High-pressure seal for a liquid jet cutting system
US12064893B2 · kind B2 · utility
Assignee
Inventor
Key dates
| Filing date | Mar 23, 2021 |
| Grant date | Aug 20, 2024 |
| Priority date | — |
| Expiry date | Jan 27, 2042 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF16J15/56
- WIPO fieldMechanical elements
- WIPO sectorMechanical engineering
Abstract
A seal assembly can include an annular seal having a first end portion and a second end portion. The second end portion can include a first annular face, a first tapered portion, and a radially-inner surface configured to seal an outer surface of a plunger. The seal assembly can include a backup ring having a first end portion having with a second annular face and a second tapered portion, and a second end portion. The seal assembly can include an annular hoop ring positioned between the annular seal and the annular backup ring, the annular hoop ring having a first tapered surface configured to engage the annular seal, and a second tapered surface configured to engage the annular backup ring. An angle between the second tapered surface and the longitudinal axis of the annular hoop ring can be between 50 degrees and 80 degrees.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.