JPH0444561U - - Google Patents
Info
- Publication number
- JPH0444561U JPH0444561U JP8588190U JP8588190U JPH0444561U JP H0444561 U JPH0444561 U JP H0444561U JP 8588190 U JP8588190 U JP 8588190U JP 8588190 U JP8588190 U JP 8588190U JP H0444561 U JPH0444561 U JP H0444561U
- Authority
- JP
- Japan
- Prior art keywords
- piston
- ring
- land
- piston ring
- mating surface
- 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
- 230000013011 mating Effects 0.000 claims 2
- 238000002485 combustion reaction Methods 0.000 description 1
Landscapes
- Pistons, Piston Rings, And Cylinders (AREA)
Description
第１図は本考案のピストン装置の実施例に係る
第１ピストンリング部分の拡大部、第２図は従来
のピストン装置の要部を示す断面図である。
１……シリンダブロツク、２……シリンダライ
ナ、３……ピストン、４……ヘツドガスケツト、
５……シリンダヘツド、６，６ａ……リング溝、
７……ピストンリング、８，８ａ……トツプラン
ド、８ｂ……セカンドランド、８ｃ……段部、８
ｄ……小径部、９……空隙部、１０……燃焼室、
１２……第１ピストンリング、１２ａ……嵌入部
、１２ｂ……摺動部、１３……第２ピストンリン
グ。
FIG. 1 is an enlarged view of a first piston ring portion according to an embodiment of the piston device of the present invention, and FIG. 2 is a sectional view showing the main parts of a conventional piston device. 1... Cylinder block, 2... Cylinder liner, 3... Piston, 4... Head gasket,
5... Cylinder head, 6, 6a... Ring groove,
7... Piston ring, 8, 8a... Top land, 8b... Second land, 8c... Stepped portion, 8
d...Small diameter part, 9...Gap part, 10...Combustion chamber,
12...first piston ring, 12a...fitting part, 12b...sliding part, 13...second piston ring.
Claims (1)
下方に環状の段部を形成して前記トツプランドよ
り大きな径のセカンドランドを形成し、前記リン
グ溝に断面がＬ形で合い面付きのピストンリング
を、摺動面を上向きに嵌合すると共に、該ピスト
ンリングの下面を前記段部上に設けた合い面を有
しないピストンリングで支持してなるピストン装
置。 An annular step is formed below the ring groove formed in the top land of the piston to form a second land having a larger diameter than the top land, and a piston ring with an L-shaped cross section and a mating surface is slid into the ring groove. A piston device in which the surfaces of the piston rings are fitted upward, and the lower surface of the piston ring is supported by a piston ring having no mating surface provided on the stepped portion.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP8588190U JPH0444561U (en) | 1990-08-16 | 1990-08-16 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP8588190U JPH0444561U (en) | 1990-08-16 | 1990-08-16 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0444561U true JPH0444561U (en) | 1992-04-15 |
Family
ID=31817269
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP8588190U Pending JPH0444561U (en) | 1990-08-16 | 1990-08-16 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0444561U (en) |
-
1990
- 1990-08-16 JP JP8588190U patent/JPH0444561U/ja active Pending