Turbine rotor disk

Details Turbine rotor disk Turbine rotor disk

1998-02-06

1999-09-28

Lopez, F. Daniel

Fluid reaction surfaces (i.e., impellers)

With heating, cooling or thermal insulation means

Changing state mass within or fluid flow through working...

416 95, 416 96R, 416248, 416193A, 415115, B63H 114

Patent

active

059576600

ABSTRACT:
In connection with a turbine rotating disk with disk grooves, constituted by disk fingers, for receiving turbine blades, as well as with measures for guiding a cooling air flow from a chamber located in front of the disk to one behind the disk, a cooling air transfer channel is provided in at least some of the disk fingers, which respectively starts at the front disk face, and makes a transition into a cooling air exhaust channel, also essentially extending in the radial direction in the disk finger, whose outlet opening on the rear disk face side lies closer to the disk axis than the disk ring section, which has the disk grooves and is widened in the disk axial directions. By means of this it is possible to convey a larger cooling air flow which, in an advantageous manner, indirectly aids the cooling of the disk in the area of the disk grooves.

REFERENCES:
patent: 2447292 (1948-08-01), Van Acker
patent: 2931624 (1960-04-01), Hyde
patent: 4047837 (1977-09-01), Hueber
patent: 4178129 (1979-12-01), Jenkinson
patent: 4522562 (1985-06-01), Glowacki
patent: 5201849 (1993-04-01), Chambers et al.
patent: 5339619 (1994-08-01), Antonellis

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