摘要:
The invention relates to a device for pumping a liquid from a lower-lying level to a higher-lying level, comprising a channel running at an angle to the horizontal and a member arranged therein and driven rotatably about a shaft for the purpose of transporting the liquid, wherein the transporting member, which is provided with a number of blades, is manufactured from an - optionally fibre-reinforced - plastic. The channel can also be manufactured from a - similar - plastic, wherein the transporting member and the channel can then be manufactured integrally and can be driven rotatably together. The invention also relates to a device for generating energy from flow of a liquid from a higher-lying level to a lower-lying level, comprising a channel running at an angle to the horizontal, a converting member which is arranged therein and to be set into rotation by the liquid flow and which is provided with a number of blades, and take-off means connected to the converting member, wherein the converting member is manufactured substantially from an - optionally fibre-reinforced - plastic. The invention finally relates to a method for manufacturing such a pump device or generator device by manufacturing from plastic a rotatable member provided with a number of blades, manufacturing a channel from plastic, and installing the rotatable member in the channel.
摘要:
Device which is arranged to be used as a generator, comprising a tubular housing (6) with a feed opening and a discharge opening, at least one rotor (7, 13) arranged to be driven at a high rotation speed arranged in the tubular housing (6), wherein the rotor (7, 13) comprises a hub (10, 14) on which a number of blades (11, 15) are arranged characterized in that the blades (11, 15) are spiral-shaped and increase in effective surface area in the direction (P) in which the water is guided through the device.
摘要:
The invention relates to a sinking pump, comprising: - a tubular housing with a feed opening and a discharge opening; - at least one drivable pump rotor arranged in the tubular housing;
wherein the pump rotor comprises a cylindrical casing, which casing lies sealingly against the inner wall of the tubular housing. The invention further relates to a pumping station for pumping surface water from a lower level to a higher level, comprising a sinking pump according to any of the foregoing claims.
摘要:
The invention relates to a sinking pump, comprising: - a tubular housing with a feed opening and a discharge opening; - at least one drivable pump rotor arranged in the tubular housing;
wherein the pump rotor comprises a cylindrical casing, which casing lies sealingly against the inner wall of the tubular housing. The invention further relates to a pumping station for pumping surface water from a lower level to a higher level, comprising a sinking pump according to any of the foregoing claims.