JPH0484860U

JPH0484860U -

Info

Publication number: JPH0484860U
Application number: JP12634190U
Authority: JP
Priority date: 1990-11-30
Filing date: 1990-11-30
Publication date: 1992-07-23

Description

[Brief explanation of the drawing]

第１図は一実施例のピストンリングを装着した
ピストンの部分側面図、第２図は、第１図のピス
トンリングの構造を説明する斜視図、第３図は第
２図の側面図、第４図は第２図〜第３図のリング
一枚の押圧力分布図、第５図は第１図の実施例の
ピストンリングの合成押圧力分布図、第６図〜第
７図は第１図の実施例のガス吹き抜け状態の説明
図、第８図は従来例によるガス吹き抜け状態の説
明図、第９図は従来のピストンリングの面圧分布
図である。１……ピストンリング、２……合い口、３……
リング端部、４……部分、６……リング中央部、
１０……トツプリング、１２……セコンドリング
、１４……オイルリング、１６，１８……リング
、２０……本考案ピストンリング、２４……リン
グ溝。 Fig. 1 is a partial side view of a piston equipped with a piston ring according to an embodiment, Fig. 2 is a perspective view illustrating the structure of the piston ring of Fig. 1, and Fig. 3 is a side view of Fig. 2; Fig. 4 is a pressure distribution diagram of one ring in Figs. FIG. 8 is an explanatory diagram of a gas blow-through state in the embodiment shown in the figure, FIG. 8 is an explanatory diagram of a gas blow-through state according to a conventional example, and FIG. 9 is a surface pressure distribution diagram of a conventional piston ring. 1... Piston ring, 2... Joint, 3...
Ring end, 4... portion, 6... ring center,
10...Top ring, 12...Second ring, 14...Oil ring, 16, 18...Ring, 20...Piston ring of the present invention, 24...Ring groove.

Claims

[Scope of utility model registration request]

A piston ring in which two rings are formed, with the abutment part being the thinnest and gradually becoming thicker toward the opposite side, and are stacked with the abutment parts facing opposite each other, and are installed in a single ring groove.