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
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)
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)
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)
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 |
-
1991
- 1991-12-19 DE DE4141946A patent/DE4141946C2/de not_active Expired - Lifetime
-
1992
- 1992-12-11 IT ITMI922838A patent/IT1256713B/it active IP Right Grant
- 1992-12-17 JP JP33646992A patent/JP3351835B2/ja not_active Expired - Fee Related
- 1992-12-18 US US07/993,004 patent/US5319928A/en not_active Expired - Lifetime
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 |
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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 |