Sealing arrangement, particularly for sealing valve piston relative to valve housing
US4371178A · kind A · utility
11Cited by
5References
18Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Jan 21, 1981 |
| Grant date | Feb 1, 1983 |
| Priority date | — |
| Expiry date | Jan 21, 2001 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T137/8663
- WIPO fieldMechanical elements
- WIPO sectorMechanical engineering
Abstract
A sealing arrangement, particularly for sealing a valve piston relative to a valve housing, has a plurality of sealing rings arranged to be located between a valve piston and a valve housing, and axially spaced from each other, and a plurality of supporting rings located axially adjacent to each other and arranged to support and hold the sealing rings, wherein the supporting rings are connected with the sealing rings in interengaging manner so as to form together with the latter an integral unit which can be mounted and dismounted as a whole.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.