Flexible seals for process control valves
US8286938B2 · kind B2 · utility
7Cited by
33References
25Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Apr 27, 2007 |
| Grant date | Oct 16, 2012 |
| Priority date | — |
| Expiry date | Apr 9, 2030 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF16K1/2266
- WIPO fieldMechanical elements
- WIPO sectorMechanical engineering
Abstract
Flexible seals for process control valves are disclosed. An example disclosed seal includes a seal for use with a butterfly valve. The example seal includes a substantially flexible ring-shaped carrier configured to be fixed within the butterfly valve and to surround a flow control aperture therein. Additionally, the seal includes a ring-shaped cartridge coupled to an inner diameter of the ring-shaped carrier. The cartridge includes a first portion and a second portion coupled to the first portion to define a circumferential opening to hold a seal ring.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.