Furnace efficiency tuning device
US8807990B2 · kind B2 · utility
0Cited by
5References
17Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Dec 4, 2012 |
| Grant date | Aug 19, 2014 |
| Priority date | — |
| Expiry date | Dec 4, 2032 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY02E20/32
- WIPO fieldThermal processes and apparatus
- WIPO sectorMechanical engineering
Abstract
A gaseous fuel fired furnace having a vapor condensing flue gas vent conduit, a flue gas flow restrictor disposed in the vapor condensing flue gas vent conduit having a flue gas upstream side and a flue gas downstream side, and a condensate bypass conduit extending around the flue gas flow restrictor having a condensate inlet in fluid communication with the flue gas downstream side of the flue gas flow restrictor and a condensate outlet in fluid communication with the flue gas upstream side of the flue gas flow restrictor.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.