Butterfly valve plate sealing assemblies
US8528880B2 · kind B2 · utility
3Cited by
12References
14Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jul 28, 2010 |
| Grant date | Sep 10, 2013 |
| Priority date | — |
| Expiry date | Sep 15, 2031 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF16K1/2261
- WIPO fieldMechanical elements
- WIPO sectorMechanical engineering
Abstract
A sealing assembly for use in a valve plate assembly includes a sealing ring and a retention spacer. The sealing ring has a radial ring section and an axial ring section, the axial ring section extends axially from the radial section and includes an outer diameter surface and a contact face, the contact face includes a contact surface and an annular slot, and the contact surface is located radially outward relative to the annular slot. The retention spacer is configured to be positioned adjacent the sealing ring.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.