Rotary kinetic fluid motors or pumps – Selectively adjustable vane or working fluid control means – Upstream of runner
Patent
1980-09-29
1983-03-08
Coe, Philip R.
Rotary kinetic fluid motors or pumps
Selectively adjustable vane or working fluid control means
Upstream of runner
415151, 138 43, 138 45, F04D 2946, F04D 2956
Patent
active
043759394
ABSTRACT:
In a centrifugal gas compressor the capacity and the prewhirl of the entering gas are both controlled by reciprocating a plug which is located in the flow path. The plug coacts with tapering walls of the flow path to vary the minimum cross-sectional area of the flow path. Additionally vanes are provided either in the wall of the flow path or on the plug. The vanes transition from an axial direction to a helical direction and of reducing height in a downstream direction so as to produce increasing prewhirl with decreasing capacity. Alternatively, prewhirl may be provided without capacity control.
REFERENCES:
patent: 2218643 (1940-10-01), Heinriksen
patent: 2649273 (1953-08-01), Honegger
patent: 2692080 (1954-10-01), Schwaiger
patent: 2923526 (1960-02-01), Street, Jr.
Huenniger Edward A.
Mount Gordon L.
Mulugeta Jarso
Carrier Corporation
Coe Philip R.
Daley Donald F.
Pitko Joseph M.
Zobkiw David J.
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