US 12,449,123 B2
Outdoor invisible-ignition burner
Yanchun Liu, Guangdong (CN); Hong Fang, Guangdong (CN); and Xiaowen Chen, Guangdong (CN)
Assigned to Guangzhou RedSun Gas Appliances Co., Ltd, Guangzhou (CN)
Filed by Guangzhou RedSun Gas Appliances Co., Ltd, Guangdong (CN)
Filed on May 23, 2023, as Appl. No. 18/200,583.
Claims priority of application No. 202211583093.6 (CN), filed on Dec. 10, 2022.
Prior Publication US 2024/0191873 A1, Jun. 13, 2024
Int. Cl. F23D 14/58 (2006.01); F23D 14/70 (2006.01)
CPC F23D 14/58 (2013.01) [F23D 14/70 (2013.01); F23D 2203/105 (2013.01); F23D 2207/00 (2013.01); F23D 2900/14003 (2013.01)] 18 Claims
OG exemplary drawing
 
1. An outdoor invisible-ignition burner, comprising a furnace which is circumferentially enclosed, wherein a porous ceramic plate is disposed at a top of the furnace and is fixedly mounted at an opening in the top of the furnace through a decoration ring, an ignition needle connected with a high-tension ignition wire is fixed on an outer wall of the furnace, a jet tube is disposed in the furnace, an end of the jet tube stretches out of the furnace and allows a main nozzle to be inserted therein, the main nozzle is connected with a main gas tube, an auxiliary nozzle is mounted at a bottom of the furnace and stretches into the furnace, a gas outlet end of the auxiliary nozzle is located below the ignition needle, and a gas inlet end of the auxiliary nozzle is connected with a side wall of the main nozzle through an auxiliary gas tube.