Variable width diffuser

Details Variable width diffuser Variable width diffuser

1983-09-12

1985-07-09

Garrett, Robert E.

Rotary kinetic fluid motors or pumps

Selectively adjustable vane or working fluid control means

Runner, shaft, or separate motor operated

415156, 415158, 415211, F04D 2702

Patent

active

045279497

ABSTRACT:
A centrifugal machine having a variable diffuser that includes a radially disposed fixed wall and an opposed movable wall defining the diffuser passage. Guideways are formed in the movable wall in which a series of diffuser vanes are slidably mounted. A spring biased retainer loosely holds each of the vanes in an associated guideway and urges the vanes into seating contact with the fixed wall so that each vane can adjust its position in assembly to accommodate for changes in diffuser alignment due to thermal growth or the like.

REFERENCES:
patent: 2778564 (1957-01-01), Halford et al.
patent: 2846185 (1958-08-01), Widmer
patent: 2996996 (1961-08-01), Jassniker
patent: 3780532 (1973-12-01), Norbeck et al.
patent: 3957392 (1976-05-01), Backburn
patent: 4219305 (1980-08-01), Mount et al.
patent: 4378194 (1983-03-01), Bandukwalla

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