Foil coil structures and methods for winding the same for...
Folded spring flexure suspension for linearly actuated devices
Following stage planar motor
Force motor with increased proportional stroke
Force motor, multiple, parallel element linear suspension
Forced air stator ventilation system and stator ventilation...
Forced cooled electric motor
Forced cooling rotary electric machine
Forced cooling rotary electric machine
Forced-convection heat exchanger for a rotary electrical...
Forced-fluid flow ventilating system for rotating electrical...
Forceless non-contacting power transformer
Forcer and associated three phase linear motor system
Forcer and associated three phase linear motor system
Four phase stepping motor and art of driving same
Four pole wave wound direct current machine with multi-turn arma
Four-five alternator coil winding
Four-phase hybrid type stepping motor
Four-pole synchronous motor
Fractional horsepower motors with selectable winding windows