JPS61152747U - - Google Patents
Info
- Publication number
- JPS61152747U JPS61152747U JP3595685U JP3595685U JPS61152747U JP S61152747 U JPS61152747 U JP S61152747U JP 3595685 U JP3595685 U JP 3595685U JP 3595685 U JP3595685 U JP 3595685U JP S61152747 U JPS61152747 U JP S61152747U
- Authority
- JP
- Japan
- Prior art keywords
- piston
- combustion engine
- internal combustion
- engine according
- oil reservoir
- 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
- 238000002485 combustion reaction Methods 0.000 claims description 13
- 230000002093 peripheral effect Effects 0.000 claims 1
Landscapes
- Pistons, Piston Rings, And Cylinders (AREA)
Description
第１図は本考案の第１実施例に係る内燃機関の
ピストンの側面図、第２図は第１のピストンの突
起パツド部における拡大部分縦断面図、第３図は
本考案の第２実施例に係る内燃機関のピストンの
側面図、第４図は本考案の第３実施例に係る内燃
機関のピストンの側面図、第５図は本考案の第４
実施例に係る内燃機関のピストンの側面図、第６
図は第５図のピストンの突起パツド部における拡
大部分縦断面図、第７図は本考案の第５実施例に
係る内燃機関のピストンの側面図である。
１……ピストン、２……ピストンカート部、３
，４……突起パツド部、７……突起パツド部上面
、８……突起パツド部側面、９……突起パツド部
下面、１０，１０ａ，１０ｂ……オイル溜め用の
溝、１１……オイル溜め用の下面、１２……ピス
トンカート部の下端、１３……ピストンカート部
のサイドカツト部、１４……ピストンスの内部空
間、１５……オイル逃がし用の通路、２３……オ
イルリング溝、Ｃ……ピストン軸。
FIG. 1 is a side view of a piston of an internal combustion engine according to a first embodiment of the present invention, FIG. 2 is an enlarged vertical sectional view of a protruding pad portion of the first piston, and FIG. 3 is a second embodiment of the present invention. FIG. 4 is a side view of a piston of an internal combustion engine according to a third embodiment of the present invention, and FIG. 5 is a side view of a piston of an internal combustion engine according to a third embodiment of the present invention.
Side view of the piston of the internal combustion engine according to the embodiment, No. 6
This figure is an enlarged longitudinal sectional view of a protruding pad portion of the piston shown in FIG. 5, and FIG. 7 is a side view of a piston for an internal combustion engine according to a fifth embodiment of the present invention. 1...Piston, 2...Piston cart part, 3
, 4... Projection pad part, 7... Projection pad part top surface, 8... Projection pad part side surface, 9... Projection pad bottom surface, 10, 10a, 10b... Oil reservoir groove, 11... Oil reservoir 12...Lower end of the piston cart part, 13...Side cut part of the piston cart part, 14...Inner space of the piston, 15...Oil release passage, 23...Oil ring groove, C... piston shaft.
Claims (1)
シヨン低減のための突起パツト部を形成した内燃
機関のピストンにおいて、前記突起パツド部の上
面をテーパ面に形成するとともに、下面をピスト
ン軸に対し垂直な面に形成し、さらに該突起パツ
ド部下面の下部にオイル溜め用の溝を設けたこと
を特徴とする内燃機関のピストン。 (2) 前記オイル溜め用の溝は、該上面が前記突
起パツド部下面と整合した垂直な面として形成さ
れ、該下面がテーパ面として形成されていること
を特徴とする実用新案登録請求の範囲第１項記載
の内燃機関のピストン。 (3) 前記オイル溜め用の溝は、前記ピストンカ
ート部外周面の一部に形成したサイドカツト部に
連通していることを特徴とする実用新案登録請求
の範囲第１項記載の内燃機関のピストン。 (4) 前記オイル溜め用の溝は、前記ピストンス
カート部の下端まで延びていることを特徴とする
実用新案登録請求の範囲第１項記載の内燃機関の
ピストン。 (5) 前記オイル溜め用の溝は、該周方向の幅が
前記突起パツド部の周方向の幅以内に設定されて
いることを特徴とする実用新案登録請求の範囲第
１項記載の内燃機関のピストン。 (6) 前記オイル溜め用の溝は、ピストン内部空
間に連通したオイル逃し用の通路を有することを
特徴とする実用新案登録請求の範囲第１項記載の
内燃機関のピストン。 (7) 前記突起パツド部は、上下に間隔をおいて
形成されており、互いにピストン軸線方向に関し
てオーバーラツプして形成されていることを特徴
とする実用新案登録請求の範囲第１項記載の内燃
機関のピストン。[Claims for Utility Model Registration] (1) A piston for an internal combustion engine in which a plurality of protruding pads for reducing friction are formed on the outer circumferential surface of a piston cart portion, wherein the upper surface of the protruding pads is formed into a tapered surface; A piston for an internal combustion engine, characterized in that a lower surface is formed perpendicular to a piston axis, and a groove for an oil reservoir is provided at the lower part of the lower surface of the protruding pad. (2) The utility model registration claim characterized in that the upper surface of the oil reservoir groove is formed as a vertical surface aligned with the lower surface of the protruding pad, and the lower surface is formed as a tapered surface. A piston for an internal combustion engine according to item 1. (3) The piston for an internal combustion engine according to claim 1, wherein the oil reservoir groove communicates with a side cut portion formed in a part of the outer peripheral surface of the piston cart portion. . (4) The piston for an internal combustion engine according to claim 1, wherein the oil reservoir groove extends to the lower end of the piston skirt. (5) The internal combustion engine according to claim 1, wherein the circumferential width of the oil reservoir groove is set within the circumferential width of the protruding pad portion. piston. (6) The piston for an internal combustion engine according to claim 1, wherein the oil reservoir groove has an oil relief passage communicating with the piston internal space. (7) The internal combustion engine according to claim 1, wherein the protruding pad portions are vertically spaced apart and overlap each other in the piston axial direction. piston.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP3595685U JPS61152747U (en) | 1985-03-13 | 1985-03-13 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP3595685U JPS61152747U (en) | 1985-03-13 | 1985-03-13 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS61152747U true JPS61152747U (en) | 1986-09-20 |
Family
ID=30540710
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP3595685U Pending JPS61152747U (en) | 1985-03-13 | 1985-03-13 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS61152747U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2017214879A (en) * | 2016-06-01 | 2017-12-07 | 株式会社クボタ | Piston for engine |
-
1985
- 1985-03-13 JP JP3595685U patent/JPS61152747U/ja active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2017214879A (en) * | 2016-06-01 | 2017-12-07 | 株式会社クボタ | Piston for engine |
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