Piston ring for a piston compressor
US12209670B2 · kind B2 · utility
Assignee
Inventor
Key dates
| Filing date | Dec 3, 2021 |
| Grant date | Jan 28, 2025 |
| Priority date | — |
| Expiry date | Dec 3, 2041 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF04B53/143
- WIPO fieldMechanical elements
- WIPO sectorMechanical engineering
Abstract
Piston ring having a first annular body and a second annular body, which annular bodies, are arranged adjacent to and concentric with one another in the axial direction (A), the first annular body having a radially outwardly directed outer side, an upper and a lower flank and a radially inwardly directed inner side, the second annular body being designed as a segmented sealing ring having a plurality of sealing ring segments, which sealing ring segments each have a radially outwardly directed sealing surface, an up-per and a lower sealing ring segment flank and a radially inwardly directed inner side, the sealing ring segments each being guided on the first annular body by means of at least one guide means, which guide means substantially prevent twisting of the sealing ring segments against the first annular body in the circumferential direction (U) and permit displacement of the sealing ring segments transversely to the axial direction (A).
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.