Premix burner

Details Premix burner Premix burner

2007-04-27

2009-02-17

Basichas, Alfred (Department: 3743)

Combustion

Mixer and flame holder

C431S351000, C431S352000

Reexamination Certificate

active

07491056

ABSTRACT:
A premix burner for a heat generator has partial cone shells (5) which make up a vortex generator, and which encompass a conically widening vortex chamber (6) and mutually define tangential air inlet slots (7), and also with feeds for gaseous and/or liquid fuel, of which at least one is arranged along the air inlet slots (7) on the partial cone shells (5), and at least one other is arranged along a burner axis (A) which centrally passes through the vortex chamber (6). At least n partial cone shells (5) encompass the vortex chamber (6), and define n air inlet slots (7), with n≧3, preferably n≧5, the n air inlet slots (7) each have at least a maximum slot width (10) which is equal to or larger than that slot width (10) which a generic type premix burner (1) of the same size and dimensioning with m≦2 partial cone shells (5) and m air inlet slots (7) has.

REFERENCES:
patent: 6019596 (2000-02-01), Knopfel et al.
patent: 19527453 (1997-01-01), None
patent: 0321809 (1989-06-01), None
patent: 0704657 (1996-04-01), None
patent: 0756133 (1997-01-01), None
patent: WO2006/048405 (2006-05-01), None
Search Report for Swiss Patent App. No. 01814/04 (Feb. 8, 2005).
International Preliminary Report on Patentability for PCT Patent App. No. PCT/EP2005/055612 (Feb. 7, 2007).

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