Impeller shroud

Details Impeller shroud Impeller shroud

1985-07-03

1987-08-18

Garrett, Robert E.

Rotary kinetic fluid motors or pumps

Including thermal expansion joint

415174, 415DIG1, F04D 2914

Patent

active

046874127

ABSTRACT:
An impeller shroud is mounted in a cantilever manner to a stator assembly in a compressor for a gas turbine engine, wherein the impeller has a radial component, the impeller shroud being adapted for deflection around its outer portion in correspondence with deflection which may occur in the outer portion of the impeller. The stator assembly includes a shroud surrounding the compressor gas path and is directly fixed to the casing of the engine and has a common datum with the rotor portion of the compressor through a thrust bearing.

REFERENCES:
patent: 3130678 (1964-04-01), Chenault
patent: 3493169 (1970-02-01), Abild et al.
patent: 3656862 (1972-04-01), Rahaim et al.
patent: 4248566 (1981-02-01), Chapman et al.
patent: 4264271 (1981-04-01), Libertini
patent: 4302149 (1981-11-01), Smale
patent: 4455121 (1984-06-01), Jen
patent: 4479755 (1984-10-01), Skoe

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