F - Mech Eng,Light,Heat,Weapons – 03 – B
Patent
F - Mech Eng,Light,Heat,Weapons
03
B
F03B 3/04 (2006.01) F03B 3/06 (2006.01)
Patent
CA 2434761
A hydraulic turbine with increased power capacities for new or existing hydroelectric installations. The turbine has a larger axial runner wheel (2') and a reshaped runner ring (34) peripherally extending around the runner wheel. A draft tube (12') with a larger elbow section extends on a downstream side of the runner ring. (34). A water supply port (42) extends around a rotation axis (14) of the r unner wheel (2') on an upstream side of the runner ring (34), and is adapted to produce a centripetal water flow swirling around the rotation axis of the runner wheel. A turning passageway (16) extends between the water supply port (42) and the runner ring (34), and is adapted to guide and redirect the centripetal water flow in a substantially axial direction of the runner wheel. An axial distributor (18) extends between the turning passageway (16) and the runner ring (34).
Cette invention a trait à une turbine hydraulique à capacité énergétique accrue, conçue pour des installations hydroélectriques déjà existantes ou nouvelles. Cette turbine est équipée d'une roue de plus grande taille (2') et d'un anneau mobile reprofilé (34) s'étendant autour de la roue mobile. Un tube de circulation (12'), ayant une section coudée de plus grande taille part en aval de l'anneau mobile (34). Un orifice d'amenée d'eau (42), qui s'étend autour d'un axe de rotation (14) de la roue mobile (2') en amont de l'anneau mobile (34), est conçu pour produire un flux centripète d'eau tourbillonnant autour de l'axe de rotation de la roue mobile. Une échappée tournante (16), qui se trouve entre l'orifice d'amenée d'eau (42) et l'anneau mobile (34), est conçue pour guider et réorienter le flux centripète d'eau dans une direction sensiblement axiale de la roue mobile. Un distributeur axial vient se placer entre le passage tournant (16) et l'anneau mobile (34).
Alstom Canada Inc.
Robic
LandOfFree
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