Results 21 to 30 of about 62,524 (266)
Variability of the Centimeter-Submillimeter Spectrum and Polarization of 3C 273 during Outburst [PDF]
, 1998 Original article can be found at: http://www.journals.uchicago.edu/ApJ/--Copyright University of Chicago Press/ AASCentimeter to submillimeter total flux and polarization monitoring data are used to investigate the nature of a prominent flare in the ...
Aller, H. +7 more
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A Novel Hybrid-Flux Magnetic Gear and Its Performance Analysis Using the 3-D Finite Element Method
Energies, 2015 This paper presents a novel hybrid-flux magnetic gear, which integrates a transverse-flux magnetic gear and an axial-flux magnetic gear into a single unit.
Yiduan Chen, Weinong Fu
doaj +1 more source
Известия высших учебных заведений и энергетических объединенний СНГ: Энергетика, 2022 The article presents a two-dimensional finite element model of the magnetic field of a magnetic system of a synchronous electric machine with fractional gear windings. The specific features of the distribution of magnetic fluxes (main effect, edge effect,
A. V. Menzhinski +2 more
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A novel bicycle rear hub transmission with a magnetic gear mechanism
Advances in Mechanical Engineering, 2018 This article proposes a new magnetic rear hub transmission for bicycles, which consists of a coaxial magnetic gear mechanism to serve as the speed-changing device and a speed control mechanism to govern the gear stage. A 3-speed magnetic hub transmission,
Yi-Chang Wu, Chin-Tsung Chan
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Surface micromachined mechanisms and micromotors [PDF]
, 1991 Electric micromotors are sub-millimeter sized actuators capable of unrestrained motion in at least one degree of freedom. Polysilicon surface micromachining using heavily phosphorus-doped LPCVD polysilicon for the structural material, LPCVD silicon ...
Mehregany, Mehran, Tai, Yu-Chong
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A Reduction Method of Cogging Torque for Magnetic Gears [PDF]
Iranian Journal of Electrical and Electronic Engineering, 2023 Nowadays, magnetic gears (MGs) have become an alternative choice for mechanical gears because of their low maintenance, improved durability, indirect contact between inner and outer rotors, no lubrication, and high efficiency.
M. K. Rashid, A. M. Mohammed
doaj
Design of coaxial magnetic gear utilising a novel permanent magnet Halbach array structure
IET Electric Power Applications, 2021 Mechanical gears are constrained due to wear and tear and call for lubrication. A magnetic gear, utilising permanent magnet (PM) arrays, facilitates the mechanical gear roles. It can withstand high‐speeds and large loads with zero friction.
Hanieh Mafi +2 more
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Simulation and Experimental Investigation of a Two-Stage Magnetic Precession Gear
Energies, 2021 Gears are common and important components of many types of propulsion systems applied in mechanical engineering. The aim of this paper is to present the mechanical design and performance analysis of a novel two-stage magnetic precession gear (MPG).
Lukasz Macyszyn +2 more
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Simulation Analysis of Cross-axis Magnetic Gear Characteristic
Jixie chuandong, 2020 Cross-axis magnetic gears have a good application prospect in the industrial and aerospace fields. The advantage compared with mechanical gears is that the 90° space interleaving between the output and the input can be achieved by the one-stage ...
Wei Jie, Huiqing Lan
doaj
Creative mechanism design of magnetic gears integrated with continuously variable transmissions
Advances in Mechanical Engineering, 2018 Magnetic gear mechanisms, commonly used in specific industrial applications, possess the advantages of providing high transmission efficiency, being non-contact and maintenance free, and having overload protection. The purpose of this study is to apply a
Yi-Chang Wu +2 more
doaj +1 more source