JPH038639U - - Google Patents
Info
- Publication number
- JPH038639U JPH038639U JP6731189U JP6731189U JPH038639U JP H038639 U JPH038639 U JP H038639U JP 6731189 U JP6731189 U JP 6731189U JP 6731189 U JP6731189 U JP 6731189U JP H038639 U JPH038639 U JP H038639U
- Authority
- JP
- Japan
- Prior art keywords
- skirt portion
- piston
- axis
- line
- deformable member
- 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
- 238000010586 diagram Methods 0.000 description 2
- 238000005461 lubrication Methods 0.000 description 1
Landscapes
- Pistons, Piston Rings, And Cylinders (AREA)
Description
第1図、第5図、第8図、第13図、第17図
、第19図は、この考案のそれぞれの実施例にお
けるピストンの正面図、第2図、第6図、第9図
は、それぞれ第1図、第5図、第8図における
−線、−線、−線に沿う半断面図、第
3図、第7図、第10図、第14図、第18図、
第20図は、それぞれ第1図、第5図、第8図、
第13図、第17図、第19図における−線
、−線、−線、−線、−
線、−線に沿う要部断面図、第4図は
高温時における第1図の−に沿う要部断面図
、第15図及び第16図は第14図の要部拡大図
、第11図および第12図は熱変形部材の変形に
よるスカート部突出高さを試算するための説明図
、第21図は従来のピストンの縦断面図、第22
図はスカート部の潤滑状態を説明するストライベ
ク線図である。
1,31,41,51,61,71……ピスト
ン、11……スカート部、13,33,43,4
4,53,54,55,57,59,63,64
……熱変形部材、l−l……ピストンピン軸線。
Figures 1, 5, 8, 13, 17, and 19 are front views of pistons in respective embodiments of this invention, and Figures 2, 6, and 9 are , half-sectional views taken along lines -, -, and - in Figs. 1, 5, and 8, Fig. 3, Fig. 7, Fig. 10, Fig. 14, and Fig. 18, respectively.
Figure 20 represents Figure 1, Figure 5, Figure 8, respectively.
- line, - line, - line, - line, - in Fig. 13, Fig. 17, and Fig. 19
Figure 4 is a cross-sectional view of the main part taken along line - in Figure 1 at high temperature, Figures 15 and 16 are enlarged views of the main part in Figure 14, and Figure 11 12 is an explanatory diagram for calculating the protrusion height of the skirt portion due to deformation of the thermally deformable member, FIG. 21 is a vertical cross-sectional view of a conventional piston, and FIG.
The figure is a Stribek diagram illustrating the lubrication state of the skirt portion. 1, 31, 41, 51, 61, 71... Piston, 11... Skirt portion, 13, 33, 43, 4
4, 53, 54, 55, 57, 59, 63, 64
...Thermal deformation member, l-l...Piston pin axis.
Claims (1)
つ該軸線にほぼ直角な方向付近のスカート部に、
高温時にスカート部の表面側に突出変形する熱変
形部材を設けたことを特徴とする内燃機関のピス
トン。 In the skirt portion at a height position approximately equal to the piston pin axis and in the vicinity of a direction approximately perpendicular to the axis,
A piston for an internal combustion engine, characterized in that a thermally deformable member that protrudes and deforms on the surface side of a skirt portion at high temperatures is provided.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP6731189U JPH038639U (en) | 1989-06-12 | 1989-06-12 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP6731189U JPH038639U (en) | 1989-06-12 | 1989-06-12 |
Publications (1)
Publication Number | Publication Date |
---|---|
JPH038639U true JPH038639U (en) | 1991-01-28 |
Family
ID=31600772
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP6731189U Pending JPH038639U (en) | 1989-06-12 | 1989-06-12 |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPH038639U (en) |
-
1989
- 1989-06-12 JP JP6731189U patent/JPH038639U/ja active Pending