Apparatus for ventilating a turbine stator ring

Details Apparatus for ventilating a turbine stator ring Apparatus for ventilating a turbine stator ring

1998-07-15

1999-10-12

Look, Edward K.

Rotary kinetic fluid motors or pumps

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

415116, 4151731, 415176, 415178, F01D 514

Patent

active

059645750

ABSTRACT:
This ventilation apparatus uses gas under pressure diverted from a cooler area of the turbine that reaches a chamber and (8) successively passes through a cover (6) perforated with flow-restricting apertures (13), and then a wall (7) perforated with distribution apertures (12) before reaching a stator ring exposed to the heat that must be cooled, that economizes the ventilation gas due to the almost unperforated cover (6). This construction can be fitted to high pressure turbine stator rings. The cover and the wall form a single unit and the apertures restricting the flow are in the form of nozzles opening into the volume formed by the unit.

REFERENCES:
patent: 3703808 (1972-11-01), Stearns
patent: 3825364 (1974-07-01), Halila et al.
patent: 3844343 (1974-10-01), Burggraf
patent: 4157232 (1979-06-01), Bobo et al.
patent: 5048288 (1991-09-01), Bessette et al.

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