Cooled rotor blade for a gas turbine engine

Fluid reaction surfaces (i.e. – impellers) – With heating – cooling or thermal insulation means – Changing state mass within or fluid flow through working...

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416 96A, F01D 518

Patent

active

041770102

ABSTRACT:
A cooled rotorblade has two separate cooling passages or series of passages in its aerofoil. One passage or series communicates with an aperture in the root or shank of the blade for the supply of cooling fluid while the other communicates with a hollow bush mounted in the shank to provide an inlet for cooling fluid. In addition to providing a cooling fluid inlet the bush serves to blank off an interconnection between the otherwise separate passages, the interconnection assisting the manufacturing process.

REFERENCES:
patent: 2779565 (1957-01-01), Bruckmann
patent: 3370829 (1968-02-01), Banthin et al.
patent: 3533711 (1970-10-01), Kercher
patent: 3628885 (1971-12-01), Sidenstick et al.
patent: 3799696 (1974-03-01), Redman
patent: 3846041 (1974-11-01), Albani
patent: 3867068 (1975-02-01), Corsmeier et al.
patent: 4073599 (1978-02-01), Allen

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