DIVERGENT TURBINE NOZZLE
First Claim
Patent Images
1. A gas turbine engine comprising:
- an annular combustor configured for discharging combustion gases;
a turbine nozzle following said combustor and including a row of nozzle vanes extending radially between laterally surrounding inner and outer bands;
a row of turbine rotor blades following said nozzle for extracting energy from said combustion gases;
each of said nozzle vanes including circumferentially opposite pressure and suction sidewalls extending radially in span between said bands and extending axially in chord between opposite leading and trailing edges; and
each vane further including inner and outer patterns of corresponding inner and outer cooling holes distributed along said leading edge and inclined oppositely inwardly toward said inner band and outwardly toward said outer band, respectively.
1 Assignment
0 Petitions
Accused Products
Abstract
A turbine nozzle includes a row of vanes extending radially in span between inner and outer bands. The vanes include opposite pressure and suction sidewalls and opposite leading and trailing edges. Each vane includes an inner pattern of inner cooling holes and an outer pattern of outer cooling holes distributed along the leading edge. The inner and outer holes diverge toward the corresponding inner and outer bands to preferentially discharge cooling air.
32 Citations
23 Claims
-
1. A gas turbine engine comprising:
-
an annular combustor configured for discharging combustion gases; a turbine nozzle following said combustor and including a row of nozzle vanes extending radially between laterally surrounding inner and outer bands; a row of turbine rotor blades following said nozzle for extracting energy from said combustion gases; each of said nozzle vanes including circumferentially opposite pressure and suction sidewalls extending radially in span between said bands and extending axially in chord between opposite leading and trailing edges; and each vane further including inner and outer patterns of corresponding inner and outer cooling holes distributed along said leading edge and inclined oppositely inwardly toward said inner band and outwardly toward said outer band, respectively. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10)
-
-
11. A gas turbine nozzle comprising:
-
a row of hollow nozzle vanes extending radially in span between laterally surrounding inner and outer bands; each vane including circumferentially opposite pressure and suction sidewalls extending radially between said bands and extending axially in chord between leading and trailing edges; and each vane further including an inner pattern of inner cooling holes distributed along said leading edge and inclined inwardly toward said inner band, and a diverging outer pattern of outer cooling holes distributed along said leading edge and inclined outwardly toward said outer band. - View Dependent Claims (12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23)
-
Specification