JPS6269046U - - Google Patents
Info
- Publication number
- JPS6269046U JPS6269046U JP16105385U JP16105385U JPS6269046U JP S6269046 U JPS6269046 U JP S6269046U JP 16105385 U JP16105385 U JP 16105385U JP 16105385 U JP16105385 U JP 16105385U JP S6269046 U JPS6269046 U JP S6269046U
- Authority
- JP
- Japan
- Prior art keywords
- cylinder portion
- head
- notch
- processing
- intake
- 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.)
- Granted
Links
- 238000003754 machining Methods 0.000 description 1
Landscapes
- Cylinder Crankcases Of Internal Combustion Engines (AREA)
Description
第１図は本考案の第１の実施例におけるエンジ
ン本体を備えたエンジンの断面図、第２図はエン
ジン本体の底面図、第３図はシリンダ部底部の切
欠きの形状を示す要部底面図、第４図は本考案の
第２の実施例を示すエンジンの断面図、第５図は
本考案の第３の実施例を示すエンジンの断面図で
ある。
１……エンジン本体、２……ピストン、２ｂ…
…オイルリング、３……シリンダ部、３ａ……シ
リンダボア、３ｃ……切欠き、４……ヘツド部、
５，５′……ブロツク体、７，７′……クランク
ケース部、７ａ……スカート部、１０……吸気ポ
ート、１１……排気ポート、１２……吸気バルブ
、１３……排気バルブ、１９，２５，２６……締
結ボルト、Ａ，Ｂ……加工用工具。
Fig. 1 is a sectional view of an engine equipped with an engine main body according to a first embodiment of the present invention, Fig. 2 is a bottom view of the engine main body, and Fig. 3 is a bottom view of essential parts showing the shape of the notch at the bottom of the cylinder part. 4 are sectional views of an engine showing a second embodiment of the present invention, and FIG. 5 is a sectional view of an engine showing a third embodiment of the present invention. 1...Engine body, 2...Piston, 2b...
...Oil ring, 3...Cylinder part, 3a...Cylinder bore, 3c...Notch, 4...Head part,
5, 5'...Block body, 7, 7'...Crank case part, 7a...Skirt part, 10...Intake port, 11...Exhaust port, 12...Intake valve, 13...Exhaust valve, 19 , 25, 26... Fastening bolt, A, B... Machining tool.
Claims (1)
、該シリンダ部の上死点側端部を閉塞するヘツド
部と一体成形され、上記シリンダ部には、ピスト
ン下死点時におけるピストンのオイルリングより
下方に位置するように、ヘツド部の吸気および排
気ポートの開口部分を加工する加工具との干渉を
避ける切欠きが形成されたことを特徴とするエン
ジンの本体構造。 A cylinder portion into which the piston is slidably inserted is integrally molded with a head portion that closes the top dead center side end of the cylinder portion. An engine body structure characterized in that a notch is formed at a lower position to avoid interference with a processing tool for processing the openings of the intake and exhaust ports of the head.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1985161053U JPH0424130Y2 (en) | 1985-10-21 | 1985-10-21 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1985161053U JPH0424130Y2 (en) | 1985-10-21 | 1985-10-21 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS6269046U true JPS6269046U (en) | 1987-04-30 |
| JPH0424130Y2 JPH0424130Y2 (en) | 1992-06-05 |
Family
ID=31087011
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1985161053U Expired JPH0424130Y2 (en) | 1985-10-21 | 1985-10-21 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0424130Y2 (en) |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS4954714A (en) * | 1972-05-03 | 1974-05-28 | ||
| JPS5644436A (en) * | 1979-09-10 | 1981-04-23 | Cummins Engine Co Inc | Internal combustion engine having oneepiece upper cylinder section and head |
-
1985
- 1985-10-21 JP JP1985161053U patent/JPH0424130Y2/ja not_active Expired
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS4954714A (en) * | 1972-05-03 | 1974-05-28 | ||
| JPS5644436A (en) * | 1979-09-10 | 1981-04-23 | Cummins Engine Co Inc | Internal combustion engine having oneepiece upper cylinder section and head |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0424130Y2 (en) | 1992-06-05 |