F - Mech Eng,Light,Heat,Weapons – 03 – B
Patent
F - Mech Eng,Light,Heat,Weapons
03
B
F03B 1/02 (2006.01)
Patent
CA 2703984
The invention relates to a Pelton turbine that comprises a plurality of sub-assemblies arranged about the rotation axis of the wheel and each including a bucket (111) and an anchoring leg (112). At least one blocking pin (13) is provided in a direction (X13) parallel to the rotation axis (X1) of the wheel between two adjacent anchoring legs (112, 112'), wherein said pin is inserted into two housings (1126, 1127) respectively formed in the two anchoring legs (112, 112'). According to the method of the invention, the blocking pin (13) is placed by inserting the same into the two housings (1126, 1127) of two adjacent anchoring legs (112, 112'). The pins are placed into the housings with a clearance, thereby allowing the relative sliding of the anchoring legs (112, 112') before blocking them with the pins (13).
Cette roue de turbine Pelton comprend plusieurs sous-ensembles répartis autour d'un axe (le rotation de la roue et comprenant chacun un auget (111) et un pied d'ancrage (112). Au moins un pion de blocage (13) est disposé, selon une direction (X13) parallèle à l'axe (X1) de rotation (le la roue, entre deux pieds d'ancrage adjacents (112, 112'), cc pion étant engagé à la fois dans deux logements (1126, 1127) ménagés respectivement dans les deux pieds d'ancrage (112, 112'). Selon le procédé de l'invention, on dispose le pion de blocage (13) en l'engageant dans les deux logements (1126, 1127) de deux pieds d'ancrage adjacents (112, 111). Les pions sont disposés dans les logements avec jeu, ce qui autorise le glissement relatif des pieds d'ancrage (112, 112') en vue (le leur calage par les pions (13).
Bertea Jean-Francois
Bouvet Yves
Alstom Hydro France
Robic
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