JPH0345450U - - Google Patents
Info
- Publication number
- JPH0345450U JPH0345450U JP10691089U JP10691089U JPH0345450U JP H0345450 U JPH0345450 U JP H0345450U JP 10691089 U JP10691089 U JP 10691089U JP 10691089 U JP10691089 U JP 10691089U JP H0345450 U JPH0345450 U JP H0345450U
- Authority
- JP
- Japan
- Prior art keywords
- hole
- oil
- pin
- cavity
- head
- 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
- 238000002485 combustion reaction Methods 0.000 claims 2
- 230000002093 peripheral effect Effects 0.000 claims 1
Landscapes
- Pistons, Piston Rings, And Cylinders (AREA)
Description
第１〜第６図は本考案の一実施例を示し、第１
図は正面図、第２図は第１図−線断面図、第
３図は第２図−線断面図、第４図は第３図
−線断面図、第５図は第４図−線断面図、
第６図は第４図−線断面図、第７図は本考案
の他の実施例を示す断面図で、第６図に対応する
。
２……ヘツド、３……スカート、３ａ……スカ
ート端縁、４……空洞部、７……オイルリング溝
、８……ピンボス、９……ピン孔、１０……肉抜
き凹部、１１１〜１１４……第１〜第４オイル孔
、１２……連通孔、Ｙ−Ｙ……ピストン中心線。
1 to 6 show an embodiment of the present invention.
The figure is a front view, Figure 2 is a cross-sectional view along the line of Figure 1, Figure 3 is a cross-sectional view along the line of Figure 2, Figure 4 is a cross-sectional view along the line of Figure 3, and Figure 5 is a cross-sectional view along the line of Figure 4. cross section,
6 is a sectional view taken along the line of FIG. 4, and FIG. 7 is a sectional view showing another embodiment of the present invention, corresponding to FIG. 2... Head, 3... Skirt, 3a... Skirt edge, 4... Cavity, 7... Oil ring groove, 8... Pin boss, 9... Pin hole, 10... Lightening recess, 11 1 ~11 4 ...First to fourth oil holes, 12...Communication hole, Y-Y...Piston center line.
Claims (1)
ト３によつて画成される空洞部４に臨む肉抜き凹
部１０を、ピン孔９を有するピンボス８の前記ヘ
ツド２に近い部位に設け、前記ヘツド２外周面に
オイルリング溝７を備えた内燃機関用ピストンに
おいて、ピストン中心線Ｙ−Ｙと平行に延びて前
記ピン孔９および肉抜き凹部１０間を連通する第
１オイル孔１１１と、該第１オイル孔１１１と同
軸上に在つて前記ピン孔９および空洞部４のスカ
ート端縁３ａ側間を連通する第２オイル孔１１２
と、該第２オイル孔１１２のピン孔９周方向両側
に在つて前記ピン孔９および空洞部４のスカート
端縁３ａ側間を連通する第３および第４オイル孔
１１３，１１４とを前記ピンボス８に設け、前記
第１オイル孔１１１および前記オイルリング溝７
間に連通孔１２を備えたことを特徴とする内燃機
関用ピストン。 A hollowed-out recess 10 facing the cavity 4 defined by the head 2 and the skirt 3 connected to the head 2 is provided in a portion of the pin boss 8 having the pin hole 9 near the head 2. 2. In a piston for an internal combustion engine having an oil ring groove 7 on the outer peripheral surface, a first oil hole 111 extending parallel to the piston center line Y-Y and communicating between the pin hole 9 and the lightening recess 10 ; A second oil hole 11 2 is located coaxially with the first oil hole 11 1 and communicates between the pin hole 9 and the skirt edge 3a side of the cavity 4 .
and third and fourth oil holes 11 3 and 11 4 which are located on both sides in the circumferential direction of the pin hole 9 of the second oil hole 11 2 and communicate between the pin hole 9 and the skirt edge 3 a side of the cavity 4 . is provided in the pin boss 8, and the first oil hole 111 and the oil ring groove 7
A piston for an internal combustion engine, characterized in that a communication hole 12 is provided between the pistons.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1989106910U JP2525687Y2 (en) | 1989-09-12 | 1989-09-12 | Piston for internal combustion engine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1989106910U JP2525687Y2 (en) | 1989-09-12 | 1989-09-12 | Piston for internal combustion engine |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH0345450U true JPH0345450U (en) | 1991-04-26 |
| JP2525687Y2 JP2525687Y2 (en) | 1997-02-12 |
Family
ID=31655630
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1989106910U Expired - Fee Related JP2525687Y2 (en) | 1989-09-12 | 1989-09-12 | Piston for internal combustion engine |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP2525687Y2 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104929800A (en) * | 2014-03-21 | 2015-09-23 | 北京理工大学 | Piston oil returning device and method |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS59126404U (en) * | 1983-02-15 | 1984-08-25 | 川崎重工業株式会社 | piston |
| JPS61200955U (en) * | 1985-06-07 | 1986-12-16 |
-
1989
- 1989-09-12 JP JP1989106910U patent/JP2525687Y2/en not_active Expired - Fee Related
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS59126404U (en) * | 1983-02-15 | 1984-08-25 | 川崎重工業株式会社 | piston |
| JPS61200955U (en) * | 1985-06-07 | 1986-12-16 |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104929800A (en) * | 2014-03-21 | 2015-09-23 | 北京理工大学 | Piston oil returning device and method |
| CN104929800B (en) * | 2014-03-21 | 2018-07-10 | 北京理工大学 | A kind of piston oil return apparatus and method |
Also Published As
| Publication number | Publication date |
|---|---|
| JP2525687Y2 (en) | 1997-02-12 |
Similar Documents
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| LAPS | Cancellation because of no payment of annual fees |