Dual fuel heating system and air shutter
US8757139B2 · kind B2 · utility
22Cited by
158References
30Claims
0Family size
Inventor
Key dates
| Filing date | Jun 9, 2010 |
| Grant date | Jun 24, 2014 |
| Priority date | — |
| Expiry date | Mar 29, 2033 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T137/87917
- WIPO fieldThermal processes and apparatus
- WIPO sectorMechanical engineering
Abstract
A dual fuel heating system can be used in a gas appliance. The system can have an air shutter to regulate an amount of air that can mix with the fuel for combustion. The air shutter can be configured to have different positions depending on the type of fuel to be used.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.