JPS63168246U - - Google Patents
Info
- Publication number
- JPS63168246U JPS63168246U JP6234887U JP6234887U JPS63168246U JP S63168246 U JPS63168246 U JP S63168246U JP 6234887 U JP6234887 U JP 6234887U JP 6234887 U JP6234887 U JP 6234887U JP S63168246 U JPS63168246 U JP S63168246U
- Authority
- JP
- Japan
- Prior art keywords
- cylinder block
- skirt
- side wall
- engine
- oil pan
- 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 5
- 238000000034 method Methods 0.000 description 1
Landscapes
- Cylinder Crankcases Of Internal Combustion Engines (AREA)
Description
第１図は本考案のエンジンのシリンダブロツク
構造の一実施例を示す縦断面図、第２図はシリン
ダブロツクのスカート部の有限要素法の割付けを
示す説明図、第３図はスカート部の３種類のタイ
プを示す斜視図、第４図はスカート部の３種類の
タイプ間の固有振動数比の比較を示す説明図、第
５図は同重量比の比較を示す説明図、第６図は従
来のエンジンのシリンダブロツク構造の要部縦断
面図である。
１……直列型エンジン、２……シリンダブロツ
ク、３……スカート部、３ａ……下底、３ｂ……
スカート側壁、３ｃ……中間壁、３ｄ……フラン
ジ部、４……オイルパン、４ａ……上部フランジ
面、５……クランク室。
Fig. 1 is a longitudinal sectional view showing an embodiment of the cylinder block structure of an engine according to the present invention, Fig. 2 is an explanatory diagram showing the allocation of the skirt portion of the cylinder block using the finite element method, and Fig. 3 is a three-dimensional diagram of the skirt portion of the cylinder block. Figure 4 is an explanatory diagram showing a comparison of the natural frequency ratio between the three types of skirt parts, Figure 5 is an explanatory diagram showing a comparison of the same weight ratio, and Figure 6 is an explanatory diagram showing a comparison of the same weight ratio. 1 is a vertical sectional view of a main part of a cylinder block structure of a conventional engine. DESCRIPTION OF SYMBOLS 1... In-line engine, 2... Cylinder block, 3... Skirt portion, 3a... Lower bottom, 3b...
Skirt side wall, 3c... intermediate wall, 3d... flange portion, 4... oil pan, 4a... upper flange surface, 5... crank chamber.
Claims (1)
パンの上部フランジ面に接続されたものにおいて
、シリンダブロツク下部から略垂直のスカート側
壁に至る中間壁と、該スカート側壁の下端部から
クランク室内に突設されたフランジ部とで縦断面
が略コの字形に形成されたスカート部を有したこ
とを特徴とするエンジンのシリンダブロツク構造
。 The lower bottom of the skirt part of the cylinder block is connected to the upper flange surface of the oil pan, and the cylinder block has an intermediate wall extending from the lower part of the cylinder block to a substantially vertical skirt side wall, and a lower end of the skirt side wall that projects into the crank chamber. A cylinder block structure for an engine, characterized in that it has a skirt portion whose longitudinal section is formed into a substantially U-shape with a flange portion.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1987062348U JPH0755308Y2 (en) | 1987-04-23 | 1987-04-23 | Engine cylinder block structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1987062348U JPH0755308Y2 (en) | 1987-04-23 | 1987-04-23 | Engine cylinder block structure |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS63168246U true JPS63168246U (en) | 1988-11-01 |
| JPH0755308Y2 JPH0755308Y2 (en) | 1995-12-20 |
Family
ID=30896535
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1987062348U Expired - Lifetime JPH0755308Y2 (en) | 1987-04-23 | 1987-04-23 | Engine cylinder block structure |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0755308Y2 (en) |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS58154842U (en) * | 1982-04-09 | 1983-10-17 | 日産自動車株式会社 | engine cylinder block |
-
1987
- 1987-04-23 JP JP1987062348U patent/JPH0755308Y2/en not_active Expired - Lifetime
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS58154842U (en) * | 1982-04-09 | 1983-10-17 | 日産自動車株式会社 | engine cylinder block |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0755308Y2 (en) | 1995-12-20 |