Atmospheric gas burner assembly for improved flame stability

Details Atmospheric gas burner assembly for improved flame stability Atmospheric gas burner assembly for improved flame stability

1996-12-26

1998-09-01

Price, Carl D.

Combustion

Adjunctive, relatively low velocity, flame maintaining fuel...

431114, 431350, 431354, 431266, 126 39R, 126 39E, F23D 1406, F23D 1458

Patent

active

058001590

ABSTRACT:
A gas burner assembly for connection to a gas source includes a burner body having a sidewall and a main gas conduit. The burner body further includes a number of primary burner ports disposed within the sidewall, each for supporting a respective main flame, and a simmer flame port disposed within the sidewall adjacent to the primary burner ports for supporting a simmer flame. Additionally, a main fuel chamber is disposed within the burner body to provide fuel to the primary burner ports, and a stability chamber is disposed within the burner body to channel fuel to the simmer flame port. In one configuration, the stability chamber has one or more stability inlets proximate the burner throat which provide the stability chamber with fuel by utilizing the static pressure associated with each stability inlet. In another configuration, the stability chamber has a small feed hole located proximate the burner throat of the main gas conduit. Each configuration creates a comparatively large pressure drop across the stability chamber during fuel flow due to the positioning of the stability inlets or the feed hole proximate the burner throat, thereby reducing the sensitivity of the simmer flame to pressure disturbances.

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