Power plants – Combustion products used as motive fluid – Combined with regulation of power output feature
Patent
1987-07-16
1989-05-02
Casaregola, Louis J.
Power plants
Combustion products used as motive fluid
Combined with regulation of power output feature
60752, 60760, F02C 314, F02C 712
Patent
active
048256404
ABSTRACT:
The expense of fabricating an annular combustor for use with a small diameter gas turbine engine is minimized in a construction including a bell-shaped housing 52, an axially extending sleeve 66 within the housing 52, an annular liner 74 within the housing 52 and about the sleeve 66 and including inner, outer and radial walls 80, 76, 78, respectively, spaced from the sleeve 66 and the housing 52 and all being formed of sheet metal. A circular fuel manifold 108 with angularly spaced fuel dispensing openings 122 is disposed between the housing 52 and the outer wall 76 and a plurality of open ended, elongated tubes 112 extend through the outer wall 76 and are in fluid communication with respective openings 122 in the fuel manifold 108 to introduce air and fuel generally tangentially into the liner 74. An end 68 of the sleeve 66 and an end 86 of the outer wall 76 define an outlet in fluid communication with a turbine nozzle structure 46 having turbine nozzle blades 136. The outer wall 76 is provided with a plurality of inwardly directed tabs 130 which extend toward the turbine nozzle structure 46 and which are oriented with respect to the blades 136 such that cooling air entering the space between the inner and outer radial walls 80, 76 through the outer wall 76 at the location of the tabs 130 impinges upon a corresponding one of the turbine nozzle blades 136 to cool the same.
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Casaregola Louis J.
Sundstrand Corporation
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