Dry-running piston rod packing and method for operating a dry-running piston rod packing
US10359116B2 · kind B2 · utility
3Cited by
4References
14Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Nov 30, 2016 |
| Grant date | Jul 23, 2019 |
| Priority date | — |
| Expiry date | Nov 30, 2036 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF16J15/56
- WIPO fieldMechanical elements
- WIPO sectorMechanical engineering
Abstract
The dry-running piston rod packing for sealing a piston rod supported in such a way that the piston rod can be moved in a longitudinal direction (L) having at least one chamber ring, a sealing chamber, and a sealing ring arranged in the sealing chamber, wherein the piston rod packing has a high-pressure side and a low-pressure side, wherein a lift-off device is designed and arranged in such a way that the lift-off device can lift and lower the sealing ring in the longitudinal direction (L).
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.