STRAIGHT-FLOW TURBINE Russian patent published in 2005 - IPC

FIELD: turbines using kinetic energy of liquid flow.

SUBSTANCE: proposed turbine has turbine case , stay ring with cascade of stay vanes, wicket-gate mechanism with cascade of adjustable vanes, operating element with cascade of flange-mounted blades and drive shaft coupled with electric generator step-up gear, operating element chamber, and draft tube. It is also provided with straightening mechanism that has cascade of vanes, chain transmission that has sprockets and shafts; external and internal rims are made in cross-sectional areas in the form of ovals. Cascade of blades is made in the form of caterpillar cascade. Operating element blades are cylindrical in shape and hinge-joined through chain transmission whose drive sprocket is coupled with drive shaft. Flanges of operating element blades are provided with supporting rollers mounted in fixed supports and joined with chain transmission shafts at distances of two adjacent operating-mechanism blades; guides are made in the form of oval junctions joined with turbine internal rim in vicinity of their abutting against butt-ends of flanges carrying operating element blades.

EFFECT: enhanced turbine efficiency.

1 cl, 4 dwg