H02K1/141

Rotary reciprocating drive actuator with movable element and magnets and rotating mirror

A rotary reciprocating drive actuator reciprocally and rotationally driving the movable body about the shaft part in relation to the fixed body by the electromagnetic mutual effect of the coil and the movable magnet, wherein the movable magnet is magnetized in the radial direction of the shaft part, the two magnetic poles are disposed facing each other across an air gap in the radial direction of the movable magnet and the shaft part, and the fixed body has a rotation-angle-holding part disposed facing the movable magnet across the air gap, the rotation-angle-holding part holding the rotation angle position of the movable magnet by the magnetic attraction force generated with the movable magnet.

Linear fan forced air cooling
11965529 · 2024-04-23 · ·

A linear fan including a fan blade attached a fan frame by a wire spring having a first end attached to the fan blade and a second end attached to the fan frame. The fan blade includes a free end such that the blade oscillates by pivoting on the wire spring. The the wire spring flexes to enable the fan blade to oscillate. The fan includes a motor for driving the oscillation of the fan blade. The motor includes an armature or permanent magnet connected to the fan blade and a stator assembly connected to the fan frame. The stator assembly includes a current carrying coil wrapped around a leg of a stator core. The motor is controlled to vary the direction of the current being carried in the coil to thereby change the direction of the magnetic field created by the stator assembly and cause the fan blade to oscillate.

Axial flux induction motor or generator
11962209 · 2024-04-16 · ·

An axial flux induction machine including at least two stator and one rotor where the stators include an inner and outer ring of coils. The stator includes at least two mirrored structure constructed such as to secure wire coils, amplify magnetic characteristics, and provide a structure upon which to secure a rotary shaft or through which a rotary shaft may be run. The structures supporting either the outer or inner ring of coils can be in contact between the two stators and the outer ring can be spaced further from the rotary shaft than the inner ring of coils and also further from the rotary shaft than an outer edge of the rotor.

Sealed robot drive

A transport apparatus including a housing, a drive mounted to the housing, and at least one transport arm connected to the drive where the drive includes at least one rotor having at least one salient pole of magnetic permeable material and disposed in an isolated environment, at least one stator having at least one salient pole with corresponding coil units and disposed outside the isolated environment, where the at least one salient pole of the at least one stator and the at least one salient pole of the rotor form a closed magnetic flux circuit between the at least one rotor and the at least one stator, and at least one seal configured to isolate the isolated environment where the at least one seal is integral to the at least one stator.

Solar car
10457148 · 2019-10-29 · ·

Described herein are apparatuses, systems, and methods for a solar car. The exterior of the solar car is comprised of smoothly curved and continuous photovoltaic cells. The exterior car parts, e.g., roof, doors, hood, trunk and so forth, may include integrated photovoltaic cells, all manufactured in the shape of the corresponding car parts. The photovoltaic cells are meta-encapsulated in an edgeless manner, and may utilize superconducting anodes. A first encapsulate may be polychlorotrifluoroethylene, an extreme water barrier. A second encapsulate, e.g., silicone, may be a water barrier and shock absorber. A third encapsulate may be UV stabilized polycarbonate or low iron glass. A street legal solar car may be constructed upon an electric car chassis. A competition solar car has one or more hyper-efficient electric motors, that may utilize superconducting wire in their armatures. Superconducting wire may also be used in the vehicle chassis.

AXIAL FLUX ROTOR AND AXIAL FLUX ELECTRIC MACHINE
20190305617 · 2019-10-03 ·

An axial flux rotor for use in a motor with a stator is provided. The rotor includes a body including an outer periphery defined by outside radius OR. The body further has a central opening defined by inner radius IR and a plurality N of rotor poles defining an axis of rotation of the body. The body has first and second opposed faces. The rotor also includes a plurality of spaced apart axially imbedded magnets extending from the first face. At least one of the axially imbedded magnets has a minimum depth defined by defined by the equation

[00001] D min = * ( OR + IR ) 2 * N * BrA * BrS ,

wherein BrS is the Remanent Flux Density of Surface Mounted Magnet, wherein OR is the outside radius of the body, wherein IR is the inner radius of the body, wherein N is the number of rotor poles, and wherein BrA is the Remanent Flux Density of Axially Imbedded Magnet.

Medical pump

A medical pump includes a single phase synchronous motor, a rod piston, a cylinder for receiving the rod piston for reciprocating motion therein. The single phase synchronous motor includes a stator and a rotor rotatable relative to the stator. The rotor includes a plurality of permanent magnets. The stator comprises a stator core and a winding wound around the stator core. The stator core comprises two opposed pole portions that define there between a rotor receiving space for receiving the permanent magnets. The medical pump has a compact structure. In addition, the motor of the medical pump has a constant rotation speed and has a smaller size and less weight under the same output power conditions as traditional motors used in medical pumps. The medical pump is particularly suitable for use in atomizers.

Electric blower and vacuum cleaner

An electric blower comprising: an electric motor; and a fan rotated by the electric motor, wherein the electric motor includes a stator, a rotor connected to the fan, and a frame accommodating the stator and the rotor, the stator includes a plurality of stator cores respectively having a core tooth portion facing the rotor, a coil portion attached to the stator core to form a magnetic pole at the core tooth portion, and a spacer inserted between the stator cores to press the stator cores against the frame, and the frame includes a regulation portion regulating position of the stator core pressed by the spacer.

Dual shaft integrated motor
10432072 · 2019-10-01 · ·

A dual shaft integrated motor including inner and outer rotors independently rotatable and rotating in an identical pivotal direction, the inner and outer rotors each having an output shaft positioned on one end of the pivotal direction, the dual shaft integrated motor includes: a detection unit including a first detection unit detecting a rotation angle of the inner rotor, and a second detection unit detecting a rotation angle of the outer rotor; a bearing unit including a first bearing rotating in conjunction with the inner rotor, and a second bearing rotating in conjunction with the outer rotor; a stator core unit including a first core serving as a stator core of the inner rotor, and a second core serving as a stator core of the outer rotor; and a base to which the detection unit, the bearing unit, and the stator core unit are sequentially attached from the one end.

Linear motor

Disclosed is a linear motor that can exert a high propulsive force and reduce cogging. A stator has a plurality of core units in a stroke direction. Each of the core units has a first core having a first magnetic pole and a second magnetic pole, which is different in polarity from the first magnetic pole, coils wound around the first core, a second core having a third magnetic pole and a fourth magnetic pole, which is different in polarity from the third magnetic pole, and coils wound around the second core. The third magnetic pole faces the first magnetic pole, and the fourth magnetic pole faces the second magnetic pole. A movable element is sandwiched between the first magnetic poles and the third magnetic poles, and between the second magnetic poles and the fourth magnetic poles.