Two-shutter valve
US8684033B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Apr 26, 2007 |
| Grant date | Apr 1, 2014 |
| Priority date | — |
| Expiry date | Dec 12, 2029 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T137/87772
- WIPO fieldMechanical elements
- WIPO sectorMechanical engineering
Abstract
A valve including a body that defines first and second ducts that open out into a third duct. The first duct is provided with a first shutter and the second duct is provided with a second shutter connected to drive means arranged to move the shutters in a normal mode of operation in which the second shutter is in the closed position and the first shutter is adjustable in position between an open position and a first closed position, a stop mode in which the second shutter is in its closed position and the first shutter is in its first closed position, and a secondary mode of operation in which the second shutter is in its open position and the first shutter is in a second closed position.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.