JPS62141652U - - Google Patents
Info
- Publication number
- JPS62141652U JPS62141652U JP2742886U JP2742886U JPS62141652U JP S62141652 U JPS62141652 U JP S62141652U JP 2742886 U JP2742886 U JP 2742886U JP 2742886 U JP2742886 U JP 2742886U JP S62141652 U JPS62141652 U JP S62141652U
- Authority
- JP
- Japan
- Prior art keywords
- piston
- fin
- shaped ring
- groove
- annular groove
- 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
- 238000010586 diagram Methods 0.000 description 1
Landscapes
- Pistons, Piston Rings, And Cylinders (AREA)
Description
第１図は２ピースピストンの接合部の拡大断面
図で本考案実施例の説明図である。第２図は従来
の２ピースピストンの断面説明図である。
１：ピストンヘツド、２：ピストンスカート、
３：ピストンピン、４：接合部、５：環状溝、７
：ラビリンスリング、８：間隙。
FIG. 1 is an enlarged sectional view of a joint portion of a two-piece piston, and is an explanatory diagram of an embodiment of the present invention. FIG. 2 is an explanatory cross-sectional view of a conventional two-piece piston. 1: Piston head, 2: Piston skirt,
3: Piston pin, 4: Joint, 5: Annular groove, 7
: Labyrinth ring, 8: Gap.
Claims (1)
ダーヘツド、ピストンスカートのいづれかに環状
溝を設け、該溝に向合う円筒面にフイン状のリン
グを支持させ、該溝底面とそれに対面する上記フ
イン状リングの外径面又は内径面との間に間隙を
保たせ、上記環状溝と上記フイン状リングの各面
によつてラビクンス的通路を形成せしめたことを
特徴とする２ピースピストン。 An annular groove is provided in either the cylinder head or the piston skirt of the cylindrical part of the joint of the two-piece piston, and a fin-shaped ring is supported on the cylindrical surface facing the groove, and the fin-shaped ring faces the bottom surface of the groove. A two-piece piston, characterized in that a gap is maintained between the outer diameter surface or the inner diameter surface of the piston, and a labyrinth-like passage is formed by each surface of the annular groove and the fin-shaped ring.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2742886U JPS62141652U (en) | 1986-02-28 | 1986-02-28 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2742886U JPS62141652U (en) | 1986-02-28 | 1986-02-28 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS62141652U true JPS62141652U (en) | 1987-09-07 |
Family
ID=30829447
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2742886U Pending JPS62141652U (en) | 1986-02-28 | 1986-02-28 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS62141652U (en) |
-
1986
- 1986-02-28 JP JP2742886U patent/JPS62141652U/ja active Pending