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2 118 718

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IPC

(21) (22)

Application

96113493/06, 1996-06-27

(22)

Actual filing date

1996-06-27

(45)

Published

1998-09-10

(72)

Inventor

Silaev B.M.Davydov V.A.Silaev A.B.Nikiforov A.A.

(73)

Holder

Silaev Boris MikhajlovichDavydov Vasilij AlekseevichSilaev Andrej BorisovichNikiforov Anatolij Aleksandrovich

METHOD OF MANUFACTURE OF IMPELLER OF BLADED HYDRAULIC MACHINE Russian patent published in 1998 - IPC

Abstract RU 2118718 C1

FIELD: manufacture of centrifugal pumps, compressors and fans. SUBSTANCE: connection of disks 1 and 2 and blades 3 which are made from different materials is effected through change of form of projections 5 on faces 4 of blades 3. Yield point of one of disks exceeds that of material of blades 3. Upsetting is effected at preliminary heating to melting point of material of projections 5. EFFECT: facilitated procedure of manufacture. 4 cl, 5 dwg

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RU 2 118 718 C1

Authors

Silaev B.M.

Davydov V.A.

Silaev A.B.

Nikiforov A.A.

Dates

1998-09-10—Published

1996-06-27—Filed