JPH03110122U - - Google Patents
Info
- Publication number
- JPH03110122U JPH03110122U JP1990019818U JP1981890U JPH03110122U JP H03110122 U JPH03110122 U JP H03110122U JP 1990019818 U JP1990019818 U JP 1990019818U JP 1981890 U JP1981890 U JP 1981890U JP H03110122 U JPH03110122 U JP H03110122U
- Authority
- JP
- Japan
- Prior art keywords
- engine
- secondary air
- pressure
- valve
- rotation speed
- 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.)
- Pending
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
- F01N3/227—Control of additional air supply only, e.g. using by-passes or variable air pump drives using pneumatically operated valves, e.g. membrane valves
-
- 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
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02B—INTERNAL-COMBUSTION PISTON ENGINES; COMBUSTION ENGINES IN GENERAL
- F02B37/00—Engines characterised by provision of pumps driven at least for part of the time by exhaust
- F02B37/12—Control of the pumps
- F02B37/16—Control of the pumps by bypassing charging air
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02B—INTERNAL-COMBUSTION PISTON ENGINES; COMBUSTION ENGINES IN GENERAL
- F02B37/00—Engines characterised by provision of pumps driven at least for part of the time by exhaust
- F02B37/12—Control of the pumps
- F02B37/16—Control of the pumps by bypassing charging air
- F02B37/164—Control of the pumps by bypassing charging air the bypassed air being used in an auxiliary apparatus, e.g. in an air turbine
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02B—INTERNAL-COMBUSTION PISTON ENGINES; COMBUSTION ENGINES IN GENERAL
- F02B37/00—Engines characterised by provision of pumps driven at least for part of the time by exhaust
- F02B37/12—Control of the pumps
- F02B37/16—Control of the pumps by bypassing charging air
- F02B37/168—Control of the pumps by bypassing charging air into the exhaust conduit
-
- 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
- Y02T10/12—Improving ICE efficiencies
-
- 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)
Description
第1図、第2図は本考案の実施例を示す全体構
成図と要部断面図、第3図は制御内容を示すフロ
ーチヤート、第4図は制御弁のON、OFF領域
を示すグラフである。 2……吸気通路、3……排気通路、4……ター
ボ過給機、8……スロツトル弁、10……酸素セ
ンサ、12……二次空気導入通路、13……リー
ド弁、14……ダイヤフラム弁、15……圧力室
、17……弁体、19……制御弁、20……エア
フローセンサ、21……ストツトル弁開度センサ
、22……水温センサ、23……回転センサ、2
4……制御回路。
成図と要部断面図、第3図は制御内容を示すフロ
ーチヤート、第4図は制御弁のON、OFF領域
を示すグラフである。 2……吸気通路、3……排気通路、4……ター
ボ過給機、8……スロツトル弁、10……酸素セ
ンサ、12……二次空気導入通路、13……リー
ド弁、14……ダイヤフラム弁、15……圧力室
、17……弁体、19……制御弁、20……エア
フローセンサ、21……ストツトル弁開度センサ
、22……水温センサ、23……回転センサ、2
4……制御回路。
Claims (1)
- 過給機付エンジンの排気中に二次空気を導入す
る通路にリード弁および圧力室への負圧の導入に
より開くダイヤフラム弁を介装した二次空気導入
装置において、エンジンの運転状態を検出する手
段と、前記ダイヤフラム弁の圧力室にエンジンの
所定低負荷低回転時に吸気管負圧を、部分負荷時
に大気圧を、高負荷高回転時に過給正圧を導入す
る制御弁とを設けたことを特徴とする過給機付エ
ンジンの二次空気導入装置。
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1990019818U JPH03110122U (ja) | 1990-02-28 | 1990-02-28 | |
| US07/648,295 US5105620A (en) | 1990-02-28 | 1991-01-30 | Secondary air supply system for supercharged engine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1990019818U JPH03110122U (ja) | 1990-02-28 | 1990-02-28 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH03110122U true JPH03110122U (ja) | 1991-11-12 |
Family
ID=12009901
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1990019818U Pending JPH03110122U (ja) | 1990-02-28 | 1990-02-28 |
Country Status (2)
| Country | Link |
|---|---|
| US (1) | US5105620A (ja) |
| JP (1) | JPH03110122U (ja) |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5427079A (en) * | 1992-12-04 | 1995-06-27 | Ford Motor Company | Supercharged engine with variable ratio drive supercharger |
| US5377650A (en) * | 1993-10-26 | 1995-01-03 | Walbro Corporation | Low emission engines |
| DE19840629C2 (de) * | 1998-09-05 | 2002-06-27 | Daimler Chrysler Ag | Antriebsaggregat für ein Fahrzeug |
| US7162861B2 (en) * | 2004-02-10 | 2007-01-16 | Southwest Research Institute | Method of improving performance of emission control devices by controlling exhaust oxygen content |
| JP2005264735A (ja) * | 2004-03-16 | 2005-09-29 | Yamaha Marine Co Ltd | 過給機付きエンジン |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3906722A (en) * | 1970-09-22 | 1975-09-23 | Alfa Romeo Spa | Exhaust system for internal combustion engines |
| JPS5376217A (en) * | 1976-12-18 | 1978-07-06 | Toyota Motor Corp | Secondary air introducing apparatus of internal combustion engine |
| US4246752A (en) * | 1978-11-03 | 1981-01-27 | General Motors Corporation | Turbocharged engine control |
| JPS5918528B2 (ja) * | 1979-01-11 | 1984-04-27 | ダイハツ工業株式会社 | 排気タ−ボ過給式エンジンにおける2次空気供給装置 |
| US4534173A (en) * | 1981-10-19 | 1985-08-13 | Honda Giken Kogyo Kabushiki Kaisha | Means for supplying a secondary air in an internal combustion engine which is provided with a turbo charger |
| JPS58172415A (ja) * | 1982-04-05 | 1983-10-11 | Honda Motor Co Ltd | タ−ボ過給機付内燃機関における排気浄化用二次空気供給制御装置 |
-
1990
- 1990-02-28 JP JP1990019818U patent/JPH03110122U/ja active Pending
-
1991
- 1991-01-30 US US07/648,295 patent/US5105620A/en not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| US5105620A (en) | 1992-04-21 |