Electric motor

An electric motor, comprising:

• at least one magnetic assembly including a first magnetic and a second magnetic assembly, the first magnetic assembly having:
• a plurality of magnets arranged along an arc, the plurality of magnets including a first magnet and a second magnet, the first magnet having a first magnetic pole and a second magnetic pole, the arc having a first radius from an axis, the plurality of magnets having a trapezoidal-shape, the plurality of magnets having a radially inward face and a radially outward face, the radially outward face of the plurality of magnets having a surface that is larger than a surface of the radially inward face of the plurality of magnets;
• and
• the second magnet having a first magnetic pole and a second magnetic pole, the first magnetic pole of the first magnet and the first magnetic pole of the second magnet being proximate to each other and facing each other thereby defining a first magnetic zone therebetween, the first magnetic poles all being of the same polarity, and the second magnetic poles all being of the same polarity, the first magnet and the second magnet having a trapezoidal-shaped ferrous piece therebetween, the ferrous piece having a radially outward surface that is smaller than a radially inward surface;
• and
• at least one magnetic driving element proximate to the first magnetic assembly, the at least one magnetic driving element producing a magnetic field that is primarily orthogonal within the at least one magnetic driving element to a direction of movement of the first magnetic assembly about the axis, the magnetic field of the at least one magnetic driving element switching polarity as the first magnetic zone passes a first face of the at least one magnetic driving element;
• and
• the second magnetic assembly having:
• a plurality of magnets arranged along an arc, the plurality of magnets of the second magnetic assembly including a first magnet and a second magnet, the first magnet of the second magnetic assembly having a first magnetic pole and a second magnetic pole, the arc of the second magnetic assembly being along a second radius from the axis that is smaller than the first radius, the second magnet of the second magnetic assembly having a first magnetic pole and a second magnetic pole, the first magnetic pole of the first magnet of the second magnetic assembly and the first magnetic pole of the second magnet of the second magnetic assembly being proximate to each other and facing each other thereby defining a second magnetic zone therebetween, the first magnetic poles all being of the same polarity, and the second magnetic poles all being of the same polarity, the first and second magnets of the second magnetic assembly having a trapezoidal-shaped ferrous piece therebetween, the ferrous piece having a radially outward surface that is larger than a radially inward surface, the at least one magnetic driving element being proximate to the second magnetic assembly, the at least one magnetic driving element producing a magnetic field that is primarily orthogonal within the at least one magnetic driving element to a direction of movement of the first magnetic assembly and the second magnetic assembly about the axis, the magnetic field of the at least one magnetic driving element switching polarity as the second magnetic zone passes a second face of the at least one magnetic driving element, the first magnetic zone and the second magnetic zone being arranged to face each other with the magnetic driving element being therebetween.

A load driving machine, comprising:

• an electrical motor coupled to a load, the electrical motor including:
• at least one magnetic assembly including a first magnetic assembly and a second magnetic assembly, the first magnetic assembly having:
• a plurality of magnets arranged along an arc, the plurality of magnets including a first magnet and a second magnet, the first magnet having a first magnetic pole and a second magnetic pole, the arc having a first radius from an axis, the plurality of magnets having a trapezoidal-shape, the plurality of magnets having a radially inward face and a radially outward face, the radially inward face of the plurality of magnets being smaller than the radially outward face of the plurality of magnets;
• and
• the second magnet having a first magnetic pole and a second magnetic pole, the first magnetic pole of the first magnet and the first magnetic pole of the second magnet being proximate to each other and facing each other thereby defining a first magnetic zone therebetween, the first magnetic poles all being of the same polarity, and the second magnetic poles all being of the same polarity, the first magnet and the second magnet having a trapezoidal-shaped ferrous piece therebetween, the ferrous piece having a radially outward surface that is smaller than a radially inward surface;
• and
• at least one magnetic driving element proximate to the first magnetic assembly, the at least one magnetic driving element producing a magnetic field that is primarily orthogonal within the at least one magnetic driving element to a direction of movement of the at least one magnetic assembly about the axis, the magnetic field of the at least one magnetic driving element switching polarity as the first magnetic zone passes a first face of the at least one magnetic driving element;
• and
• the second magnetic assembly having:
• a plurality of magnets arranged along an arc, the plurality of magnets of the second magnetic assembly including a first magnet and a second magnet, the first magnet of the second magnetic assembly having a first magnetic pole and a second magnetic pole, the arc of the second magnetic assembly being along a second radius from the axis that is smaller than the first radius, the second magnet of the second magnetic assembly having a first magnetic pole and a second magnetic pole, the first magnetic pole of the first magnet of the second magnetic assembly and the first magnetic pole of the second magnet of the second magnetic assembly being proximate to each other and facing each other thereby defining a second magnetic zone therebetween, the first magnetic poles all being of the same polarity, and the second magnetic poles all being of the same polarity, the first and second magnets of the second magnetic assembly having a trapezoidal-shaped ferrous piece therebetween, the ferrous piece having a radially outward surface that is larger than a radially inward surface, the at least one magnetic driving element being proximate to the second magnetic assembly, the at least one magnetic driving element producing a magnetic field that is primarily orthogonal within the at least one magnetic driving element to a direction of movement of the first magnetic assembly and the second magnetic assembly about the axis, the magnetic field of the at least one magnetic driving element switching polarity as the second magnetic zone passes a second face of the at least one magnetic driving element, the first magnetic zone and the second magnetic zone being arranged to face each other with the magnetic driving element being therebetween.