JPH0551773B2 - - Google Patents
Info
- Publication number
- JPH0551773B2 JPH0551773B2 JP59180426A JP18042684A JPH0551773B2 JP H0551773 B2 JPH0551773 B2 JP H0551773B2 JP 59180426 A JP59180426 A JP 59180426A JP 18042684 A JP18042684 A JP 18042684A JP H0551773 B2 JPH0551773 B2 JP H0551773B2
- Authority
- JP
- Japan
- Prior art keywords
- secondary air
- fuel
- engine
- temperature
- air
- 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.)
- Expired - Lifetime
Links
- 239000000446 fuel Substances 0.000 claims description 64
- 238000000746 purification Methods 0.000 claims description 35
- 239000003054 catalyst Substances 0.000 claims description 34
- 239000000203 mixture Substances 0.000 claims description 15
- 238000001514 detection method Methods 0.000 claims description 6
- 238000011144 upstream manufacturing Methods 0.000 claims description 6
- 238000000034 method Methods 0.000 description 9
- 230000008569 process Effects 0.000 description 9
- 238000002347 injection Methods 0.000 description 8
- 239000007924 injection Substances 0.000 description 8
- 238000010586 diagram Methods 0.000 description 6
- 230000001186 cumulative effect Effects 0.000 description 4
- 230000000694 effects Effects 0.000 description 3
- 230000008901 benefit Effects 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 2
- 230000010354 integration Effects 0.000 description 2
- 239000002826 coolant Substances 0.000 description 1
- 239000000498 cooling water Substances 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- 239000008188 pellet Substances 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 230000004044 response Effects 0.000 description 1
- 230000007704 transition Effects 0.000 description 1
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
- 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
- F01N9/00—Electrical control of exhaust gas treating 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
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/10—Internal combustion engine [ICE] based vehicles
- Y02T10/40—Engine management systems
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)
- Electrical Control Of Air Or Fuel Supplied To Internal-Combustion Engine (AREA)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP59180426A JPS6158912A (ja) | 1984-08-31 | 1984-08-31 | エンジンの排気浄化装置 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP59180426A JPS6158912A (ja) | 1984-08-31 | 1984-08-31 | エンジンの排気浄化装置 |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS6158912A JPS6158912A (ja) | 1986-03-26 |
JPH0551773B2 true JPH0551773B2 (de) | 1993-08-03 |
Family
ID=16083045
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP59180426A Granted JPS6158912A (ja) | 1984-08-31 | 1984-08-31 | エンジンの排気浄化装置 |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS6158912A (de) |
Families Citing this family (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0469170B1 (de) * | 1990-08-01 | 1994-03-09 | Siemens Aktiengesellschaft | Verfahren zum Aufheizen eines Abgaskatalysators |
US5315823A (en) * | 1991-02-12 | 1994-05-31 | Nippondenso Co., Ltd. | Control apparatus for speedily warming up catalyst in internal combustion engine |
US5577383A (en) * | 1991-09-20 | 1996-11-26 | Hitachi, Ltd. | Apparatus for controlling internal combustion engine |
JP2601072B2 (ja) * | 1991-09-20 | 1997-04-16 | 株式会社日立製作所 | 内燃機関とその運転方法および自動車 |
US5537321A (en) * | 1992-10-15 | 1996-07-16 | Toyota Jidosha Kabushiki Kaisha | Diagnostic apparatus for controlling the operation of a catalytic converter |
JP2760251B2 (ja) * | 1993-03-12 | 1998-05-28 | トヨタ自動車株式会社 | 内燃機関の排気ガス浄化装置 |
JP3695397B2 (ja) | 2001-04-10 | 2005-09-14 | トヨタ自動車株式会社 | 内燃機関の排気浄化装置 |
-
1984
- 1984-08-31 JP JP59180426A patent/JPS6158912A/ja active Granted
Also Published As
Publication number | Publication date |
---|---|
JPS6158912A (ja) | 1986-03-26 |
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