Li-Qing
Li-Qing Hu, Foshan CN
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20080246469 | PORTABLE ELECTRONIC DEVICE - A portable electronic device includes a body, a flippable unit, a pivoting shaft, a first magnetizable element, a second magnetizable element, a magnetic induction sensor IC, and a magnet. The pivot shaft connects the body and the flippable unit. A display is disposed in the flippable unit for showing an image. The magnetic induction sensor IC is disposed in the body. The magnet is disposed at and rotatable with the pivoting shaft. The first and the second magnetizable elements are disposed between the magnet and the magnetic induction sensor IC to enlarge the magnetic field of the magnet such that the magnetic induction sensor IC is capable of detecting change of the magnetic field of the magnet when the flippable unit together with the magnet is pivoted relative to the body. | 10-09-2008 |
Li-Qing Zhang, Taiyuan City CN
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20090056499 | METHOD AND APPARATUS FOR MAKING MAGNESIUM-BASED ALLOY - A method for fabricating a magnesium-based alloy includes the steps of: (a) mixing a number of carbon nanotubes with a number of magnesium particles; (b) heating the mixture in a protective gas to achieve a semi-solid-state paste; (c) stirring the semi-solid-paste using an electromagnetic stirring force to disperse the carbon nanotubes into the paste; (d) injecting the semi-solid-state paste into a die; and (e) cooling the semi-solid-state paste to achieve a magnesium-based alloy. An apparatus for fabricating the magnesium-based alloy includes a transferring device, a thixomolding machine, and an electromagnetic stirring device. The transferring device includes a feed inlet. The thixomolding machine includes a heating barrel having two ends, a nozzle disposed at a first end thereof, and an material input positioned at a second end thereof. The electromagnetic stirring device includes an electromagnetic induction coil disposed on an outer wall of the heating barrel. | 03-05-2009 |
20110011552 | METHOD AND APPARATUS FOR MAKING MAGNESIUM-BASED ALLOY - An apparatus for fabricating the magnesium-based alloy includes a transferring device, a thixomolding machine, and an electromagnetic stirring device. The transferring device includes a feed inlet. The thixomolding machine includes a heating barrel having a first end and a second end, a nozzle disposed at the first end. The electromagnetic stirring device includes an electromagnetic induction coil disposed on an outer wall of the heating barrel. | 01-20-2011 |
Li-Qing Zhang, Shenzhen City CN
Patent application number | Description | Published |
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20090146098 | POWDER EXTINGUISHING AGENT AND METHOD FOR MANUFACTURING THE SAME - The present invention relates to a powder extinguishing agent used for extinguishing fires of burning light metals. The powder extinguishing agent includes: potassium chloride in an amount from 40% to 50% by weight, sodium chloride in an amount from 45% to 55% by weight, and calcium fluoride in an amount from 2% to 8% by weight. The present invention also relates to a method for manufacturing the powder extinguishing agent. | 06-11-2009 |