JPS604737U - Engine oil rise prevention device - Google Patents
Engine oil rise prevention deviceInfo
- Publication number
- JPS604737U JPS604737U JP9701883U JP9701883U JPS604737U JP S604737 U JPS604737 U JP S604737U JP 9701883 U JP9701883 U JP 9701883U JP 9701883 U JP9701883 U JP 9701883U JP S604737 U JPS604737 U JP S604737U
- Authority
- JP
- Japan
- Prior art keywords
- pressure
- culling
- prevention device
- engine oil
- rise prevention
- 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
- Pistons, Piston Rings, And Cylinders (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図は本考案の第１の実施例を示すピストンの正面図
、第２図は同中央縦断面図、第３図は本考案の第２の実
施例を示すピストンの中央縦断面′ 図、第４図は第
３図の要部拡大図、第５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・・・・・・連° 通学段、１８．２０
・・・・・・連通路。
第５図
高１Fig. 1 is a front view of a piston showing a first embodiment of the present invention, Fig. 2 is a central vertical cross-sectional view of the same, and Fig. 3 is a central longitudinal cross-sectional view of a piston showing a second embodiment of the present invention. , FIG. 4 is an enlarged view of the main part of FIG. 3, and FIG. 5 is 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
Pressure culling groove, 8...Second pressure culling groove, 9.
... Oil ring groove, 11 ... Second land part, 15 ... Space, 16 ... Crank chamber, 17 ... Continuation Commuter grade, 18.20
・・・・・・Communication path. Figure 5 High School 1
Claims (1)
、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圧カリ
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手段を設けたことを
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 within a cylinder, when the piston is at the bottom dead center, the land portion between the first pressure culling groove and the second pressure culling groove of the piston, the first pressure culling, the second pressure culling, and the cylinder. A device for preventing oil from rising in an engine, characterized in that a communication means is provided for communicating a space defined by an inner wall with a crank chamber.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP9701883U JPS604737U (en) | 1983-06-23 | 1983-06-23 | Engine oil rise prevention device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP9701883U JPS604737U (en) | 1983-06-23 | 1983-06-23 | Engine oil rise prevention device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS604737U true JPS604737U (en) | 1985-01-14 |
Family
ID=30230955
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP9701883U Pending JPS604737U (en) | 1983-06-23 | 1983-06-23 | Engine oil rise prevention device |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS604737U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR100559537B1 (en) * | 1999-12-31 | 2006-03-10 | 현대자동차주식회사 | Piston structure |
-
1983
- 1983-06-23 JP JP9701883U patent/JPS604737U/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR100559537B1 (en) * | 1999-12-31 | 2006-03-10 | 현대자동차주식회사 | Piston structure |
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