JPH01173361U - - Google Patents
Info
- Publication number
- JPH01173361U JPH01173361U JP6716288U JP6716288U JPH01173361U JP H01173361 U JPH01173361 U JP H01173361U JP 6716288 U JP6716288 U JP 6716288U JP 6716288 U JP6716288 U JP 6716288U JP H01173361 U JPH01173361 U JP H01173361U
- Authority
- JP
- Japan
- Prior art keywords
- water jacket
- hollowed out
- oil gear
- cylinder block
- out part
- 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
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 4
- 238000005266 casting Methods 0.000 claims 2
Landscapes
- Cylinder Crankcases Of Internal Combustion Engines (AREA)
Description
第１図はこの考案の一実施例にかかるシリンダ
ブロツク構造を示す断面図である。第２図は従来
のシリンダブロツクの一部拡大断面図である。
２１…シリンダブロツク、２３…シリンダ孔、
２４…ウオータジヤケツト、２５…オイルギヤラ
リ、２６…凹部（肉抜き部）。
FIG. 1 is a sectional view showing a cylinder block structure according to an embodiment of this invention. FIG. 2 is a partially enlarged sectional view of a conventional cylinder block. 21... Cylinder block, 23... Cylinder hole,
24...Water jacket, 25...Oil gear gallery, 26...Recessed portion (recessed portion).
Claims (1)
ヤケツトとオイルギヤラリとをシリンダ孔の軸方
向に離隔して鋳抜きで形成するシリンダブロツク
において 前記ウオータジヤケツトとオイルギヤラリとの
間に径方向外方側が開口する肉抜き部を形成し、
少なくとも該肉抜き部と前記ウオータジヤケツト
との間および前記肉抜き部と前記オイルギヤラリ
との間の肉厚を略等しくしたことを特徴とするシ
リンダブロツク構造。[Scope of Claim for Utility Model Registration] In a cylinder block in which a water jacket and an oil gear are formed by casting around the radially outer side of a cylinder hole and spaced apart in the axial direction of the cylinder hole, the water jacket and the oil gear are formed by casting. A hollowed out portion is formed between the two and the radially outward side is opened,
A cylinder block structure characterized in that the wall thicknesses between at least the hollowed out part and the water jacket and between the hollowed out part and the oil gear are made substantially equal.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP6716288U JPH01173361U (en) | 1988-05-20 | 1988-05-20 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP6716288U JPH01173361U (en) | 1988-05-20 | 1988-05-20 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH01173361U true JPH01173361U (en) | 1989-12-08 |
Family
ID=31292546
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP6716288U Pending JPH01173361U (en) | 1988-05-20 | 1988-05-20 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH01173361U (en) |
-
1988
- 1988-05-20 JP JP6716288U patent/JPH01173361U/ja active Pending