Results 151 to 160 of about 1,076 (188)
An Axial Cycloidal Magnetic Gear That Minimizes the Unbalanced Radial Force
IEEE Transactions on Magnetics, 2020 This article investigates a new type of axial cycloidal magnetic gear (CMG) that can minimize the unbalanced radial force within the CMG structure. The unbalanced radial force is decomposed into an eccentric coupling force and an eccentric quadrature force.
Hailin Huang +2 more
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A Flux Focusing Axial Magnetic Gear
IEEE Transactions on Magnetics, 2013This paper investigates a novel axial magnetic gear using ferrite magnets. In order to increase the air-gap flux density the ferrite magnets are arranged in flux focusing configuration. The simulation results presented in this paper indicate that a relatively high torque density can be achieved when using only ferrite magnets.
Jonathan Z Bird
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Transient Analysis of an Axial Flux Magnetic Gear
2020 28th Iranian Conference on Electrical Engineering (ICEE), 2020Magnetic gear has been proposed as a means of torque transmission system considering gear ratio, while avoiding disadvantages associated with transferring torque through mechanical counterparts. Considering the transient performance characteristics is one of the important steps in the design of magnetic gears.
Ahmad Darabi +2 more
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An Axial-Field Flux-Modulated Magnetic Gear
IEEE Transactions on Applied Superconductivity, 2016This paper proposes an axial-field flux-modulated magnetic gear (AF-FMMG), in which the rotations with different speeds of the inner rotor and the outer rotor can be achieved based on the modulation function of two stationary modulation rings. Due to the axial-flux configuration, the proposed AF-FMMG offers the advantages of a simpler mechanical ...
Yi Du, Feng Xiao, Zhijian Ling
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Cycloidal Magnetic Gear Combining Axial and Radial Topologies
IEEE Transactions on Energy Conversion, 2022Bryton Praslička +2 more
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Effects of Axial Flux Magnetic Gear Misalignment
2020 IEEE Energy Conversion Congress and Exposition (ECCE), 2020Magnetic gears have recently received significant interest as a potential replacement for mechanical gears. Some papers have proposed that magnetic gears may be more tolerant to misalignment than their mechanical counterparts. This paper describes a parametric finite element analysis (FEA) study of the effects of misalignment in an axial flux magnetic ...
Bryton Praslicka +4 more
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Magnet Gear with Two-Axial Magnetic Paths
Journal of the Korean Society for Precision Engineering, 2014A magnet gear composed of two layers of permanent magnets repeated circumferentially can transmit the power without mechanical contact. In the topology called by the magnet shutter gear known as the most competitive concept among the existing concepts, the number of pole-pairs on the high speed rotor corresponds to that of low speed rotor through ...
Moon Su Kim, Kwang Suk Jung
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Axial Flux Cycloidal Magnetic Gears
IEEE Transactions on Magnetics, 2014The radial flux cycloid permanent magnet gear is characterized by a high gear ratio and a high torque density due to the use of one air gap. There are at least three disadvantages of this gear: 1) eccentric motion of the output rotor must be transferred to concentric shaft rotation; 2) the bearing loads are very large due to the offset rotor rotation ...
Kent Davey +2 more
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Mechanical behavior of axially magnetized permanent-magnet gears
IEEE Transactions on Magnetics, 2001We studied permanent-magnet (PM) gears with axially magnetized permanent magnets and a plane air gap in terms of mechanical behavior. We determined the torque and forces exerted between the two rotors of these devices, using a seminumerical method based on the calculation of the forces between the magnets of the rotors. The study deals with the general
J.F. Charpentier, G. Lemarquand
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Design and Analysis of an Axial Flux Magnetically Geared Generator
IEEE Transactions on Industry Applications, 2015Axial flux magnetically geared machines offer the potential to achieve exceptional torque densities at high diameters. This work proposes a topology for an axial flux magnetically geared machine, in which the electric machine is placed in the bore of the axial flux magnetic gear.
Matthew Johnson +2 more
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