Turbine balancing

Details Turbine balancing Turbine balancing

2005-05-17

2005-05-17

Nguyen, Ninh H. (Department: 3745)

Fluid reaction surfaces (i.e., impellers)

With weight-balancing means

C416S500000, C415S119000, C029S889100, C029S889200, C029S402210, C029S402210

Reexamination Certificate

active

06893222

ABSTRACT:
A turbine disk has an at least partially radially-extending first portion. An at least partially axially-extending circumferential flange has a root connecting the flange to the first portion. The flange extends to a rim and has a plurality of pairs of first and second weight-mounting fastener apertures. A plurality of first recesses are provided in the rim, each position between an associated first and second aperture of an associated one of the aperture pairs. A plurality of second recesses are provided in the rim each positioned between an adjacent two of the pairs.

REFERENCES:
patent: 4220055 (1980-09-01), Dubois et al.
patent: 4270259 (1981-06-01), Tichy et al.
patent: 4803893 (1989-02-01), Bachinski
patent: 5369882 (1994-12-01), Dietz et al.

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