Structure for separating the internal areas of a high...

Details Structure for separating the internal areas of a high... Structure for separating the internal areas of a high...

F - Mech Eng,Light,Heat,Weapons

01

D

F01D 11/00 (2006.01) F02C 3/10 (2006.01) F02C 7/28 (2006.01)

Patent

CA 2580476

Convex sealing bottom (10) for a twin-shaft turbine of the type comprising a series of convex disks constrained to each other by means of a series of pins, each disk of said disks comprises an outer shaped edge which is engaged with a corresponding annular surface (71) of an inner grooved surface (72) of a ring (70) for obtaining an axial seal. The series of disks comprises three disks, a first disk (12), a second disk (13) and a third disk (14) respectively. The three disks are fixed to each other centrally by means of a series of spokes (30) and are constrained in pairs respectively by means of a series of pins which are arranged orthogonally to the three disks to minimize the relative movements of the three disks in an axial direction at the same time allowing the radial dilatations of the three disks themselves.

Fond d'étanchéité convexe (10) pour turbine à deux arbres du type comprenant une série de disques convexes contraints les uns par rapport aux autres au moyen d'une série de goupilles, chacun de ces disques présentant un bord extérieur profilé s'accouplant à une surface annulaire correspondante (71) d'une surface intérieure rainurée (72) d'un anneau (70), de manière à créer un joint axial. Cette série de disques est composée de trois disques, un premier disque (12), un deuxième disque (13) et un troisième disque (14). Ces trois disques sont fixés les uns aux autres en leur centre par une série de rayons (30) et sont contraints en paires respectives au moyen d'une série de goupilles positionnées de manière orthogonale par rapport à ces trois disques afin de limiter au maximum les déplacements rotatifs de ces derniers dans un sens axial, tout en leur permettant simultanément de se dilater dans un sens radial.

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