JPH03112554U - - Google Patents
Info
- Publication number
- JPH03112554U JPH03112554U JP2180890U JP2180890U JPH03112554U JP H03112554 U JPH03112554 U JP H03112554U JP 2180890 U JP2180890 U JP 2180890U JP 2180890 U JP2180890 U JP 2180890U JP H03112554 U JPH03112554 U JP H03112554U
- Authority
- JP
- Japan
- Prior art keywords
- ring
- piston
- oil
- land
- rings
- 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
- 230000000149 penetrating effect Effects 0.000 claims 1
Landscapes
- Pistons, Piston Rings, And Cylinders (AREA)
Description
第１図はピストンの要部拡大断面図、第２図は
トツプリングのガスタイト合口の要部拡大斜視図
である。
１……ピストン、２……トツプリング、３……
セカンドリング、４……サードリング、５……オ
イルリング、８，９……ランド部、８ａ，９ａ…
…油戻し孔。
FIG. 1 is an enlarged sectional view of the main part of the piston, and FIG. 2 is an enlarged perspective view of the main part of the gas-tight abutment of the top ring. 1... Piston, 2... Top spring, 3...
Second ring, 4...Third ring, 5...Oil ring, 8, 9...Land portion, 8a, 9a...
...Oil return hole.
Claims (1)
およびオイルリングを装着した４本リングを有す
るデイーゼルエンジンのピストンにおいて、トツ
プリングの合口をガスタイト形状とし、セカンド
リングとサードリングとの間のランド部およびサ
ードリングとオイルリングとの間のランド部の少
なくとも一方のランド部の全周にピストン内面に
貫通する油戻し孔を設けたピストンとピストンリ
ングとの組合せ。 In a diesel engine piston that has four rings equipped with a top ring, a second ring, a third ring, and an oil ring, the abutment of the top ring is made into a gas-tight shape, and the land between the second and third rings and the third ring and oil A combination of a piston and a piston ring, in which an oil return hole penetrating the inner surface of the piston is provided around the entire circumference of at least one land between the piston and the ring.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2180890U JPH03112554U (en) | 1990-03-06 | 1990-03-06 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2180890U JPH03112554U (en) | 1990-03-06 | 1990-03-06 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH03112554U true JPH03112554U (en) | 1991-11-18 |
Family
ID=31524840
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2180890U Pending JPH03112554U (en) | 1990-03-06 | 1990-03-06 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH03112554U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2011017336A (en) * | 2009-07-09 | 2011-01-27 | Waertsilae Schweiz Ag | Piston for cylinder of large engine, and lubricating device and method with the same |
| KR101351063B1 (en) * | 2012-04-03 | 2014-01-14 | 기인서 | dust separator for pump and pump gate of one body type having dust separator |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS56162245A (en) * | 1980-04-28 | 1981-12-14 | Sealed Power Corp | Piston ring |
-
1990
- 1990-03-06 JP JP2180890U patent/JPH03112554U/ja active Pending
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS56162245A (en) * | 1980-04-28 | 1981-12-14 | Sealed Power Corp | Piston ring |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2011017336A (en) * | 2009-07-09 | 2011-01-27 | Waertsilae Schweiz Ag | Piston for cylinder of large engine, and lubricating device and method with the same |
| KR101351063B1 (en) * | 2012-04-03 | 2014-01-14 | 기인서 | dust separator for pump and pump gate of one body type having dust separator |