Abstract: Provided is a rotor for an electric generator comprising a cylindrical casing part and a connecting structure to connect the casing to a rotor shaft. The structure comprises at least one plane disc composed of a plurality of plane disc elements which comprise disc elements that engage lockingly into each other, wherein a first and a second disc element comprise a complementary shape, where the two discs meet, with at least one protrusion on the first disc element and a corresponding number of recesses of the same shape at a complementary position on the second disc element. A protrusion on the first disc element engages a recess in the other disc element, where the protrusion has a varying width with a first portion at a distal end that is broader than a second portion proximal to a base of the disc element to create a shape-permanent locking engagement.

Abstract: A wind-power unit with a wind turbine, a generator with vertical axis a supporting pillar which supports the wind turbine, and a foundation for the supporting pillar (2). The generator includes a stator which is integrated with the foundation.

Abstract: The invention relates to a wind-power unit having a turbine having a vertical turbine shaft (3), an electrical generator (6) connected to the turbine and a vertical hollow supporting pillar (2) supporting the turbine. According to the invention the material of the supporting pillar is in all essentials wood. The invention also relates to a supporting pillar for such a wind-power unit, an electric mains connected to the wind-power unit, a use of the wind-power unit and a method for the manufacture of such a supporting pillar.

Abstract: The invention relates to a wind turbine (1) with a vertical shaft (9) defining a vertical axis. The turbine (1) has a plurality of axially extending blades (2). Each blade (2) is connected to the shaft by at least one arm structure (3). According to the invention each arm structure (3) includes a radially inner section and a radially outer section connected to the inner section. The inner section includes at least three inner rod elements (8). These are connected to the shaft (9) at least there differently located shaft joints. The outer section is connected to the blade (9) at at feast one blade joint 14. The invention also relates to a wind power unit having such a turbine and to a use of the wind power unit.

Abstract: The invention relates to a power generation unit. The unit has a turbine (3), a generator (8) and an electric connection means (9-12) connecting the generator (6) to an electric network (2). According to the invention the generator (8) is a permanent magnet synchronous generator, which has a low load angle. The electric connection means includes a diode rectifier (9) for supplying DC-voltage. The invention also relates to a use of the invented power generation unit and to a method for generating electric energy.

Abstract: The invention relates to a wind turbine with vertical! axis and having a plurality of axlal{umlaut over (?)}y extending turbine blades (2). According to the invention the structure of each blade varies along the axial extension of the blade (2). The invention also rebates to the use of the wind power unit for generating.

Abstract: The invention relates to a power storage system intended to transmit power to and from a driving system of a vehicle. A power storage having a stator provided with two windings and at least one rotor provided with a magnetic-flux generating device is comprised. The rotor is connected to a flywheel intended for storage of energy. The two windings of the stator are arranged for high and low voltage, respectively. The power storage is arranged to transmit power to and from the electric apparatus as well as store energy transmitted from the electric apparatus in the flywheel.

Abstract: The invention relates to a wind-power unit having a turbine having a vertical turbine shaft (3), an electrical generator (6) connected to the turbine and a vertical hollow supporting pillar (2) supporting the turbine. According to the invention the material of the supporting pillar is in all essentials wood. The invention also relates to a supporting pillar for such a wind-power unit, an electric mains connected to the wind-power unit, a use of the wind-power unit and a method for the manufacture of such a supporting pillar.

Abstract: The invention relates to a wind turbine having a vertical turbine shaft (3). According to the invention, the turbine shaft is provided with a joint (13) so that the turbine shaft (3) consists of an upper shaft part (10) and a lower shaft part (11). The invention also relates to a wind-power unit, an electric mains and a use of the wind turbine to generate electrical energy.

Abstract: The invention relates to a wind-power unit with a wind turbine, a generator with vertical axis (8, 9, 10). A supporting pillar (2) supports the wind turbine and a foundation (3) is arranged for the supporting pillar (2). According to the invention, the stator (8, 9) of the generator (8, 9, 10) is integrated with the foundation (3). The invention also relates to an electric mains connected to a wind-power unit according to the invention. The invention also relates to a method in the production of such a foundation. According to the method, the stator is built together to a generator having the foundation. The invention furthermore relates to use of the wind-power unit to generate electrical energy.

Abstract: An assembly includes a water turbine and a rotary electrical generator, the rotor of which is connected to the turbine. The turbine has at least three axially directed blades, each blade being individually directly connected to the rotor of the generator.

Abstract: The invention relates to a wave power assembly having a hull and a linear electric generator. The rotor of the generator is connected with the hull. The stator thereof is arranged to be anchored at a sea/lake bottom. According to an embodiment of the invention, the rotor is mounted in the cross direction by means of rolling elements. These are arranged between rolling surfaces on the rotor and support surfaces of a support means. The rolling elements are arranged to roll against the rolling surfaces and the support surfaces. The invention also relates to a wave power plant built up from wave power assemblies according to the invention. Furthermore, the invention relates to a use of the wave power assembly and a method for generating electric energy.

Abstract: A wave power assembly comprising a hull and a linear electric generator. The rotor is connected to the hull and the stator is arranged to be anchored at a sea/lake bottom. The generator is provided with an electromagnetic damping means in order to keep the pulsations of the axial force exerted by the stator on the rotor at a relatively low level, which damping means comprises geometric arrangement adapted herefor of at least some one of the stator winding, the stator slots and the rotor magnets. The invention also relates to a wave power plant built up from wave power assemblies according to the invention. Furthermore, the invention relates to a use of the wave power assembly and a method for generation of electric energy.

Abstract: A wave power assembly having a hull and a linear electric generator. The rotor is connected to the hull by connection means so that lifting force is transferred from the hull to the rotor. Spring means exert a force on the rotor that is counter-directed the lifting force. The spring means is arranged to, at a motion amplitude corresponding to 50% of the maximum length of stroke of the rotor, exert a force, the size of which varies by a factor of 2.5 as a maximum. The invention also relates to a wave power plant built up from wave power assemblies according to the invention. Furthermore, the invention relates to a use of the wave power assembly and a method for the generation of electric energy.

Abstract: The invention relates to an assembly having a water turbine (2) and a rotary electrical generator (1), the rotor (4) of which is connected to the turbine (2). The turbine (2) has at least three axially directed blades (5). According to the invention, each blade (5) is individually directly connected to the rotor (4) of the generator (1). The invention also relates to a use of the invented assembly for the generation of current from underwater currents.

Abstract: A wave power assembly having a hull and a linear electric generator. The rotor is connected to the hull by connection means so that lifting force is transferred from the hull to the rotor. Spring means exert a force on the rotor that is counter-directed the lifting force. The spring means is arranged to, at a motion amplitude corresponding to 50% of the maximum length of stroke of the rotor, exert a force, the size of which varies by a factor of 2.5 as a maximum. The invention also relates to a wave power plant built up from wave power assemblies according to the invention. Furthermore, the invention relates to a use of the wave power assembly and a method for the generation of electric energy.

Abstract: A wave power assembly comprising a hull and a linear electric generator. The rotor is connected to the hull and the stator is arranged to be anchored at a sea/lake bottom. The generator is provided with an electromagnetic damping means in order to keep the pulsations of the axial force exerted by the stator on the rotor at a relatively low level, which damping means comprises geometric arrangement adapted herefor of at least some one of the stator winding, the stator slots and the rotor magnets. The invention also relates to a wave power plant built up from wave power assemblies according to the invention. Furthermore, the invention relates to a use of the wave power assembly and a method for generation of electric energy.

Abstract: The present invention relates to a wave-power unit having a floating body (3) which is connected by a connection means (4) to the rotor (7) of an electric linear generator (5). The stator (6) is anchored in the sea bed (1). In accordance with the invention the rotor (7) is permanently magnetic and the stator (6) comprises winding forming a plurality of poles distributed in the direction of movement of the rotor. The invention also relates to a wave-power plant composed of a number of wave-power units in accordance with the invention. The invention also relates to the use of the claimed wave-power unit, a method of generating electric energy, a system of components for the manufacture of a linear generator for a wave-power unit in accordance with the invention, and to a method of manufacturing such a linear generator.

Abstract: A wind-power unit has a wind turbine has an electric generator connected to the wind turbine. The stator of the generator has a winding formed of a high-voltage cable having a core of conducting material, a first layer of semiconducting material surrounding the core, an insulating layer of solid material surrounding the first layer, and a second layer of semiconducting material surrounding th solid insulation. The wind turbine has a plurality of turbine blades running vertically and being connected to a turbine shaft. The generator is arranged at the lower end of the turbine shaft. A wind-power plant; the use of a wind-power unit; and a method of generating electric power are described.

Abstract: The invention relates to a wave power assembly having a hull and a linear electric generator. The rotor of the generator is connected with the hull. The stator thereof is arranged to be anchored at a sea/lake bottom. According to an embodiment of the invention, the rotor is mounted in the cross direction by means of rolling elements. These are arranged between rolling surfaces on the rotor and support surfaces of a support means. The rolling elements are arranged to roll against the rolling surfaces and the support surfaces. The invention also relates to a wave power plant built up from wave power assemblies according to the invention. Furthermore, the invention relates to a use of the wave power assembly and a method for generating electric energy.