JP2005256773A - シリンダヘッド - Google Patents
シリンダヘッド Download PDFInfo
- Publication number
- JP2005256773A JP2005256773A JP2004071212A JP2004071212A JP2005256773A JP 2005256773 A JP2005256773 A JP 2005256773A JP 2004071212 A JP2004071212 A JP 2004071212A JP 2004071212 A JP2004071212 A JP 2004071212A JP 2005256773 A JP2005256773 A JP 2005256773A
- Authority
- JP
- Japan
- Prior art keywords
- intake
- cylinder head
- combustion chamber
- exhaust
- protrusion
- 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
- Combustion Methods Of Internal-Combustion Engines (AREA)
- Cylinder Crankcases Of Internal Combustion Engines (AREA)
Abstract
【解決手段】シリンダヘッドの吸気ポート11開口部近傍に、燃焼室13側に凸な突出部を設ける。
【選択図】 図1
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 (7)
- 内燃機関のシリンダヘッドであって、
吸気ポート開口部近傍に、燃焼室側に凸な突出部を設けたことを特徴とするシリンダヘッド。 - 前記突出部は、吸気ポート開口部の周囲の全部または一部に設けられている請求項1に記載のシリンダヘッド。
- 前記突出部の燃焼室側の端面の外周端部付近に、さらに小突起部を設けた請求項2に記載のシリンダヘッド。
- 前記小突起部は、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設けられた請求項3に記載のシリンダヘッド。
- 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4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1〜6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 true JP2005256773A (ja) | 2005-09-22 |
JP4207812B2 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 (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2006329131A (ja) * | 2005-05-27 | 2006-12-07 | Mitsubishi Motors Corp | エンジンの燃焼室構造 |
US12078129B2 (en) | 2022-12-15 | 2024-09-03 | Caterpillar Inc. | Gaseous fuel engine having non-axisymmetric fuel admission valve and method |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
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 |
-
2004
- 2004-03-12 JP JP2004071212A patent/JP4207812B2/ja not_active Expired - Fee Related
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2006329131A (ja) * | 2005-05-27 | 2006-12-07 | Mitsubishi Motors Corp | エンジンの燃焼室構造 |
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 |
US12078129B2 (en) | 2022-12-15 | 2024-09-03 | Caterpillar Inc. | Gaseous fuel engine having non-axisymmetric fuel admission valve and method |
Also Published As
Publication number | Publication date |
---|---|
JP4207812B2 (ja) | 2009-01-14 |
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