Gas burner
阅读：21发布：2023-04-13
专利汇可以提供Gas burner专利检索，专利查询，专利分析的服务。并且Closed-center inverted cup type gas burner has noncircular, nonlinear slot-shaped burner ports with uniform widths, the port axes being angled upwardly to clear the top of a surrounding aeration pan. The fuel valve orifice is metered to inject gas into the mixing tube at velocities inverse to the flow rate to the burner.，下面是Gas burner专利的具体信息内容。
1. Gas burner structure having burner ports which comprise, a first noncircular portion extending in one direction, a second noncircular portion extending in another direction and an arcuate interconnecting portion, each of said first and second portions having an end portion spaced from said interconnecting portion, said port having a length between said end portions, said port having a width which is substantially uniform throughout said length.
2. The structure defined in claim 1 wherein said first, second and interconnecting portions are defined by edges, the edges of said first and second portions adjoining the edges of said interconnecting portion in directions substantially tangent to the arcs of said edges of said interconnecting portion.
3. Gas burner structure having burner ports which comprise, a generally U-shaped slot having legs which are angled to the vertical, said legs having upper end portions and having lower end portions which are interconnected by a return portion, said slot having a length between said upper end portions, said slot everywhere along said length having a width substantially normal to said length, said width being everywhere no greater than 0.043 inch.
4. The structure defined in claim 3 wherein said width is everywhere in the range from about 0.032 inch to about 0.043 inch.
5. The structure defined in claim 4 wherein said width is everywhere in the range from about 0.037 inch to about 0.040 inch.
6. A gas burner structure having burner ports which comprise, a first noncircular portion, a second noncircular portion and an interconnecting portion, said first and second portions extending in directions which are angled to each other, said interconnecting portion turning through the angle between said directions, each of said first and second portions having an end portion spaced from said interconnecting portion, said port having a length between said end portions, said port having a width which is substantially uniform throughout said length.
7. The structure defined in claim 6, wherein said first and second portions extend in directions angled oppositely to the vertical.
8. The structure defined in claim 7, wherein said first and second portions are angled substantially equally oppositely to the vertical.
9. The structure defined in claim 8, wherein said first and second portions extend along substantially straight lines.
10. The structure defined in claim 6 wherein said burner has the shape of an inverted closed-center cup with an end wall forming the burner top, said cup having a side wall portion adjacent said top containing said ports.
11. The structure defined in claim 10 wherein said side wall portion is disposed at an angle such that the ports therein face upwardly from the horizontal at an angle in the range from about 12* to about 21*.
12. The structure defined in claim 11, wherein said upward angle is in the range from about 17* to about 19*.
13. In combination with the structure defined in claim 10 a mixing tube and a valve operable to furnish fuel gas to said burner at different rates of flow, said valve having an orifice which opens into said mixing tube and which is metered to provide a gas velocity at said orifice inverse to said rate of flow of said burner.
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