Disclosed are various embodiments for a motor/generator where the stator is a coil assembly and the rotor is a magnetic toroidal cylindrical tunnel or where the rotor is a coil assembly and the stator is a magnetic toroidal cylindrical tunnel.

A core of a transverse flux machine a stator pole. The stator pole includes a plurality of laminations, where laminations of the plurality of laminations are in a stacked configuration. Further, each of the plurality of laminations includes at least one of a magnetic region and a non-magnetic region, where individual shapes of magnetic regions of the plurality of laminations are such that the magnetic regions of the plurality of laminations at least a portion of a three-dimensional magnetic circuit.

An electric machine includes a stator and a rotor, with the stator being equipped with at least one annular exciter unit that includes a coil and at least two annular yokes, with the rotor being equipped with a structure and at least one annular receiver unit. Each receiver unit includes at least two rows of magnets. Two sides of each yoke include teeth distributed angularly in a regular manner, and the teeth of the two adjacent yokes fit onto a face of the exciter unit, alternately forming north poles and south poles. Each row of the magnets is positioned opposite one face, forming an air gap with the exciter unit, with the electric machine thus including at least two air gaps, with a 3D magnetic flux thus circulating inside the said electric machine, dividing and regrouping itself in the vicinity of the magnets and of the yokes.

A hybrid electric machine includes N phases (N1), each phase having first and second assemblies movable relative to one another and each having a set of teeth made up of a number of teeth that are equally distributed according to a plurality of periods, in which: a. the first assembly is made up of two magnetised parts, each including a magnet magnetically coupled with two toothed yokes, the magnet of one of the magnetised parts being polarised along the same axis but in the opposite direction to the polarisation of the magnet of the second magnetised part; b. the second assembly including at least two toothed zones with pitches identical to the pitch of the toothed yokes; c. one of the assemblies has at least two sets of teeth in phase, and the other assembly has at least two sets of teeth which are out of phase by a half-period.

According to one embodiment, a rotating electrical machine includes an annular winding, L (L is an arbitrary integer) stator magnetic poles, and L rotor magnetic poles having the same polarity. The L stator magnetic poles are disposed apart from each other in a rotational direction and facing the winding. The L rotor magnetic poles have the same polarity as each other. The L rotor magnetic poles are disposed apart from each other in the rotational direction and configured to face the L stator magnetic poles If an order of the fundamental wave component of a torque pulsation is N, M (ML) distances between centers of the adjacent poles between pole centers in one set of either the L stator magnetic poles or the L rotor magnetic poles are combinations of (, +.sub.1/M, +.sub.12/M, . . . , and +.sub.1(M1)/M), and .sub.1 satisfies the relationship (180/N)<.sub.1<(540/N) in the notation of electrical angle.

An electric motor includes a rotor and a stator formed by a plurality of stator phases. The stator phases include coils that extend fully about the motor axis of the motor. The stator phases further includes flux rings disposed on opposite axial sides of the coil and that are joined by axial returns. The stator phases electromagnetically drive rotation of the rotor on the motor axis.

This disclosure describes a magnetically geared apparatus that is configured either as an electric motor or as a generator. The apparatus includes at least a stator structure and a rotor structure arranged in a manner to improve torque generation. The stator structure contains N1 stator cores and a shared toroidal electrical winding, and the rotor structure contains an equal number of corresponding rotor cores. The apparatus may be a Vernier machine. The apparatus may include one or more thermal channels configured to transport heat out of the stator structure. Methods and systems for manufacturing the apparatus are also described.

A fluid moving apparatus includes an electric motor having a rotor and a stator and a propeller. The rotor rotates relative to the stator on an axis to generate a rotational output. The rotational output is provided to the propeller to power the marine propulsion apparatus. The stator includes one or more coils configured to power rotation of the rotor. The one or more coils extend circumferentially around and can be coaxial on the axis. A portion of a housing of the motor extends into the aquatic environment to facilitate heat dissipation.

An electric motor includes a rotor and a stator formed by a plurality of stator phases. The stator phases include coils that extend fully about the motor axis of the motor. The stator phases further includes flux rings disposed on opposite axial sides of the coil and that are joined by axial returns. The stator phases electromagnetically drive rotation of the rotor on the motor axis.

A rotating electric machine includes a multi-phase armature coil having phase windings each constituted of a plurality of partial windings, and a winding support member supporting the partial windings from a radially outer or radially inner side thereof. Each of the partial windings has a pair of intermediate conductor portions and a pair of bridging portions connecting the pair of intermediate conductor portions. All the intermediate conductor portions of the partial windings are arranged in alignment with each other in a circumferential direction. In each of the partial windings, insulating members are mounted respectively on the bridging portions of the partial winding. Brackets are provided respectively in corresponding ones of the insulating members of the partial windings in such a manner as to partially protrude from the corresponding insulating members. Protruding portions of the brackets, which protrude from the corresponding insulating members, are mechanically joined to the winding support member.