JPH0290342U - - Google Patents
Info
- Publication number
- JPH0290342U JPH0290342U JP16825588U JP16825588U JPH0290342U JP H0290342 U JPH0290342 U JP H0290342U JP 16825588 U JP16825588 U JP 16825588U JP 16825588 U JP16825588 U JP 16825588U JP H0290342 U JPH0290342 U JP H0290342U
- Authority
- JP
- Japan
- Prior art keywords
- piston
- thrust side
- combustion engine
- internal combustion
- ring groove
- 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 4
- 238000010586 diagram Methods 0.000 description 3
- 230000005484 gravity Effects 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 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用ピ
ストンの断面図、第２図イないしハは第１図のピ
ストンの低回転時における動きを示した断面図、
第３図は第２図イにおけるピストンの動きを示す
模式図、第４図イないしハは第１図のピストンの
高回転時における動きを示した断面図、第５図は
第４図イにおけるピストンの動きを示す模式図、
第６図は第１図の変形例を示すピストンの断面図
、である。
１……ピストン、３……オイルリング溝、５…
…ピストンピン孔、６……スカート部（反スラス
ト側）、７……スカート部（スラスト側）、８…
…スリツト、９……オイルホール、１１……シリ
ンダ、Ｆ……慣性力、Ｇ……ピストン重心位置、
Ｏ……ピストンピン孔の中心、Ｐ……燃焼圧、Ｑ
……ピストンの中心線、Ｓ１……反スラスト側、
Ｓ２……スラスト側。
FIG. 1 is a sectional view of a piston for an internal combustion engine according to an embodiment of the present invention, FIGS. 2A to 2C are sectional views showing the movement of the piston of FIG. 1 at low rotation speed,
Fig. 3 is a schematic diagram showing the movement of the piston in Fig. 2A, Fig. 4A to C are cross-sectional views showing the movement of the piston in Fig. 1 at high rotation speed, and Fig. 5 is a schematic diagram showing the movement of the piston in Fig. 4A. Schematic diagram showing the movement of the piston,
FIG. 6 is a sectional view of a piston showing a modification of FIG. 1. 1... Piston, 3... Oil ring groove, 5...
...Piston pin hole, 6...Skirt part (anti-thrust side), 7...Skirt part (thrust side), 8...
...Slit, 9...Oil hole, 11...Cylinder, F...Inertia force, G...Piston center of gravity position,
O... Center of piston pin hole, P... Combustion pressure, Q
... Piston center line, S 1 ... Anti-thrust side,
S2 ... Thrust side.
Claims (1)
いて、該ピストンのピストンピン孔中心を、ピス
トンの中心線に対してスラスト側へオフセツトさ
せ、反スラスト側のスカート部の肉厚をスラスト
側のスカート部の肉厚よりも大にし、オイルリン
グ溝の前記反スラスト側にスリツトを設けたこと
を特徴とする内燃機関用ピストン。 In a piston for an internal combustion engine that reciprocates within a cylinder, the center of the piston pin hole of the piston is offset toward the thrust side with respect to the center line of the piston, and the thickness of the skirt portion on the anti-thrust side is adjusted to the thickness of the skirt portion on the thrust side. A piston for an internal combustion engine, characterized in that the piston is thicker than the oil ring groove and has a slit on the anti-thrust side of the oil ring groove.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP16825588U JPH0290342U (en) | 1988-12-28 | 1988-12-28 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP16825588U JPH0290342U (en) | 1988-12-28 | 1988-12-28 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0290342U true JPH0290342U (en) | 1990-07-18 |
Family
ID=31457274
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP16825588U Pending JPH0290342U (en) | 1988-12-28 | 1988-12-28 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0290342U (en) |
-
1988
- 1988-12-28 JP JP16825588U patent/JPH0290342U/ja active Pending