Fuel delivery method for dual annular combuster

Details Fuel delivery method for dual annular combuster Fuel delivery method for dual annular combuster

1992-11-27

1993-11-16

Casaregola, Louis J.

Power plants

Combustion products used as motive fluid

60 39141, F02C 7228

Patent

active

052612228

ABSTRACT:
A fuel delivery system for a dual annular combustor having a pilot stage manifold, a first main stage manifold, and a second main stage manifold which are connected to a three-position staging valve. The staging valve is controlled by a fuel/air digital electronic control (FADEC) which directs the staging valve to a closed (staged) position, to a partially open (partially staged) position, or to an open (unstaged) position in accordance with a staging-valve-fuel-to-air-ratio control schedule.

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patent: 4735052 (1988-04-01), Maeda et al.
patent: 4817384 (1989-04-01), Holladay et al.
patent: 4903478 (1990-02-01), Seto et al.
patent: 4920740 (1990-05-01), Shekleton
patent: 5054280 (1991-10-01), Ishibashi et al.

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