Rotating seal for gas turbine engine

Details Rotating seal for gas turbine engine Rotating seal for gas turbine engine

1984-07-23

1987-02-24

Powell, Jr., Everette A.

Fluid reaction surfaces (i.e., impellers)

Multiple axially spaced working members

416 95, 416174, 415172A, F01D 506, F01D 1102

Patent

active

046454241

ABSTRACT:
The cavity between the first stage and second stage turbines of a gas turbine power plant is sealed by a rotating seal characterized by an I-beam section annular member spanning therebetween to transmit the axial load through the upper rim and the radial load through the lower rim of the annular member. A hammer head eccentrically mounted on the edge of the upper rim locks in the first stage rear side plate and a gap between the lower rim and second stage turbine pressure balances the I-section.

REFERENCES:
patent: 2656147 (1953-10-01), Brownhill et al.
patent: 3094309 (1963-06-01), Hull et al.
patent: 3295825 (1967-01-01), Hall
patent: 3551068 (1970-12-01), Scalzo et al.
patent: 3842595 (1974-10-01), Smith et al.
patent: 3868197 (1975-02-01), Hugoson
patent: 3894324 (1975-07-01), Holzapfel et al.
patent: 4127359 (1978-11-01), Stephan
patent: 4192633 (1980-03-01), Herzner
patent: 4470757 (1984-09-01), Vollinger

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