Diffuser construction for a centrifugal compressor

Details Diffuser construction for a centrifugal compressor Diffuser construction for a centrifugal compressor

1985-09-06

1986-04-01

Garrett, Robert E.

Rotary kinetic fluid motors or pumps

Working fluid passage or distributing means associated with...

Plural rigidly related blade sets

415219A, 415219C, F04D 2944

Patent

active

045795096

ABSTRACT:
Constant flow width through the last stage diffuser of a centrifugal compressor is maintained against widening by the forces of differential pressure via a diffuser defined between oppositely positioned radial faces of a diaphragm and an annular diffuser plate secured spaced from the diaphragm at the desired width. Although slight movement occurs in the compressor components, the width of the diffuser flow passageway is not affected since its width is fixed and the diffuser plate is free to move because of the pressure balance provided by the annular cavity and vent holes extending through the plate.

REFERENCES:
patent: 2875696 (1959-03-01), Von Zborowski
patent: 3105632 (1963-10-01), Tanzberger
patent: 3250458 (1966-05-01), Caldwell
patent: 3362629 (1968-01-01), Papapanu
patent: 3868196 (1975-02-01), Lown
patent: 3930746 (1976-01-01), Kronogard
patent: 4087200 (1978-05-01), Korenblit et al.
patent: 4131389 (1978-12-01), Perrone et al.

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