Shroud ring for use in a gas turbine engine

Details Shroud ring for use in a gas turbine engine Shroud ring for use in a gas turbine engine

1980-05-16

1983-07-26

Casaregola, Louis J.

Rotary kinetic fluid motors or pumps

Including thermal expansion joint

Radially sliding

415138, F01D 2526

Patent

active

043951953

ABSTRACT:
A shroud ring (22) for a gas turbine engine having a stator structure (14) and an array of inwardly extending stator vanes (20) is disclosed. The shroud ring is circumferentially segmented to accommodate inward and outward movement of the vanes and the stator structure. The shroud ring has a segmented outer ring (28) and a segmented inner ring (30). The outer ring engages the vanes to support the vanes and to position the inner ring and an integral seal member (24) about a rotor structure. In one embodiment the vanes (20) are rotatable about a spanwise axis S. In a second embodiment, the vanes (120) are integrally attached to the shroud ring (122).

REFERENCES:
patent: 2772069 (1956-11-01), Hockert et al.
patent: 2809803 (1957-10-01), Featonby
patent: 3018085 (1962-01-01), Welsh
patent: 3859785 (1975-01-01), Leto et al.
patent: 3966352 (1976-06-01), White et al.
Pratt & Whitney Aircraft, "The Aircraft Gas Turbine Engine and Its Operation", Aug. 1970, p. 36.

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