| 摘要 |
A helical turbine assembly capable of providing high speed unidirectional rotation under a multidirectional ultra low-head fluid flow is disclosed. Th e assembly comprises an array of helical turbine units (304) arranged vertical ly or horizontally. Each turbine unit comprises a plurality of helical blades (302) having an airfoil profile. The modules may be mounted to rotatable shafts (322) supported by lightweight structures (316, 324) anchored by gui wires (318, 326) to the ground. The helical turbine (400) can also provide ship (406) propulsion by utilizing the power of ocean waves. In a further embodiment, a cylindrical distributor (206) is provided in the helical turbi ne to channel the fluid flow to the blades of the turbine. The helical turbine with distributor may be used to lift or lower a body (504) either being submerged into a fast stream or dragged in the fluid. The turbine may also include two or more rings of helical blades (220, 222).
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