Patents by Inventor Guannan Wang

Guannan Wang 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: 20220385072
    Abstract: An online voltage control method for coordinating multi-type reactive power resources is provided. First, a linearized power flow equation of branch reactive power is established, and an online voltage control model of multi-type reactive power resources including an objective function and constraint conditions is constructed. The constrain conditions includes generator reactive power constraints, reactive power compensator constraints, transformer tap position constraints, a nodal reactive power balance constraint, and slack contained nodal voltage constraints. Then, an optimization result of voltage control is obtained by solving the model.
    Type: Application
    Filed: May 19, 2022
    Publication date: December 1, 2022
    Inventors: BIN WANG, GUANNAN WANG, WENCHUAN WU, HAITAO LIU, HONGBIN SUN, JUN ZHANG, QINGLAI GUO, QI WANG, ZIANG LIU
  • Publication number: 20220133606
    Abstract: An oral care composition with a tin, polyol with five or six carbon atoms, polyol with seven or more hydroxyl functional groups, and a pH of greater than 7. An oral care composition with a tin ion source, a fluoride ion source, a polyol with five or six carbon atoms, a non reducing sugar or sugar alcohol with seven or more hydroxyl functional groups, and a pH of greater than 7. Oral care compositions with a high tin ion availability.
    Type: Application
    Filed: August 23, 2021
    Publication date: May 5, 2022
    Inventors: Shikhar Gupta, Guannan Wang, Ross Strand
  • Patent number: 11228179
    Abstract: The present disclosure proposes a decomposition-coordination voltage control method for wind power to be transmitted to a nearby area via flexible DC. The method includes: initializing parameters; sending the parameters to wind power farms; for each of the wind power farms, establishing a voltage control optimization sub-model; solving the voltage control optimization sub-model to obtain a first optimal result; for the control center, establishing a voltage control optimization main model; solving the voltage control optimization main model to obtain a second optimal result; calculating a determination index based on the first optimal result and the second optimal result; and determining whether the determination index is convergent to an admissible value, if no, updating the parameters and returning to establishing the voltage control optimization sub-model.
    Type: Grant
    Filed: April 14, 2020
    Date of Patent: January 18, 2022
    Assignees: TSINGHUA UNIVERSITY, STATE GRID BEIJING ELECTRIC POWER COMPANY, STATE GRID JIBEI ELECTRIC POWER COMPANY
    Inventors: Bin Wang, Hongquan Ji, Yanling Du, Qinglai Guo, Xijuan Yu, Haitao Liu, Hongbin Sun, Guannan Wang, Mang Jiang, Huaichang Ge, Wenchuan Wu
  • Publication number: 20210391722
    Abstract: A reactive power-voltage control method for integrated transmission and distribution networks is provided. The reactive power-voltage control method includes: establishing a reactive power-voltage control model for a power system consisting of a transmission network and a plurality of distribution networks; performing a second order cone relaxation on a non-convex constraint of the plurality of distribution network constraints to obtain the convex-relaxed reactive power-voltage control model; solving the convex-relaxed reactive power-voltage control model to acquire control variables of the transmission network and control variables of each distribution network; and controlling the transmission network based on the control variables of the transmission network and controlling each distribution network based on the control variables of the distribution network, so as to realize coordinated control of the power system.
    Type: Application
    Filed: June 14, 2021
    Publication date: December 16, 2021
    Inventors: Bin WANG, Yanling DU, Wenchuan WU, Haitao LIU, Hongbin SUN, Guannan WANG, Qinglai GUO, Qi WANG, Chenhui LIN
  • Patent number: 11135143
    Abstract: An oral care composition with a tin, polyol with five or six carbon atoms, polyol with seven or more hydroxyl functional groups, and a pH of greater than 7. An oral care composition with a tin ion source, a fluoride ion source, a polyol with five or six carbon atoms, a non reducing sugar or sugar alcohol with seven or more hydroxyl functional groups, and a pH of greater than 7. Oral care compositions with a high tin ion availability.
    Type: Grant
    Filed: June 25, 2020
    Date of Patent: October 5, 2021
    Assignee: The Procter & Gamble Company
    Inventors: Shikhar Gupta, Guannan Wang, Ross Strand
  • Publication number: 20210119453
    Abstract: The present disclosure proposes a decomposition-coordination voltage control method for wind power to be transmitted to a nearby area via flexible DC. The method includes: initializing parameters; sending the parameters to wind power farms; for each of the wind power farms, establishing a voltage control optimization sub-model; solving the voltage control optimization sub-model to obtain a first optimal result; for the control center, establishing a voltage control optimization main model; solving the voltage control optimization main model to obtain a second optimal result; calculating a determination index based on the first optimal result and the second optimal result; and determining whether the determination index is convergent to an admissible value, if no, updating the parameters and returning to establishing the voltage control optimization sub-model.
    Type: Application
    Filed: April 14, 2020
    Publication date: April 22, 2021
    Inventors: Bin WANG, Hongquan JI, Yanling DU, Qinglai GUO, Xijuan YU, Haitao LIU, Hongbin SUN, Guannan WANG, Mang JIANG, Huaichang GE, Wenchuan WU
  • Publication number: 20200405595
    Abstract: An oral care composition with a tin, polyol with five or six carbon atoms, polyol with seven or more hydroxyl functional groups, and a pH of greater than 7. An oral care composition with a tin ion source, a fluoride ion source, a polyol with five or six carbon atoms, a non reducing sugar or sugar alcohol with seven or more hydroxyl functional groups, and a pH of greater than 7. Oral care compositions with a high tin ion availability.
    Type: Application
    Filed: June 25, 2020
    Publication date: December 31, 2020
    Inventors: Shikhar Gupta, Guannan Wang, Ross Strand
  • Publication number: 20200390677
    Abstract: Leave-on oral care compositions having good spreadability and improved retention property are provided for promoting Gum Health of a user. Said leave-on oral care compositions comprise a hyaluronic acid or a salt thereof, a polyacrylic acid as a mucoadhesive polymer and an additional polymer.
    Type: Application
    Filed: June 12, 2020
    Publication date: December 17, 2020
    Inventors: Ross STRAND, Yang SU, Yunming SHI, Thanigaivel SHANMUGAM, Guannan WANG, Xiaoxiao LI
  • Publication number: 20200390801
    Abstract: Leave-on oral care compositions comprising a hyaluronic acid, and a gum-strengthening polyol are provided for promoting Gum Health of a user.
    Type: Application
    Filed: June 12, 2020
    Publication date: December 17, 2020
    Inventors: Ross STRAND, Yang SU, Yunming SHI, Xiaoxiao LI, Guannan WANG
  • Publication number: 20200390676
    Abstract: Leave-on oral care compositions comprising a hyaluronic acid or a salt thereof having good spreadability and improved retention period are provided for promoting Gum Health of a user.
    Type: Application
    Filed: June 12, 2020
    Publication date: December 17, 2020
    Inventors: Ross STRAND, Yang SU, Yunming SHI, Thanigaivel SHANMUGAM, Xiaowei LI, Guannan WANG
  • Patent number: 10767623
    Abstract: A rotor blade assembly for a wind turbine. The rotor blade assembly includes a rotor blade having surfaces defining a pressure side, a suction side, a leading edge, and a trailing edge extending between a blade tip and a blade root. The rotor blade assembly also includes at least one noise reducer secured at the trailing edge. The noise reducer(s) includes at least one serration having a base portion and at least one side edge feature extending from the base portion. Further, the base portion extends along a first plane. The side edge feature(s) extends out of the first plane so as to reduce vortices generated by the serration(s).
    Type: Grant
    Filed: April 13, 2018
    Date of Patent: September 8, 2020
    Assignee: General Electric Company
    Inventors: Guannan Wang, Benoit Philippe Armand Petijean, Roger Drobietz
  • Publication number: 20200277695
    Abstract: A method of fabricating a flexible surface plasmon resonance, SPR, film, a method of performing Surface enhanced Raman Spectroscopy, SERS, a flexible surface plasmon resonance, SPR, film, and a SERS system. The method of fabricating a flexible SPR film comprises the steps of depositing a metal film on a ductile poly (?-caprolactone), PCL-based film having a first length to form a composite PCL-based film; and stretching the composite PCL-based film such that the ductile PCL-based film undergoes an irreversible transformation to form the SPR film exhibiting a second length that is larger than the first length.
    Type: Application
    Filed: April 5, 2018
    Publication date: September 3, 2020
    Inventors: Kaichen XU, Guannan WANG, Minghui HONG
  • Patent number: 10746157
    Abstract: A rotor blade assembly for a wind turbine includes a rotor blade having surfaces defining a pressure side, a suction side, a leading edge, and a trailing edge extending between a blade tip and a blade root. The rotor blade assembly also includes at least one noise reducer adjacent to the trailing edge. The noise reducer(s) includes at least one serration extending beyond the trailing edge in a chord-wise direction of the rotor blade. The serration(s) also includes a suction side surface and a pressure side surface. The suction side surface defines a first radius of curvature in the chord-wise direction and the pressure side surface defines a second radius of curvature in the chord-wise direction. Further, the first radius of curvature may be larger than the second radius of curvature such that the suction side surface is flatter than the pressure side surface or vice versa.
    Type: Grant
    Filed: August 31, 2018
    Date of Patent: August 18, 2020
    Assignee: General Electric Company
    Inventors: Guannan Wang, Benoit Philippe Petitjean, Andreas Herrig, Roger Drobietz
  • Publication number: 20200072185
    Abstract: A rotor blade assembly for a wind turbine includes a rotor blade having surfaces defining a pressure side, a suction side, a leading edge, and a trailing edge extending between a blade tip and a blade root. The rotor blade assembly also includes at least one noise reducer adjacent to the trailing edge. The noise reducer(s) includes at least one serration extending beyond the trailing edge in a chord-wise direction of the rotor blade. The serration(s) also includes a suction side surface and a pressure side surface. The suction side surface defines a first radius of curvature in the chord-wise direction and the pressure side surface defines a second radius of curvature in the chord-wise direction. Further, the first radius of curvature may be larger than the second radius of curvature such that the suction side surface is flatter than the pressure side surface or vice versa.
    Type: Application
    Filed: August 31, 2018
    Publication date: March 5, 2020
    Inventors: Guannan Wang, Benoit Philippe Petitjean, Andreas Herrig, Roger Drobietz
  • Publication number: 20190316565
    Abstract: A rotor blade assembly for a wind turbine. The rotor blade assembly includes a rotor blade having surfaces defining a pressure side, a suction side, a leading edge, and a trailing edge extending between a blade tip and a blade root. The rotor blade assembly also includes at least one noise reducer secured at the trailing edge. The noise reducer(s) includes at least one serration having a base portion and at least one side edge feature extending from the base portion. Further, the base portion extends along a first plane. The side edge feature(s) extends out of the first plane so as to reduce vortices generated by the serration(s).
    Type: Application
    Filed: April 13, 2018
    Publication date: October 17, 2019
    Inventors: Guannan Wang, Benoit Philippe Armand Petitjean, Roger Drobietz
  • Patent number: 9322359
    Abstract: A green treatment process for cleaning exhaust gas generated in the air oxidation of benzene homologs is disclosed. It takes the hot pressurized exhaust gas generated in the benzene homolog air oxidation process as driving power and heating source: firstly, introducing the said exhaust gas into a turbine refrigerator so that it can drive the refrigerator to generate the cooling capacity that will be utilized for condensing the gas phase in the upper part of the flash evaporator and for trapping organics entrained in the exhaust gas; then, leading the exhaust gas with lowered temperature and pressure into corresponding heat exchangers to provide a part of heating source for the flash evaporator and to preheat the reaction raw materials. Furthermore, introducing the condensed exhaust gas into a water absorption scrubber for further removal of trace organics entrained therein.
    Type: Grant
    Filed: March 11, 2011
    Date of Patent: April 26, 2016
    Assignee: NANJING UNIVERSITY
    Inventors: Zhibing Zhang, Guannan Wang, Yue Dai, Lei Li, Weimin Meng
  • Publication number: 20130205771
    Abstract: A green treatment process for cleaning exhaust gas generated in the air oxidation of benzene homologs is disclosed. It takes the hot pressurized exhaust gas generated in the benzene homolog air oxidation process as driving power and heating source: firstly, introducing the said exhaust gas into a turbine refrigerator so that it can drive the refrigerator to generate the cooling capacity that will be utilized for condensing the gas phase in the upper part of the flash evaporator and for trapping organics entrained in the exhaust gas; then, leading the exhaust gas with lowered temperature and pressure into corresponding heat exchangers to provide a part of heating source for the flash evaporator and to preheat the reaction raw materials. Furthermore, introducing the condensed exhaust gas into a water absorption scrubber for further removal of trace organics entrained therein.
    Type: Application
    Filed: March 11, 2011
    Publication date: August 15, 2013
    Applicant: NANJING UNIVERSITY
    Inventors: Zhibing Zhang, Guannan Wang, Yue Dai, Lei Li, Weimin Meng