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公开(公告)号：US11835228B2
公开(公告)日：2023-12-05
申请号：US16927610
申请日：2020-07-13
发明人： Yul E. Shaffer
CPC分类号： F23C3/002 , F23C6/047 , F23C9/006 , F23D14/24 , F23D14/60 , F23D14/70 , F22B9/00 , F23D2209/20 , F23D2900/14003 , F23D2900/14004
摘要： A cylindrical burner apparatus and method which produce low NOx emissions and low noise levels without being dependent upon a blower, or natural draft, for providing air flow or flue gas recirculation. A flow of combustion air is induced into the initial tube pass of the burner by discharging a gas fuel from a plurality of discharge ports located in the initial tube pass. At the same time, a flow of recycled flue gas is induced through a bypass duct between a subsequent tube pass of the burner and the initial tube pass by discharging one or more jets of gas fuel through the bypass duct.
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公开(公告)号：US20220136694A1
公开(公告)日：2022-05-05
申请号：US17574221
申请日：2022-01-12
发明人： Yul E. Shaffer
摘要： A cylindrical burner apparatus and method which produce low NOx emissions and low noise levels without being dependent upon a blower, or natural draft, for providing air flow or flue gas recirculation. A flow of combustion air is induced into an initial tube pass of the burner by discharging a gas fuel from a plurality of discharge ports located in the initial tube pass. At the same time, a flow of recycled flue gas is induced through a bypass duct between a subsequent tube pass of the burner and the initial tube pass by discharging one or more jets of gas fuel through the bypass duct.
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公开(公告)号：US20230288056A1
公开(公告)日：2023-09-14
申请号：US17694271
申请日：2022-03-14
发明人： Yul E. Shaffer
CPC分类号： F23C3/002 , F23C6/047 , F23C9/006 , F23D14/24 , F23D14/60 , F23D14/70 , F23D2209/20 , F23D2900/14003 , F23D2900/14004
摘要： A cylindrical burner apparatus and method which produce low noise levels and are not dependent upon a blower, or natural draft, for providing combustion air flow. A flow of combustion air is induced into a rearward end of a burner tube and a swirling flame is produced in the tube by discharging a gas fuel from a plurality of discharge ports located in the tube.
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公开(公告)号：US20220136693A1
公开(公告)日：2022-05-05
申请号：US17573966
申请日：2022-01-12
发明人： Yul E. Shaffer
摘要： A cylindrical burner apparatus and method which produce low NOx emissions and low noise levels without being dependent upon a blower, or natural draft, for providing air flow. A flow of combustion air is induced into a cylindrical burner lube by discharging a gas fuel from a plurality of discharge ports located inside the rearward end of the tube. At least some of the discharge ports are oriented to direct jets of the gas fuel toward flame stabilization structures positioned downstream of the discharge ports.
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公开(公告)号：US20220010957A1
公开(公告)日：2022-01-13
申请号：US16927610
申请日：2020-07-13
发明人： Yul E. Shaffer
摘要： A cylindrical burner apparatus and method which produce low NOx emissions and low noise levels without being dependent upon a blower, or natural draft, for providing air flow or flue gas recirculation. A flow of combustion air is induced into the initial tube pass of the burner by discharging a gas fuel from a plurality of discharge ports located in the initial tube pass. At the same time, a flow of recycled flue gas is induced through a bypass duct between a subsequent tube pass of the burner and the initial tube pass by discharging one or more jets of gas fuel through the bypass duct.
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