Compound centrifugal and screw compressor

Details Compound centrifugal and screw compressor Compound centrifugal and screw compressor

2005-11-08

2005-11-08

Look, Edward K. (Department: 3745)

Rotary kinetic fluid motors or pumps

Runner has spirally arranged blade or fluid passage

Extending along runner axis

C416S177000

Reexamination Certificate

active

06962479

ABSTRACT:
A compound centrifugal and screw compressor comprising two separate sections. The first section is a conventional centrifugal compressor body2with a plurality of radial vanes3and4on the front face. The second section of the compressor is a screw type compressor with a plurality of helical vanes6mounted on a conical screw body5; the helical vanes6are lesser in number than the short radial vanes4and the same in number as the long radial vanes3, typically one quarter to one third, and mate up with longer radial vanes3at the extremity of the centrifugal2compressor rim. The conical screw body5is the same diameter as the outer rim of the centrifugal compressor and reduces down at the output end. The helical vanes each complete one full turn.

REFERENCES:
patent: 86264 (1869-01-01), White et al.
patent: 2483335 (1949-09-01), Davis
patent: 5549451 (1996-08-01), Lyda, Jr.
patent: 6138757 (2000-10-01), Latos et al.
patent: 6790016 (2004-09-01), Chiang

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