JPH0222652U - - Google Patents
Info
- Publication number
- JPH0222652U JPH0222652U JP10137888U JP10137888U JPH0222652U JP H0222652 U JPH0222652 U JP H0222652U JP 10137888 U JP10137888 U JP 10137888U JP 10137888 U JP10137888 U JP 10137888U JP H0222652 U JPH0222652 U JP H0222652U
- Authority
- JP
- Japan
- Prior art keywords
- rib
- bottom wall
- cylinder block
- protrusion
- main bearing
- 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
- 238000009423 ventilation Methods 0.000 claims description 2
- 239000002360 explosive Substances 0.000 claims 1
- 230000002787 reinforcement Effects 0.000 claims 1
- 230000003014 reinforcing effect Effects 0.000 claims 1
- 229910001018 Cast iron Inorganic materials 0.000 description 1
Landscapes
- Lubrication Details And Ventilation Of Internal Combustion Engines (AREA)
- Cylinder Crankcases Of Internal Combustion Engines (AREA)
Description
第１図は本考案の一実施例に係るロアブロツク
の底面図、第２図は第１図のＡ―Ａ断面図である
。
１……ロアブロツク、２……鋳鉄製キヤツプ、
３……主軸受キヤツプ部、５……底壁、８……オ
イルパン、１１ａ，１１ｂ……リブ、１２ａ……
ブローバイガス換気通路、１３ａ……開口部、１
４……くぼみ部。
FIG. 1 is a bottom view of a lower block according to an embodiment of the present invention, and FIG. 2 is a sectional view taken along line AA in FIG. 1...Lower block, 2...Cast iron cap,
3... Main bearing cap portion, 5... Bottom wall, 8... Oil pan, 11a, 11b... Rib, 12a...
Blow-by gas ventilation passage, 13a...opening, 1
4... Recessed part.
Claims (1)
ブロツクとオイルパンとの間に連結されるエンジ
ンのシリンダブロツク補強装置において、各主軸
受キヤツプ部を連結する底壁をクランク軌跡に沿
つた円弧状形状とし、該底壁の外周面に、爆発荷
重が作用する方向に突出しかつクランク軸方向に
延びるリブを形成するとともに、前記底壁の外周
の外側でかつ前記リブの外側側方の位置にブロー
バイガス換気通路の開口部を設け、該開口部の近
傍に位置する部分の前記リブの突出量を他の部分
の突出量より小さくしたことを特徴とするエンジ
ンのシリンダブロツク補強装置。 In an engine cylinder block reinforcement device in which each main bearing cap is integrally provided and connected between a cylinder block and an oil pan, the bottom wall connecting each main bearing cap is formed into an arc shape along the crank locus. , a rib is formed on the outer circumferential surface of the bottom wall that protrudes in the direction in which the explosive load is applied and extends in the crankshaft direction, and blow-by gas ventilation is provided outside the outer circumference of the bottom wall and at a position outside and to the side of the rib. 1. A cylinder block reinforcing device for an engine, characterized in that a passage opening is provided, and the amount of protrusion of the rib in a portion located near the opening is smaller than the amount of protrusion in other portions.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP10137888U JPH0629487Y2 (en) | 1988-07-30 | 1988-07-30 | Engine cylinder block reinforcement device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP10137888U JPH0629487Y2 (en) | 1988-07-30 | 1988-07-30 | Engine cylinder block reinforcement device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH0222652U true JPH0222652U (en) | 1990-02-15 |
| JPH0629487Y2 JPH0629487Y2 (en) | 1994-08-10 |
Family
ID=31330314
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP10137888U Expired - Lifetime JPH0629487Y2 (en) | 1988-07-30 | 1988-07-30 | Engine cylinder block reinforcement device |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0629487Y2 (en) |
-
1988
- 1988-07-30 JP JP10137888U patent/JPH0629487Y2/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0629487Y2 (en) | 1994-08-10 |