FIELD: machine building.
SUBSTANCE: in centrifugal compressor impeller containing main disc with integral milled blades on it and integral milled from blades rivets; cover disc with holes for rivets by means which the cover disc is secured on the bearing discs; on internal surface of the cover disc the shoulders are made, as per contour the shoulders completely coincide with the appropriate contours of the blades and create grooves between, in groves the blades are fixed, at that the middle lines of the shoulders are symmetrical to middle lines of blade contours of the bearing disc.
EFFECT: improvement of strength characteristics of the impeller, significant increasing of its service life.
10 dwg
| Title | Year | Author | Number |
|---|---|---|---|
| CENTRIFUGAL COMPRESSOR IMPELLER | 2013 |
|
RU2534646C1 |
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| CENTRIFUGAL COMPRESSOR WHEEL | 1991 |
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|
SU1477951A1 |
