Title:
ピストンコンプレッサ用のピストンリングおよびピストンコンプレッサ
Document Type and Number:
Japanese Patent JP6913751
Kind Code:
B2
Abstract:
Piston ring having an endless base ring and sealing ring have a radially outwardly directed base ring face side. The sealing ring has a radially inwardly directed, circularly running sealing ring inner side with three tangential cuts separating three sealing ring segments are arranged in a circumferential direction (U). The base and sealing rings are arranged in succession in a longitudinal direction (L). A top ring is arranged to adjoin the sealing ring having a top ring has a radially outwardly directed top ring outer side and a radially inwardly directed top ring inner side. The top ring has, on the side opposite the sealing ring, a radially running return flow channel extending radially, the sealing face side protrudes in a radial direction beyond the top ring outer side and the base ring face side. The base and the top rings have a greater tensile strength than the sealing ring.
Inventors:
Faister, Norbert
Application Number:
JP2019529242A
Publication Date:
August 04, 2021
Filing Date:
November 21, 2017
Export Citation:
Assignee:
Burghard compression arge
International Classes:
F16J9/16; F04B39/00
Domestic Patent References:
| JP2002501594A | ||||
| JP2000352464A | ||||
| JP89582C2 |
Foreign References:
| US20120211942 |
Attorney, Agent or Firm:
Mamoru Kuwagaki