Gas burner assembly

Patent metadata

Field	Value
Publication number	US-10663164-B2
Application number	US-201615540600-A
Country	US
Kind code	B2
Filing date	Feb 1, 2016
Priority date	Feb 11, 2015
Publication date	May 26, 2020
Grant date	May 26, 2020

Abstract

A gas burner assembly (10), in particular for a gas cooking hob, comprising a burner cap (12) and a burner body (14). The burner cap (12) is arranged or arrangeable upon the burner body (14). The burner cap (12) includes a plurality of flame ports (20). The flame ports (20) are formed within a horizontal portion or within a substantially horizontal portion of the burner cap (12). The burner body (14) includes a mixing chamber (22), a Venturi pipe (24), at least one air inlet (26), a gas injector (28) and a gas supply channel (36). At least the mixing chamber (22), the Venturi pipe (24), the at least one air inlet (26) and the gas supply channel (36) form a single-piece part. The flame ports (20) of the burner cap (12) are arranged above the mixing chamber (22) of the burner body (14), when the burner cap (12) is arranged upon the burner body (14).

First claim

The invention claimed is:

1. A gas burner assembly for a gas cooking hob, comprising a burner cap and a burner body, wherein
the burner cap is arranged or arrangeable upon the burner body,
the burner cap includes a plurality of flame ports,
the flame ports are formed within a horizontal portion or within a substantially horizontal portion of the burner cap,
the burner body includes a mixing chamber, a Venturi pipe, at least one air inlet, a gas supply channel and a gas injector, at least the mixing chamber, the Venturi pipe, the at least one air inlet and the gas supply channel forming a single-piece part without the use of connecting elements and/or fastening elements for fixing the mixing chamber, the venturi pipe, the at least one air inlet, and the gas supply channel; and
the flame ports of the burner cap are arranged above the mixing chamber of the burner body, when the burner cap is arranged upon the burner body.

2. The gas burner assembly according to claim 1 , wherein the burner cap is made of cast iron.

3. The gas burner assembly according to claim 2 , wherein the burner cap is made by a sintering process.

4. The gas burner assembly according to claim 1 , wherein the burner cap is formed as a circular disk.

5. The gas burner assembly according to claim 1 , wherein the burner cap includes at least one convex portion, wherein the flame ports are formed within said convex portion.

6. The gas burner assembly according to claim 1 , wherein the flame ports are formed as elongated slots extending along radial directions.

7. The gas burner assembly according to claim 1 , wherein the burner body is made of aluminum.

8. The gas burner assembly according to claim 1 , wherein the Venturi pipe extends vertically downwards from the mixing chamber.

9. The gas burner assembly according to claim 1 , wherein the gas injector is arranged below the Venturi pipe.

10. The gas burner assembly according to claim 1 , wherein the at least one air inlet is arranged between the gas injector and the Venturi pipe.

11. The gas burner assembly according to claim 1 , wherein the burner body includes a base plate, an outer circumferential wall and an inner circumferential wall, wherein the mixing chamber is arranged between the outer circumferential wall and the inner circumferential wall of the burner body.

12. The gas burner assembly according to claim 11 , wherein the outer circumferential wall and the inner circumferential wall of the burner body extend upward from the base plate of the burner body.

13. The gas burner assembly according to claim 1 , wherein the gas burner assembly comprises at least one thermocouple element.

14. The gas burner assembly according to claim 1 , wherein the gas burner assembly comprises at least one spark plug element.

15. A gas cooking hob comprising at least one gas burner assembly, characterized in that the gas cooking hob comprises at least one gas burner assembly according to claim 1 .

16. A gas burner assembly comprising:
a burner body comprising a base plate, an outer circumferential wall and an inner circumferential wall, said outer and inner circumferential walls extending upward from said base plate and defining therebetween a mixing chamber, an inner surface of said inner circumferential wall defining an upper portion of a Venturi pipe, said Venturi pipe further extending downward from said mixing chamber, said base plate, outer and inner circumferential walls and Venturi pipe all being formed together as a single piece without the use of connecting elements and/or fastening elements for fixing the base plate, the outer and inner circumferential walls, and the venturi pipe;
a gas injector arranged below the Venturi pipe and a primary air inlet arranged between said gas injector and said Venturi pipe; and
a burner cap formed as a sintered circular disk having a convex central portion, and a plurality of flame ports in said convex central portion;
said burner cap being arranged on and extending substantially horizontally over the burner body such that said convex central portion defines an upper wall of said mixing chamber and said flame ports are disposed above said mixing chamber.

17. The gas burner assembly according to claim 16 , said flame ports comprising radially extending elongated slots, said convex portion of said burner cap being inclined at an angle of 10 to 20 degrees in the location of said slots, a thermocouple element penetrating an outer portion of the burner cap in a location outside said flame ports but where the thermocouple element will be in contact with flames emanating from said ports in use, and a sparkplug element penetrating an outer portion of the burner cap in a location outside said flame ports, said air inlet being formed by connecting elements between said Venturi pipe and said gas injector.

Assignees

• Electrolux Appliances AB

Inventors

• Rasi Fabio

Classifications

• F23D14/583

  of elongated shape, e.g. slits · CPC title

• F23D14/08 Primary

  with axial outlets at the burner head · CPC title

• F24C3/085 Primary

  on ranges · CPC title

• F23D14/58

  characterised by the shape or arrangement of the outlet or outlets from the nozzle, e.g. of annular configuration · CPC title

• F24C3/08

  Arrangement or mounting of burners · CPC title