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1 771 161

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IPC

(21) (22)

Application

4871169/27, 1990-10-04

(22)

Actual filing date

1990-10-04

(45)

Published

1994-01-15

(72)

Inventor

Puzanov S.G.Gejkin V.A.Dokashev V.V.Verigin A.M.Smirnova G.I.Shestakov A.N.Litvinov V.S.

METHOD FOR REPAIR OF PARTS Russian patent published in 1994 - IPC

Abstract SU 1771161 A1

FIELD: metal working. SUBSTANCE: groove equalling 1.5-1.7 of width of seam cast zone is made over arc of circular weld seam of blade and rim. Impeller members are rigidly locked to each other. Segment section is cutout. Blades in impeller cutout are oriented and welded. Compensator of welding deformations is made in form of insert into clearance, and butt-welded. EFFECT: higher efficiency. 4 dwg

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SU 1 771 161 A1

Authors

Puzanov S.G.

Gejkin V.A.

Dokashev V.V.

Verigin A.M.

Smirnova G.I.

Shestakov A.N.

Litvinov V.S.

Dates

1994-01-15—Published

1990-10-04—Filed