Claims
- 1. A heating apparatus comprising,
- a housing having an atmospheric air inlet,
- a baffle in the housing separating the housing into first and second chambers, said first chamber forming a primary air inlet chamber, and said second chamber forming a combustion chamber,
- a main burner and a pilot burner extending through the baffle,
- said main burner and said pilot burner each including a metering device for mixing air and fuel, said metering devices positioned in the air inlet chamber,
- said main burner and said pilot burner each including a burner tip positioned in the combustion chamber,
- a variable air controller for controlling secondary air for optimizing the air fuel ratio, said controller including,
- a valve positioned in a wall of the combustion chamber and adapted to supply ambient air to the combustion chamber, and
- fuel pressure responsive means connected to said valve and a fuel supply line for said main burner for controlling the amount of secondary ambient air in response to the fuel pressure.
- 2. The apparatus of claim 1 wherein the metering devices include venturis.
- 3. The apparatus of claim 1 wherein the valve controls the amount of secondary air linearly relative to the supply of fuel to the main burner.
- 4. The apparatus of claim 1 wherein said barrier includes means forming an adjustable air opening.
- 5. The apparatus of claim 1 wherein the valve is positioned in said baffle.
CROSS-REFERENCE TO RELATED APPLICATIONS
This application is a continuation in part of application Ser. No. 06/347,393, filed Feb. 9, 1982, now abandoned, entitled Burner With Variable Air Controller.
US Referenced Citations (1)
Number |
Name |
Date |
Kind |
4396371 |
Lorenz et al. |
Aug 1983 |
|
Continuation in Parts (1)
|
Number |
Date |
Country |
Parent |
347393 |
Feb 1982 |
|