Uninterruptible power supply using a high speed cylinder...
Unipolar motor and mechanical conversion system and method
Unipolar rotary step motor
Unipolar transverse flux machine
Unipolar transverse flux machine
Unipolar transverse flux machine
Unipolar transverse magnetic flux machine
Unit bearing leadless motor
Unit bearing motor with hydrodynamic lubricating system
Unit core of motor with a yoke comprising an elongated end
Unit providing ventilation and an electrical connector intended
Unitary amorphous metal component for an axial flux electric...
Unitary rotational speed sensor
Unitary sleeving insulation
Unitary supporting structure for superconducting field assembly
Universal and D.C. motors with improved field structure for port
Universal electric motor
Universal electric motor for hand-held tool devices
Universal electric motor with a switch ring mounted adjacent the
Universal electric motor with variable air gap