FIELD: engines and pumps.
SUBSTANCE: rotor blades are made of separate discs or solid bodies by means of metal removal or heat treatment and further plastic deformation so that the desired setting angle is obtained.
EFFECT: rotors or stators have small specific weight at simultaneous high strength and good processibility.
3 cl
| Title | Year | Author | Number |
|---|---|---|---|
| ROTOR OR STATOR OF TURBOMOLECULAR PUMP | 2007 |
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