ITMI922838A1 - Procedimento e dispositivo per comandare il funzionamento di una pompa dell'aria secondaria. - Google Patents

Procedimento e dispositivo per comandare il funzionamento di una pompa dell'aria secondaria.

Info

Publication number
ITMI922838A1
ITMI922838A1 IT002838A ITMI922838A ITMI922838A1 IT MI922838 A1 ITMI922838 A1 IT MI922838A1 IT 002838 A IT002838 A IT 002838A IT MI922838 A ITMI922838 A IT MI922838A IT MI922838 A1 ITMI922838 A1 IT MI922838A1
Authority
IT
Italy
Prior art keywords
commanding
procedure
air pump
secondary air
pump
Prior art date
Application number
IT002838A
Other languages
English (en)
Inventor
Rainer Bone
Joerg Lange
Winfried Moser
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
Publication of ITMI922838A0 publication Critical patent/ITMI922838A0/it
Publication of ITMI922838A1 publication Critical patent/ITMI922838A1/it
Application granted granted Critical
Publication of IT1256713B publication Critical patent/IT1256713B/it

Links

Classifications

    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01NGAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL COMBUSTION ENGINES
    • F01N3/00Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust
    • F01N3/08Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous
    • F01N3/10Exhaust 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
    • F01N3/18Exhaust 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
    • F01N3/22Control of additional air supply only, e.g. using by-passes or variable air pump drives
    • F01N3/222Control of additional air supply only, e.g. using by-passes or variable air pump drives using electric valves only
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01NGAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL COMBUSTION ENGINES
    • F01N3/00Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust
    • F01N3/08Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous
    • F01N3/10Exhaust 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
    • F01N3/18Exhaust 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
    • F01N3/22Control of additional air supply only, e.g. using by-passes or variable air pump drives
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02DCONTROLLING COMBUSTION ENGINES
    • F02D35/00Controlling engines, dependent on conditions exterior or interior to engines, not otherwise provided for
    • F02D35/0015Controlling engines, dependent on conditions exterior or interior to engines, not otherwise provided for using exhaust gas sensors
    • F02D35/0023Controlling air supply
    • F02D35/0038Controlling air supply by means of air pumps
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01NGAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL COMBUSTION ENGINES
    • F01N3/00Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust
    • F01N3/08Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous
    • F01N3/10Exhaust 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
    • F01N3/18Exhaust 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
    • F01N3/20Exhaust 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Health & Medical Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Toxicology (AREA)
  • Exhaust Gas After Treatment (AREA)
  • Combined Controls Of Internal Combustion Engines (AREA)
ITMI922838A 1991-12-19 1992-12-11 Procedimento e dispositivo per comandare il funzionamento di una pompa dell'aria secondaria. IT1256713B (it)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE4141946A DE4141946C2 (de) 1991-12-19 1991-12-19 Verfahren und Vorrichtung zur Steuerung des Betriebs einer Sekundärluftpumpe

Publications (3)

Publication Number Publication Date
ITMI922838A0 ITMI922838A0 (it) 1992-12-11
ITMI922838A1 true ITMI922838A1 (it) 1994-06-11
IT1256713B IT1256713B (it) 1995-12-15

Family

ID=6447476

Family Applications (1)

Application Number Title Priority Date Filing Date
ITMI922838A IT1256713B (it) 1991-12-19 1992-12-11 Procedimento e dispositivo per comandare il funzionamento di una pompa dell'aria secondaria.

Country Status (4)

Country Link
US (1) US5319928A (it)
JP (1) JP3351835B2 (it)
DE (1) DE4141946C2 (it)
IT (1) IT1256713B (it)

Families Citing this family (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4237215C2 (de) * 1992-11-04 2001-02-22 Bosch Gmbh Robert Verfahren und Vorrichtung zur Überprüfung eines Systems zur Zufuhr von Sekundärluft in das Abgas einer Brenkraftmaschine
DE4327882C1 (de) 1993-08-19 1994-09-29 Audi Ag Sekundärluft-Ersatzsystem
GB2296875B (en) * 1994-12-30 1997-05-28 Hyundai Motor Co Ltd A device for reducing air polluting emissions from vehicles
JPH0949422A (ja) * 1995-08-09 1997-02-18 Denso Corp 内燃機関の排出ガス浄化装置
DE19539937C2 (de) * 1995-10-26 1998-01-15 Siemens Ag Verfahren zur Steuerung des Abgasverhältnisses von Kraftstoff zu Sauerstoff im Abgastrakt vor einem Katalysator
DE19739847A1 (de) * 1997-09-11 1999-04-15 Bosch Gmbh Robert Brennkraftmaschine insbesondere für ein Kraftfahrzeug
DE19746814A1 (de) * 1997-10-23 1999-04-29 Behr Gmbh & Co Pumpeneinrichtung, damit ausgerüstete Abgasreinigungsanlage und Betriebsverfahren hierfür
ATE237749T1 (de) 1997-10-31 2003-05-15 Swatch Group Man Serv Ag Verfahren zur verminderung des schadstoffausstosses einer brennkraftmaschine
DE19829205C1 (de) * 1998-06-30 1999-08-26 Siemens Ag Verfahren zur Einspritzzeitkorrektur bei einer Brennkraftmaschine mit Sekundärluftsystem
DE10000216A1 (de) 2000-01-05 2001-07-12 Bosch Gmbh Robert Steuerung eines Mehrzylinder-Verbrennungsmotors mit individuell ansteuerbaren Einlaßventilen
DE10015321A1 (de) 2000-03-28 2001-10-04 Bosch Gmbh Robert Verfahren und Vorrichtung zur Steuerung des Leerlaufs einer Antriebseinheit
JP3852382B2 (ja) * 2002-07-30 2006-11-29 トヨタ自動車株式会社 内燃機関の排気ガス浄化装置
DE10326592A1 (de) 2003-06-13 2004-12-30 Daimlerchrysler Ag Verfahren zur Regeneration eines NOx-Speicherkatalysators in einer Abgasanlage einer direkteinspritzenden Ottobrennkraftmaschine
JP4479420B2 (ja) * 2004-08-30 2010-06-09 トヨタ自動車株式会社 2次空気供給装置
DE102004046638A1 (de) 2004-09-25 2006-03-30 Robert Bosch Gmbh Verfahren zum Betreiben einer im Abgasbereich einer Brennkraftmaschine angeordneten Partikelfilters und Vorrichtung zur Durchführung des Verfahrens
DE102004048135B4 (de) * 2004-10-02 2014-02-13 Robert Bosch Gmbh Verfahren zum Betreiben eines im Abgasbereich einer Brennkraftmaschine angeordneten Partikelfilters und Vorrichtung zur Durchführung des Verfahrens
ITMI20050934A1 (it) * 2005-05-23 2006-11-24 Italpizza S P A Forno industriale a tunnel riscaldato a legna per la cottura di pizze e prodotti alimentari affini

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4915457Y1 (it) * 1969-03-04 1974-04-18
US3986352A (en) * 1975-05-08 1976-10-19 General Motors Corporation Closed loop fuel control using air injection in open loop modes
DE2657608C2 (de) * 1976-12-18 1985-11-07 Robert Bosch Gmbh, 7000 Stuttgart Einrichtung zur Beeinflussung der Zusammensetzung der Abgase einer Brennkraftmaschine
JPS53134110A (en) * 1977-04-28 1978-11-22 Nippon Denso Co Ltd Secondary air controller
JPS5735136A (en) * 1980-08-12 1982-02-25 Honda Motor Co Ltd Secondary-air supply instrument of air/fuel ratio control equipment for an internal combustion engine
JPS57171016A (en) * 1981-04-11 1982-10-21 Fuji Heavy Ind Ltd Controlling device for supplying secondary air in internal combustion engine
JPS59138714A (ja) * 1983-01-27 1984-08-09 Mazda Motor Corp エンジンの二次エア供給装置
EP0469170B1 (de) * 1990-08-01 1994-03-09 Siemens Aktiengesellschaft Verfahren zum Aufheizen eines Abgaskatalysators

Also Published As

Publication number Publication date
DE4141946A1 (de) 1993-06-24
US5319928A (en) 1994-06-14
DE4141946C2 (de) 2003-03-13
ITMI922838A0 (it) 1992-12-11
JPH05248230A (ja) 1993-09-24
JP3351835B2 (ja) 2002-12-03
IT1256713B (it) 1995-12-15

Similar Documents

Publication Publication Date Title
ITMI922838A1 (it) Procedimento e dispositivo per comandare il funzionamento di una pompa dell'aria secondaria.
IT9067032A0 (it) Corpo pompa.
ITMI911672A1 (it) Procedimento per l'impiego di un robot e dispositivo relativo.
USD303840S (en) Surgical drain tube
IT8619745A0 (it) Procedimento per l'azionamento di una spoletta di prossimita' e dispositivo per l'esecuzione del procedimento.
ITMI911703A0 (it) Erbicidi a base di una combinazione di metamitron/etofumesat/fenmedifam/desmedifam
ITMI922571A1 (it) Procedimento per la fabbricazione di un cassetto a stantuffo nonche' dispositivo per l'attuazione del procedimento
ITMI910384A1 (it) Dispositivo per l'azionamento ritardato di una valvola
IT1272356B (it) Procedimento per l'esercizio di un calorimetro
GB9209372D0 (en) "stand-easy",(a lifting chair for static and wheeled use by the infirm)
RU1810652C (ru) Гибка муфта
IT1238963B (it) Unita' per la manipolazione di siringhe.
USD347051S (en) Bathtub
IT1240122B (it) Dispositivo per il prelievo ed il controllo di conformita' di una guarnizione.
ITTO920022V0 (it) Dispositivo di bloccaggio di una pompa idraulica alternativa, per l'a-zionamento manuale di un attuatore idraulico
IT8922824A0 (it) Dispositivo per ridurre le sollecitazioni su una valvola di ermeticita'
FR2697644B1 (fr) Boîtier d'appareil photographique.
IT9000544V0 (it) Striscione ad uso individuale dotato alle estremita'di una coppia di maniglie.
IT8847895A0 (it) Apparecchiatura per regolare lapressione di una pompa
ITTO920656A1 (it) Sedia per operativita' chirurgica.
IT216170Z2 (it) Dispositivo per l'assiemamento di contenitorei specializzati e non.
IT8883626A0 (it) Meccanismo per l'azione di una pompa a membrana.
ITFI920026U1 (it) Dispositivo per la regolazione dell' inclinazione di una passerella per natanti
IT8624347V0 (it) Dispositivo per l'alimentazione di lampade a scarica.
ITRM910449A0 (it) Procedimento per conformare e/o proteggere l'interno di un corpo cavo,e mezzi per la realizzazione di detto procedimento.

Legal Events

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

Effective date: 19951219