Rotary kinetic fluid motors or pumps – Selectively adjustable vane or working fluid control means – Upstream of runner
Patent
1979-11-16
1982-03-23
Casaregola, Louis J.
Rotary kinetic fluid motors or pumps
Selectively adjustable vane or working fluid control means
Upstream of runner
415160, F04D 2946, F04D 2956
Patent
active
043210082
ABSTRACT:
This wide range compressor has a casing forming a passage with an inlet and an axial portion, and a rotor with blades extending into the passage and functioning, when the rotor operates, to draw air into the inlet and force it through the passage. One of the problems with wide range compressors is a variation of the pressure as the volume changes rather than maintaining a desired constant or substantially constant discharge pressure. To solve this problem, the present compressor is provided, first, with a ring in the inlet to divide the flow into inner and outer annuluses and, second, with vane or other elements positioned and operative to vary one of the flow annuluses to maintain the output pressure of the compressor substantially uniform over the complete range. The concept embodied in the additional structure disclosed herein is applicable to fans, blowers, compressors, and pumps of axial, centrifugal, or mixed flow configurations which often have difficult wide range requirements.
REFERENCES:
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Casaregola Louis J.
Konneker J. Richard
Miller Albert J.
Omohundro Herschel C.
The Garrett Corporation
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