Kolben mit Kolbenringe

Details

Veröffentlichungs-Nr.

EP3388717

Aktenzeichen

EP18166946

Anmeldetag

12. April 2018

Veröffentlichung

16. Dezember 2020

Erteilung

16. Dezember 2020

Rechtsraum

EP

IPC

F16J9/20

Abstract

A piston includes a first pressure ring (10) fitted in a first ring groove of the piston; and a second pressure ring (12) fitted in a second ring groove of the piston, and positioned between the first pressure ring (10) and an oil ring. The second pressure ring (12) is provided with a groove (20) that extends across a surface of the second pressure ring (12) from an inner peripheral side to an outer peripheral side. The groove is configured such that at least one of a width and a depth of the groove becomes larger toward the outer peripheral side from the inner peripheral side.

Anmelder

Firma

Toyota Jidosha Kabushiki Kaisha

Land

🇯🇵 Japan

Fachgebiete