TIP-FORMING MEMBER FOR A WHEEL OF A HYDRAULIC MACHINE, AND WHEEL AND HYDRAULIC MACHINE WHICH ARE EQUIPPED WITH SUCH A MEMBER

摘要

This member (4) can be attached to the crown (12) of a wheel (1) of a hydraulic machine. It is provided with a skirt (42) of which a surface (421) is able to be arranged in the continuation of a wet surface (121) of the crown. This member is equipped with at least one fin (43) arranged radially inside the skirt (42) and projecting axially (h) from the skirt (42) in the downward direction.