Shroud assemblies for turbine rotors

Details Shroud assemblies for turbine rotors Shroud assemblies for turbine rotors

1991-06-17

1992-11-10

Look, Edward K.

Rotary kinetic fluid motors or pumps

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

Between blade edge and static part

4151701, 4151731, F01D 520

Patent

active

051619440

ABSTRACT:
In a high pressure compressor stage of a gas turbine engine an array of rotor blades is mounted on a rotatable disk or drum and a static shroud is made up of a number of shroud segments. Each segment is provided with two hook portions which each locate through a respective slot or aperture formed in a generally tubular casing structure. The hook portions engage the outer surface of the casing whilst the ends of the shroud members press upon the inner surface of the casing to create an assembly strain which holds each shroud member firmly in position. Cooling air holes are provided in the casing and the shroud segment.

REFERENCES:
patent: 4230436 (1980-10-01), Davison
patent: 4529355 (1985-07-01), Wilkinson
patent: 4551064 (1985-11-01), Pask

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