Modulated gas radiator
US5076781A · kind A · utility
Assignee
Inventor
Key dates
| Filing date | Nov 14, 1989 |
| Grant date | Dec 31, 1991 |
| Priority date | — |
| Expiry date | Nov 14, 2009 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF23N1/02
- WIPO fieldThermal processes and apparatus
- WIPO sectorMechanical engineering
Abstract
A gas-fired heater, in particular of the type having radiant bodies (6) to be heated by gas flames, in which fuel gas and combustion air are supplied under pressure to at least one burner nozzle (19, 10) in a proportion ensuring complete combustion, and further comprising an air chamber (9) in association with the or each burner (20), and the chamber having an outlet terminating in the ambient space of sufficient dimensions to offer no essential resistance to air flowing out into the ambient. A venturi (10) extends from the chamber (9) into the burner (20). A gas supply nozzle (18) is arranged coaxially in front of the throat of the venturi (19) within the chamber (9). Means (3, 7, 8) are provided for supplying air to the chamber (9) in a quantity slightly in excess of that needed for complete combustion at maximum capacity of the burner (20).
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.