In Barrett, a long thin motor is disclosed which is suitable for operating automobile window opening and closing apparatus mounted in a hollow door of the vehicle. One such example of where design requirements place a burden on the motor is disclosed in U.S. Difficulties and inefficiencies occur when other criteria, such as size, shape, cost etc. This is particularly true when the cost of the device is not considered. When size and shape are of no concern, motors and generators which utilize electrical power can be built for almost any purpose with good success. Many electromechanical devices have been designed heretofor with varying efficiencies and ability.
Because of the design, the device is admirably suited for use where flat or "pancake" designs are used. This invention relates to an electromechanical device which can be used as a generator, electric motor, and other types of magnetic rotating components including polyphase generators and motors, steppet motors, brushless motors and the like. Means for electrical contact with the stator draw off current when the device is operated as a generator, or provide current to operate the device as a motor. The stator is positioned annularly around the disc magnets such that the virtual pole chambers of the first and second pole shoes surround portions of said windings with circumferentially alternating fields of alternating polarity. A toroid stator is mounted on the housing and has windings thereon. Also included is at least one second pole shoe in contact with the other face of each magnet and having a portion extending radially therefrom to define in its preferred form a pair of virtual pole chambers of the same polarity as the other face. The magnets are mounted face to face together on the shaft to define a rotor.The device includes at least one first pole shoe in contact with one face of each magnet, and having a portion extending radially therefrom to define, in its preferred form, a pair of virtual pole chambers, of the same polarity as said one face. A pair of disc magnets are poled to have opposite polarity on the two faces of each.
#Toroid as a generator generator
An electromechanical device which can be used as a motor or as a generator has a housing, including bearing means to support a rotatable shaft.
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