JPH0199918U - - Google Patents
Info
- Publication number
- JPH0199918U JPH0199918U JP19519187U JP19519187U JPH0199918U JP H0199918 U JPH0199918 U JP H0199918U JP 19519187 U JP19519187 U JP 19519187U JP 19519187 U JP19519187 U JP 19519187U JP H0199918 U JPH0199918 U JP H0199918U
- Authority
- JP
- Japan
- Prior art keywords
- groove
- cylinder
- group
- wall surface
- coolant
- 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
- 238000001816 cooling Methods 0.000 claims 4
- 239000002826 coolant Substances 0.000 claims 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims 1
- 230000000052 comparative effect Effects 0.000 description 1
Landscapes
- Cylinder Crankcases Of Internal Combustion Engines (AREA)
Description
第１図はシリンダブロツクのボア部にシリンダ
ライナを嵌挿したものの断面の一部を示し、第２
図は本実施例と比較例におけるテスト結果を示す
グラフである。
１はシリンダブロツク、２はボア部、３はシリ
ンダライナ、４は外壁面、５は上部溝群、６ａ，
６ｂは下部溝群、７はＯリング、８は内壁面。
Figure 1 shows a part of the cross section of a cylinder liner fitted into the bore of the cylinder block, and
The figure is a graph showing test results in this example and a comparative example. 1 is a cylinder block, 2 is a bore portion, 3 is a cylinder liner, 4 is an outer wall surface, 5 is an upper groove group, 6a,
6b is a lower groove group, 7 is an O-ring, and 8 is an inner wall surface.
Claims (1)
ナを嵌挿し、このシリンダライナの外壁面とボア
部の内壁面のいずれか一方又は双方に冷却液通路
溝を設け、この冷却液通路溝に冷却液を流して冷
却を行うシリンダにおいて、トツプデツドセンタ
付近の上部溝群を水冷却溝とし、その下方の下部
溝群を油冷却溝としたことを特徴とするシリンダ
の冷却構造。 (2) 前記下部溝群を更に２群以上に分け、群毎
に溝の断面積を異ならしめたことを特徴とする実
用新案登録請求の範囲第１項記載のシリンダの冷
却構造。[Claims for Utility Model Registration] (1) A cylinder liner is fitted into the bore of the cylinder block, and a coolant passage groove is provided on either or both of the outer wall surface of the cylinder liner and the inner wall surface of the bore section. A cylinder that is cooled by flowing a coolant through a coolant passage groove, characterized in that an upper groove group near the top depth center is a water cooling groove, and a lower groove group below it is an oil cooling groove. Cooling structure. (2) The cooling structure for a cylinder according to claim 1, wherein the lower groove group is further divided into two or more groups, and the cross-sectional area of the grooves is made different for each group.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP19519187U JPH0199918U (en) | 1987-12-23 | 1987-12-23 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP19519187U JPH0199918U (en) | 1987-12-23 | 1987-12-23 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0199918U true JPH0199918U (en) | 1989-07-05 |
Family
ID=31485881
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP19519187U Pending JPH0199918U (en) | 1987-12-23 | 1987-12-23 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0199918U (en) |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6140411A (en) * | 1984-08-02 | 1986-02-26 | Mitsubishi Heavy Ind Ltd | Cooling and lubricating device of internal-combustion engine |
-
1987
- 1987-12-23 JP JP19519187U patent/JPH0199918U/ja active Pending
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6140411A (en) * | 1984-08-02 | 1986-02-26 | Mitsubishi Heavy Ind Ltd | Cooling and lubricating device of internal-combustion engine |