JPS6434410U - - Google Patents
Info
- Publication number
- JPS6434410U JPS6434410U JP12918287U JP12918287U JPS6434410U JP S6434410 U JPS6434410 U JP S6434410U JP 12918287 U JP12918287 U JP 12918287U JP 12918287 U JP12918287 U JP 12918287U JP S6434410 U JPS6434410 U JP S6434410U
- Authority
- JP
- Japan
- Prior art keywords
- oil return
- return hole
- oil
- discharge port
- hole
- 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
Description
第１図は本考案の一実施例に係るエンジンのオ
イル戻し構造の断面図、第２図は第１図の―
線に沿う断面図、第３図は第１図におけるオイル
戻し穴の吐出口近傍の拡大斜視図、第４図は第１
図におけるシリンダブロツクの平面図、第５図は
従来のＶ型エンジンにおけるオイル戻し構造の断
面図、第６図は第５図の底面図、である。
１１……シリンダブロツク、１５……オイルパ
ン、１６ａ，１６ｂ，１６ｃ，１６ｄ……吐出口
の開口面積が大となるオイル戻し穴、１６ｇ……
吐出口、１８……クランクケース、１９……クラ
ンクシヤフト、２０……カウンタエイト部、２１
……切欠き部。
FIG. 1 is a sectional view of an oil return structure for an engine according to an embodiment of the present invention, and FIG.
3 is an enlarged perspective view of the vicinity of the outlet of the oil return hole in FIG. 1, and FIG. 4 is a sectional view taken along the line.
5 is a sectional view of an oil return structure in a conventional V-type engine, and FIG. 6 is a bottom view of FIG. 5. 11...Cylinder block, 15...Oil pan, 16a, 16b, 16c, 16d...Oil return hole with a large discharge port opening area, 16g...
Discharge port, 18... Crank case, 19... Crankshaft, 20... Counter eight section, 21
...notch part.
Claims (1)
されたオイルをオイルパンに戻すオイル戻し穴が
形成されたエンジンにおいて、クランクケース内
におけるクランクシヤフトのカウンタウエイト部
が上から下に回動移動する位置の近傍に、前記オ
イル戻し穴の吐出口を配置させ、オイル戻し穴の
吐出口の開口面積を該オイル戻し穴の流路断面積
より大としたことを特徴とするエンジンのオイル
戻し構造。 In engines where the cylinder block has an oil return hole that returns oil supplied to the cylinder head side to the oil pan, the oil return hole is located near the position in the crankcase where the counterweight of the crankshaft rotates from top to bottom. An oil return structure for an engine, characterized in that a discharge port of the oil return hole is arranged, and an opening area of the discharge port of the oil return hole is larger than a flow passage cross-sectional area of the oil return hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1987129182U JPH0623695Y2 (en) | 1987-08-27 | 1987-08-27 | Engine oil return structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1987129182U JPH0623695Y2 (en) | 1987-08-27 | 1987-08-27 | Engine oil return structure |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS6434410U true JPS6434410U (en) | 1989-03-02 |
| JPH0623695Y2 JPH0623695Y2 (en) | 1994-06-22 |
Family
ID=31383219
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1987129182U Expired - Lifetime JPH0623695Y2 (en) | 1987-08-27 | 1987-08-27 | Engine oil return structure |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0623695Y2 (en) |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6139417U (en) * | 1984-08-16 | 1986-03-12 | 川崎重工業株式会社 | Lubrication system in the rocker arm room |
| JPS6346613U (en) * | 1986-09-12 | 1988-03-29 |
-
1987
- 1987-08-27 JP JP1987129182U patent/JPH0623695Y2/en not_active Expired - Lifetime
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6139417U (en) * | 1984-08-16 | 1986-03-12 | 川崎重工業株式会社 | Lubrication system in the rocker arm room |
| JPS6346613U (en) * | 1986-09-12 | 1988-03-29 |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0623695Y2 (en) | 1994-06-22 |