Turbo aero engine provided with a device for heating turbine dis

Details Turbo aero engine provided with a device for heating turbine dis Turbo aero engine provided with a device for heating turbine dis

1994-10-31

1996-12-24

Look, Edward K.

Rotary kinetic fluid motors or pumps

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

415134, 4151744, 4151745, 415176, 415177, 415178, 416 96R, 60 3975, F01D 508, F01D 1112

Patent

active

055868606

ABSTRACT:
Turbo aero engine including a heating arrangement for the internal portions (12) of turbine disks on revving up so as to reduce the temperature gradient in the disks. Heating gas passes through pipes (11) integral with the stator and reheats the disks by passing through a gasket (13) designed with the tongues (18) and orifices (20 and 22) which allow the gas to circulate towards the zones to be heated when the revving up has firstly heated the portions of the machine close to the pipes (11) and then makes it possible to interrupt the communication when the temperatures even out and the original heat expansions become uniform and offset the orifices (20 and 23).

REFERENCES:
patent: 4332133 (1982-06-01), Schwarz et al.
patent: 4662821 (1987-05-01), Kervistin et al.
patent: 4882902 (1989-11-01), Reigel et al.
patent: 5271711 (1993-12-01), McGreehan et al.

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