Adjustable radial-flow diffuser

Details Adjustable radial-flow diffuser Adjustable radial-flow diffuser

1993-07-26

1994-08-30

Kwon, John T.

Rotary kinetic fluid motors or pumps

Selectively adjustable vane or working fluid control means

4152083, F01D 1714

Patent

active

053421680

ABSTRACT:
An adjustable radial flow diffuser for a radial flow compressor includes adjusting elements having diffuser blades. The adjusting elements are arranged in a diffuser annulus uniformly distributed along the diffuser circumference with an angular pitch .delta.. The adjusting elements further are swivellable about an adjusting axis V parallel to the longitudinal axis of the compressor for changing the narrow cross-section between the diffuser blades. The adjusting elements have either a substantially U-shaped or H-shaped cross-section with sector-shaped plates that are mounted on both sides of a blade root to form the legs. The diffuser blade forms the web of the substantially U or H shaped cross-section.

REFERENCES:
patent: 2904307 (1957-09-01), Balje
patent: 2985427 (1961-03-01), Houghton
patent: 3069070 (1962-12-01), Macaluso et al.
patent: 3326522 (1967-06-01), Pickering
patent: 3963369 (1976-06-01), Balje
patent: 4054398 (1977-10-01), Penny
patent: 4325673 (1982-04-01), Hall, Jr.
patent: 4338063 (1982-07-01), Nakanishi
patent: 4770605 (1988-09-01), Nakatomi

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