JPH0356852U - - Google Patents
Info
- Publication number
- JPH0356852U JPH0356852U JP11659489U JP11659489U JPH0356852U JP H0356852 U JPH0356852 U JP H0356852U JP 11659489 U JP11659489 U JP 11659489U JP 11659489 U JP11659489 U JP 11659489U JP H0356852 U JPH0356852 U JP H0356852U
- Authority
- JP
- Japan
- Prior art keywords
- oil
- piston
- connecting rod
- oil supply
- supply passage
- 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 1
- 230000001050 lubricating effect Effects 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 2
Landscapes
- Shafts, Cranks, Connecting Bars, And Related Bearings (AREA)
Description
第１図はこの考案のピストンアツセンブリの側
面図。第２図は第１図の−線に沿う断面図。
第３図は第２図の−線に沿う断面図。第４図
、第５図は夫々第１図、第２図と同様であるが、
作動時のオイルの流れを説明する図。第６図、第
７図はそれぞれ別の実施例を示す図。第８図、第
９図はピストンピンボスの長さをスラスト側と反
スラスト側とで変化させることによりオイルガイ
ド溝を設けた実施例のピストンの断面図、側面図
。第１０図は、コネクテイングロツド小端部を被
さるようなオーバハング部分を設けることでオイ
ルガイド溝を設けた実施例の断面図（第１１図の
−線に沿う断面図）。第１１図は第１０図の
−線に沿う図。
１０…コネクテイングロツド、１０ａ…コネク
テイングロツド大端部、１０ｂ…コネクテイング
ロツド小端部、１４…ピストンピン、１６…ピス
トン、１６−１…スラスト側、１６−２…反スラ
スト側、１８…スカート、２０…冠部、２２−１
，２２−２…ピストンピンボス、２６…サイドカ
ツト、３４…オイル供給通路、３６…オイルガイ
ド溝。
Figure 1 is a side view of the piston assembly of this invention. FIG. 2 is a sectional view taken along the - line in FIG. 1.
FIG. 3 is a sectional view taken along the - line in FIG. 2. Figures 4 and 5 are similar to Figures 1 and 2, respectively, but
A diagram explaining the flow of oil during operation. FIG. 6 and FIG. 7 are diagrams showing different embodiments. 8 and 9 are a sectional view and a side view of a piston of an embodiment in which an oil guide groove is provided by changing the length of the piston pin boss on the thrust side and the anti-thrust side. FIG. 10 is a sectional view (a sectional view taken along the - line in FIG. 11) of an embodiment in which an oil guide groove is provided by providing an overhang portion that covers the small end of the connecting rod. FIG. 11 is a view taken along the - line in FIG. 10. 10... Connecting rod, 10a... Connecting rod large end, 10b... Connecting rod small end, 14... Piston pin, 16... Piston, 16-1... Thrust side, 16-2... Anti-thrust side , 18...skirt, 20...crown, 22-1
, 22-2... Piston pin boss, 26... Side cut, 34... Oil supply passage, 36... Oil guide groove.
Claims (1)
に設けられたオイル噴出孔により噴出されたオイ
ルによりピストンに給油を行う装置であつて、一
方ピストンにはそのサイドカツト部をピストン内
部空間に接続するオイル供給通路を有したピスト
ンアセンブリにおいて、コネクテイングロツドの
小端部の上側面又はピストン裏面に間欠給油孔か
らのオイルをオイル供給通路に導くオイルガイド
溝またはオイルガイド壁を設けたことを特徴とす
る内燃機関用ピストン給油装置。 A device for lubricating a piston with oil ejected from an oil ejection hole provided in a connecting rod or cylinder block, and the piston has an oil supply passage connecting its side cut portion to the piston internal space. A piston assembly for an internal combustion engine, characterized in that the piston assembly is provided with an oil guide groove or an oil guide wall on the upper surface of the small end of the connecting rod or on the back surface of the piston to guide oil from the intermittent oil supply hole to the oil supply passage. Refueling device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1989116594U JP2549456Y2 (en) | 1989-10-05 | 1989-10-05 | Piston oil supply device for internal combustion engine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1989116594U JP2549456Y2 (en) | 1989-10-05 | 1989-10-05 | Piston oil supply device for internal combustion engine |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH0356852U true JPH0356852U (en) | 1991-05-31 |
| JP2549456Y2 JP2549456Y2 (en) | 1997-09-30 |
Family
ID=31664860
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1989116594U Expired - Fee Related JP2549456Y2 (en) | 1989-10-05 | 1989-10-05 | Piston oil supply device for internal combustion engine |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP2549456Y2 (en) |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS54116516A (en) * | 1978-03-01 | 1979-09-10 | Toyota Motor Corp | Internal combustion engine |
| JPS60120242U (en) * | 1984-01-24 | 1985-08-14 | 愛知機械工業株式会社 | Piston for internal combustion engine |
-
1989
- 1989-10-05 JP JP1989116594U patent/JP2549456Y2/en not_active Expired - Fee Related
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS54116516A (en) * | 1978-03-01 | 1979-09-10 | Toyota Motor Corp | Internal combustion engine |
| JPS60120242U (en) * | 1984-01-24 | 1985-08-14 | 愛知機械工業株式会社 | Piston for internal combustion engine |
Also Published As
| Publication number | Publication date |
|---|---|
| JP2549456Y2 (en) | 1997-09-30 |
Similar Documents
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| LAPS | Cancellation because of no payment of annual fees |