Main gas duct internal seal of a high-pressure turbine

Details Main gas duct internal seal of a high-pressure turbine Main gas duct internal seal of a high-pressure turbine

2006-10-17

2006-10-17

Look, Edward K. (Department: 3745)

Rotary kinetic fluid motors or pumps

Bearing, seal, or liner between runner portion and static part

Labyrinth seal

C415S115000

Reexamination Certificate

active

07121791

ABSTRACT:
A high-pressure turbine of a gas-turbine engine provided with a turbine disk (1) carrying rotor blades (2) and with stator blades (3), and with a lateral wheel cavity (5) being formed between the turbine disk (1) and the stator ring (4), wherein a seal (8) is provided in axial direction between stator blade platforms (6) and rotor blade platforms (7) and which is arranged radially outwardly adjacent a main gas duct (9).

REFERENCES:
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patent: 6431827 (2002-08-01), Wolfe et al.
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patent: 6837676 (2005-01-01), Yuri et al.
patent: 3130573 (1982-04-01), None
German Search Report dated Aug. 26, 2003.
Bohn, D., Radseitenraumsperrung II. In: FVV-664, 1998, Abb.2.1, S.89, 111.

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