JPH0327852U - - Google Patents
Info
- Publication number
- JPH0327852U JPH0327852U JP8808189U JP8808189U JPH0327852U JP H0327852 U JPH0327852 U JP H0327852U JP 8808189 U JP8808189 U JP 8808189U JP 8808189 U JP8808189 U JP 8808189U JP H0327852 U JPH0327852 U JP H0327852U
- Authority
- JP
- Japan
- Prior art keywords
- piston
- pin boss
- land part
- pin
- skirt
- 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 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を示す正面図、第２
図は本考案の一実施例を示す側面図、第３図は本
考案の一実施例を示す底面図、第４図は第２図の
Ａ−Ａ矢視断面図、第５図は従来例を示す正面図
である。
１１……冠面、１２……リング溝、１２Ａ……
オイルリング溝、１３……ランド部、１４……ピ
ンボス部、１５……スカート部、１５Ａ……スカ
ート肩部、１５Ｂ……スカート下端、１７……ス
リツト。
Figure 1 is a front view showing one embodiment of the present invention;
The figure is a side view showing an embodiment of the present invention, Fig. 3 is a bottom view showing an embodiment of the present invention, Fig. 4 is a sectional view taken along the line A-A in Fig. 2, and Fig. 5 is a conventional example. FIG. 11... Crown surface, 12... Ring groove, 12A...
Oil ring groove, 13...Land part, 14...Pin boss part, 15...Skirt part, 15A...Skirt shoulder part, 15B...Skirt lower end, 17...Slit.
Claims (1)
に連続するスカート部のピンボス側をピンボスの
両端部と共に、前記ランド部よりピストン中心寄
りに後退させて、ピストンランド部の全周長に対
するスカート部の摺動面周長を所定の割合以下に
形成し、かつオイルリング溝底のピンボス部とピ
ストンピン軸線と直交する部位との間に所定長さ
のスリツトを設けたことを特徴とする内燃機関の
ピストン。 The pin boss side of the skirt part that is continuous with the piston land part where a plurality of ring grooves are formed is moved back from the land part towards the center of the piston together with both ends of the pin boss, so that the sliding of the skirt part with respect to the entire circumference of the piston land part is A piston for an internal combustion engine, characterized in that the peripheral length of a moving surface is formed to be less than a predetermined ratio, and a slit of a predetermined length is provided between a pin boss portion at the bottom of an oil ring groove and a portion perpendicular to the piston pin axis. .
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP8808189U JPH0327852U (en) | 1989-07-28 | 1989-07-28 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP8808189U JPH0327852U (en) | 1989-07-28 | 1989-07-28 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0327852U true JPH0327852U (en) | 1991-03-20 |
Family
ID=31637714
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP8808189U Pending JPH0327852U (en) | 1989-07-28 | 1989-07-28 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0327852U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2020051278A (en) * | 2018-09-25 | 2020-04-02 | スズキ株式会社 | Piston of internal combustion engine |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6350447U (en) * | 1986-09-21 | 1988-04-05 |
-
1989
- 1989-07-28 JP JP8808189U patent/JPH0327852U/ja active Pending
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6350447U (en) * | 1986-09-21 | 1988-04-05 |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2020051278A (en) * | 2018-09-25 | 2020-04-02 | スズキ株式会社 | Piston of internal combustion engine |