Abstract: A method for manufacturing electrodynamic machine conductive coils, such as alternating current induction motor stator coils. A continuous strand of insulation coated wire is formed into a generally planar elongated closed loop having a circumference and an outer surface. Thereafter a permanent insulation layer is applied to the closed loop outer surface, preferably by spiral wrapping insulating tape about the circumference of the closed loop with a tape wrapping machine. The insulating tape has a catalytic chemical compound including at least one part of a multi-part epoxy resin. The closed loop is shaped into a rigid conductive coil by application pressure, in order to conform the coil to a desired profile. Application of the permanent insulation layer to the closed loop prior to its final shaping enables machine insulation taping over a larger portion of the coil circumference and reduces need for slower and more expensive hand taping.

Abstract: The invention relates to an air-cooled dynamoelectric machine (1), in particular for low voltage<1000 V, comprising a stator (2), grooves (10) extending axially and facing a stator bore (9), in which grooves a multi-phase winding system is arranged, which forms a winding head (7) at each end face of the stator (2), wherein a phase separator (8) is provided between the different phases of the winding system in the winding head (7), wherein the phase separator (8) comprises two layers, with spacing elements (11) lying therebetween.

Abstract: A method for manufacturing electrodynamic machine conductive coils, such as alternating current induction motor stator coils. A continuous strand of insulation coated wire is formed into a generally planar elongated closed loop having a circumference and an outer surface. Thereafter a permanent insulation layer is applied to the closed loop outer surface, preferably by spiral wrapping insulating tape about the circumference of the closed loop with a tape wrapping machine. The insulating tape has a catalytic chemical compound including at least one part of a multi-part epoxy resin. The closed loop is shaped into a rigid conductive coil by application pressure, in order to conform the coil to a desired profile. Application of the permanent insulation layer to the closed loop prior to its final shaping enables machine insulation taping over a larger portion of the coil circumference and reduces need for slower and more expensive hand taping.

Abstract: Mica-reinforced insulating hose (1) for insulating electrical contact connections with a support hose (2), which has a mica tape (4) surrounding it with one or more layers.