Pressurized seat check valve
US10472926B2 · kind B2 · utility
0Cited by
10References
12Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jun 14, 2017 |
| Grant date | Nov 12, 2019 |
| Priority date | — |
| Expiry date | Jun 14, 2037 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF16K31/1221
- WIPO fieldMechanical elements
- WIPO sectorMechanical engineering
Abstract
A pressurized seat check valve including a flexible frustoconical seat having a back surface configured for exposure to upstream pressure, a closure member in sealable communication with the seat, the closure member being biased into contact with the seat and, in use, the seat being deflected toward the closure member by the exposure to upstream pressure.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.