公开(公告)号：US11268700B2

公开(公告)日：2022-03-08

申请号：US16626611

申请日：2018-06-25

Applicant: ELECTROLUX APPLIANCES AKTIEBOLAG

Inventor： Areli Uribe

IPC: F24C3/08 ,  F23D14/06 ,  F23D14/64 ,  F23D14/84 ,  F23D23/00 ,  F23L9/00 ,  F23Q3/00

Abstract: The invention relates to a gas burner comprising: —an injection holder (2) with at least three gas injectors (2.1, 2.2, 2.3); —a burner crown assembly (3), the burner crown assembly comprising at least three flame rings (FR1, FR2, FR3) with different sizes, the burner crown assembly further comprising at least three chambers (CH1, CH2, CH3) and at least three pipes (3.1.1, 3.1.2, 3.1.3), each pipe being fluidly coupled with a single chamber; wherein each gas injector is associated with one of said pipes for providing gas into said pipe, said pipe being adapted to receive primary air in the area of the injection holder and to provide a combustion mixture of gas and primary air to one of said flame rings of the burner crown assembly. In addition, adjacent flame rings are separated from each other based on an air gap (AG1, AG2) provided between said adjacent flame rings.