F - Mech Eng,Light,Heat,Weapons – 03 – B
Patent
F - Mech Eng,Light,Heat,Weapons
03
B
F03B 11/00 (2006.01) F01D 11/10 (2006.01) F01D 25/16 (2006.01) F03B 11/06 (2006.01) F04D 29/04 (2006.01) F04D 29/08 (2006.01) F16J 15/40 (2006.01)
Patent
CA 2420773
The invention relates to the sealing of the rotor (3) of a hydraulic turbine unit against the turbine housing (2) by means of a seal. The sealing is characterised whereby a floating sealing ring (19) is arranged in the peripheral region of the rotor (3), supported on the rotor (3) and on the turbine housing (2), by means of at least one hydrostatic bearing. In one embodiment the pressurised water for supporting the sealing against the rotor is fed from the bearing for the sealing ring against the turbine housing, by means of the freely rotating sealing ring (19).
L'invention concerne l'étanchéification du rotor (3) d'une turbomachine hydraulique par rapport à la carcasse de turbine (2) au moyen d'une garniture d'étanchéité. Cette étanchéification se caractérise en ce qu'une bague d'étanchéité mobile est agencée dans la région périphérique du rotor (3). Cette bague est supportée contre le rotor (3) et contre la carcasse de turbine (2) par au moins un palier hydrostatique. Dans un mode de réalisation, l'eau sous pression prévue pour supporter la bague d'étanchéité contre le rotor est acheminée du palier de la bague d'étanchéité contre la carcasse à travers la bague d'étanchéité librement rotative (19).
Gittler Philipp
Gowling Lafleur Henderson Llp
LandOfFree
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