Reversible flow valve assembly
US8074678B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | May 27, 2009 |
| Grant date | Dec 13, 2011 |
| Priority date | — |
| Expiry date | Sep 3, 2030 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T137/7779
- WIPO fieldMechanical elements
- WIPO sectorMechanical engineering
Abstract
A flow valve is provided that comprises a valve chamber including first and second valve port openings in communication with first and second inlet/outlets. The valve further includes a shaft rotatably disposed in the valve chamber, and a first valve plate rotatably coupled to the shaft that is disposed in the valve chamber over the first valve port opening. The first valve plate has a first tapered slot positioned therein so as to align with the first valve port opening. The first valve plate is configured to rotate from its closed position covering the first valve port opening to an open position, where rotation of the first valve plate adjustably positions a wider or narrower portion of the first tapered slot over the first valve port opening. The valve further includes a second valve plate that is configured to rotate with the first valve plate, and to cover the second valve port opening.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.