Dual fuel heater
US8516878B2 · kind B2 · utility
12Cited by
152References
17Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Jun 7, 2010 |
| Grant date | Aug 27, 2013 |
| Priority date | — |
| Expiry date | May 24, 2031 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF23N5/003
- WIPO fieldThermal processes and apparatus
- WIPO sectorMechanical engineering
Abstract
In certain embodiments, an apparatus includes an oxygen depletion sensor (ODS) includes a thermocouple, a first nozzle configured to direct heat from combustion of a first gas, liquid, or combination thereof to the thermocouple, a second nozzle configured to direct heat from combustion of a second gas, liquid, or combination thereof to the thermocouple, and a first igniter.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.