An axial field rotary energy device can include a housing having an axis with an axial direction. A stator assembly can include a plurality of stator panels that are discrete panels from each other. The stators panels can be mechanically and stationarily coupled to the housing. Each stator panel can include a printed circuit board (PCB) having coils that are electrically conductive, each stator panel consists of a single electrical phase. In addition, rotors can be rotatably mounted within the housing on opposite axial ends of the stator assembly. The rotors can be mechanically coupled together with a rotor spacer. Each rotor can include magnets. In addition, in one version, no rotor is disposed between axially adjacent ones of the stator panels.

An axial flux electrical machine comprises a first flux generating assembly, a second flux generating assembly, a shaft and a speed controller. The shaft has an axis of rotation. Each of the first flux generating assembly and the second flux generating assembly is rotationally located on the shaft in axial juxtaposition to one another, with the first flux generating assembly being axially separated from the second flux generating assembly by a separation distance. The speed controller is configured to modify a magnetic field generated by either of the first flux generating assembly and the second flux generating assembly so as to control a rotational speed of the electrical machine.

This present utility model provides a novel DC dynamo which is characterized by making the magnetic lines of flux pass through an air gap between the rotator and the stator in the same direction, thus the most of armature coils can always receive the electromotive force of the same polarity in the same direction. Therefore, bidirectional energy conversion between the mechanical energy and the electrical energy of the armature coils in series can still proceed in the absence of commutators and induced the armature to generate sufficient electromotive force to conveniently regulate suitable terminal voltages and the ratios of the rotating speed and the moving speed thereof.

An axial flux rotary generator comprising: two magnetic annuli; a coil annulus; the magnetic annuli and coil annulus having a common axis; the two magnetic annuli defining a plurality of magnetic fields around the common axis extending across a gap between the two magnetic annuli and the coil annulus having a sequence of coils around the common axis in the gap such that lines of magnetic flux from the magnetic fields cut the turns of the coils and thus induce electric current in the coils as the magnetic annuli are caused to rotate relative to the coil annulus, means provided at or towards the central aperture of the coil annulus axial to resist flexure of the coil annulus.

According to an aspect there is provided a motor (1) for a personal care device (10). The motor (1) comprises: a stator (2) comprising a stator surface; a rotor (3) comprising a rotor surface disposed opposite the stator surface; and a spacer (4) projecting between the stator surface and the rotor surface so as to define a minimum airgap between the stator (2) and the rotor (3). The spacer (4) is disposed on or at one of the rotor surface and the stator surface, and has a contact surface configured to engage with the other one of the rotor surface and the stator surface.

An axial flux machine includes a rotor having: a first and a second rotor disk; a shifting element; a first and a second pair of mechanical mating elements, enabling an axial displacement of the first respectively second rotor disk relative to the shifting element by rotating the first respectively second rotor disk. An equal rotation of the first and the second rotor disk results in an equally-sized but opposite axial displacement of the first and second rotor disk; a coupling element, mechanically coupling the first and the second rotor disk, thereby blocking a rotation of the first rotor disk relative to the second rotor disk while allowing for an axial displacement.

A current supply system configured to receive a rotational driving force and supply a current for driving an electrical load device in accordance with a current requirement. The current supply system includes a rotor, including a permanent magnet, configured to receive the rotational driving force, and a stator including a stator core with a winding wound thereon, a magnetic circuit for the winding passing through the stator core, the rotational driving force causing the rotor and the stator to generate the current. The current supply system further includes a supply current adjustment device configured to change magnetic resistance of the magnetic circuit for the winding in accordance with the current requirement, to thereby change an inductance of the winding to adjust the generated current.

A vertical axis wind turbine with improved safety, production efficiency and greater functional wind speed range. A vertical axis wind turbine comprises turbine blades having geometric characteristics of a yin yang symbol when viewed from the top down. The turbine blades are configured to form a scoop portion for catching wind. The surface area of the scoop portion may be dynamically configured to accommodate power production in higher wind speed ranges by dynamically furling the blades to reduce the surface area of the scoop portion as RPM begins to exceed a safe limit. First and second permanent magnet rotor arrays are dynamically positioned above and below an array of stator coils to maximize power generation.

An electric axial flux machine having a stator with first and second stator elements arranged spaced apart axially from one another, and a rotor with a rotor body arranged on a rotor shaft, in the form of a disk and arranged axially between the first and second stator elements, the first and second stator elements being arranged movably in the axial direction in relation to the rotor body. An adjustment device is provided to adjust the first stator element and the second stator element in the axial direction in order to set an air gap. The adjustment device adjusts the first stator element and the second stator element in the axial direction depending on a torque which is to be transmitted via the rotor shaft and which generates a resulting supporting moment on the first stator element and on the second stator element.

A gutter assembly comprising a gutter cover and a gutter cover for covering an opening of a gutter having a front wall, a rear wall and a bottom wall defining a gutter channel, the gutter cover comprising: a front portion operatively engageable with the front wall of the gutter; a rear portion operatively engageable with the rear wall of the gutter; a central portion extending between the front portion and the rear portion and having a first panel and a second panel, the first panel extending above and spaced apart from the second panel, the first panel having a first set of throughholes and the second panel having a second set of throughholes being at least partially offset from the first set of throughholes.