ATE546622T1 - Dosiersystem für ein flüssiges medium, insbesondere harnstoff-wasser-lösung - Google Patents

Dosiersystem für ein flüssiges medium, insbesondere harnstoff-wasser-lösung

Info

Publication number
ATE546622T1
ATE546622T1 AT09765665T AT09765665T ATE546622T1 AT E546622 T1 ATE546622 T1 AT E546622T1 AT 09765665 T AT09765665 T AT 09765665T AT 09765665 T AT09765665 T AT 09765665T AT E546622 T1 ATE546622 T1 AT E546622T1
Authority
AT
Austria
Prior art keywords
dosing
dosing system
liquid medium
water solution
urea water
Prior art date
Application number
AT09765665T
Other languages
English (en)
Inventor
Guenther Vogt
Stefan Loesch
Christian Basan
Original Assignee
Bosch Gmbh Robert
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 Bosch Gmbh Robert filed Critical Bosch Gmbh Robert
Application granted granted Critical
Publication of ATE546622T1 publication Critical patent/ATE546622T1/de

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 ; Methods of operation or control of catalytic converters
    • F01N3/206—Adding periodically or continuously substances to exhaust gases for promoting purification, e.g. catalytic material in liquid form, NOx reducing agents
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
    • F04B13/00—Pumps specially modified to deliver fixed or variable measured quantities
    • 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
    • F01N2610/01—Adding substances to exhaust gases the substance being catalytic material in liquid form
    • 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
    • F01N2610/1433—Pumps
    • 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
    • Y10T137/7722—Line condition change responsive valves
    • Y10T137/7837—Direct response valves [i.e., check valve type]
    • 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
    • Y10T137/7722—Line condition change responsive valves
    • Y10T137/7837—Direct response valves [i.e., check valve type]
    • Y10T137/7904—Reciprocating valves
    • Y10T137/7922—Spring biased

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Health & Medical Sciences (AREA)
  • Toxicology (AREA)
  • Combustion & Propulsion (AREA)
  • Exhaust Gas After Treatment (AREA)
AT09765665T 2008-06-17 2009-04-22 Dosiersystem für ein flüssiges medium, insbesondere harnstoff-wasser-lösung ATE546622T1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102008002467A DE102008002467A1 (de) 2008-06-17 2008-06-17 Dosiersystem für ein flüssiges Medium, insbesondere Harnstoff-Wasser-Lösung
PCT/EP2009/054799 WO2009153085A1 (de) 2008-06-17 2009-04-22 Dosiersystem für ein flüssiges medium, insbesondere harnstoff-wasser-lösung

Publications (1)

Publication Number Publication Date
ATE546622T1 true ATE546622T1 (de) 2012-03-15

Family

ID=40886826

Family Applications (1)

Application Number Title Priority Date Filing Date
AT09765665T ATE546622T1 (de) 2008-06-17 2009-04-22 Dosiersystem für ein flüssiges medium, insbesondere harnstoff-wasser-lösung

Country Status (6)

Country Link
US (1) US20110186153A1 (de)
EP (1) EP2294294B1 (de)
CN (1) CN102066709A (de)
AT (1) ATE546622T1 (de)
DE (1) DE102008002467A1 (de)
WO (1) WO2009153085A1 (de)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102010030860A1 (de) * 2010-07-02 2012-01-05 Robert Bosch Gmbh Verfahren zum Betreiben eines Reduktionsmitteldosiersystems für einen SCR-Katalysator
DE102013101573A1 (de) * 2013-02-18 2014-08-21 Emitec France S.A.S Verfahren zum Beheizen einer Fördervorrichtung
DE102018217305B4 (de) * 2018-10-10 2024-04-25 Vitesco Technologies GmbH Verfahren zur Steuerung eines Rücklaufventils und Abgassystem

Family Cites Families (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2456566A (en) * 1946-11-18 1948-12-14 Shell Dev Reverse flow by-pass valve
US3805825A (en) * 1972-02-22 1974-04-23 Steinen Mfg Co Unitary pneumatic flow director
EP0112150B1 (de) * 1982-12-13 1989-06-07 Mikuni Kogyo Kabushiki Kaisha Verfahren zur Luftdurchsatzregelung
US5031661A (en) * 1988-07-08 1991-07-16 Buckner, Inc. Double check valve backflow preventer assembly
GB2260595B (en) * 1991-10-17 1995-05-31 Dowty Aerospace Gloucester A pressure relief valve
DE19631287B4 (de) * 1996-08-02 2004-01-15 Robert Bosch Gmbh Kraftstoffpumpvorrichtung für Zweitaktmotoren mit einer zusätzlichen Antriebseinheit
DE19806265C5 (de) * 1998-02-16 2004-07-22 Siemens Ag Dosiersystem
DE19819579C1 (de) * 1998-04-30 1999-09-30 Siemens Ag Verfahren und Vorrichtung zur Abgasnachbehandlung für eine mit einem SCR-Katalysator ausgestattete Brennkraftmaschine
DE10116214A1 (de) * 2001-03-30 2002-10-10 Bosch Gmbh Robert Vorrichtung zum Nachbehandeln von Abgasen einer Brennkraftmaschine
DE112004002131D2 (de) * 2003-09-02 2006-07-13 Hydraulik Ring Gmbh Pumpe zur Förderung eines Abgasnachbehandlungsmediums, insbesondere einer Harnstoff-Wasser-Lösung, für Dieselmotoren
DE102004011123A1 (de) * 2003-09-02 2005-03-31 Hydraulik-Ring Gmbh Pumpe zur Förderung eines Abgasnachbehandlungsmediums, insbesondere einer Harnstoff-Wasser-Lösung, für Dieselmotoren
DE102004050023A1 (de) * 2004-10-13 2006-04-27 L'orange Gmbh Einrichtung zur dosierten Einspritzung eines Reduktionsmittels in den Abgastrakt einer Brennkraftmaschine
DE102006012855A1 (de) 2006-03-21 2007-09-27 Robert Bosch Gmbh Verfahren und Dosiersystem zur Schadstoffreduktion in Kraftfahrzeugabgasen
DE102006045448A1 (de) * 2006-09-19 2008-03-27 Lechler Gmbh Rückschlagventil für Dosierpumpen, Dosierpumpe und Spritzvorrichtung für die Pflanzenschutztechnik

Also Published As

Publication number Publication date
US20110186153A1 (en) 2011-08-04
DE102008002467A1 (de) 2009-12-24
CN102066709A (zh) 2011-05-18
EP2294294B1 (de) 2012-02-22
WO2009153085A1 (de) 2009-12-23
EP2294294A1 (de) 2011-03-16

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