Gas turbine combustor with pneumatically controlled flow distrib

Details Gas turbine combustor with pneumatically controlled flow distrib Gas turbine combustor with pneumatically controlled flow distrib

1984-05-15

1986-12-16

Casaregola, Louis J.

Power plants

Combustion products used as motive fluid

With variable oxidizer control

60 3929, 60758, F02C 900

Patent

active

046286870

ABSTRACT:
A combustor for a gas turbine including a burner defining an axial fluid flow path between upstream and downstream ends, a burner casing coaxially surrounding the burner and defining an annular conduit for inlet gas flow from downstream to upstream ends of the burner, ports for introducing part of the inlet gas into the upstream end of the burner, a fuel nozzle introducing fuel into the upstream end of the burner, slots circumferentially disposed around the burner casing upstream of the ports and a conduit and valve arrangement for introducing external air to the annular conduit through the slots to generate an annular vortex to restrict inlet gas flow to the ports when the turbine is operating at predetermined operating conditions.

REFERENCES:
patent: 2807933 (1957-10-01), Martin
patent: 2957306 (1960-10-01), Attinello
patent: 3474813 (1969-10-01), Servanty et al.
patent: 3631675 (1972-01-01), Keiter et al.
patent: 3722218 (1973-03-01), Lapera
patent: 3738106 (1973-06-01), Stein et al.
patent: 3910035 (1975-10-01), Juhasz et al.
patent: 4085579 (1978-04-01), Holzapfel et al.
patent: 4090360 (1978-05-01), Erismann
patent: 4446692 (1984-05-01), Adkins
Mowill et al., "New Radial Engine Technology from Kongsberg", ASME pub. 83-GT-221, Mar. 1983.

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