Check valve
US10234050B2 · kind B2 · utility
0Cited by
3References
4Claims
0Family size
Assignees
Inventors
Key dates
| Filing date | Dec 5, 2017 |
| Grant date | Mar 19, 2019 |
| Priority date | — |
| Expiry date | Dec 5, 2037 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T137/7933
- WIPO fieldMechanical elements
- WIPO sectorMechanical engineering
Abstract
A check valve is provided which comprises a casing having a fluid passage, a valve seat member disposed in the fluid passage, and a valve element housing with a valve element disposed therein. The valve seat member has a valve seat surface on an end surface facing downstream. The valve element housing is a discrete member separate from the valve seat member and detachably secured to a downstream end portion of the same. The valve element is displaceable between a closed position and an open position.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.