Turbine or compressor device and method for assembling the...

F - Mech Eng,Light,Heat,Weapons – 01 – D

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Details

F01D 25/16 (2006.01) F01D 5/02 (2006.01) F01D 25/28 (2006.01) F02C 7/06 (2006.01) F16F 15/32 (2006.01)

Patent

CA 2445756

The invention relates to a turbine or compressor device comprising a rotor (1), which comprises a first rotor section (2) having at least one disc-shaped or annular element (3) which has a multiplicity of blades (4) arranged in series on a circumferential path for guiding a gas flow, and a second, elongate rotor section (5) which projects at right-angles from the rotor disc (3) and which comprises a rotor shaft (6) connected to the rotor disc. A first and second bearing (8, 9) are fitted at a distance from one another along the rotor shaft (6),and the first bearing (8) is arranged closer to the rotor disc (3) than the second bearing (9). The bearing holder (25) of the first bearing (8) has a greater outside width than other than other components (9, 14, 15, 31) arranged on the rotor shaft (6) between the first bearing (8) and the free end of the rotor shaft (7). The invention further relates to a method for assembling the device.

L'invention concerne un dispositif à turbine ou à compresseur comportant un rotor (1) présentant une première section de rotor (2) composée d'au moins un élément (3) en forme de disque ou d'anneau, contenant une pluralité d'ailettes (4) disposées en séries dans une trajectoire périphérique destinée à guider un flux de gaz, et une deuxième section de rotor allongée (5) s'étendant perpendiculairement à partir du disque de rotor (3), composée d'un arbre de rotor (6) relié au disque de rotor. Un premier et un deuxième palier (8, 9) sont disposés à distance l'un de l'autre le long de l'arbre de rotor (6), et le premier palier (8) est disposé plus près du disque de rotor (3) que le deuxième palier (9). Le support de palier (25) du premier palier (8) présente une largeur extérieure supérieure à celle des autres composants (9, 14, 15, 31) disposés sur l'arbre rotor (6) entre le premier palier (8) et l'extrémité libre de l'arbre de rotor (7). L'invention concerne également un procédé d'assemblage dudit dispositif.

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