AC MACHINE UNIPOLAR LINK Russian patent published in 1998 - IPC

FIELD: adjustable unipolar machines including those with liquid-metal contacts. SUBSTANCE: unipolar link is self-contained structural assembly built up of unipolar machine armature and inductor of unlike-polarity magnetic system. Sealed chamber 1 is formed by laminated core 2 provided with external hollow cylinder 3 fixed with stationary part of sliding contact in the form of third hollow ferromagnetic cylinder 4 with conducting nonmagnetic bars 15 and end rings 13, 16, as well as internal hollow cylinder 5 with end rings. Loose end ring 13 of third cylinder 4 is mounted concentrically to end ring of internal hollow cylinder 6 and electrically isolated from the latter. Chamber holds first and second ferromagnetic cylinders (machine armatures) 9 and 8, respectively. Free space if filled with liquid metal. Internal hollow cylinder 6 is axially divider into two parts; one part 18 is placed lengthwise of first ferromagnetic cylinder 9 and is made of ferromagnetic material; second part 19 is placed lengthwise of second ferromagnetic cylinder 8 and is made of nonmagnetic material. EFFECT: improved design. 2 cl, 3 dwg