JPH01131848U - - Google Patents
Info
- Publication number
- JPH01131848U JPH01131848U JP2814988U JP2814988U JPH01131848U JP H01131848 U JPH01131848 U JP H01131848U JP 2814988 U JP2814988 U JP 2814988U JP 2814988 U JP2814988 U JP 2814988U JP H01131848 U JPH01131848 U JP H01131848U
- Authority
- JP
- Japan
- Prior art keywords
- piston
- groove
- shape
- pin boss
- view
- 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
- 238000002485 combustion reaction Methods 0.000 claims description 2
- 238000010586 diagram Methods 0.000 description 4
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用ピ
ストンのスラスト方向からみた正面図、第２図は
第１図のピストンのスカート部および溝部の平面
図、第３図イ，ロは第１図のピストンの溝部の断
面図、第４図イないしホは各種溝断面形状を示す
断面図、第５図は他の実施例に係るピストンのス
ラスト方向からみた正面図、第６図はスラスト、
反スラスト方向からの角度と基準値からの半径減
少量との関係図、第７図は周波数とスラツプ音と
の関係図、第８図はエンジン回転数と摩擦損失の
増減割合との関係図、第９図はオイル消費特性図
、である。
１……ピストン、２……スカート部、３，９…
…溝、４……溝のスラスト、反スラスト方向部分
、５……ピンボス部、６……溝のピンボス方向部
分、７……溝の中間部分、８……シリンダボア。
FIG. 1 is a front view of a piston for an internal combustion engine according to an embodiment of the present invention as seen from the thrust direction, FIG. 2 is a plan view of the skirt and groove portions of the piston shown in FIG. 1, and FIGS. 1 is a sectional view of the groove portion of the piston, FIG. 4 A to E are sectional views showing various cross-sectional shapes of the groove, FIG. 5 is a front view of a piston according to another embodiment as seen from the thrust direction, and FIG. 6 is a thrust ,
A diagram showing the relationship between the angle from the anti-thrust direction and the radius reduction from the reference value, Figure 7 is a diagram showing the relationship between frequency and slap noise, Figure 8 is a diagram showing the relationship between engine speed and the rate of increase/decrease in friction loss, FIG. 9 is an oil consumption characteristic diagram. 1... Piston, 2... Skirt part, 3, 9...
...Groove, 4... Thrust and anti-thrust direction portion of the groove, 5... Pin boss portion, 6... Pin boss direction portion of the groove, 7... Middle portion of the groove, 8... Cylinder bore.
Claims (1)
る溝を形成し、該溝を、溝深さがピストンのスラ
スト、反スラスト方向部分で浅くピンボスの位置
に対応するピンボス方向部分に近づくにつれ徐々
に深くなりピンボス方向部分で最も深くなる、オ
ーバリテイをもたせた形状に形成したことを特徴
とする内燃機関用ピストン。 A groove extending in the circumferential direction is formed on the outer periphery of the skirt portion of the piston. A piston for an internal combustion engine characterized by being formed in a shape with an overlapping shape that is deepest in the direction of the pin boss.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1988028149U JP2510099Y2 (en) | 1988-03-04 | 1988-03-04 | Piston for internal combustion engine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1988028149U JP2510099Y2 (en) | 1988-03-04 | 1988-03-04 | Piston for internal combustion engine |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH01131848U true JPH01131848U (en) | 1989-09-07 |
| JP2510099Y2 JP2510099Y2 (en) | 1996-09-11 |
Family
ID=31251267
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1988028149U Expired - Lifetime JP2510099Y2 (en) | 1988-03-04 | 1988-03-04 | Piston for internal combustion engine |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP2510099Y2 (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP5720481B2 (en) | 2011-08-09 | 2015-05-20 | スズキ株式会社 | Piston for internal combustion engine |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS59188952U (en) * | 1983-05-31 | 1984-12-14 | 株式会社クボタ | Engine piston outer surface lubrication device |
| JPS6258049A (en) * | 1985-09-06 | 1987-03-13 | コルベンシユミツト・アクチエンゲゼルシヤフト | Piston made of light metal |
-
1988
- 1988-03-04 JP JP1988028149U patent/JP2510099Y2/en not_active Expired - Lifetime
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS59188952U (en) * | 1983-05-31 | 1984-12-14 | 株式会社クボタ | Engine piston outer surface lubrication device |
| JPS6258049A (en) * | 1985-09-06 | 1987-03-13 | コルベンシユミツト・アクチエンゲゼルシヤフト | Piston made of light metal |
Also Published As
| Publication number | Publication date |
|---|---|
| JP2510099Y2 (en) | 1996-09-11 |