Compressor impeller

Details Compressor impeller Compressor impeller

1989-12-14

1991-08-06

Look, Edward K.

Fluid reaction surfaces (i.e., impellers)

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

Axially extending shroud ring or casing

416191, 416192, 4151736, F01D 522

Patent

active

050372734

ABSTRACT:
A compressor impeller has a ring-shaped shroud band which is mounted at blade tips, each blade tip being enclosed in an identical radially slidable manner by a guide block, and the guide blocks being fastened to the shroud band. As a result, a narrow sealing gap and thus lower aerodynamic losses can be implemented than in conventional compressors, and the different centrifugally and thermally induced expansions of the blade and of the shroud band can be compensated.

REFERENCES:
patent: 2801076 (1957-07-01), Terrell et al.
patent: 3095138 (1963-06-01), Warnken
patent: 3556675 (1971-01-01), Howald et al.
patent: 3867060 (1975-02-01), Huber
patent: 3951612 (1976-04-01), Gates et al.
patent: 4696866 (1987-09-01), Tanaka et al.

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