043532A DE102007043532A1 (de) 2007-09-12 2007-09-12 Ventilanordnung zur Dosierung einer wässrigen Harnstofflösung
DE102007043532.2 2007-09-12

Publications (3)

Publication Number Publication Date
WO2009033963A2 WO2009033963A2 (fr) 2009-03-19
WO2009033963A3 true WO2009033963A3 (fr) 2009-07-16
WO2009033963A9 WO2009033963A9 (fr) 2010-06-24

Family

ID=40344832

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/EP2008/061448 Ceased WO2009033963A2 (fr) 2007-09-12 2008-09-01 Dispositif de distribution destiné à doser une solution d'urée aqueuse

Country Status (2)

Country Link
DE (1) DE102007043532A1 (fr)
WO (1) WO2009033963A2 (fr)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102009027693A1 (de) 2009-07-14 2011-05-05 Robert Bosch Gmbh Dosiermodul für ein flüssiges Reduktionsmittel
DE102010029298A1 (de) 2010-05-26 2011-12-01 Robert Bosch Gmbh Ventilanordnung zur Dosierung eines fluiden Mediums in einen Abgasstrang einer Brennkraftmaschine
DE102010039084B4 (de) 2010-08-09 2024-10-02 Robert Bosch Gmbh Ventilvorrichtung zum Einspritzen eines Reduktionsmittels in den Abgasstrang eines Kraftfahrzeuges
FR2975431B1 (fr) * 2011-05-19 2013-06-07 Peugeot Citroen Automobiles Sa Dispositif pour l'injection d'un produit reducteur dans une canalisation d'echappement
DE102011053552A1 (de) * 2011-09-13 2013-03-14 Cummins Ltd. Elektromagnetisches Dosierventil
DE102012202363A1 (de) * 2012-02-16 2013-08-22 Continental Teves Ag & Co. Ohg Elektromagnetventil, insbesondere für schlupfgeregelte Kraftfahrzeugbremsanlagen
GB2552673B (en) * 2016-08-02 2020-02-19 Delphi Tech Ip Ltd SCR doser spray atomization
DE102017212128A1 (de) 2017-07-14 2019-01-17 Robert Bosch Gmbh Ventilanordnung zur Dosierung eines fluiden Mediums
CN109488772B (zh) * 2018-11-30 2019-12-03 北京理工大学 一种喷射电磁阀的双密封结构
DE102022133509B4 (de) * 2022-12-15 2025-01-16 Schaeffler Technologies AG & Co. KG Strahlpumpe und Verwendung einer Strahlpumpe in einem Brennstoffzellensystem

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE505974C (de) * 1926-12-21 1930-08-27 Aeg Vorrichtung zum Einfuehren von Brennstoff in den Brennraum von Brennkraftmaschinen
GB2094940A (en) * 1981-02-18 1982-09-22 Nissan Motor Piezo-electric valve
DE4005455A1 (de) * 1989-02-28 1990-08-30 Volkswagen Ag Zumessventil, insbesondere kraftstoff-einspritzventil fuer eine brennkraftmaschine
DE19806265C1 (de) * 1998-02-16 1999-07-22 Siemens Ag Dosiersystem
WO2003018992A1 (fr) * 2001-08-20 2003-03-06 Robert Bosch Gmbh Soupape d'injection de carburant
DE102004048075A1 (de) * 2004-10-02 2006-04-06 Robert Bosch Gmbh Dosiersystem zur Schadstoffreduktion in Kraftfahrzeugabgasen
US20070145165A1 (en) * 2005-12-19 2007-06-28 Tsutomu Murakami Electromagnetic fuel injection valve

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE505974C (de) * 1926-12-21 1930-08-27 Aeg Vorrichtung zum Einfuehren von Brennstoff in den Brennraum von Brennkraftmaschinen
GB2094940A (en) * 1981-02-18 1982-09-22 Nissan Motor Piezo-electric valve
DE4005455A1 (de) * 1989-02-28 1990-08-30 Volkswagen Ag Zumessventil, insbesondere kraftstoff-einspritzventil fuer eine brennkraftmaschine
DE19806265C1 (de) * 1998-02-16 1999-07-22 Siemens Ag Dosiersystem
WO2003018992A1 (fr) * 2001-08-20 2003-03-06 Robert Bosch Gmbh Soupape d'injection de carburant
DE102004048075A1 (de) * 2004-10-02 2006-04-06 Robert Bosch Gmbh Dosiersystem zur Schadstoffreduktion in Kraftfahrzeugabgasen
US20070145165A1 (en) * 2005-12-19 2007-06-28 Tsutomu Murakami Electromagnetic fuel injection valve

Also Published As

Publication number Publication date
WO2009033963A2 (fr) 2009-03-19
WO2009033963A9 (fr) 2010-06-24
DE102007043532A1 (de) 2009-03-19

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