Domestic gas-fired boiler
US5570659A · kind A · utility
7Cited by
4References
13Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Sep 28, 1994 |
| Grant date | Nov 5, 1996 |
| Priority date | — |
| Expiry date | Sep 28, 2014 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF23N2235/16
- WIPO fieldThermal processes and apparatus
- WIPO sectorMechanical engineering
Abstract
A high-efficiency wall-mounted boiler utilizes air/fuel control via a servovalve for the gas responsive to pressure drops across air and gas orifices measured to a common downstream pressure. A ceramic burner is floatingly held against its gasket and seals the combustion chamber while the blower is of adjustable speed to allow load modulation.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.