JPS6295158U - - Google Patents
Info
- Publication number
- JPS6295158U JPS6295158U JP18599185U JP18599185U JPS6295158U JP S6295158 U JPS6295158 U JP S6295158U JP 18599185 U JP18599185 U JP 18599185U JP 18599185 U JP18599185 U JP 18599185U JP S6295158 U JPS6295158 U JP S6295158U
- Authority
- JP
- Japan
- Prior art keywords
- piston
- protrusion
- compression ring
- inner peripheral
- wall 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
- 230000006835 compression Effects 0.000 claims description 5
- 238000007906 compression Methods 0.000 claims description 5
- 238000002485 combustion reaction Methods 0.000 claims description 3
- 230000002093 peripheral effect Effects 0.000 claims 2
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ピ
ストンの部分断面図、第２図は第１図のコンプレ
ツシヨンリングの平面図、第３図は第１図の装置
のピストン上昇中の状態を示す部分断面図、第４
図は第１図の装置のピストン上死点での状態を示
す部分断面図、第５図は別の実施例に係る内燃機
関のピストンの部分断面図、である。
１……ピストン本体、２，１３……ピストンリ
ング溝、３……シリンダボア、４，１１……コン
プレツシヨンリング、５……油孔、６，１２……
突起、７，１４……段部。
Fig. 1 is a partial cross-sectional view of a piston of an internal combustion engine according to an embodiment of the present invention, Fig. 2 is a plan view of the compression ring of Fig. 1, and Fig. 3 is a piston of the device shown in Fig. 1 being raised. Partial sectional view showing the state of 4th
This figure is a partial sectional view showing the state of the piston in the apparatus shown in FIG. 1 at the top dead center, and FIG. 5 is a partial sectional view of the piston of an internal combustion engine according to another embodiment. 1... Piston body, 2, 13... Piston ring groove, 3... Cylinder bore, 4, 11... Compression ring, 5... Oil hole, 6, 12...
Protrusion, 7, 14... step part.
Claims (1)
コンプレツシヨンリングに、該コンプレツシヨン
リングの内周側からシリンダボア壁面に向かつて
貫通する油孔を設けるとともに、該油孔のコンプ
レツシヨンリング内周側開口部と間隔をもつて対
向する位置に突起を設け、ピストンリング溝の前
記突起と対応する位置の壁面を、前記突起に接近
する方向に膨出する段部を有する段付構造に構成
したことを特徴とする内燃機関のピストン。 The compression ring installed in the piston ring groove of the piston body is provided with an oil hole that penetrates from the inner peripheral side of the compression ring toward the cylinder bore wall surface, and the oil hole is provided on the inner peripheral side of the compression ring. A protrusion is provided at a position facing the opening with a distance therebetween, and a wall surface of the piston ring groove at a position corresponding to the protrusion is configured to have a stepped structure having a stepped portion that bulges in a direction approaching the protrusion. A piston for an internal combustion engine featuring:
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP18599185U JPS6295158U (en) | 1985-12-04 | 1985-12-04 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP18599185U JPS6295158U (en) | 1985-12-04 | 1985-12-04 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS6295158U true JPS6295158U (en) | 1987-06-17 |
Family
ID=31135138
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP18599185U Pending JPS6295158U (en) | 1985-12-04 | 1985-12-04 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6295158U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR100488564B1 (en) * | 2002-10-14 | 2005-05-11 | 현대자동차주식회사 | Piston ring structure |
-
1985
- 1985-12-04 JP JP18599185U patent/JPS6295158U/ja active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR100488564B1 (en) * | 2002-10-14 | 2005-05-11 | 현대자동차주식회사 | Piston ring structure |
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