Air-cooled sealing rings for the wheels of gas turbines

Details Air-cooled sealing rings for the wheels of gas turbines Air-cooled sealing rings for the wheels of gas turbines

1980-10-23

1983-07-12

Smith, Robert I.

Seal for a joint or juncture

Seal between relatively movable parts

Relatively rotatable radially extending sealing face member

415174, F01D 1108, F02F 1100

Patent

active

043926568

ABSTRACT:
Sealing ring for the wheel of a gas turbine comprising successively from the periphery toward the axis, an annular support surrounding the wheel, an annular cooling layer attached to the annular support and made of a material permeable by air, and an annular wear layer. The sealing ring further contains a separating layer inserted between the cooling layer and the wear layer.

REFERENCES:
patent: 3013641 (1961-12-01), Compton
patent: 3082010 (1963-03-01), Morley et al.
patent: 3092393 (1963-06-01), Morley et al.
patent: 3425665 (1969-02-01), Lingwood
patent: 3603599 (1971-09-01), Laird
patent: 3719365 (1973-03-01), Emmerson
patent: 3825364 (1974-07-01), Halila
patent: 3834001 (1974-09-01), Caroll
patent: 3880435 (1975-04-01), Thornbald
patent: 4135851 (1979-01-01), Bill

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