Damping mechanism for valves
US11118698B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Jul 23, 2018 |
| Grant date | Sep 14, 2021 |
| Priority date | — |
| Expiry date | Jun 11, 2039 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T137/785
- WIPO fieldMechanical elements
- WIPO sectorMechanical engineering
Abstract
A valve has a housing having an inlet and an outlet. A valve element is biased towards a closed position in which the valve element restricts fluid flow from the inlet to the outlet. The valve element is axially movable by fluid pressure at the inlet towards an open position in which the inlet is in fluid flow communication with the outlet. The valve further has a damping chamber having a metering orifice in fluid communication with the inlet. The damping chamber has an axially facing surface defined by the valve element and having a variable volume varying from a minimum volume when the valve element is in its closed position to a maximum volume when the valve element is in its open position.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.