Nozzle guide vane for a gas turbine engine

Details Nozzle guide vane for a gas turbine engine Nozzle guide vane for a gas turbine engine

1989-05-08

1990-01-30

Garrett, Robert E.

Rotary kinetic fluid motors or pumps

With passage in blade, vane, shaft or rotary distributor...

415161, 416 96A, F01D 508

Patent

active

048970204

ABSTRACT:
A nozzle guidevane for a gase turbine engine 10 comprising a first fixed upstream portion 24, a movable downstream portion 26 and a seal situated therebetween. The seal comprises two pairs of ridges 56, 58 on the upstream portion and two ridges 60 on the downstream portion 26 which co-operate with each other to form a flow restrictor which maintains the flow of escaping air within acceptable limits. The air which does escape is used to advantage by maintaining the mainflow of air over the outside of the vane 22.

REFERENCES:
patent: 2476001 (1949-07-01), Stalker
patent: 4097187 (1978-06-01), Korta
patent: 4193738 (1980-03-01), Landis, Jr. et al.
patent: 4314442 (1982-02-01), Rice
patent: 4565490 (1986-01-01), Rice
patent: 4705452 (1987-11-01), Karadimas

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