JPS604742U - Engine oil rise prevention device - Google Patents
Engine oil rise prevention deviceInfo
- Publication number
- JPS604742U JPS604742U JP9701683U JP9701683U JPS604742U JP S604742 U JPS604742 U JP S604742U JP 9701683 U JP9701683 U JP 9701683U JP 9701683 U JP9701683 U JP 9701683U JP S604742 U JPS604742 U JP S604742U
- Authority
- JP
- Japan
- Prior art keywords
- pressure
- prevention device
- engine oil
- culling
- 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.)
- Granted
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図は本考案の一実施例を示すピストンの正面図、第
2図は第2圧カリングの合口部分の構造の一例を示す要
部正面図、第3図は第2図の平面図、第4図は第2圧カ
リングの合口部分の構造の変形例を示す要部正面図、第
5図は第4図の平面図、第6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、4
a、 5a・・・・・・合口、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、12・・・・・・
第3のランド部、15・・・・・・空間、17a、17
b・・・・・・貫通孔、18・・・・・・連通溝、19
・・・・・・空間。Fig. 1 is a front view of a piston showing an embodiment of the present invention, Fig. 2 is a front view of main parts showing an example of the structure of the abutment part of the second pressure culling, Fig. 3 is a plan view of Fig. 2, Fig. 4 is a front view of the main part showing a modification of the structure of the abutment part of the second pressure culling, Fig. 5 is a plan view of Fig. 4, and Fig. 6 shows the combustion chamber pressure and the second land part with respect to the crank angle. It is a curve diagram showing the pressure fluctuation of the space. 1...Cylinder, 1a...Inner wall, 2
""" Piston, 3... Combustion chamber, 4...
・First pressure culling, 5...Second pressure culling, 4
a, 5a...Abutment, 6...Oil ring, 7...First pressure culling groove, 8...
...Second pressure culling groove, 9...Oil ring groove, 11...Second land portion, 12...
Third land portion, 15...Space, 17a, 17
b...Through hole, 18...Communication groove, 19
······space.
Claims (1)
、ピストンの第1圧カリングおよび第2圧カリングの合
口形状を、該合口の隙間面積が一定となる段付合口とす
るとともに、上記第2圧力リンクの隙間面積を第1圧カ
リングの隙間面積より大きく設定し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 in a cylinder, the abutment shape of the first pressure culling and the second pressure culling of the piston is a stepped abutment where the gap area of the abutment is constant, and the gap between the second pressure link is A device for preventing oil from rising in an engine, characterized in that an area is set larger than a gap area of a first pressure culling.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP9701683U JPS604742U (en) | 1983-06-23 | 1983-06-23 | Engine oil rise prevention device |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP9701683U JPS604742U (en) | 1983-06-23 | 1983-06-23 | Engine oil rise prevention device |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS604742U true JPS604742U (en) | 1985-01-14 |
JPH0320522Y2 JPH0320522Y2 (en) | 1991-05-02 |
Family
ID=30230951
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP9701683U Granted JPS604742U (en) | 1983-06-23 | 1983-06-23 | Engine oil rise prevention device |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS604742U (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS62108029A (en) * | 1985-11-07 | 1987-05-19 | Toyo Seikan Kaisha Ltd | Method and apparatus for injection-blow molding of plastic container |
Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS50107861U (en) * | 1974-02-12 | 1975-09-04 |
-
1983
- 1983-06-23 JP JP9701683U patent/JPS604742U/en active Granted
Patent Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS50107861U (en) * | 1974-02-12 | 1975-09-04 |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS62108029A (en) * | 1985-11-07 | 1987-05-19 | Toyo Seikan Kaisha Ltd | Method and apparatus for injection-blow molding of plastic container |
JPH0449450B2 (en) * | 1985-11-07 | 1992-08-11 | Toyo Seikan Kaisha Ltd |
Also Published As
Publication number | Publication date |
---|---|
JPH0320522Y2 (en) | 1991-05-02 |
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