JPH02114750U - - Google Patents
Info
- Publication number
- JPH02114750U JPH02114750U JP2278989U JP2278989U JPH02114750U JP H02114750 U JPH02114750 U JP H02114750U JP 2278989 U JP2278989 U JP 2278989U JP 2278989 U JP2278989 U JP 2278989U JP H02114750 U JPH02114750 U JP H02114750U
- Authority
- JP
- Japan
- Prior art keywords
- crankcase
- main shaft
- ladder frame
- frame structure
- engine
- 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
- 230000003014 reinforcing effect Effects 0.000 description 1
Description
第１図は本考案に係るラダーフレーム構造のク
ランクケースを適用したエンジンのシリンダブロ
ツクの一実施例を示す断面図、第２図は第１図の
クランクケースの底部の断面図、第３図は本考案
の他の実施例を示すシリンダブロツクの断面図、
第４図は従来のラダーフレーム構造のクランクケ
ースを有するシリンダブロツクの断面図、第５図
は第４図のラダーフレームの断面図である。
１…シリンダブロツク、２…シリンダ部、３…
クランクケース、４…クランクケース上部、５，
７…クランクケース下部、５ｆ，７ａ…ブリツジ
部、５ｇ，８ａ…膨出部、８…補強部材。
Fig. 1 is a sectional view showing an embodiment of an engine cylinder block to which a crankcase with a ladder frame structure according to the present invention is applied, Fig. 2 is a sectional view of the bottom of the crankcase shown in Fig. 1, and Fig. 3 is A sectional view of a cylinder block showing another embodiment of the present invention,
FIG. 4 is a sectional view of a cylinder block having a conventional crankcase having a ladder frame structure, and FIG. 5 is a sectional view of the ladder frame of FIG. 4. 1...Cylinder block, 2...Cylinder section, 3...
Crankcase, 4...Crankcase upper part, 5,
7...Crankcase lower part, 5f, 7a...Bridge part, 5g, 8a...Bulging part, 8...Reinforcing member.
Claims (1)
軸穴下側のブリツジ部の底面に、主軸の軸方向に
沿つて膨出する膨出部を設けたことを特徴とする
エンジンのクランクケース。 A crankcase for an engine, characterized in that a bulge extending along the axial direction of the main shaft is provided on the bottom of a bridge part below the main shaft hole on the bottom of the crankcase having a ladder frame structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2278989U JPH02114750U (en) | 1989-02-28 | 1989-02-28 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2278989U JPH02114750U (en) | 1989-02-28 | 1989-02-28 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH02114750U true JPH02114750U (en) | 1990-09-13 |
Family
ID=31199067
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2278989U Pending JPH02114750U (en) | 1989-02-28 | 1989-02-28 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH02114750U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2008111469A1 (en) * | 2007-03-06 | 2008-09-18 | Toyota Jidosha Kabushiki Kaisha | Bearing structure for crankshaft |
-
1989
- 1989-02-28 JP JP2278989U patent/JPH02114750U/ja active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2008111469A1 (en) * | 2007-03-06 | 2008-09-18 | Toyota Jidosha Kabushiki Kaisha | Bearing structure for crankshaft |