Title:
内燃機関用のピストンリング
Document Type and Number:
Japanese Patent JP6695663
Kind Code:
B2
Abstract:
Provided is a piston ring for an internal combustion engine that enables size reduction of a chamfered edge without leading to the chipping, and sufficient size reduction of a flow passage of a blow-by gas in a piston ring gap, thus effectively restraining the blow-by gas from passing through the piston ring gap. A piston ring 1 with a piston ring gap 2 used for an internal combustion engine includes a chamfered edge 3 continuous to at least one of piston ring end faces at the piston ring gap 2 and an outer peripheral surface 1a of the piston ring 1. The chamfered edge 3 has a curved shape.
Inventors:
Kazuyoshi Natabe
Naoya Honjo
Naoya Honjo
Application Number:
JP2015137671A
Publication Date:
May 20, 2020
Filing Date:
July 09, 2015
Export Citation:
Assignee:
Riken Co., Ltd.
International Classes:
F16J9/20; F02F5/00
Domestic Patent References:
| JP58067946A | ||||
| JP1156356U | ||||
| JP2006017287A | ||||
| JP2058165U | ||||
| JP8075007A | ||||
| JP9089111A |
Attorney, Agent or Firm:
Kenji Sugimura
Yasuyuki Komatsu
Yasuyuki Komatsu