JPH01115809U - - Google Patents
Info
- Publication number
- JPH01115809U JPH01115809U JP1205288U JP1205288U JPH01115809U JP H01115809 U JPH01115809 U JP H01115809U JP 1205288 U JP1205288 U JP 1205288U JP 1205288 U JP1205288 U JP 1205288U JP H01115809 U JPH01115809 U JP H01115809U
- Authority
- JP
- Japan
- Prior art keywords
- return passage
- oil return
- oil
- bulging portion
- block structure
- 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
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 2
- 239000007921 spray Substances 0.000 claims 1
- 230000008961 swelling Effects 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シリンダブロ
ツクの底面図、第２図は第１図のＡ―Ａ断面説明
図である。
１：シリンダブロツプ、３：ロアデツキ、８：
ウオータジヤケツト、２０，２１，２２：オイル
リターン通路、２３，２４，２５，２６：取付座
面、２７：膨出部、２８：オイルジエツト、３６
，３７，３８：ブローバイ通路。
FIG. 1 is a bottom view of a cylinder block according to an embodiment of the present invention, and FIG. 2 is an explanatory cross-sectional view taken along line AA in FIG. 1: Cylinder block, 3: Lower deck, 8:
Water jacket, 20, 21, 22: Oil return passage, 23, 24, 25, 26: Mounting seat surface, 27: Swelling part, 28: Oil jet, 36
, 37, 38: blow-by passage.
Claims (1)
外方に、クランク室に開口するオイルリターン通
路を形成したエンジンのシリンダブロツク構造に
おいて、前記オイルリターン通路を、シリンダ軸
芯に対しピストン上昇行程におけるクランクピン
側の位置に配設するとともに、シリンダボア下端
位置のロアデツキに、前記オイルリターン通路の
開口部に対向する位置まで膨出する膨出部を設け
、該膨出部の下面を含むロアデツキ下面に、ピス
トン裏面にオイルを噴きつけるオイルジエツトの
取付座面を形成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。 In an engine cylinder block structure in which an oil return passage opening into the crank chamber is formed on the outside of the water jacket when viewed from the cylinder axis direction, the oil return passage is located on the crankpin side in the piston upward stroke with respect to the cylinder axis. At the same time, the lower deck at the lower end of the cylinder bore is provided with a bulging portion that bulges to a position opposite to the opening of the oil return passage, and the lower surface of the lower deck including the lower surface of the bulging portion is provided with a bulge on the back surface of the piston. An engine cylinder block structure characterized by forming a mounting seat for an oil jet that sprays oil.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1205288U JPH063126Y2 (en) | 1988-01-30 | 1988-01-30 | Engine cylinder block structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1205288U JPH063126Y2 (en) | 1988-01-30 | 1988-01-30 | Engine cylinder block structure |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH01115809U true JPH01115809U (en) | 1989-08-04 |
| JPH063126Y2 JPH063126Y2 (en) | 1994-01-26 |
Family
ID=31221148
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1205288U Expired - Lifetime JPH063126Y2 (en) | 1988-01-30 | 1988-01-30 | Engine cylinder block structure |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH063126Y2 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2017038756A1 (en) * | 2015-09-04 | 2017-03-09 | いすゞ自動車株式会社 | Piston cooling device |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP5856748B2 (en) * | 2011-03-31 | 2016-02-10 | 本田技研工業株式会社 | engine |
-
1988
- 1988-01-30 JP JP1205288U patent/JPH063126Y2/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2017038756A1 (en) * | 2015-09-04 | 2017-03-09 | いすゞ自動車株式会社 | Piston cooling device |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH063126Y2 (en) | 1994-01-26 |