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  • Handbook of Fractional-Horsepower Drives
    … sinusoidal commutation 71 sinusoidal evaluated PWM commutation 390 sinusoidal voltages 359 skew-wound winding 90 skewing 78, 79 slide screw drive 478 slider 256 … … 80 slot-commutator 53 slotless armature design 89 slotless … … for fractional-horsepower electric machines 510 standing wave 335 …
  • Modular, axial-flux, permanent-magnet motor for ship propulsion drives
    The machine stator thereby consists of the eight sectors, being each sector formed of a piece of slotless strip-iron core which carries coils of a three-phase winding, as shown in Fig. 3. … resin body, which is used to improve the mechanical resistanceand fix the sector at a supportingflangeby screws .
  • Design of a slotless PM-motor for a screw compressor drive
    This paper describes the design of an slotless permanent magnet (PM) machine . The application is a motor for screw compressor drives.
  • Ninth International Conference on Electrical Machines and Drives (Conf. Publ. No.468)
    The Effect of the Distribution of the Magnetisation in Brushless DC Machines on Cogging Torques M Benarous … Design of a Slotless PM-Motor for Screw Compressor Drive J Engstrom Royal Instituteof Technology, Sweden .
  • Modular axial-flux permanent-magnet motor for ship propulsion drives
    Table 111 reports design characteristics of such a 2.2 kW, 750 rev/min machine prototype. … stator consists of 8 sectors, being each sector formed of a piece of slotless strip-iron core … … used to both improve the winding strength and fix each sector at a supporting flange by screws .
  • Journal of Aircraft > Circulation control wing model study
    … at approximately 95% chord, and the blunt trail- ing edge (Coanda surface) was machined to a 0 … … the slot span was nominally 20 in. due to the sting at midspan and slotless end caps. Adjustment screws were used at six spanwise locations to maintain slot height under pressurized conditions and to …
  • 2011 Index IEEE Transactions on Magnetics Vol. 47
    Meessen, K. J., +, TMAG April 2011 727-733 Analysis of a Magnetic Screw for High Force Density … Wang, J., +, TMAG Oct. 2011 4477-4480 Analysis of the Oversaturated Effect in Hybrid Excited Flux-Switching Ma- chines . Analytical Magnetic Field Distribution of Slotless Brushless Machines With Inset Permanent Magnets.
  • Features :: NASA Tech Briefs
    Three drive types are available: lead screw with machined nut or anti-backlash nut, ball screw , or two versions of belt drives. Pittman® Motors, a division of AMETEK/Precision Motion Control (Harleysville, PA), offers high-performance slotless brushless DC motors …
  • Motion Control :: NASA Tech Briefs
    Three drive types are available: lead screw with machined nut or anti-backlash nut, ball screw , or two versions of belt drives. Pittman® Motors, a division of AMETEK/Precision Motion Control (Harleysville, PA), offers high-performance slotless brushless DC motors …
  • Motion Control :: NASA Tech Briefs
    Three drive types are available: lead screw with machined nut or anti-backlash nut, ball screw , or two versions of belt drives. Pittman® Motors, a division of AMETEK/Precision Motion Control (Harleysville, PA), offers high-performance slotless brushless DC motors …