Coal-fired heating apparatus and method
US5216981A · kind A · utility
5Cited by
6References
26Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jan 22, 1991 |
| Grant date | Jun 8, 1993 |
| Priority date | — |
| Expiry date | Jan 22, 2011 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF23C1/00
- WIPO fieldThermal processes and apparatus
- WIPO sectorMechanical engineering
Abstract
An aerodynamically cleaned heat-exchanger is used in heating apparatus in which the radiant energy of a dirty fuel, such as coal or char, is efficiently recovered while the exposed heat-exchange components are protected from the deleterious combustion products.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.