JPS63132857U - - Google Patents
Info
- Publication number
- JPS63132857U JPS63132857U JP2425887U JP2425887U JPS63132857U JP S63132857 U JPS63132857 U JP S63132857U JP 2425887 U JP2425887 U JP 2425887U JP 2425887 U JP2425887 U JP 2425887U JP S63132857 U JPS63132857 U JP S63132857U
- Authority
- JP
- Japan
- Prior art keywords
- fiber
- reinforced
- combustion engine
- internal combustion
- reinforced layer
- 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 6
- 239000000835 fiber Substances 0.000 claims description 6
- 229910001234 light alloy Inorganic materials 0.000 claims description 6
- 239000012783 reinforcing fiber Substances 0.000 claims description 3
- 230000002093 peripheral effect Effects 0.000 description 1
Landscapes
- Cylinder Crankcases Of Internal Combustion Engines (AREA)
Description
第１図はシリンダ孔周壁部を全面に亘つて強化
繊維で複合強化した公知に係る内燃機関の軽合金
製シリンダブロツクを示す要部縦断面図、第２図
はシリンダ孔周壁部を全面に亘つて強化繊維で複
合強化した本考案の一実施例に係る内燃機関の軽
合金製シリンダブロツクを示す要部縦断面図であ
る。
１……シリンダブロツク、２……シリンダ孔、
３……シリンダ孔周壁部、４……繊維強化層、５
……頂面、６……中央部、７……底面、Ｐ……ピ
ストン。
Fig. 1 is a vertical cross-sectional view of a main part of a known light alloy cylinder block for an internal combustion engine in which the entire circumferential wall of the cylinder hole is compositely reinforced with reinforcing fibers, and Fig. 2 is a longitudinal cross-sectional view of the main part showing the entire circumferential wall of the cylinder hole. 1 is a vertical cross-sectional view of a main part of a light alloy cylinder block for an internal combustion engine according to an embodiment of the present invention, which is compositely reinforced with reinforcing fibers. 1... Cylinder block, 2... Cylinder hole,
3... Cylinder hole peripheral wall portion, 4... Fiber reinforced layer, 5
...Top surface, 6...Central part, 7...Bottom surface, P...Piston.
Claims (1)
で複合強化した内燃機関の軽合金製シリンダブロ
ツクにおいて、 繊維強化層の全体形状が、ピストン中心線方向
での中央部の層厚が大きな樽型形状をなしており
、シリンダヘツド組付け頂面での繊維強化層層厚
をｔ１とし、前記中央部での繊維強化層層厚をｔ
２とし、クランクケースに対する突き合せ底面で
の繊維強化層層厚をｔ３とする時、ｔ１＜ｔ２，
ｔ３＜ｔ２なる関係式を満足することを特徴とす
る内燃機関の繊維強化された軽合金製シリンダブ
ロツク。 (2) 前記繊維強化層層厚ｔ１，ｔ２が、ｔ１＜
ｔ３なる関係式を満足することを特徴とする実用
新案登録請求の範囲第１項に記載された内燃機関
の繊維強化された軽合金製シリンダブロツク。 (3) 前記繊維強化層の繊維体積率Ｖｆを、シリ
ンダヘツド組付け頂面近傍でＶｆ１とし、前記中
央部近傍でＶｆ２とし、クランクケースに対する
突き合せ底面近傍でＶｆ３とする時、Ｖｆ２〈Ｖ
ｆ３〈Ｖｆ１なる関係式を満足することを特徴と
する実用新案登録請求の範囲第１項に記載された
内燃機関の繊維強化された軽合金製シリンダブロ
ツク。[Scope of Claim for Utility Model Registration] (1) In a light alloy cylinder block for an internal combustion engine in which the entire circumferential wall of the cylinder hole is compositely reinforced with reinforcing fibers, the overall shape of the fiber-reinforced layer is It has a barrel-shaped shape with a large layer thickness at the center, and the thickness of the fiber reinforced layer at the top surface where the cylinder head is assembled is t1 , and the thickness of the fiber reinforced layer at the center is t.
2 , and when the thickness of the fiber reinforced layer at the bottom surface facing the crankcase is t 3 , t 1 <t 2 ,
A fiber-reinforced light alloy cylinder block for an internal combustion engine, characterized in that it satisfies the relational expression: t 3 <t 2 . (2) The fiber-reinforced layer thicknesses t 1 and t 2 are t 1 <
A fiber-reinforced light alloy cylinder block for an internal combustion engine as set forth in claim 1 of the utility model registration, characterized in that it satisfies the relational expression t3 . (3) When the fiber volume fraction Vf of the fiber reinforced layer is Vf 1 near the top surface where the cylinder head is assembled, Vf 2 near the center, and Vf 3 near the bottom surface where it butts against the crankcase, Vf 2 〈V
A fiber-reinforced light alloy cylinder block for an internal combustion engine as set forth in claim 1, which satisfies the relational expression: f 3 <Vf 1 .
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2425887U JPS63132857U (en) | 1987-02-23 | 1987-02-23 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2425887U JPS63132857U (en) | 1987-02-23 | 1987-02-23 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS63132857U true JPS63132857U (en) | 1988-08-30 |
Family
ID=30823324
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2425887U Pending JPS63132857U (en) | 1987-02-23 | 1987-02-23 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS63132857U (en) |
-
1987
- 1987-02-23 JP JP2425887U patent/JPS63132857U/ja active Pending