Coolable blade tip shroud

Details Coolable blade tip shroud Coolable blade tip shroud

1975-06-02

1976-09-21

Freeh, William L.

Rotary kinetic fluid motors or pumps

With diversely oriented inlet or additional inlet for...

Diverse fluids to motor

415172A, F01D 1108, F01D 1110

Patent

active

039816095

ABSTRACT:
A coolable shroud having a sealing surface surrounding the tips of the turbine blades of a gas turbine engine is disclosed. The shroud comprises a plurality of arcuate segments which are supported by the turbine case in end to end relationship concentrically about the axis of the engine. Each segment is adapted to receive and distribute cooling air about the walls of the shroud which are exposed to the hot working medium gases flowing through the turbine during operation of the engine. Cooling air is flowable to the gap between adjacent shroud segments to maintain continuity of the sealing surface across the gap.

REFERENCES:
patent: 2544538 (1951-03-01), Mahnken
patent: 2859934 (1958-11-01), Halford
patent: 2863634 (1958-12-01), Chamberlin
patent: 3412977 (1968-11-01), Moyer
patent: 3656862 (1970-07-01), Rahaim
patent: 3742705 (1923-07-01), Sifford
patent: 3892497 (1975-07-01), Gunderlock

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