Turbine engine rotor blade platform sealing and vibration dampin

Details Turbine engine rotor blade platform sealing and vibration dampin Turbine engine rotor blade platform sealing and vibration dampin

1996-12-24

1998-09-08

Kwon, John T.

Fluid reaction surfaces (i.e., impellers)

Miscellaneous

416500, F04D 2934

Patent

active

058037101

ABSTRACT:
A device for sealing between and damping of adjacent rotor blade platforms is provided which includes a forward seal member, a compliant center seal member, an aft seal member, a first damper, and a second damper. The first damper is disposed between the forward and compliant center seal members, and the second damper is disposed between the compliant center and aft seal members. The compliant center seal member is disposed between the first and second dampers. The compliant center seal member accommodates misalignment between adjacent rotor blade platforms by deflecting in response to centrifugal forces acting on the dampers.

REFERENCES:
patent: 4422827 (1983-12-01), Buxe et al.
patent: 5228835 (1993-07-01), Chlus
patent: 5284421 (1994-02-01), Chlus et al.
patent: 5313786 (1994-05-01), Chlus et al.
patent: 5414526 (1995-05-01), Mercadante et al.
patent: 5460489 (1995-10-01), Benjamin et al.
patent: 5513955 (1996-05-01), Barcza

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