Abstract: Gas-cooled rotor for a turbo-generator with air gap pick up. Each rotor slot comprises a conductor bundle with a large number of tangentially extending cooling channels, which are connected to an inlet chamber (17) on one side of the conductor bundle and an outlet chamber (18) on the other side of the conductor bundle. The conductors of the conductor bundle are fixed with respect to each other by means of a plurality of radial rods (8) embedded into the conductor bundle, and a small, radially inner portion and a small, radially outer portion of the conductor bundle are fixed in the tangential direction by means of an inner (12) and an outer (10) spacing device, respectively. The slot wedge member is provided with a plurality of substantially evenly distributed inlet channels (19) and intermediate, substantially evenly distributed outlet channels (21).

Abstract: A gas-cooled rotor assembly for use with a turbogenerator type device, wherein a coil side is positioned within a winding slot formed in the rotor core, such that a pair of cooling channels extend between opposite sides of the coil side and adjacent wall portions of the winding slot. Positioning devices of insulating material are positioned adjacent to radially inner-most and outer-most end portions of the coil side, with the positioning devices electrically insulating the coil side from confronting surface portions of the slot walls, while at the same time transmitting tangential forces therebetween.

Abstract: The invention relates to a stator (1), the coil ends (5+6) of which are supported by means of at least one pressure hose (12, 13, 14) arranged along the circumference of the stator, said pressure hose running zig-zag between radially outer (8) and radially inner (9) surfaces of the coil ends (5+6).

Abstract: This invention relates to a new and useful rotor assembly for an electrical device, such as a turbo-generator, and comprising; a core of magnetic material with at least one winding of a hollow conductor surrounding the core and rotatably supported by a pair of flanged end shafts, with a non-magnetic spacing piece positioned between the core and each of the flanged end shafts, and a prestressed cylindrical casing surrounding the core for retaining the coil winding in place against centrifugal force generated during operation of the rotor assembly.