IT1256713B - 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
IT1256713B
IT1256713B ITMI922838A ITMI922838A IT1256713B IT 1256713 B IT1256713 B IT 1256713B IT MI922838 A ITMI922838 A IT MI922838A IT MI922838 A ITMI922838 A IT MI922838A IT 1256713 B IT1256713 B IT 1256713B
Authority
IT
Italy
Prior art keywords
procedure
control
air pump
secondary air
pump
Prior art date
Application number
ITMI922838A
Other languages
English (en)
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

    • 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
    • F01N3/22—Control of additional air supply only, e.g. using by-passes or variable air pump drives
    • F01N3/222—Control of additional air supply only, e.g. using by-passes or variable air pump drives using electric valves 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
    • 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
    • F01N3/22—Control of additional air supply only, e.g. using by-passes or variable air pump drives
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02D—CONTROLLING COMBUSTION ENGINES
    • F02D35/00—Controlling engines, dependent on conditions exterior or interior to engines, not otherwise provided for
    • F02D35/0015—Controlling engines, dependent on conditions exterior or interior to engines, not otherwise provided for using exhaust gas sensors
    • F02D35/0023—Controlling air supply
    • F02D35/0038—Controlling air supply by means of air pumps
    • 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

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 ITMI922838A1 (it) 1994-06-11
IT1256713B true 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
JP2746559B2 (ja) * 1994-12-30 1998-05-06 現代自動車株式会社 車両における空気汚染排出物質低減装置
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
DE59004943D1 (de) * 1990-08-01 1994-04-14 Siemens Ag Verfahren zum Aufheizen eines Abgaskatalysators.

Also Published As

Publication number Publication date
JP3351835B2 (ja) 2002-12-03
JPH05248230A (ja) 1993-09-24
DE4141946A1 (de) 1993-06-24
ITMI922838A0 (it) 1992-12-11
DE4141946C2 (de) 2003-03-13
ITMI922838A1 (it) 1994-06-11
US5319928A (en) 1994-06-14

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Legal Events

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

Effective date: 19951219