Double seat valve and sealing of a double seat valve
US8668184B2 · kind B2 · utility
Assignee
Inventor
Key dates
| Filing date | Jun 21, 2011 |
| Grant date | Mar 11, 2014 |
| Priority date | — |
| Expiry date | Feb 8, 2032 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T137/88038
- WIPO fieldMechanical elements
- WIPO sectorMechanical engineering
Abstract
A double seat valve having a seat for cooperation with two valve disks which are linearly adjustable relative to each other and together relative with respect to the seat, for a seat valve function and a sliding valve function, each of the valve disks containing a ring seal with an elastic sealing ring in a ring groove, both sealing rings being manufactured with the same shapes and dimensions, each sealing ring being positioned in the ring groove with a backup ring, and both sealing rings being arranged in rotational positions differing with respect to the respective sealing function relative to the direction of adjustment of the valve disks.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.