| ALSTOM HYDRO FRANCE Patent applications |
| Patent application number | Title | Published |
|---|
| 20120119628 | ELECTRICAL MACHINE COMPRISING A ROTOR, A STATOR AND AN AIR GAP BETWEEN ROTOR AND STATOR - An electrical machine configured to operate at a power range of several MVA includes a rotor is configured to rotate about a rotor axis. The rotor includes a rotor lamination stack. A stator includes a stator lamination stack concentrically surrounding the rotor lamination stack, wherein a ring-like air gap separates the rotor lamination stack from the stator. An air gap monitoring device extends through the air gap in an axial direction and is configured to detect at least one of a change in a rotor geometry and a presence of debris in the air gap. | 05-17-2012 |
| 20120112601 | ROTATING ELECTRIC MACHINE - A rotating electrical machine includes a rotor configured to rotate about an axis. The rotor includes a rotor lamination stack having a plurality of sheets pressed into a composite assembly in an axial direction and being radially divided into an inner mechanical part and an outer electrical part. A rotor winding is disposed in the electrical part of the rotor lamination stack. A stator is concentrically surrounding the rotor. A plurality of shear bolts is disposed in the mechanical part and configured to reach through the rotor lamination stack. A plurality of further bolts is disposed in the electrical part, the plurality of shear bolts and a plurality of further bolts being configured to press the plurality of sheets in the axial direction. | 05-10-2012 |
| 20120104896 | ROTATING ELECTRIC MACHINE - A rotating electric machine includes a rotor configured to rotate about an axis. The rotor includes a rotor laminate stack having layered laminations pressed in an axial direction to form a composite, the rotor laminate stack being radially divided into an inner mechanical region and an outer electrical region. A rotor winding is disposed in the electrical region of the rotor laminate stack. A stator concentrically surrounds the rotor. A press plate is configured to press the layered laminations in the axial direction, the press plate being radially divided into a separate inner press plate and a separate outer press plate so as to correspond to the radial division of the rotor laminate stack. | 05-03-2012 |
| 20110293400 | INSTALLATION FOR CONVERTING HYDRAULIC ENERGY, AND A METHOD OF CONTROLLING SUCH AN INSTALLATION - The invention relates to a unit comprising a hydraulic turbine ( | 12-01-2011 |
| 20110271675 | Installation for Converting Hydraulic Energy into Mechanical or Electrical Energy - The invention relates to a facility for converting water power into mechanical or electrical energy, including at least one hydraulic turbine, a water reservoir (R), and a pipe ( | 11-10-2011 |
| 20110266912 | ROTATING ELECTRIC MACHINE WITH A STATOR WINDING COMPRISING A PLURALITY OF COILS AND METHOD FOR MANUFACTURING SAME - A rotating electric machine is provided and includes a rotor rotating around an axis, and a stator concentrically surrounding the rotor, the stator being equipped with a stator winding, which includes a plurality of coils. Each of the coils is wound in a series of adjacent single coils around a respective series of adjacent teeth distributed along the inner circumference of a laminated stator core and extending in axial direction. All of the single coils of each coil are wound in an uninterrupted fashion with one continuous cable. | 11-03-2011 |
| 20110266908 | ROTATING ELECTRIC MACHINE, ESPECIALLY SYNCHRONOUS PERMANENT MAGNET MACHINE - A rotating electric machine, especially synchronous permanent magnet machine, is provided. The machine includes a rotor with a given number of magnets distributed along the circumference and a given number of rotor pole pairs, and further comprising a stator with a given number of stator pole pairs and a given number of stator slots. The efficiency and the power of the machine are improved by making the number of stator pole pairs independent of the number of rotor pole pairs. | 11-03-2011 |
| 20110266896 | ROTATING ELECTRIC MACHINE - A rotating electric machine is provided and includes a rotor rotating around an axis and a stator concentrically surrounding the rotor. The stator is made up of a plurality of packages of laminations and includes a plurality of axial slots distributed along the inner circumference of the stator for receiving a stator winding. Cooling elements are provided within the stator to remove heat from the stator by a flow of cooling air flowing through said stator. The cooling efficiency and stator design are improved by providing radial and axial channels for the cooling air at the slots by combining packages of laminations with different shapes of the slot cut-outs. | 11-03-2011 |
| 20110266811 | SYNCHRONOUS GENERATOR, ESPECIALLY FOR WIND TURBINES - A synchronous generator is provided. The generator includes a rotor, which rotates around a machine axis and is concentrically surrounded by a stator with a stator winding. A plurality of permanent magnets and pole pieces are alternatingly arranged at the rim of the rotor with the permanent magnets being oriented in an essentially tangential direction. Torque and power characteristic of the generator are improved by alternating pole pieces and pairs of permanent magnets. The permanent magnets each have a rectangular cross section in the axial direction, the pole pieces each have a symmetric trapezoidal cross section in the axial direction with the symmetry plane of the trapezoid extending radially through the machine axis and the longer parallel side lying outside. The two permanent magnets of each pair of permanent magnets are separated from each other by an intermediate wedge, which corresponds with its cross section to the trapezoidal pole pieces. | 11-03-2011 |
| 20110222802 | RING FOR A HYDROSTATIC OR HYDRODYNAMIC BEARING, A HYRAULIC MACHINE EQUIPPED WITH SUCH A RING, AND A METHOD OF MOUNTING SUCH A RING ON A SHAFT - The invention relates to a ring ( | 09-15-2011 |
| 20110206518 | FRANCIS-TYPE RUNNER FOR A HYDRAULIC MACHINE, HYDRAULIC MACHINE INCLUDING SUCH A RUNNER, AND METHOD FOR ASSEMBLING SUCH A RUNNER - The present invention relates to a Francis runner for a hydraulic machine that comprises a belt with a rotational symmetry about a central axis of the runner, a ceiling with a rotational symmetry about the axis, and a plurality of blades ( | 08-25-2011 |
| 20110110764 | HYDRAULIC MACHINE, AND AN ENERGY CONVERSION INSTALLATION INCLUDING SUCH A MACHINE - This hydraulic machine comprises a wheel supported by a shaft ( | 05-12-2011 |
| 20110103951 | FRANCIS-TYPE HYDRAULIC TURBINE WHEEL EQUIPPED WITH A TIP-FORMING MEMBER, AND METHOD OF REDUCING FLUCTUATIONS USING SUCH A WHEEL - This wheel comprises a plurality of vanes ( | 05-05-2011 |
| 20110020124 | TIP-FORMING MEMBER FOR A WHEEL OF A HYDRAULIC MACHINE, AND WHEEL AND HYDRAULIC MACHINE EQUIPPED WITH SUCH A MEMBER - This member ( | 01-27-2011 |
| 20110008150 | WHEEL FOR A HYDRAULIC MACHINE, A HYDRAULIC MACHINE INCLUDING SUCH A WHEEL, AND AN ENERGY CONVERSION INSTALLATION EQUIPPED WITH SUCH A HYDRAULIC MACHINE - The invention relates to a wheel (R) of the Francis type that comprises a ring ( | 01-13-2011 |
| 20100303615 | HYDRAULIC MACHINE, AN ENERGY CONVERSION INSTALLATION INCLUDING SUCH A MACHINE, AND A METHOD OF ADJUSTING SUCH A MACHINE - This hydraulic machine has a wheel ( | 12-02-2010 |
| 20100272555 | HYDRAULIC MACHINE, AN ENERGY CONVERSION INSTALLATION INCLUDING SUCH A MACHINE, AND THE USE OF A HYDROSTATIC LABYRINTH-BEARING IN SUCH A MACHINE - This hydraulic machine ( | 10-28-2010 |
| 20100260622 | ENERGY CONVERSION HYDRAULIC PLANT AND METHOD FOR CONTROLLING SUCH PLANT - The invention relates to a hydraulic plant (I) that defines a path ( | 10-14-2010 |
| 20100254814 | PELTON TURBINE WHEEL, METHOD FOR MAKING SAME AND PELTON TURBINE INCLUDING SUCH WHEEL - The invention relates to a Pelton turbine that comprises a plurality of sub-assemblies arranged about the rotation axis of the wheel and each including a bucket ( | 10-07-2010 |
| 20100129200 | PELTON HYDRAULIC MACHINE INCLUDING MEANS FOR INJECTING A FLOW DRAWN FROM A MAIN FLOW - The invention relates to a Pelton machine through which a main flow (E) of water passes, including at least one Pelton turbine ( | 05-27-2010 |
| 20100129198 | HYDRAULIC MACHINE INCLUDING MEANS FOR INJECTING A FLOW DRAWN FROM A MAIN FLOW - The invention relates to a hydraulic machine through which a main flow (E) of water passes, including at least one turbine blade profile ( | 05-27-2010 |
| 20100013232 | Solid particle separator device and a hydraulic installation including such a device - The device ( | 01-21-2010 |
| 20090257864 | Hydraulic machine member with an abrasion-resistant reinforced edge and a hydraulic machine using this member - This hydraulic machine member has at least one flow of water passing through it, and comprises at least one wetted surface extending between two edges of the member, at least one of the edges of the member and part of the adjacent wetted surface being reinforced and formed by at least one removable solid element made from material having a high resistance to abrasion. | 10-15-2009 |
