Premix burner

Details Premix burner Premix burner

2006-03-21

2006-03-21

Gartenberg, Ehud (Department: 3746)

Power plants

Combustion products used as motive fluid

Combustion products generator

Reexamination Certificate

active

07013648

ABSTRACT:
A premix burner includes a swirler (7) for a combustion air stream and a device for injection of fuel into the combustion air stream. The swirler (7) includes one or more inlet openings for combustion air of the combustion air stream entering the burner. The device for injection of fuel into the combustion air stream includes one or more first fuel lines (8) with first fuel injection openings (4). The opening diameter and/or the injection angle of the injection openings varies with respect to the axial and/or radial direction. Alternatively or in addition, some of the first fuel injection openings (4) may be arranged in one or more first groups of closely grouped fuel injection openings (4) so that each of the first groups forms one fuel jet with a large cross section. An improved mixing of the fuel with the combustion air is achieved with the burner in particular in cases in which the fuel is injected at the end of the burner facing the combustion chamber.

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Copy of Search Report for Swiss Appl. No. CH 2002 0830/02.
Copy of International Search Report for PCT Appl. No. PCT/EP03/50163.
Copy of International Preliminary Examination Report for PCT Appl. No. PCT/EP03/50163.

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