JPH01139058U - - Google Patents
Info
- Publication number
- JPH01139058U JPH01139058U JP3523788U JP3523788U JPH01139058U JP H01139058 U JPH01139058 U JP H01139058U JP 3523788 U JP3523788 U JP 3523788U JP 3523788 U JP3523788 U JP 3523788U JP H01139058 U JPH01139058 U JP H01139058U
- Authority
- JP
- Japan
- Prior art keywords
- oil ring
- ring groove
- expander
- cylinder bore
- end surface
- 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 2
- 208000025174 PANDAS Diseases 0.000 claims 1
- 208000021155 Paediatric autoimmune neuropsychiatric disorders associated with streptococcal infection Diseases 0.000 claims 1
- 240000000220 Panda oleosa Species 0.000 claims 1
- 235000016496 Panda oleosa Nutrition 0.000 claims 1
- 230000002093 peripheral effect Effects 0.000 claims 1
Landscapes
- Pistons, Piston Rings, And Cylinders (AREA)
Description
第１図は本考案の一実施例に係る内燃機関のオ
イルリングの部分縦断面図、第２図は第１図のオ
イルリングの部分斜視図、第３図は第１図の装置
の箱型部材の自由状態時の縦断面図、第４図は従
来の組合せオイルリングの概略縦断面図、である
。
１１……ピストン、１２……オイルリング溝、
１２ａ……オイルリング溝の上面、１２ｂ……オ
イルリング溝の下面、１３……シリンダボア、１
４……サイドレール、１５……エキスパンダ、１
６……箱型部材、１７……ガイド部、１８ａ，１
８ｂ……アーム部、１９ａ……アーム部１８ａの
下端面、１９ｂ……アーム部１８ｂの上端面、２
０ａ，２０ｂ……突起部。
FIG. 1 is a partial vertical cross-sectional view of an oil ring for an internal combustion engine according to an embodiment of the present invention, FIG. 2 is a partial perspective view of the oil ring of FIG. 1, and FIG. 3 is a box-like view of the device of FIG. FIG. 4 is a longitudinal cross-sectional view of the member in a free state, and FIG. 4 is a schematic vertical cross-sectional view of a conventional combination oil ring. 11... Piston, 12... Oil ring groove,
12a...Top surface of oil ring groove, 12b...Bottom surface of oil ring groove, 13...Cylinder bore, 1
4... Side rail, 15... Expander, 1
6... Box-shaped member, 17... Guide portion, 18a, 1
8b... Arm part, 19a... Lower end surface of arm part 18a, 19b... Upper end surface of arm part 18b, 2
0a, 20b... Projections.
Claims (1)
に位置し、外周面がシリンダボアに摺接される少
なくとも１枚のサイドレールと、該サイドレール
を背面側からシリンダボア方向に押圧するエキス
パンダと、該エキスパンダを保持するとともに前
記サイドレールを径方向に摺動可能に上下から挾
持し、装着状態にて自身が有するばね力により上
端面がオイルリング溝の上面に下端面がオイルリ
ング溝の下面にそれぞれ押圧される箱型部材と、
からなる内燃機関のオイルリング。 at least one side rail located in the center in the vertical direction within the oil ring groove of the piston and having an outer peripheral surface in sliding contact with the cylinder bore; an expander that presses the side rail from the back side toward the cylinder bore; and the expander. While holding the panda, the side rails are sandwiched from above and below so that they can slide in the radial direction, and when installed, the upper end surface is attached to the upper surface of the oil ring groove and the lower end surface is attached to the lower surface of the oil ring groove, respectively, due to its own spring force. a box-shaped member to be pressed;
Oil ring of internal combustion engine consisting of.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP3523788U JPH01139058U (en) | 1988-03-18 | 1988-03-18 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP3523788U JPH01139058U (en) | 1988-03-18 | 1988-03-18 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH01139058U true JPH01139058U (en) | 1989-09-22 |
Family
ID=31261889
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP3523788U Pending JPH01139058U (en) | 1988-03-18 | 1988-03-18 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH01139058U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH09273628A (en) * | 1996-04-04 | 1997-10-21 | Mitsubishi Motors Corp | Oil ring |
-
1988
- 1988-03-18 JP JP3523788U patent/JPH01139058U/ja active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH09273628A (en) * | 1996-04-04 | 1997-10-21 | Mitsubishi Motors Corp | Oil ring |
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