Patent application number | Description | Published |
20090309367 | ROTATABLE ENERGY GENERATION UNIT FOR GENERATING ELECTRIC ENERGY FROM A WATER FLOW - The invention relates to a rotatable power generation plant for generating electric power from a flow of water, comprising:
| 12-17-2009 |
20100019499 | UNDERWATER POWER STATION AND METHOD FOR OPERATING AN UNDERWATER POWER STATION - A method an apparatus for operating an underwater power plant including a support structure; at least one turbine; at least one electric machine configured to be operated as a generator or a motor, the at least one electric machine being in an at least indirect drive connection with the at least one turbine and the at least one electric machine in a motive operation is configured to drive the at least one turbine to produce a propulsive power; and a spacer element between the at least one turbine and the support structure, wherein the at least one turbine is attached to one end of the spacer element and a pivot joint to the support structure is attached to an opposing end of the spacer element, a linkage point of the pivot joint having an eccentricity which is a lateral offset to a force action line of the propulsive power. | 01-28-2010 |
20100052325 | ENERGY GENERATION PLANT DRIVEN BY WIND OR WATER CURRENTS - Power generation plant for obtaining electrical power from a water or air flow includes a turbine; an electrical generator, having a coaxial configuration of a rotor and a stator. The rotor is an external rotor and part of an annular support structure for the turbine. The stator is housed in a stator housing which is sealed to the ambient medium and a wall area of the sealed stator housing running in the area of the gap between rotor and stator so that the rotor is situated radially outside the sealed stator housing and the magnetic interaction between rotor and stator occurs through this wall area. A mount for the annular support structure includes the rotor. The mount is situated adjoining the gap between the rotor and stator and is supported on the external circumference of the sealed stator housing. | 03-04-2010 |
20100201129 | IMMERSIBLE ENERGY GENERATION INSTALLATION - A submersible power generation plant includes a water turbine standing freely on a support structure in an ambient flow; an electric generator which is driven at least indirectly by the water turbine;
| 08-12-2010 |
20100225114 | HYBRID BEARING AND METHOD FOR THE PRODUCTION THEREOF - The invention relates to a hybrid bearing, comprising:
| 09-09-2010 |
20100295309 | SUBMERSIBLE POWER GENERATING PLANT, DRIVEN BY A WATER FLOW - The invention relates to an energy generating system for obtaining electrical energy from a water flow, comprising: a rotating unit ( | 11-25-2010 |
20110155682 | LIFTING DEVICE FOR THE INSTALLATION AND SERVICE OF AN UNDERWATER POWER PLANT - The invention relates to a lifting device for placing and/or lifting a turbine-generator unit of an underwater power plant onto or off of a support structure, comprising a submersible component having a transverse centering device and a gripping device; the transverse centering device causing lateral centering of the submersible component relative to the turbine-generator unit by a support on the support structure; and the gripping device comprising a movable clamping element for the detachable securing of the turbine-generator unit. | 06-30-2011 |
20110170954 | SUBMARINE POWER STATION AND ASSEMBLY THEREOF - The present invention relates to an underwater power plant for obtaining energy from a water current, comprising
| 07-14-2011 |
20110249924 | PILLOW BLOCK FOR A SEGMENTED MEDIA-LUBRICATED PLAIN BEARING - The invention relates to a pillow block ( | 10-13-2011 |
20110260458 | TUBULAR TURBINE GENERATOR UNIT - The invention concerns a tubular turbine generator unit including
| 10-27-2011 |
20110316282 | UNDERWATER POWER PLANT HAVING REMOVABLE NACELLE - The invention relates to an underwater powerplant, comprising
| 12-29-2011 |
20120056424 | METHOD AND DEVICE FOR DECELERATING AN UNDERWATER POWER STATION - The invention concerns a method for the operation of an underwater powerplant comprising a water turbine for purposes of absorbing kinetic energy from a flow of water; an electrical generator with converter feed, whose generator rotor is connected in a torsionally rigid manner with the water turbine, wherein the invention is characterised in that in normal operation a first frequency converter is used for purposes of converter feed, and in the braking operation at least one second frequency converter, or one component of a second frequency converter, is connected into the circuit and synchronised with the first frequency converter, in order to execute with the latter in a combined manner a converter feed to the electrical generator, which generates a generator torque braking the water turbine. | 03-08-2012 |
20120228878 | Tidal Power Plant and Method for the Construction Thereof - The invention relates to a tidal power plant, comprising a machine nacelle having a nacelle housing; a water turbine, which is part of a revolving unit, wherein the revolving unit is supported on the nacelle housing by means of a sliding bearing arrangement comprising a plurality of bearing elements. The invention is characterised in that the nacelle housing comprises at least one load-bearing concrete part and the bearing elements are adjustably fastened to the concrete part or to a bearing support cast into the concrete part. | 09-13-2012 |
20120272614 | Tidal Power Plant and Method for the Creation Thereof - The invention relates to a tidal power plant, comprising a turbine, which rotates on a carrying element; a foundation structure, on which the carrying element is supported on at least one coupling device, an upper part of the coupling device that is part of the carrying element being detachably operatively connected to a lower part of the coupling device that is part of the foundation structure in the installed state, wherein the invention is characterized in that the carrying element is individually adapted to the orientation of the lower part of the coupling device existing after the foundation structure has been created. | 11-01-2012 |
20130043623 | Plain Bearing Having a Hard/Soft Pairing - The invention relates to a plain bearing for an underwater power plant, comprising at least one plain bearing segment for forming a first plain bearing shell; at least one running element of a second plain bearing shell, the running element forming the counter bearing surface to the plain bearing segment, the sliding surface of the running element having a higher hardness than the sliding surface of the plain bearing segment; a carrying element for the running element; characterized in that an intermediate layer having an adjustable plastic deformability is arranged between the running element and a carrying element. | 02-21-2013 |
20130088014 | WATER TURBINE - A hydroelectric power station has an energy unit including a turbine and a generator. The impeller of the turbine includes an impeller ring and turbine blades. The radially outer ends of the turbine blades are fixed to the inner surface of the impeller ring, and the radially inner ends of the turbine blades are free and together form a central passage. The impeller ring is surrounded by the generator and acts as a bearing therefor. | 04-11-2013 |
20130140825 | RUN-OF-RIVER POWER PLANT - The invention concerns a run-of-river power plant with the following components or features:
| 06-06-2013 |
20130322795 | Radial Bearing for Mounting a Shaft - The invention relates to a radial bearing for mounting a shaft, comprising the following features:
| 12-05-2013 |
20140117667 | MARINE CURRENT POWER PLANT AND A METHOD FOR ITS OPERATION - The invention relates to a method for operating a marine current power plant, comprising a water turbine with several rotor blades arranged as buoyancy rotors, an electric generator which is driven at least indirectly by the water turbine, wherein the water turbine is guided for power limitation in an overspeed range above a power-optimal tip speed ratio. The water turbine is adjusted to the immersion depth of the marine current power plant in such a way that cavitation occurs on at least one rotor blade section in the overspeed range from a cavitation tip speed ratio threshold which lies below a tip speed ratio associated with a runaway speed, and the water turbine is operated for load limitation at tip speed ratios which lie above the cavitation tip speed ratio threshold. | 05-01-2014 |