The present invention provides a rotating electric machine comprising: a stator; a rotor disposed in such a manner that the outer peripheral surface of the rotor faces the inner peripheral surface of the stator; and a plurality of coil supports that support between poles of a coil forming the rotor, wherein the coil supports are detachably configured with respect to the rotor, at least one of the coil supports is provided with a fin formed of a member different from that of the coil support, and the fin is provided in such a manner that a windway through which a swirl flow occurring with the rotation of the rotor passes is formed between the coil and the fin.

A method of manufacturing a coil support member in which a thermosetting or thermoplastic material is introduced into a mold cavity and hardened, wherein one or more components are positioned within the mold cavity during the manufacturing process before the thermosetting or thermoplastic material is introduced, the components are then embedded in the thermosetting or thermoplastic material and form an integral part of the coil support member, and one or more functional filler materials are added to the thermosetting or thermoplastic material to improve the thermal matching between the integral components and the thermosetting or thermoplastic material.

The present invention relates to a rotor for a rotary electric machine, extending along a longitudinal axis, including: projecting poles having pole shoes, and at least one internal cooling channel extending axially along at least one pole shoe.

The invention relates to a component (30) for lining a slot (7) that is formed between two poles of a rotor core (2) of a rotor (1) and that extends axially between two end faces (9) of the rotor core (2), having a slot insulation element (15) for electrically insulating winding sections, arranged in the slot (7), of windings (45) of the rotor (1) from the rotor core (2), which slot insulation element has two side regions (21) for resting on slot edges (16) of the slot (7) and a base region (22) to be arranged so as to overlap with a slot base (17) of the slot (7), wherein a bottom (26), facing the slot base (17), of the base region (22) of the slot insulation element (15) has an axially extending notch (27) and the component (30) has a heat sink (29) having at least one cooling fluid-carrying cooling channel (33) for cooling the winding sections arranged in the slot insulation element (15), which heat sink is arranged in the notch (27) of the slot insulation element (15) so as to be arranged on the slot base (17) and is mechanically connected to the slot insulation element (15). (FIG. 8)

A rotating electric machine 100 having a rotor 1, a stator 2, and a coil 3 including a coil conductor 31 wound around teeth 21b provided on at least one of the rotor 1 and the stator 2 includes a spacer section 42 configured to extend along a slot S formed between the teeth 21b and to be inserted between turns of the coil conductor 31 to define a gap G between the turns, and a cooling medium supply section 6 configured to distribute a cooling medium in the gap G. A notched section 421 cut out in such a manner that a widthwise dimension of the spacer section 42 is relatively short is provided in a middle of an extension of the spacer section 42.

The invention relates to a rotor for a rotary electric machine, extending along a longitudinal axis and including: an assembly of electrical sheets forming projecting poles, two projecting poles defining an interpolar region therebetween; and at least two internal cooling channels formed in the assembly of electrical sheets in at least one interpolar region.

A method for manufacturing a main rotor for a generator is provided. The method includes printing at least part of a rotor shaft by a three-dimensional printing process. The step of printing at least part of the rotor shaft includes printing a plurality of closed outlets and a plurality of open outlets. A rotor core is printed by the three-dimensional printing process. The step of printing the rotor core includes printing a plurality of liquid coolant conduits that extend through the rotor core and fluidly connecting the plurality of liquid coolant conduits to the plurality of closed openings.

A rotor rim for an electric machine, having at least two solid annular plates and axially oriented tension bolts connecting the annular plates with each other, wherein on the outer circumference of annular plates grooves are arranged for accommodating rotor poles, for each rotor pole at least two tension bolts are provided, between each two adjacent annular plates a layer of intermediate ring elements is arranged, each layer includes exactly one intermediate ring element per rotor pole, intermediate ring elements are arranged such that between each two adjacent intermediate ring elements a ventilation duct is formed which extends from the inside of the rotor rim to the outer circumference of the rotor rim where it opens into space between the rotor poles, and each intermediate ring element is penetrated by at least two tension bolts and only abuts with a part of its axially oriented surface against adjacent annular plates.

A rotor (10) for a rotating electrical machine is disclosed. The rotor comprises a plurality of salient poles (12) and rotor windings (22, 24) wound on the salient poles. A cooling vent (26) is provided through the rotor windings, the cooling vent extending through the rotor windings in an axial direction and a radial direction. The cooling vent (26) extends in an axial direction from one end of the rotor pole to the other. The cooling vent (26) may be formed by a plurality of discontinuous spacers (28), or by a spacer (78) which extends continuously around the rotor pole (12). Providing a cooling vent which extends through the rotor windings in an axial direction and a radial direction may help to improve the thermal performance of the machine in efficient and cost-effective manner.

A covering device for a rotor of an externally excited electric machine for covering winding heads, arranged on an end side of a rotor body of the rotor, of rotor windings of the rotor, includes: a first cover element with a first metal, profiled, deep-drawn cover plate for covering the winding heads which has a plurality of plate domes arranged in a circumferential distribution, wherein the plate domes form shell-like indentations for partially accommodating the winding heads on an underside of the first cover plate facing the winding heads, and bulges on an upper side of the first cover plate, and a second cover element with a second metal, rotationally symmetrical cover plate by which a disk-like cap arranged so that it axially overlaps the upper side of the first cover plate is formed. The cover plates are mechanically connected and a cavity is formed between the upper side of the first cover plate and the second cover plate.