JP4661792B2 - 内燃機関の排気異音抑制装置 - Google Patents
内燃機関の排気異音抑制装置 Download PDFInfo
- Publication number
- JP4661792B2 JP4661792B2 JP2007003223A JP2007003223A JP4661792B2 JP 4661792 B2 JP4661792 B2 JP 4661792B2 JP 2007003223 A JP2007003223 A JP 2007003223A JP 2007003223 A JP2007003223 A JP 2007003223A JP 4661792 B2 JP4661792 B2 JP 4661792B2
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- JP
- Japan
- Prior art keywords
- ignition timing
- exhaust
- timing
- exhaust valve
- valve
- 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
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- 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
- Electrical Control Of Ignition Timing (AREA)
- Output Control And Ontrol Of Special Type Engine (AREA)
- Combined Controls Of Internal Combustion Engines (AREA)
Description
7 三元触媒
8 拡張室
9 開閉弁
10 機関本体
18 点火プラグ
30 排気弁
32 燃料噴射弁
36 排気バルブ可変動弁機構
50 ECU
Claims (1)
- 排気通路に配設された触媒を備えると共に、触媒暖機のために点火時期を所定量遅角させる点火時期遅角制御手段を備える内燃機関において、
前記点火時期遅角制御手段により点火時期が遅角されたとき、遅角された点火時期に起因する筒内圧に対応させて、排気弁の開タイミングを変更する排気弁開タイミング変更手段を備え、
前記排気弁開タイミング変更手段は、点火時期が通常の進角状態にあるときの点火時期に起因する筒内圧と、前記点火時期遅角制御手段により遅角された点火時期に起因する筒内圧とがほぼ等しくなるタイミングに、排気弁の開タイミングを変更することを特徴とする内燃機関の排気異音抑制装置。
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2007003223A JP4661792B2 (ja) | 2007-01-11 | 2007-01-11 | 内燃機関の排気異音抑制装置 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2007003223A JP4661792B2 (ja) | 2007-01-11 | 2007-01-11 | 内燃機関の排気異音抑制装置 |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2008169744A JP2008169744A (ja) | 2008-07-24 |
JP4661792B2 true JP4661792B2 (ja) | 2011-03-30 |
Family
ID=39698067
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2007003223A Expired - Fee Related JP4661792B2 (ja) | 2007-01-11 | 2007-01-11 | 内燃機関の排気異音抑制装置 |
Country Status (1)
Country | Link |
---|---|
JP (1) | JP4661792B2 (ja) |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH0953476A (ja) * | 1995-08-09 | 1997-02-25 | Toyota Motor Corp | 可変バルブタイミング内燃機関 |
JP2002303164A (ja) * | 2001-04-09 | 2002-10-18 | Denso Corp | 内燃機関の排気音低減装置 |
JP2005105874A (ja) * | 2003-09-29 | 2005-04-21 | Toyota Motor Corp | 筒内噴射式火花点火内燃機関の制御装置 |
JP2005147058A (ja) * | 2003-11-18 | 2005-06-09 | Toyota Motor Corp | 内燃機関の制御装置 |
-
2007
- 2007-01-11 JP JP2007003223A patent/JP4661792B2/ja not_active Expired - Fee Related
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH0953476A (ja) * | 1995-08-09 | 1997-02-25 | Toyota Motor Corp | 可変バルブタイミング内燃機関 |
JP2002303164A (ja) * | 2001-04-09 | 2002-10-18 | Denso Corp | 内燃機関の排気音低減装置 |
JP2005105874A (ja) * | 2003-09-29 | 2005-04-21 | Toyota Motor Corp | 筒内噴射式火花点火内燃機関の制御装置 |
JP2005147058A (ja) * | 2003-11-18 | 2005-06-09 | Toyota Motor Corp | 内燃機関の制御装置 |
Also Published As
Publication number | Publication date |
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JP2008169744A (ja) | 2008-07-24 |
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