JPS604735U - Engine oil rise prevention device - Google Patents
Engine oil rise prevention deviceInfo
- Publication number
- JPS604735U JPS604735U JP9701783U JP9701783U JPS604735U JP S604735 U JPS604735 U JP S604735U JP 9701783 U JP9701783 U JP 9701783U JP 9701783 U JP9701783 U JP 9701783U JP S604735 U JPS604735 U JP S604735U
- Authority
- JP
- Japan
- Prior art keywords
- pressure
- prevention device
- engine oil
- culling
- cylinder
- 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
Landscapes
- Cylinder Crankcases Of Internal Combustion Engines (AREA)
Abstract
(57)【要約】本公報は電子出願前の出願データであるた
め要約のデータは記録されません。(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.
Description
第１図は本考案の一実施例を示すエンジンの要部断面正
面図、第２図は第１図におけるシリンダ下部とピストン
上部の部分断面拡大図、第３図は本考案の変形例を示す
第２図と同様の部分断面拡大図、第４図はクランク角に
対する燃焼室圧力と第２のランド部の空間の圧力変動と
を示す曲線図である。
１・・・・・・シリンダ、１ａ・・・・・・内壁、２−
−−−−−ピストン、３・・・・・・燃焼室、４・・・
・・・第１圧カリング、５・・・・・・第２圧カリング
、６・・・・・・オイルリング、７・・・・・・第１圧
カリング溝、８・・・・・・第２圧カリング溝、９・・
・・・・オイルリング溝、１１・・・・・・第２のラン
ド部、１５・・・・・・空間、１６・・・・・・クラン
ク室、１７．１８・・・・・・連通溝。Fig. 1 is a cross-sectional front view of essential parts of an engine showing an embodiment of the present invention, Fig. 2 is an enlarged partial cross-sectional view of the lower part of the cylinder and the upper part of the piston in Fig. 1, and Fig. 3 shows a modification of the present invention. FIG. 4 is a partial enlarged cross-sectional view similar to FIG. 2, and a curve diagram showing the combustion chamber pressure and the pressure fluctuation in the space of the second land portion with respect to the crank angle. 1...Cylinder, 1a...Inner wall, 2-
----- Piston, 3... Combustion chamber, 4...
...First pressure culling, 5...Second pressure culling, 6...Oil ring, 7...First pressure culling groove, 8... Second pressure culling groove, 9...
... Oil ring groove, 11 ... Second land part, 15 ... Space, 16 ... Crank chamber, 17.18 ... Communication groove.
Claims (1)
て、シリンダの内壁に、ピストンが下死点にあるとき、
ピストンの第１圧カリング溝と第２圧カリング溝間のラ
ンド部と、第１圧力リング、第２圧カリングおよびシリ
ンダ内壁とで画成される空間をクランク室に連通ずる連
通溝を設けたことを特徴とするエンジンのオイル上り防
止装置。In an engine in which a piston reciprocates inside a cylinder, when the piston is at the bottom dead center on the inner wall of the cylinder,
A communication groove is provided that communicates a space defined by a land portion between the first pressure culling groove and the second pressure culling groove of the piston, the first pressure ring, the second pressure culling, and the inner wall of the cylinder with the crank chamber. An engine oil overflow prevention device featuring:
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP9701783U JPS604735U (en) | 1983-06-23 | 1983-06-23 | Engine oil rise prevention device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP9701783U JPS604735U (en) | 1983-06-23 | 1983-06-23 | Engine oil rise prevention device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS604735U true JPS604735U (en) | 1985-01-14 |
Family
ID=30230953
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP9701783U Pending JPS604735U (en) | 1983-06-23 | 1983-06-23 | Engine oil rise prevention device |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS604735U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20020065168A (en) * | 2001-02-06 | 2002-08-13 | 현대자동차주식회사 | A structure of cylinder for harmful reducing exhaust gas |
| JP2020148112A (en) * | 2019-03-12 | 2020-09-17 | 株式会社Ｓｕｂａｒｕ | Engine cylinder structure |
-
1983
- 1983-06-23 JP JP9701783U patent/JPS604735U/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20020065168A (en) * | 2001-02-06 | 2002-08-13 | 현대자동차주식회사 | A structure of cylinder for harmful reducing exhaust gas |
| JP2020148112A (en) * | 2019-03-12 | 2020-09-17 | 株式会社Ｓｕｂａｒｕ | Engine cylinder structure |
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