Gas burner system providing reduced noise levels

Details Gas burner system providing reduced noise levels Gas burner system providing reduced noise levels

1997-06-17

2000-08-22

Lazarus, Ira S.

Combustion

With means attenuating sound or pulsation

431346, 431350, 431354, 126391, 126350R, 126110C, 126 99C, F23D 1470, F23D 1482

Patent

active

061062766

ABSTRACT:
A gas burner is provided for use on the inlet end of a fire tube, and includes a mixer having attached to it a gas delivery pipe, fuel gas and air being combined in the mixer to provide mixed gas and air. A venturi is secured at its inlet end to the mixer to receive the flow of gas and air, the venturi serving to draw air into the mixer. A burner nozzle is affixed to the venturi outlet end and the burner nozzle and extends within the fire tube. A perforated tube surrounds the mixer/venturi and at least a portion of the burner nozzle. A sound absorbing flame cell housing surrounds the perforated tube. A flame arrestor closes an air inlet opening in the flame cell housing air and serves to permit air to pass into the flame cell housing but prohibits the passage of flame therethrough so that flame is confined within the interior of the flame cell housing. A sound absorbing flame arrestor cover is supported exteriorly of the flame cell housing and adjacent the flame arrestor and configured to permit free passage of air into the flame cell housing through the flame arrestor but prohibiting straight line passage of sound through the flame arrestor from the interior to the exterior of the flame cell housing.

REFERENCES:
patent: 3213921 (1965-10-01), Walker et al.
patent: 3642061 (1972-02-01), Waeselynck
patent: 3684424 (1972-08-01), Zink et al.
patent: 4613303 (1986-09-01), Willis et al.
patent: 5022379 (1991-06-01), Wilson, Jr.
patent: 5344308 (1994-09-01), Cummings, III
patent: 5441405 (1995-08-01), Bedford et al.
patent: 5580238 (1996-12-01), Charles, Sr. et al.

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