JP4359583B2 - 多気筒エンジン - Google Patents
多気筒エンジン Download PDFInfo
- Publication number
- JP4359583B2 JP4359583B2 JP2005251319A JP2005251319A JP4359583B2 JP 4359583 B2 JP4359583 B2 JP 4359583B2 JP 2005251319 A JP2005251319 A JP 2005251319A JP 2005251319 A JP2005251319 A JP 2005251319A JP 4359583 B2 JP4359583 B2 JP 4359583B2
- Authority
- JP
- Japan
- Prior art keywords
- exhaust
- cylinder
- turbocharger
- egr
- cylinder engine
- 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 - Fee Related
Links
Images
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02M—SUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
- F02M26/00—Engine-pertinent apparatus for adding exhaust gases to combustion-air, main fuel or fuel-air mixture, e.g. by exhaust gas recirculation [EGR] systems
- F02M26/13—Arrangement or layout of EGR passages, e.g. in relation to specific engine parts or for incorporation of accessories
- F02M26/42—Arrangement or layout of EGR passages, e.g. in relation to specific engine parts or for incorporation of accessories having two or more EGR passages; EGR systems specially adapted for engines having two or more cylinders
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02M—SUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
- F02M26/00—Engine-pertinent apparatus for adding exhaust gases to combustion-air, main fuel or fuel-air mixture, e.g. by exhaust gas recirculation [EGR] systems
- F02M26/02—EGR systems specially adapted for supercharged engines
- F02M26/04—EGR systems specially adapted for supercharged engines with a single turbocharger
- F02M26/05—High pressure loops, i.e. wherein recirculated exhaust gas is taken out from the exhaust system upstream of the turbine and reintroduced into the intake system downstream of the compressor
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02M—SUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
- F02M26/00—Engine-pertinent apparatus for adding exhaust gases to combustion-air, main fuel or fuel-air mixture, e.g. by exhaust gas recirculation [EGR] systems
- F02M26/13—Arrangement or layout of EGR passages, e.g. in relation to specific engine parts or for incorporation of accessories
- F02M26/38—Arrangement or layout of EGR passages, e.g. in relation to specific engine parts or for incorporation of accessories with two or more EGR valves disposed in parallel
-
- 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
- F02B29/00—Engines characterised by provision for charging or scavenging not provided for in groups F02B25/00, F02B27/00 or F02B33/00 - F02B39/00; Details thereof
- F02B29/04—Cooling of air intake supply
- F02B29/0406—Layout of the intake air cooling or coolant circuit
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02M—SUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
- F02M26/00—Engine-pertinent apparatus for adding exhaust gases to combustion-air, main fuel or fuel-air mixture, e.g. by exhaust gas recirculation [EGR] systems
- F02M26/13—Arrangement or layout of EGR passages, e.g. in relation to specific engine parts or for incorporation of accessories
- F02M26/22—Arrangement or layout of EGR passages, e.g. in relation to specific engine parts or for incorporation of accessories with coolers in the recirculation passage
- F02M26/23—Layout, e.g. schematics
- F02M26/24—Layout, e.g. schematics with two or more coolers
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Exhaust Silencers (AREA)
- Supercharger (AREA)
- Exhaust-Gas Circulating Devices (AREA)
Description
13 インタクーラ
23,23a,23b 排気マニホールド
25 合流部(排気通路)
26a,26b 先細ノズル形状の流路部(排気通路)
30 タービンハウジング
33 ディフューザ部
40 外部EGR装置
50 内部EGR装置
65 排気弁
Claims (6)
- 排気通路から吸気通路へ排気の一部を環流させる外部EGR装置、または吸気行程中に排気弁を開いて気筒に排気を逆流させる内部EGR装置、を備える多気筒エンジンにおいて、排気行程がオーバラップしない気筒群毎に排気マニホールドを分割し、これら排気マニホールドの合流部直上流にそれぞれ先細ノズル形状の流路部を設け、各流路部の先細ノズル形状の最小流路断面積Aを1気筒あたりの排気弁の最大開口面積Bの約25%に設定したことを特徴とする多気筒エンジン。
- 各排気マニホールドの合流部直下流にターボ過給機のタービンを接続したことを特徴とする請求項1の記載に係る多気筒エンジン。
- 各排気マニホールドの合流部直下流にディフューザ部を設けたことを特徴とする請求項1の記載に係る多気筒エンジン。
- 先細ノズル形状の流路部は、別体のスペーサに構成したことを特徴とする請求項1の記載に係る多気筒エンジン。
- ターボ過給機は、可変ノズル式ターボチャージャを用いたことを特徴とする請求項2の記載に係る多気筒エンジン。
- ディフューザ部は、別体のスペーサに構成したことを特徴とする請求項3の記載に係る多気筒エンジン。
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2005251319A JP4359583B2 (ja) | 2005-08-31 | 2005-08-31 | 多気筒エンジン |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2005251319A JP4359583B2 (ja) | 2005-08-31 | 2005-08-31 | 多気筒エンジン |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2007064099A JP2007064099A (ja) | 2007-03-15 |
JP4359583B2 true JP4359583B2 (ja) | 2009-11-04 |
Family
ID=37926586
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2005251319A Expired - Fee Related JP4359583B2 (ja) | 2005-08-31 | 2005-08-31 | 多気筒エンジン |
Country Status (1)
Country | Link |
---|---|
JP (1) | JP4359583B2 (ja) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP6838379B2 (ja) * | 2016-12-14 | 2021-03-03 | いすゞ自動車株式会社 | 内燃機関吸排気構造 |
JP7405065B2 (ja) | 2020-12-09 | 2023-12-26 | トヨタ自動車株式会社 | 内燃機関の排気通路構造 |
-
2005
- 2005-08-31 JP JP2005251319A patent/JP4359583B2/ja not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
JP2007064099A (ja) | 2007-03-15 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
US6886544B1 (en) | Exhaust gas venturi injector for an exhaust gas recirculation system | |
JP4965870B2 (ja) | 多気筒エンジン | |
JP2005147011A (ja) | ターボ過給エンジンの排気還流装置 | |
JP4108061B2 (ja) | ターボ過給エンジンのegrシステム | |
US20060124116A1 (en) | Clean gas injector | |
JP2005147010A (ja) | ターボ過給エンジンの排気還流装置 | |
JP2007231906A (ja) | 多気筒エンジン | |
JP2000249004A (ja) | リード弁を備えたegr装置 | |
JP4713406B2 (ja) | 多気筒エンジン | |
JP2008232091A (ja) | 過給器付内燃機関の排気還流装置 | |
JP4359583B2 (ja) | 多気筒エンジン | |
KR20160066242A (ko) | 터보차저를 갖는 엔진 시스템 | |
JP4778311B2 (ja) | 多気筒エンジン | |
JP2007315345A (ja) | 内燃機関の吸気構造 | |
JP4628279B2 (ja) | 多気筒エンジン | |
JP4566093B2 (ja) | 多気筒エンジン | |
JP4827757B2 (ja) | 多気筒エンジン | |
JP2007064042A (ja) | 多気筒エンジン | |
JP4741379B2 (ja) | 多気筒エンジン | |
JP5595018B2 (ja) | Egr装置 | |
JP2007327382A (ja) | 多気筒エンジンおよびそのegrクーラ | |
US20150240753A1 (en) | Exhaust Gas Mixing System | |
KR102437227B1 (ko) | 엔진의 배기가스 재순환 시스템 | |
JP2008185008A (ja) | 多気筒エンジン | |
US20150122236A1 (en) | Valves |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
A621 | Written request for application examination |
Free format text: JAPANESE INTERMEDIATE CODE: A621 Effective date: 20080307 |
|
A977 | Report on retrieval |
Free format text: JAPANESE INTERMEDIATE CODE: A971007 Effective date: 20090715 |
|
TRDD | Decision of grant or rejection written | ||
A01 | Written decision to grant a patent or to grant a registration (utility model) |
Free format text: JAPANESE INTERMEDIATE CODE: A01 Effective date: 20090728 |
|
A01 | Written decision to grant a patent or to grant a registration (utility model) |
Free format text: JAPANESE INTERMEDIATE CODE: A01 |
|
A61 | First payment of annual fees (during grant procedure) |
Free format text: JAPANESE INTERMEDIATE CODE: A61 Effective date: 20090810 |
|
FPAY | Renewal fee payment (event date is renewal date of database) |
Free format text: PAYMENT UNTIL: 20120814 Year of fee payment: 3 |
|
R150 | Certificate of patent or registration of utility model |
Free format text: JAPANESE INTERMEDIATE CODE: R150 |
|
FPAY | Renewal fee payment (event date is renewal date of database) |
Free format text: PAYMENT UNTIL: 20120814 Year of fee payment: 3 |
|
S533 | Written request for registration of change of name |
Free format text: JAPANESE INTERMEDIATE CODE: R313533 |
|
FPAY | Renewal fee payment (event date is renewal date of database) |
Free format text: PAYMENT UNTIL: 20120814 Year of fee payment: 3 |
|
R350 | Written notification of registration of transfer |
Free format text: JAPANESE INTERMEDIATE CODE: R350 |
|
FPAY | Renewal fee payment (event date is renewal date of database) |
Free format text: PAYMENT UNTIL: 20120814 Year of fee payment: 3 |
|
FPAY | Renewal fee payment (event date is renewal date of database) |
Free format text: PAYMENT UNTIL: 20150814 Year of fee payment: 6 |
|
R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |
|
LAPS | Cancellation because of no payment of annual fees |