Cavity sealed compressor

Details Cavity sealed compressor Cavity sealed compressor

1996-03-29

1997-06-17

Look, Edward K.

Rotary kinetic fluid motors or pumps

Bearing, seal, or liner between runner portion and static part

Between axial flow runner and vane or vane diaphragm structure

4151731, F01D 1100

Patent

active

056392125

ABSTRACT:
A compressor includes an axially split casing surrounding stages of rotor blades and stator vanes. The vanes include a shroud joined to radially inner ends thereof and disposed in a cavity adjoining a rotor disk. An annular cavity seal abuts the vane shroud and adjoins the rotor disk for sealing the cavity therebetween. The seal is axially retained to the shroud in both casing halves, and is radially inwardly retained in only the casing lower half for allowing assembly and removal of the casing upper half relative to the casing lower half without radial interference between the shroud and the seal.

REFERENCES:
patent: 3849023 (1974-11-01), Klompas
patent: 4526508 (1985-07-01), Antonellis et al.
patent: 5236302 (1993-08-01), Weisgerber et al.
patent: 5352087 (1994-10-01), Antonellis
patent: 5429478 (1995-07-01), Krizan et al.

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