JP2008088959A - 内燃機関の吸気装置 - Google Patents
内燃機関の吸気装置 Download PDFInfo
- Publication number
- JP2008088959A JP2008088959A JP2006273870A JP2006273870A JP2008088959A JP 2008088959 A JP2008088959 A JP 2008088959A JP 2006273870 A JP2006273870 A JP 2006273870A JP 2006273870 A JP2006273870 A JP 2006273870A JP 2008088959 A JP2008088959 A JP 2008088959A
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- JP
- Japan
- Prior art keywords
- intake
- valve
- internal combustion
- combustion engine
- intake 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.)
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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
Landscapes
- Cylinder Crankcases Of Internal Combustion Engines (AREA)
Abstract
【解決手段】内燃機関1の吸気装置6は、ポペット型吸気弁11を備える。シリンダ孔3内に向かって開口する吸気通路8の下流端開口10の開口縁に形成される円環形状の弁座21に対し、吸気弁11の傘部17の弁面19が離接して下流端開口10を開閉可能とする。傘部17における弁面19よりも吸気通路8側の外面25に凹部26を形成している。
【選択図】図1
Description
上記傘部17における上記弁面19よりも上記吸気通路8側の外面25に凹部26を形成したものである。
上記傘部における上記弁面よりも上記吸気通路側の外面に凹部を形成している。
2 シリンダ
3 シリンダ孔
4 シリンダヘッド
5 軸心
6 吸気装置
8 吸気通路
10 下流端開口
11 吸気弁
15 軸心
16 軸心
17 傘部
18 弁棒
19 弁面
21 弁座
23 吸入空気
25 外面
26 凹部
28 弁隙間
29 渦
31 仮想線
32 内面
33 他の内面
L バルブリフト
θ1 交角
θ2 交角
Claims (2)
- シリンダ孔内に向かって開口する吸気通路の下流端開口の開口縁に形成される円環形状の弁座に対し、傘部の弁面が離接して上記下流端開口を開閉可能とするポペット型吸気弁を備えた内燃機関の吸気装置において、
上記傘部における上記弁面よりも上記吸気通路側の外面に凹部を形成したことを特徴とする内燃機関の吸気装置。 - 上記凹部を、上記傘部の弁面近傍に沿って上記吸気弁の周方向に延びる溝形状としたことを特徴とする請求項1に記載の内燃機関の吸気装置。
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2006273870A JP4707641B2 (ja) | 2006-10-05 | 2006-10-05 | 内燃機関の吸気装置 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2006273870A JP4707641B2 (ja) | 2006-10-05 | 2006-10-05 | 内燃機関の吸気装置 |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2008088959A true JP2008088959A (ja) | 2008-04-17 |
JP4707641B2 JP4707641B2 (ja) | 2011-06-22 |
Family
ID=39373347
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2006273870A Expired - Fee Related JP4707641B2 (ja) | 2006-10-05 | 2006-10-05 | 内燃機関の吸気装置 |
Country Status (1)
Country | Link |
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JP (1) | JP4707641B2 (ja) |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2009123056A1 (ja) | 2008-03-30 | 2009-10-08 | 富士フイルム株式会社 | 赤外線吸収性化合物および該化合物からなる微粒子 |
EP2287450A1 (en) | 2009-08-07 | 2011-02-23 | Yamaha Hatsudoki Kabushiki Kaisha | Inlet valve, internal combustion engine and transportation apparatus including the same |
EP3152416A4 (en) * | 2014-06-03 | 2018-02-28 | Bergen Engines AS | Inlet valve for a cylinder in an combustion engine |
Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH0237266A (ja) * | 1988-07-26 | 1990-02-07 | Mitsubishi Electric Corp | 冷蔵庫用製氷装置 |
Family Cites Families (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH0237266U (ja) * | 1988-08-31 | 1990-03-12 |
-
2006
- 2006-10-05 JP JP2006273870A patent/JP4707641B2/ja not_active Expired - Fee Related
Patent Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH0237266A (ja) * | 1988-07-26 | 1990-02-07 | Mitsubishi Electric Corp | 冷蔵庫用製氷装置 |
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2009123056A1 (ja) | 2008-03-30 | 2009-10-08 | 富士フイルム株式会社 | 赤外線吸収性化合物および該化合物からなる微粒子 |
EP2287450A1 (en) | 2009-08-07 | 2011-02-23 | Yamaha Hatsudoki Kabushiki Kaisha | Inlet valve, internal combustion engine and transportation apparatus including the same |
US8245682B2 (en) | 2009-08-07 | 2012-08-21 | Yamaha Hatsudoki Kabushiki Kaisha | Inlet valve, internal combustion engine and transportation apparatus including the same |
EP3152416A4 (en) * | 2014-06-03 | 2018-02-28 | Bergen Engines AS | Inlet valve for a cylinder in an combustion engine |
Also Published As
Publication number | Publication date |
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JP4707641B2 (ja) | 2011-06-22 |
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