Fluid reaction surfaces (i.e. – impellers) – Specific working member mount – Welded – cemented or fused
Patent
1998-03-19
1999-03-02
Verdier, Christopher
Fluid reaction surfaces (i.e., impellers)
Specific working member mount
Welded, cemented or fused
416233, F01D 530
Patent
active
058761837
ABSTRACT:
A blade for a rotor, especially a turborotor, is made of two hollow blade foot sections having matching seam surfaces to form a hollow blade with a thickened foot that is butt-welded with its blade foot sole (7) to an integral welding stub of a rotor hub or disk. The two hollow blade foot sections are soldered to each other along a radially outer seam section (5) between the seam surfaces and welded to each other along a radially inner seam section (6) between the seam surface. The radially inner seam section extends from said blade foot sole. The welded seam normally ends in the thickened blade foot section (6) and is thus shorter than the soldered seam section (5).
REFERENCES:
patent: 3566493 (1971-03-01), Poucher et al.
patent: 3627443 (1971-12-01), Pirzer
patent: 4526312 (1985-07-01), Goss et al.
patent: 4704066 (1987-11-01), Weissbacher
patent: 4784573 (1988-11-01), Ress, Jr.
patent: 5332360 (1994-07-01), Correia et al.
patent: 5429877 (1995-07-01), Eylon
patent: 5511949 (1996-04-01), Thore
patent: 5593085 (1997-01-01), Tohill et al.
Friedrich Horst
Furlan Roberto
Knott Ulrich
Fasse W. F.
Fasse W. G.
MTU Motoren - und Turbinen-Union Muenchen GmbH
Verdier Christopher
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