Highly slenderness rotor

Details Highly slenderness rotor Highly slenderness rotor

2007-04-10

2011-11-29

Look, Edward (Department: 3745)

Fluid reaction surfaces (i.e., impellers)

Rotor having flow confining or deflecting web, shroud or...

Axially extending shroud ring or casing

C416S191000, C416S19600R, C416S203000, C416S500000

Reexamination Certificate

active

08066488

ABSTRACT:
The present invention relates to a rotor for gas or steam turbines having a disk (1), an outer cover (2) and a plurality of blades (3). The disk (1) defines the portion of less diameter of the rotor and has an inner surface configured to be coupled on a shaft (100) of the turbine or connected to an axially adjacent disk (1′, 1″); an outer surface configured for housing a plurality of blades (3). The outer cover (2) defines the portion of greater diameter of the rotor. The blades (3) have a root (31) configured to be coupled on the disk (1) and a tip (32) opposite to the outer cover (2). Between these blades there is a plurality of blades (3) welded together at the tip (32) to form groups of blades (3a) and individual blades (3b) intercalated between groups of blades (3a).

REFERENCES:
patent: 1639247 (1927-08-01), Zoelly et al.
patent: 2308426 (1943-01-01), Rettaliata
patent: 5211540 (1993-05-01), Evans
patent: 5232339 (1993-08-01), Plemmons et al.
patent: 5540551 (1996-07-01), Heinig
patent: 6371727 (2002-04-01), Stangeland et al.
patent: 835177 (1958-03-01), None
patent: 1 287 223 (1972-08-01), None
patent: 2 251 034 (1992-06-01), None

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