Centred butterfly valve
US11480251B2 · kind B2 · utility
0Cited by
14References
11Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Apr 30, 2018 |
| Grant date | Oct 25, 2022 |
| Priority date | — |
| Expiry date | Aug 25, 2038 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF16K1/2285
- WIPO fieldMechanical elements
- WIPO sectorMechanical engineering
Abstract
Valve comprising a body (2), a centred butterfly (1), mounted with the ability to rotate inside the body (2) from an open position revealing the passage to a closed position covering said passage, and a seal (3) arranged inside a housing which is delimited by the seat and by a face, opposite the seat in the closed position, of the butterfly, the seat and the face converging towards the inside in the axial direction. The seal (3) moves freely in the housing.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.