Apparatus and method for sealing gas turbine blade roots

Details Apparatus and method for sealing gas turbine blade roots Apparatus and method for sealing gas turbine blade roots

1997-06-20

1999-02-23

Verdier, Christopher

Fluid reaction surfaces (i.e., impellers)

Specific working member mount

Welded, cemented or fused

416220R, 416221, 416248, 156 94, 156578, 2988921, F01D 530

Patent

active

058737022

ABSTRACT:
A sealing apparatus and method for delivering a sealing material to gaps between gas turbine blade roots and the corresponding grooves of a rotor disc are disclosed. The sealing apparatus comprises a tank for housing a pressurized sealing material, a delivery tube for delivering the sealing material from the tank to the rotor disc, a control valve for controlling the flow of the sealing material, a sealing fixture for distributing the sealing material to the gaps between the blade roots and the corresponding grooves, an O-ring seal for effecting a tight seal between the sealing fixture and the rotor disc, and jack screws for maintaining the sealing fixture securely in place.

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patent: 5362342 (1994-11-01), Murray et al.
patent: 5429706 (1995-07-01), Cresse et al.
patent: 5558500 (1996-09-01), Elliott et al.
patent: 5599170 (1997-02-01), Marchi et al.

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