|국가/구분||United States(US) Patent 등록|
|미국특허분류(USC)||431/010 ; 431/115 ; 431/08 ; 431/348 ; 431/187|
|발명자 / 주소|
|출원인 / 주소|
|대리인 / 주소||
|인용정보||피인용 횟수 : 46 인용 특허 : 20|
A method and apparatus for reducing NO.sub.x emissions in a gas burner in which the burner includes a burner supply for supplying fuel gas and primary air to the furnace and projecting the fuel gas into the furnace, a secondary air supply for supplying secondary air to the burner, and a recirculating device for mixing the secondary air with the spent gases inside the furnace, which is then recirculated and combusted to reduce NO.sub.x gases. The method of the invention includes the steps of supplying fuel gas and primary air to the furnace, projecting th...
[ What is claimed is:] [1.] The low NO.sub.x gaseous fuel burner to be used in a furnace comprising:a burner supply means arranged substantially axially for supplying primary fuel and primary air to said furnace, secondary fuel supply means having a combustion end extending and directed substantially axially into said furnace, a secondary air supply means arranged to direct a supply of secondary air into said furnace adjacent said secondary fuel supply means, said combustion end of said secondary fuel supply means being directed for projecting said secon...