Back to results
US 6,790,005 B2Granted
Compound tip notched blade
AssigneeGeneral Electric Company
InventorsChing-Pang Lee, David Glenn Cherry, Chander Prakash, Aspi Rustom Wadia
Life of this patent
Estimating the term…
Abstract
A gas turbine engine blade includes pressure and suction sidewalls extending between leading and trailing edges and from root to tip. The pressure sidewall includes an inclined tip rib offset therein by a ramp defining a tip notch having compound inclinations.
Claims20
A gas turbine rotor blade comprising:
- an airfoil integrally joined with a mounting dovetail at a platform therebetween;
- said airfoil including opposite pressure and suction sidewalls extending chordally between opposite leading and trailing edges, and in span between a root adjoining said platform and an opposite tip;
- said tip including a floor bounded by integral, first and second ribs extending upwardly therefrom along said pressure and suction sidewalls, respectively, to define an open tip plenum therebetween;
- and
- said first rib being inclined outwardly from said tip plenum, and having a base offset inwardly from said pressure sidewall to form an outboard ramp inclined upwardly from a bullnose at said pressure sidewall to join said first rib at a fillet and define a notch extending chordally along said first rib between said leading and trailing edges.
2 more elements
A gas turbine rotor blade comprising:
- an airfoil integrally joined with a mounting dovetail at a platform therebetween;
- said airfoil including opposite pressure and suction sidewalls extending chordally between opposite leading and trailing edges, and in span between a root adjoining said platform and an opposite tip;
- said tip including a floor bounded by integral first and second ribs extending upwardly therefrom along said pressure and suction sidewalls, respectively, to define an open tip plenum therebetween;
- and
- said first rib being inclined outwardly from said tip plenum, and having a offset inwardly from said pressure sidewall to form an outboard ramp extending from said pressure sidewall to said first rib and defining a substantially normal notch therebetween.
2 more elements
Dependencies are inferred from the claim text.