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US 6,604,938 B1Granted
Device for gas burners
AssigneeHoneywell Inc.
InventorsPiet Blaauwwiekel, Albert Hietkamp
Life of this patent
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Abstract
The invention relates to a device for gas burners, comprising at least two air nozzles 10, 11 for combustion air. The air nozzles 10, 11 are arranged in parallel. According to the invention, a flow restrictor 15 is assigned to one or more of the air nozzles 10, 11, respectively. Each of these flow restrictor 15 is capable of selectively shutting off the flow of air through the respective air nozzle 10, 11. This increases the range of modulation of the device according to the invention.
Claims8
A device for gas burners, comprising:
- at least two air nozzles for combustion air;
- at least one gas nozzle assigned to the air nozzles;
- and
- at least one flow restrictor assigned to at least one of the air nozzles, wherein each flow restrictor is capable of selectively shutting off the flow of air through the respective air nozzle.
1 more element
Dependencies are inferred from the claim text.