JPS646344U - - Google Patents
Info
- Publication number
- JPS646344U JPS646344U JP10137987U JP10137987U JPS646344U JP S646344 U JPS646344 U JP S646344U JP 10137987 U JP10137987 U JP 10137987U JP 10137987 U JP10137987 U JP 10137987U JP S646344 U JPS646344 U JP S646344U
- Authority
- JP
- Japan
- Prior art keywords
- cylinder block
- cylinder
- wall thickness
- thrust
- liner
- 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
- 238000010586 diagram Methods 0.000 description 1
Landscapes
- Cylinder Crankcases Of Internal Combustion Engines (AREA)
Description
第１図〜第４図は本考案の実施例を例示し、第
１図はシリンダブロツクの横断面図、第２図は第
１図における―線断面図、第３図は第１図に
おける―線断面図、第４図はシリンダライナ
の底面図である。第５図ａ〜ｄは従来のシリンダ
ブロツク構造におけるシリンダの真円度を示す説
明図である。
１…シリンダブロツク、１ａ…アツパデツキ部
、１ｂ…ロアデツキ部、２…シリンダライナ、２
ａ…ライナ上部、２ｂ…ライナ下部。
1 to 4 illustrate an embodiment of the present invention, in which FIG. 1 is a cross-sectional view of a cylinder block, FIG. 2 is a cross-sectional view taken along lines in FIG. 1, and FIG. The line sectional view and FIG. 4 are bottom views of the cylinder liner. FIGS. 5a to 5d are explanatory diagrams showing the roundness of cylinders in conventional cylinder block structures. 1... Cylinder block, 1a... Top deck part, 1b... Lower deck part, 2... Cylinder liner, 2
a... Upper liner, 2b... Lower liner.
Claims (1)
も熱膨張率が小さく、かつヤング率が大きいシリ
ンダライナを鋳込んでなるエンジンのシリンダブ
ロツク構造において、上記シリンダライナは、シ
リンダブロツクのアツパデツキ部に配されるライ
ナ上部ではシリンダ列方向の肉厚とスラスト―反
スラスト方向の肉厚とが略等しく形成されている
とともに、シリンダブロツクのロアデツキ部に配
されるライナ下部ではスラスト―反スラスト方向
の肉厚がシリンダ列方向の肉厚よりも薄く形成さ
れていることを特徴とするエンジンのシリンダブ
ロツク構造。 In an engine cylinder block structure in which a cylinder liner having a smaller coefficient of thermal expansion and a larger Young's modulus than that of the cylinder block is cast into the cylinder block, the cylinder liner is arranged in the upper part of the liner disposed on the upper deck part of the cylinder block. In this case, the wall thickness in the cylinder row direction and the wall thickness in the thrust-anti-thrust direction are approximately equal, and the wall thickness in the thrust-anti-thrust direction is the same in the cylinder row direction at the lower part of the liner disposed on the lower deck of the cylinder block. The engine cylinder block structure is characterized by its wall thickness being thinner than that of the engine cylinder block.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP10137987U JPH0543255Y2 (en) | 1987-07-01 | 1987-07-01 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP10137987U JPH0543255Y2 (en) | 1987-07-01 | 1987-07-01 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS646344U true JPS646344U (en) | 1989-01-13 |
| JPH0543255Y2 JPH0543255Y2 (en) | 1993-10-29 |
Family
ID=31330315
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP10137987U Expired - Lifetime JPH0543255Y2 (en) | 1987-07-01 | 1987-07-01 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0543255Y2 (en) |
-
1987
- 1987-07-01 JP JP10137987U patent/JPH0543255Y2/ja not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0543255Y2 (en) | 1993-10-29 |
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