JP4207812B2 - シリンダヘッド - Google Patents
シリンダヘッド Download PDFInfo
- Publication number
- JP4207812B2 JP4207812B2 JP2004071212A JP2004071212A JP4207812B2 JP 4207812 B2 JP4207812 B2 JP 4207812B2 JP 2004071212 A JP2004071212 A JP 2004071212A JP 2004071212 A JP2004071212 A JP 2004071212A JP 4207812 B2 JP4207812 B2 JP 4207812B2
- Authority
- JP
- Japan
- Prior art keywords
- protrusion
- intake
- combustion chamber
- valve seat
- amount
- 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
-
- 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
- Combustion Methods Of Internal-Combustion Engines (AREA)
- Cylinder Crankcases Of Internal Combustion Engines (AREA)
Description
2 排気バルブ
3 吸気バルブシート
4 排気バルブシート
8 シリンダヘッド
9 点火プラグ
10 ピストン
11 吸気ポート
12 排気ポート
13 燃焼室
14 シリンダブロック
Claims (4)
- 内燃機関のシリンダヘッドであって、
吸気ポート開口部の周囲の全部または一部に燃焼室側に凸な突出部を設け、
さらに前記突出部の燃焼室側の端面の外周部付近に、前記突出部のシリンダボア壁に最も近い部分を中心として、前記突出部の所定範囲にわたって小突起部を設けたことを特徴とするシリンダヘッド。 - 前記所定範囲は、前記突出部の全周の略1/4である請求項1に記載のシリンダヘッド。
- 前記突出部は、前記吸気ポート開口部から所定の距離を置いた部分に、前記吸気ポートを囲むように設けた請求項1に記載のシリンダヘッド。
- 前記突出部は、吸気バルブシートが周囲の燃焼室面から突出することにより形成される請求項1〜3のいずれか一つに記載のシリンダヘッド。
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2004071212A JP4207812B2 (ja) | 2004-03-12 | 2004-03-12 | シリンダヘッド |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2004071212A JP4207812B2 (ja) | 2004-03-12 | 2004-03-12 | シリンダヘッド |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2005256773A JP2005256773A (ja) | 2005-09-22 |
JP4207812B2 true JP4207812B2 (ja) | 2009-01-14 |
Family
ID=35082735
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2004071212A Expired - Fee Related JP4207812B2 (ja) | 2004-03-12 | 2004-03-12 | シリンダヘッド |
Country Status (1)
Country | Link |
---|---|
JP (1) | JP4207812B2 (ja) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR20160008739A (ko) * | 2014-07-15 | 2016-01-25 | 현대중공업 주식회사 | 흡기 유동 패턴의 설정이 용이한 밸브 시트, 그것을 구비하는 실린더 헤드 및 시험용 실린더 헤드 장치 |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP4556771B2 (ja) * | 2005-05-27 | 2010-10-06 | 三菱自動車工業株式会社 | エンジンの燃焼室構造 |
-
2004
- 2004-03-12 JP JP2004071212A patent/JP4207812B2/ja not_active Expired - Fee Related
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR20160008739A (ko) * | 2014-07-15 | 2016-01-25 | 현대중공업 주식회사 | 흡기 유동 패턴의 설정이 용이한 밸브 시트, 그것을 구비하는 실린더 헤드 및 시험용 실린더 헤드 장치 |
KR101916982B1 (ko) | 2014-07-15 | 2018-11-08 | 현대중공업 주식회사 | 흡기 유동 패턴의 설정이 용이한 밸브 시트, 그것을 구비하는 실린더 헤드 및 시험용 실린더 헤드 장치 |
Also Published As
Publication number | Publication date |
---|---|
JP2005256773A (ja) | 2005-09-22 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
JP6072284B2 (ja) | 副室式ガスエンジン | |
WO2015177898A1 (ja) | ディーゼルエンジンの燃焼室構造 | |
US10352231B2 (en) | Internal combustion engine | |
JPWO2014030319A1 (ja) | エンジンの燃焼室構造 | |
JP2008151078A (ja) | エンジンの吸気装置 | |
US8191528B2 (en) | Internal combustion engine | |
JP2019190286A (ja) | 内燃機関のシリンダヘッド | |
JPWO2014188736A1 (ja) | 直噴式ディーゼルエンジン | |
JP4207812B2 (ja) | シリンダヘッド | |
JP2017025929A (ja) | ディーゼルエンジンの燃焼室構造 | |
JP2021011843A (ja) | 内燃機関のピストンおよび内燃機関 | |
US6701883B2 (en) | Cylinder head for use on a spark-ignition internal combustion engine and such spark-ignition internal combustion engine | |
US6928978B2 (en) | In-cylinder direct-injection engine and cylinder head | |
JP2016169668A (ja) | 内燃機関 | |
JP6841245B2 (ja) | 内燃機関 | |
JP2006152825A (ja) | 内燃機関の燃焼室 | |
JP4506442B2 (ja) | 内燃機関 | |
JP4088565B2 (ja) | 筒内噴射式内燃機関および筒内噴射式内燃機関の混合気形成方法 | |
JP2022186334A (ja) | シリンダヘッド | |
US10711685B2 (en) | Internal combustion engine | |
JP2005113694A (ja) | 内燃機関 | |
JP7310175B2 (ja) | エンジン | |
JP2003214169A (ja) | エンジンの吸気装置 | |
JP6060126B2 (ja) | 内燃機関 | |
JP2009270542A (ja) | エンジン及びエンジン用点火プラグ |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
A131 | Notification of reasons for refusal |
Free format text: JAPANESE INTERMEDIATE CODE: A131 Effective date: 20071211 |
|
A521 | Written amendment |
Free format text: JAPANESE INTERMEDIATE CODE: A523 Effective date: 20080207 |
|
A131 | Notification of reasons for refusal |
Free format text: JAPANESE INTERMEDIATE CODE: A131 Effective date: 20080610 |
|
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: 20080930 |
|
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: 20081013 |
|
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: 20111031 Year of fee payment: 3 |
|
FPAY | Renewal fee payment (event date is renewal date of database) |
Free format text: PAYMENT UNTIL: 20121031 Year of fee payment: 4 |
|
FPAY | Renewal fee payment (event date is renewal date of database) |
Free format text: PAYMENT UNTIL: 20121031 Year of fee payment: 4 |
|
FPAY | Renewal fee payment (event date is renewal date of database) |
Free format text: PAYMENT UNTIL: 20131031 Year of fee payment: 5 |
|
LAPS | Cancellation because of no payment of annual fees |