JPS6149021U - - Google Patents
Info
- Publication number
- JPS6149021U JPS6149021U JP13455184U JP13455184U JPS6149021U JP S6149021 U JPS6149021 U JP S6149021U JP 13455184 U JP13455184 U JP 13455184U JP 13455184 U JP13455184 U JP 13455184U JP S6149021 U JPS6149021 U JP S6149021U
- Authority
- JP
- Japan
- Prior art keywords
- combustion chamber
- volume adjustment
- integrated
- engine
- head
- 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.)
- Pending
Links
- 238000002485 combustion reaction Methods 0.000 claims description 13
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
Description
第１図は本考案の第１実施例に係る内燃機関の
燃焼室容積調整構造の燃焼室廻りの縦断面図、第
２図はヘツド／ブロツク一体型エンジンの縦断面
図、第３図は第１図の装置の平面図、第４図は第
３図の−線に沿う拡大部分縦断面図、第５図
は本考案の第２実施例に係る内燃機関の燃焼室容
積調整構造の燃焼室廻りの部分縦断面図、第６図
はエンジン回転数と充填効率の関係図、である。
１……一体型ブロツク、２……ピストン、８…
…燃焼室、９……吸気ポート、１１……吸気バル
ブシート、１４……燃焼室容積調整用凹部、１５
……コンプレツシヨンリング、１７……吸気バル
ブの全開位置、１８……吸気流。
FIG. 1 is a longitudinal cross-sectional view of the combustion chamber area of a combustion chamber volume adjustment structure for an internal combustion engine according to the first embodiment of the present invention, FIG. 2 is a longitudinal cross-sectional view of a head/block integrated engine, and FIG. 1 is a plan view of the device, FIG. 4 is an enlarged partial vertical cross-sectional view taken along the - line in FIG. 3, and FIG. 5 is a combustion chamber of a combustion chamber volume adjustment structure for an internal combustion engine according to a second embodiment of the present invention. FIG. 6, which is a partial vertical cross-sectional view of the surroundings, is a diagram showing the relationship between engine speed and charging efficiency. 1...Integrated block, 2...Piston, 8...
... Combustion chamber, 9 ... Intake port, 11 ... Intake valve seat, 14 ... Combustion chamber volume adjustment recess, 15
... Compression ring, 17 ... Fully open position of intake valve, 18 ... Intake flow.
Claims (1)
構成したヘツド／ブロツク一体型エンジンにおい
て、燃焼室を形成する壁面のうち吸気バルブシー
トの近傍に、深さを変えることにより燃焼室容積
を調整することが可能な燃焼室容積調整用凹部を
形成したことを特徴とする内燃機関の燃焼室容積
調整構造。 In a head/block integrated engine in which the cylinder head and cylinder block are integrated, it is possible to adjust the volume of the combustion chamber by changing the depth of the wall surface that forms the combustion chamber near the intake valve seat. A combustion chamber volume adjustment structure for an internal combustion engine, characterized in that a combustion chamber volume adjustment recess is formed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP13455184U JPS6149021U (en) | 1984-09-06 | 1984-09-06 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP13455184U JPS6149021U (en) | 1984-09-06 | 1984-09-06 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS6149021U true JPS6149021U (en) | 1986-04-02 |
Family
ID=30693060
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP13455184U Pending JPS6149021U (en) | 1984-09-06 | 1984-09-06 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6149021U (en) |
-
1984
- 1984-09-06 JP JP13455184U patent/JPS6149021U/ja active Pending
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