JPS6338644U - - Google Patents
Info
- Publication number
- JPS6338644U JPS6338644U JP13253386U JP13253386U JPS6338644U JP S6338644 U JPS6338644 U JP S6338644U JP 13253386 U JP13253386 U JP 13253386U JP 13253386 U JP13253386 U JP 13253386U JP S6338644 U JPS6338644 U JP S6338644U
- Authority
- JP
- Japan
- Prior art keywords
- piston
- ring
- oil
- stroke engine
- engine according
- 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
- 230000006835 compression Effects 0.000 claims 3
- 238000007906 compression Methods 0.000 claims 3
- 238000005266 casting Methods 0.000 claims 1
Landscapes
- Pistons, Piston Rings, And Cylinders (AREA)
Description
第１図はこの考案の第１実施例のピストンを示
す断面図、第２図は同第２実施例のピストンを示
す断面図、第３図は第２実施例のピストンを示す
正面図、第４図は第３図の―線断面図、第５
図は従来の３リング方式ピストンの断面図、第６
図は従来の２リング方式ピストンの断面図である
。
１……ピストン本体、２……ピンボス、３……
クラウン、４，５，７，８……リング溝、５ａ，
７ａ……オイルリターン孔、６……スカート、１
４，１５，１７，１８……ピストンリング。
FIG. 1 is a sectional view showing a piston according to a first embodiment of the invention, FIG. 2 is a sectional view showing a piston according to a second embodiment of the invention, and FIG. 3 is a front view showing a piston according to a second embodiment. Figure 4 is a cross-sectional view taken along the line - in Figure 3, and Figure 5
The figure is a cross-sectional view of a conventional 3-ring piston.
The figure is a sectional view of a conventional two-ring type piston. 1... Piston body, 2... Pin boss, 3...
Crown, 4, 5, 7, 8...Ring groove, 5a,
7a...Oil return hole, 6...Skirt, 1
4, 15, 17, 18...Piston ring.
Claims (1)
該ピストン本体のピンボス上方のクラウン側に間
隔を設けて２個のピストンリングを配備すると共
に、前記ピンボス下方のスカート側に１個のピス
トンリングを配備するようにしたことを特徴とす
る４サイクルエンジン用ピストン。 (2) 前記クラウン側ピストンリングを、上方よ
り順に圧縮リング、オイルリングとし、前記スカ
ート側ピストンリングを圧縮リング又にオイルリ
ングとした実用新案登録請求の範囲第１項に記載
の４サイクルエンジン用ピストン。 (3) 前記クラウン側各ピストンリングを圧縮リ
ングとし、スカート側ピストンリングをオイルリ
ングとした実用新案登録請求の範囲第１項に記載
の４サイクルエンジン用ピストン。 (4) 前記オイルリングのオイルリターン孔を、
前記ピストン本体に鋳抜きにより開設するように
した実用新案登録請求の範囲第２項又は第３項に
記載の４サイクルエンジン用ピストン。[Claims for Utility Model Registration] (1) In a piston for a four-stroke engine,
A four-cycle engine characterized in that two piston rings are arranged at a distance from each other on the crown side above the pin boss of the piston body, and one piston ring is arranged on the skirt side below the pin boss. piston for. (2) For a four-stroke engine according to claim 1, wherein the crown side piston ring is a compression ring and an oil ring in order from above, and the skirt side piston ring is a compression ring or an oil ring. piston. (3) The piston for a four-stroke engine according to claim 1, wherein each piston ring on the crown side is a compression ring, and the piston ring on the skirt side is an oil ring. (4) Connect the oil return hole of the oil ring to
A piston for a four-stroke engine according to claim 2 or 3, wherein the piston body is formed by casting.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1986132533U JPH0734202Y2 (en) | 1986-08-28 | 1986-08-28 | Piston for 4-cycle engine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1986132533U JPH0734202Y2 (en) | 1986-08-28 | 1986-08-28 | Piston for 4-cycle engine |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS6338644U true JPS6338644U (en) | 1988-03-12 |
| JPH0734202Y2 JPH0734202Y2 (en) | 1995-08-02 |
Family
ID=31032009
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1986132533U Expired - Lifetime JPH0734202Y2 (en) | 1986-08-28 | 1986-08-28 | Piston for 4-cycle engine |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0734202Y2 (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH03105047A (en) * | 1989-09-20 | 1991-05-01 | Yamaha Motor Co Ltd | Piston for internal combustion engine |
| JP2010038048A (en) * | 2008-08-06 | 2010-02-18 | Toyota Motor Corp | Piston of internal combustion engine |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5232808U (en) * | 1975-08-29 | 1977-03-08 | ||
| JPS5416974U (en) * | 1977-07-07 | 1979-02-03 | ||
| JPS5519998A (en) * | 1978-07-27 | 1980-02-13 | Schmidt Gmbh Karl | Piston for engine |
| JPS5585543U (en) * | 1978-12-11 | 1980-06-12 |
-
1986
- 1986-08-28 JP JP1986132533U patent/JPH0734202Y2/en not_active Expired - Lifetime
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5232808U (en) * | 1975-08-29 | 1977-03-08 | ||
| JPS5416974U (en) * | 1977-07-07 | 1979-02-03 | ||
| JPS5519998A (en) * | 1978-07-27 | 1980-02-13 | Schmidt Gmbh Karl | Piston for engine |
| JPS5585543U (en) * | 1978-12-11 | 1980-06-12 |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH03105047A (en) * | 1989-09-20 | 1991-05-01 | Yamaha Motor Co Ltd | Piston for internal combustion engine |
| JP2010038048A (en) * | 2008-08-06 | 2010-02-18 | Toyota Motor Corp | Piston of internal combustion engine |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0734202Y2 (en) | 1995-08-02 |