Impeller blading of a centrifugal compressor

Details Impeller blading of a centrifugal compressor Impeller blading of a centrifugal compressor

1977-10-06

1979-09-11

Powell, Jr., Everette A.

Fluid reaction surfaces (i.e., impellers)

Rotor having flow confining or deflecting web, shroud or...

Radially extending web or end plate

416183, 416188, F04D 1710

Patent

active

041673697

ABSTRACT:
Each blade on an impeller disc comprises an impeller portion extending substantially radially of the disc and a centrally located inducer portion on the front side of the impeller portion, the inducer portion being angled from the impeller portion in the direction of impeller rotation. The impeller portion itself is mostly inclined in the direction of impeller rotation, with the angle between the impeller portion and the front face of the disc being about 90 degrees at its inner end and gradually decreasing toward its outer end, where the angle is in the range of from about 50 to 70 degrees. Preferably, these blades are arranged alternately with auxiliary blades which are essentially identical with the impeller portions of the first recited blades.

REFERENCES:
patent: 2648493 (1953-08-01), Stalker
patent: 2965287 (1960-12-01), Schug
patent: 3481531 (1969-12-01), MacArthur et al.
patent: 3984193 (1976-10-01), Yu

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