Sealing means between rotor and housing in a water turbine

Details Sealing means between rotor and housing in a water turbine Sealing means between rotor and housing in a water turbine

F - Mech Eng,Light,Heat,Weapons

03

B

F03B 11/00 (2006.01) F01D 5/20 (2006.01) F16J 15/32 (2006.01)

Patent

CA 2655939

Water turbine of the reaction type, such as a Francis or Kaplan turbine, comprising a rotor (2) and a surrounding housing (5), with sealing means (10,20) between the rotor and the housing. The sealing means comprises brush seals (11,12,13a,b) located at a radial distance from the rotor axis (1) being a major proportion of the maximum radial dimension of the rotor (2).

La présente invention concerne une turbine hydraulique de type à réaction, telle qu'une turbine Francis ou Kaplan, comportant un rotor (2) et un boîtier (5) renfermant le rotor, avec un moyen d'étanchéité (10, 20) entre le rotor et le boîtier. Le moyen d'étanchéité comporte des joints à brosse d'étanchéité (11, 12, 13a,b) disposés à une distance radiale de l'axe du rotor (1) qui représente une partie majeure de la dimension radiale maximale du rotor (2).

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