Electric heater assembly
US5850072A · kind A · utility
9Cited by
21References
27Claims
0Family size
Inventor
Key dates
| Filing date | Jun 26, 1997 |
| Grant date | Dec 15, 1998 |
| Priority date | — |
| Expiry date | Jun 26, 2017 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T428/12493
- WIPO fieldThermal processes and apparatus
- WIPO sectorMechanical engineering
Abstract
An improved electric heater assembly suitable for heating molten metal, the electric heater assembly having a tube comprised of a closed end suitable for immersing in the molten metal. The tube is fabricated from a composite material comprised of a metal having a coefficient of thermal expansion of less than 10.times.10.sup.-6 in/in/.degree. F. and having an outside surface to be exposed to the molten metal coated with a refractory resistant to attack by the molten metal; and an electric heater located in the tube in heat transfer relationship therewith.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.