Flame disgorging two stream tangential entry nozzle

Details Flame disgorging two stream tangential entry nozzle Flame disgorging two stream tangential entry nozzle

1996-12-20

1999-05-04

Thorpe, Timothy S.

Power plants

Combustion products used as motive fluid

Combustion products generator

60748, 60737, 239403, 239470, F02C 720

Patent

active

058990763

ABSTRACT:
A tangential air entry fuel nozzle has a longitudinal axis and two cylindrical-arc scrolls with the centerline of each offset from that of the other. Overlapping ends of these scrolls form an air inlet slot therebetween for the introduction of an air/fuel mixture into the fuel nozzle. A combustor-end endplate has a central opening to permit air and fuel to exit into a combustor, while at the opposite end another endplate blocks the nozzle flow area. The scrolls are secured between these endplates. A centerbody is located between the scrolls coaxial with the axis. The centerbody has a base which includes at least one air supply port extending therethrough, and an internal passageway. The centerbody includes a frustum portion and aerodynamic ramps that prevent flow reversal and flame stabilization between the endplates.

REFERENCES:
patent: 3982392 (1976-09-01), Crow
patent: 4754600 (1988-07-01), Barbier et al.
patent: 5307634 (1994-05-01), Hu
patent: 5461865 (1995-10-01), Snyder et al.
patent: 5479773 (1996-01-01), McCoomb et al.
patent: 5671597 (1997-09-01), Butler et al.
patent: 5761897 (1998-06-01), Kramer
patent: 5791562 (1998-08-01), Kramer et al.

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