Adhesive bonding and miscellaneous chemical manufacture – Methods – Surface bonding and/or assembly therefor
Reexamination Certificate
2007-06-01
2010-12-14
Nguyen, Khanh (Department: 1791)
Adhesive bonding and miscellaneous chemical manufacture
Methods
Surface bonding and/or assembly therefor
C029S402040, C029S402180
Reexamination Certificate
active
07850807
ABSTRACT:
The invention relates to power engineering, in particular to a method for restoring a radial clearance between the stator and rotor parts of a turbogenerating set during reparation of the flow section thereof. The inventive method for restoring a radial clearance between the stator and rotor parts of a turbogenerating set, consists in mounting a temporary shroud, which is made of a sheet material and the thickness of which corresponds to a clearance size, on the rotor blades of a demounted rotor, in fixing a protective cover made of a composite material to said shroud, in applying a polymer sable epoxy resin material to the internal surface of the stator and to the protective cover of the blade shroud, in mounting the rotor in the stator and, said resin being polymerized, in removing the shroud and excess of resin, projected in the axial direction during said mounting, from the rotor Said invention makes it possible to reduce labor input for the turbogenerating set maintenance and repair.
REFERENCES:
patent: 5935360 (1999-08-01), Griggs
patent: 2004/0231155 (2004-11-01), Le Saint et al.
Orberg Aleksey Nikolaevich
Snegurov Sergei Nikolaevich
Sudarev Vladimir Borisovich
Tretyakov Sergey Ivanovich
Blades John
Meyer Jerald L.
Nguyen Khanh
The Nath Law Group
Zakrytoe Aktsionernoe Obshchestvo “ORMA”
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