Turbine shaft and method for cooling a turbine shaft

Details Turbine shaft and method for cooling a turbine shaft Turbine shaft and method for cooling a turbine shaft

1998-12-21

2000-04-11

Look, Edward K.

Rotary kinetic fluid motors or pumps

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

415103, 416 97R, 416 96R, F01D 514

Patent

active

060481692

ABSTRACT:
A turbine shaft extends along a principal axis and has an outer surface. The turbine shaft is formed by a plurality of cylindrical shaft segments which are disposed axially one behind the other and are braced together by a bracing element. An axial gap which is formed between the bracing element and at least one shaft segment is connected in terms of flow to two axially spaced radial passages. The radial passages each open at the outer surface of the turbine shaft. A method for cooling a turbine shaft is also provided.

REFERENCES:
patent: 2657901 (1953-11-01), McLeod
patent: 3817654 (1974-06-01), Sohma
patent: 4453889 (1984-06-01), Sakata et al.
patent: 4571153 (1986-02-01), Keller
patent: 5507620 (1996-04-01), Primoschuitz et al.
Patent Abstracts of Japan No. 06-330702 (Shinya et al.), dated Nov. 29, 1994.

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