Cooled nozzled guide vane or turbine rotor blade platform

Details Cooled nozzled guide vane or turbine rotor blade platform Cooled nozzled guide vane or turbine rotor blade platform

2006-02-21

2006-02-21

Verdier, Christopher (Department: 3745)

Rotary kinetic fluid motors or pumps

With passage in blade, vane, shaft or rotary distributor...

Reexamination Certificate

active

07001141

ABSTRACT:
A turbine aerofoil for a gas turbine has a pressure wall and suction wall and at least one internal cavity. An aerofoil platform adjacent and generally perpendicular to the aerofoil has at least one internal cavity with a pressure wall and suction wall on respective sides of the cavity. The cavity is divided into at least two cooling chambers including a first chamber for receiving cooling air for the platform pressure wall and a second chamber for receiving cooling air for cooling the platform suction wall. The first chamber is in flow communication with the aerofoil cavity for discharge of at least part of the cooling air entering the first chamber to the aerofoil cavity.

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