Patents by Inventor DONG LV
DONG LV has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).
-
Publication number: 20240124409Abstract: The present application discloses a class of guaianolide sesquiterpene lactone derivatives and pharmaceutical use thereof. The guaianolide sesquiterpene lactone derivative or a pharmaceutically acceptable salt thereof is shown as general formula I. In the present application, a class of novel guaianolide sesquiterpene lactone derivatives are found by structural optimization with abundant natural ingredients such as parthenolide and dehydrocostus lactone as raw materials, which derivatives have good inhibitory activity on the activation of the NLRP3 inflammasome, and the chemical stability, water solubility and oral bioavailability of which are significantly improved, and it is verified by experiments that the derivatives have inhibitory effects on the activity of the NLRP3 inflammasome and have potential pharmaceutical applications.Type: ApplicationFiled: November 26, 2023Publication date: April 18, 2024Applicant: NANJING UNIVERSITY OF CHINESE MEDICINEInventors: Lihong HU, Jian LIU, Qi LV, Yang HU, Dong DONG, Ping WANG, Meng YANG
-
Publication number: 20240096729Abstract: A packaged device includes a circuit board, an electronic component, and a heat storage portion. The electronic component is electrically coupled to the circuit board; and the heat storage portion is disposed on the circuit board or embedded in the circuit board, and the heat storage portion is adjacent to the electronic component, where a specific heat capacity of the heat storage portion is higher than a specific heat capacity of the circuit board, and the heat storage portion is configured to store and release heat. A heat storage material with a relatively high specific heat capacity is introduced into the packaged device, and the heat storage portion is disposed on the circuit board around the electronic component where a large amount of heat generated by the electronic component in a short time can be quickly stored in the heat storage portion and then released to the outside.Type: ApplicationFiled: September 15, 2023Publication date: March 21, 2024Inventors: Dong Chen, Fenglong Lu, Yunyu Tang, Lei Shi, Yunfeng Liu, Shuyi Lv, Pengcheng Zhang
-
Patent number: 11931208Abstract: The present application discloses a cerebral perfusion state classification apparatus and method, a device, and a storage medium. The method includes: acquiring, by a transceiving module, cervical blood flow data from an ultrasound data collecting device; determining, by a processor, cerebral perfusion data corresponding to the cervical blood flow data based on the cervical blood flow data and a mapping relationship between the cervical blood flow data and the cerebral perfusion data, and classifying cerebral perfusion states of a plurality of brain regions based on blood perfusion characteristics of the plurality of brain regions in the cerebral perfusion data.Type: GrantFiled: May 20, 2022Date of Patent: March 19, 2024Assignee: BEIJING FRIENDSHIP HOSPITAL, CAPITAL MEDICAL UNIVERSITYInventors: Zhenchang Wang, Wei Zheng, Han Lv, Pengling Ren, Dehong Luo, Linkun Cai, Yawen Liu, Hongxia Yin, Pengfei Zhao, Jing Li, Dong Liu, Erwei Zhao, Tingting Zhang
-
Publication number: 20230069145Abstract: A plant leaves-derived carbon material doped with two metals and preparation and use thereof are provided, the carbon material prepared by carbonizing, in an inert atmosphere, plant leaves which have absorbed ions of two metals M1 and M2. The metal M1 is Co, Mn, or Fe. The metal M2 is Ni, Cu, or Zn. The carbon material can be used as an efficient, green, and safe catalyst for the selective oxidation of cycloalkanes to produce cycloalkanols and cycloalkanones, and enable an increased selectivity of the target products (thus less by-products), a low yield of cycloalkyl peroxides, reduced reaction temperature, low environmental impact, and safe production.Type: ApplicationFiled: July 7, 2022Publication date: March 2, 2023Inventors: Haimin Shen, Dong Lv
-
Publication number: 20220170375Abstract: The present invention belongs to the technical field of turbine cooling of aero-engine and gas turbine, and relates to the honeycomb-like helically cavity cooling structure of turbine blade. The honeycomb-like helically cavity cooling structure of turbine blade includes hollow turbine blade, honeycomb-like helically cavity and pin fins. Some cooling channels are arranged inside the hollow the hollow turbine blade, the cooling gas flows through the tunnels and cools the blade. Multi-arrays of honeycomb-like helically cavity are arranged in the blade wall, for cooling gas to enter and convective cooling. A cylindrical pin fin is arranged in the center of the honeycomb-like helically cavity. In each unit, the inlet hole and film hole are located on both sides of the blade wall, and the center lines of them are parallel in the same vertical plane.Type: ApplicationFiled: December 15, 2020Publication date: June 2, 2022Inventors: Dong LV, Nan WANG, Xiaofang WANG, Xingao KONG, Yinan SUN
-
Publication number: 20180008937Abstract: A composite molecular sieve membrane, preparation method and use thereof are provided in the embodiments. The composite molecular sieve membrane includes a support layer and a molecular sieve membrane layer, wherein the support layer is a high-porosity and porous ceramic which is made of nano- or submicron ceramic powder materials or ceramic material precursors prepared through an electrospinning process. The high-porosity and porous ceramic, is adjustable from 40% to 83%. The composite molecular sieve membrane of the embodiments uses the porous ceramic prepared through an electrospinning process as the support layer, and the support layer has a flat and continuous surface, high porosity, uniform and adjustable pore sizes, low-tortuosity pore channels, and high mechanical strength; the flux of the composite molecular sieve membrane is increased, besides, the seed crystals can attach effectively due to the fibrous pore channels of the support layer, ensuring the adhesion amount of seed crystals.Type: ApplicationFiled: February 7, 2017Publication date: January 11, 2018Inventors: MEI HONG, DONG LV, ZHUWEN CHEN, JIAYING ZENG, JINGSHEN WU, JIAN ZHANG, SHAN BAI
-
Patent number: 9452377Abstract: A nanoporous ceramic membrane and preparation method thereof is provided. The nanoporous ceramic membrane is prepared by halloysite nanotubes (HNTs), and its porosity is between 35% to 85%. This method comprises steps as following: HNTs and polymers with a certain ratio are dispersed in organic solvent, and HNTs/polymer composite fibers are prepared through electrospinning method; after the HNTs/polymers composite fibers are laminated, they are sintered at high temperature in a certain or vacuum atmosphere, and a nanoporous ceramic membrane is obtained. Ceramic membrane prepared by this method is corrosion resistant, thermal resistant, and have large specific surface area, it may widely applied in the field of filtration, catalyst carrier and purification of high-temperature gas, etc.Type: GrantFiled: November 14, 2013Date of Patent: September 27, 2016Assignee: THE HKUST FOK YING TUNG RESEARCH INSTITUTEInventors: Jingshen Wu, Dong Lv, Zheming Zhang, Dan Li
-
Patent number: 9430305Abstract: A server system includes a PCH, a BMC, a BIOS with a write protect end, and a controlling circuit. The BIOS includes a write protect end. The BMC includes a memory portion storing updated server data. The BIOS is electrically connected to the PCH and is electrically connected to the BMC. The controlling circuit includes a first input end and an output end. The first input end is electrically connected to the PCH. The output end is electrically connected to the write protect end. The controlling circuit is configured so that when an error in the BIOS is detected, the write protect end is opened and the BIOS is updated from the memory portion of the BMC.Type: GrantFiled: September 5, 2014Date of Patent: August 30, 2016Assignees: HONG FU JIN PRECISION INDUSTRY (ShenZhen) CO., LTD., HON HAI PRECISION INDUSTRY CO., LTD.Inventors: Sheng-Cun Zheng, He-Dong Lv, Hong-Lian Huang, Jian-She Shen
-
Publication number: 20150186321Abstract: An interface device includes a motherboard, a DVI female interface, a DVI male interface, a display, and an eSATA connector. The motherboard includes a SATA controller having at least one group of differential signal pins. The DVI female interface is electronically coupled to the group of differential signal pins. The DVI male interface is coupled to the DVI female interface. The display is electronically coupled to the DVI male interface. The eSATA connector is positioned on a display and includes at least one group of differential signal pins electrically coupled to the DVI male interface. The differential signal pins of the eSATA connector configured to be in communication with the differential signal pins of the SATA controller via the DVI male interface and the DVI female interface.Type: ApplicationFiled: December 25, 2014Publication date: July 2, 2015Inventors: AN-LIN ZHOU, HE-DONG LV, SHENG-CUN ZHENG
-
Publication number: 20150074385Abstract: A server system includes a PCH, a BMC, a BIOS with a write protect end, and a controlling circuit. The BIOS includes a write protect end. The BMC includes a memory portion storing updated server data. The BIOS is electrically connected to the PCH and is electrically connected to the BMC. The controlling circuit includes a first input end and an output end. The first input end is electrically connected to the PCH. The output end is electrically connected to the write protect end. The controlling circuit is configured so that when an error in the BIOS is detected, the write protect end is opened and the BIOS is updated from the memory portion of the BMC.Type: ApplicationFiled: September 5, 2014Publication date: March 12, 2015Inventors: SHENG-CUN ZHENG, HE-DONG LV, HONG-LIAN HUANG, JIAN-SHE SHEN
-
Publication number: 20140362895Abstract: A method for testing Bit Error Rate (BER) of a network module of a communication device includes executing a BER test program to begin a BER test; obtaining a current time and a test data of the BER test program; recording the current time and the test data corresponding to the current time in the test data recording document. The method also determines whether a time interval between the current time and a time when a last test data was recorded is greater than a predetermined value, and if so records a new time and a new test data.Type: ApplicationFiled: June 4, 2014Publication date: December 11, 2014Inventors: SHENG-CUN ZHENG, HE-DONG LV, HONG-LIAN HUANG
-
Publication number: 20140173316Abstract: A delay circuit for power sequencing in a computer includes an oscillator; an input pin; a counter; a register; and a comparing controller. The counter detects a voltage of the input pin when each clock signal arrives, resets a number counted by the counter when the voltage of the input pin is detected at logic-low electrical level, and adds a predetermined number when the voltage of the input pin is detected at logic-high electrical level. The controller compares the total number counted by the counter with a preset number, and outputs a control signal when the numbers match. The control signal controls a connected logic circuit to work according to a power sequence.Type: ApplicationFiled: June 19, 2013Publication date: June 19, 2014Inventors: SHENG-CUN ZHENG, HE-DONG LV, AN-LIN ZHOU
-
Publication number: 20140131271Abstract: A nanoporous ceramic membrane and preparation method thereof is provided. The nanoporous ceramic membrane is prepared by halloysite nanotubes (HNTs), and its porosity is between 35% to 85%. This method comprises steps as following: HNTs and polymers with a certain ratio are dispersed in organic solvent, and HNTs/polymer composite fibers are prepared through electrospinning method; after the HNTs/polymers composite fibers are laminated, they are sintered at high temperature in a certain or vacuum atmosphere, and a nanoporous ceramic membrane is obtained. Ceramic membrane prepared by this method is corrosion resistant, thermal resistant, and have large specific surface area, it may widely applied in the field of filtration, catalyst carrier and purification of high-temperature gas, etc.Type: ApplicationFiled: November 14, 2013Publication date: May 15, 2014Applicant: THE HKUST FOK YING TUNG RESEARCH INSTITUTEInventors: JINGSHEN WU, DONG LV, ZHEMING ZHANG, DAN LI