Turbomachine rotor having a sealing ring

Details Turbomachine rotor having a sealing ring Turbomachine rotor having a sealing ring

1977-05-05

1978-11-28

Powell, Jr., Everette A.

Fluid reaction surfaces (i.e., impellers)

Multiple axially spaced working members

416201R, F01D 506

Patent

active

041273591

ABSTRACT:
A rotor of a jet engine turbine or compressor includes a plurality of disks each carrying radially extending blades. An annular spacer having a substantially double-T-shaped cross-section is located between two successive disks. One end of the spacer and one of the disks define an annular space between them. A gap exists between the one disk and the spacer through which the region between the blades can communicate with the annular space. A sealing ring is arranged within the annular space with its width extending across the gap. Upon rotation of the rotor, centrifugal force presses the sealing ring against the radially outer wall of the annular space to seal the gap. The sealing ring may be an elongated strip bent into a ring shape with its ends overlapped. The side edges of the sealing ring may be bent generally toward the center of the annular space.

REFERENCES:
patent: 2356605 (1944-08-01), Meininghaus
patent: 2579745 (1951-12-01), Lombard et al.
patent: 3295825 (1967-01-01), Hall
patent: 3689177 (1972-09-01), Klassen
patent: 3894324 (1975-07-01), Holzapfel
patent: 3972645 (1976-08-01), Kasprow

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