Dual recycling/transfer furnace flow management valve for low melting temperature metals
US7543605B1 · kind B1 · utility
Inventor
Key dates
| Filing date | Jun 3, 2008 |
| Grant date | Jun 9, 2009 |
| Priority date | — |
| Expiry date | Jun 3, 2028 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T137/86871
- WIPO fieldMaterials, metallurgy
- WIPO sectorChemistry
Abstract
A furnace flow control valve for use within a bath of molten metal. The flow control valve includes a vertically-disposed elongated tubular stator, which is configured to receive flow from a molten metal pump. The valve has a rotor which is sealing rotatable within the stator between: a full re-circulation position, where flow from the pump passes un-hindered through the valve; a full transfer position, where flow from the pump is redirected into the vertically disposed stator and out of the valve; and a partial re-circulation/partial transfer position where flow from the pump both passes through the valve and is transferred up and out of valve through the stator.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.