Turbomachinery

Details Turbomachinery Turbomachinery

1998-10-07

2000-12-05

Look, Edward K.

Rotary kinetic fluid motors or pumps

Selectively adjustable vane or working fluid control means

Runner, shaft, or separate motor operated

4152112, F01D 106

Patent

active

06155779&

ABSTRACT:
A centrifugal or mixed flow type turbomachine, of a diffuser type can operate stably at low flow rates below the design flow rate, by preventing the initiation of flow instability in the system. The turbomachine comprises a stabilization member disposed in a predetermined location of the diffuser section which prevents a generation of unstable flow in the diffuser section during a low flow rate operation.

REFERENCES:
patent: 2902209 (1959-09-01), McClatchie
patent: 4395197 (1983-07-01), Yoshinaga et al.
patent: 4421457 (1983-12-01), Yishinaga et al.
patent: 4527949 (1985-07-01), Kirtland
patent: 4932835 (1990-06-01), Sorokes
patent: 5165849 (1992-11-01), Nakagawa
patent: 5368440 (1994-11-01), Japikse et al.
Communication -European Search Report dated Nov. 30, 1999 issued in Application No. EP 98 11 9156.

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