Patents by Inventor Xu Fu

Xu Fu 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).

  • Patent number: 10428114
    Abstract: Provided is a nRGD polypeptide formed by connecting alanine-alanine-asparagine (AAN) and a polypeptide containing arginine-glycine-aspartic acid (RGD), wherein the nRGD polypeptide can target tumor vessels, tumor cells and tumor-associated macrophages, and mediate the targeted delivery of tumors.
    Type: Grant
    Filed: September 30, 2016
    Date of Patent: October 1, 2019
    Assignees: SICHUAN UNIVERSITY, YAOPHARMA CO., LTD.
    Inventors: Zhirong Zhang, Tao Gong, Yan Zhang, Xu Song, Tijia Chen, Yao Fu, Xun Sun, Xiaoqing Bai, Bei Zhang
  • Publication number: 20190282624
    Abstract: Provided are chemical inducers of pluripotency (CIP) which include glycogen synthase kinase inhibitors, TGF? receptor inhibitors, cyclic AMP agonists and S-adenosylhomocysteine hydrolase (SAH) inhibitors or histone acetylators. A method of inducing pluripotency in a partially or completely differentiated cell by using such chemical inducers of pluripotency is also provided. The method includes: (i) contacting a cell with the CIPs for a sufficient period of time to result in reprogramming the cell into a pluripotent stem cell having ESC-like characteristics (CiPSC). Isolated chemically induced pluripotent stem cells (CiPSCs) and their progeny, produced by inducing differentiation of the CiPSCs, can be used in a number of applications, including but not limited to cell therapy and tissue engineering.
    Type: Application
    Filed: November 30, 2015
    Publication date: September 19, 2019
    Inventors: Hongkui Deng, Yang Zhao, Ting Zhao, Jingyang Guan, Xu Zhang, Yao Fu, Junqing Ye
  • Patent number: 10309436
    Abstract: Provided is a single-groove and short-tail pulling rivet and an erection method thereof, and the pulling rivet comprises a single groove and a short tail having a broached groove with a continuous and smooth cambered surface, and is characterized by easy manufacturing, low cost and convenient erection. The broached groove is an arc surface with three sections of different radiuses, which solves stress concentration and sticking of a single-groove and short-tail rivet during riveting, and allows a claw of a riveting machine to be engaged to the best position automatically. The tooth profile of a locking groove section of the rivet is a curve combining an arc and a straight line, which greatly improves fastening force.
    Type: Grant
    Filed: December 14, 2016
    Date of Patent: June 4, 2019
    Assignee: MEISHAN CRRC FASTENING SYSTEM CO., LTD.
    Inventors: Xu He, Yu Liu, Kai Fu, Xiong Zhang, Yunlong Jia, Guangcheng Dai, Xinrong Li, Xia Wang, Yong Wan
  • Patent number: 10184456
    Abstract: The present subject matter is directed to a wind turbine blade alignment method. A sensor provided on the blade at a blade station with a known twist angle is used to measure an installation angle of the blade station. The installation angle is adjusted if the installation angle measured by the sensor is not equal to the known twist angle. A wind turbine with such a sensor for measuring an installation angle used for blade alignment is also provided.
    Type: Grant
    Filed: May 7, 2015
    Date of Patent: January 22, 2019
    Assignee: GENERAL ELECTRIC COMPANY
    Inventors: Xiaoming Liu, Xu Fu, Bruce Clark Busbey, Rong Li, Amir Riahi
  • Publication number: 20180274385
    Abstract: A flutter control system for a turbine includes a processor. The processor is configured to detect blade flutter of a turbine. The blade flutter indicates that blades of the turbine are in a deflected position different from a nominal operating position. The processor is configured to control operational parameters of the turbine that reduce or eliminate the blade flutter to improve the reliability and efficiency of the turbine.
    Type: Application
    Filed: December 11, 2015
    Publication date: September 27, 2018
    Inventors: William Forrester Seely, Xu Fu, Mustafa Tekin Dokucu, Ronghui Zhou
  • Patent number: 10072635
    Abstract: A wind turbine including a plurality of blades, a micro inertial measurement unit installed on each blade and configured to sense a plurality of detection parameter signals at corresponding installation positions, and a monitoring system configured to monitor an operating state of the blades. The monitoring system includes a signal processing unit configured to obtain a processing parameter signal through calculation based on the detection parameter signals, a signal analyzing unit configured to analyze each analysis parameter signal, selected from the plurality of detection parameter signals and the processing parameter signal, to obtain a fault estimation signal, used to estimate whether a corresponding blade works in a fault state, and a fault evaluating unit configured to evaluate, based on a plurality of fault estimation signals, whether a corresponding blade fails or a probability that the corresponding blade fails.
    Type: Grant
    Filed: October 30, 2014
    Date of Patent: September 11, 2018
    Assignee: GENERAL ELECTRIC COMPANY
    Inventors: Xu Fu, Zhilin Wu, Hai Qiu
  • Patent number: 10069303
    Abstract: A power generation system is provided. The system includes a bus, at least two converters, an energy-type energy storage unit (ES), a power-type energy storage unit (PS) and a controller. The ES and the PS are coupled in parallel to the bus through corresponding converters of the at least two converters. The controller is configured to control the ES and the PS through the corresponding converters in at least two conditions during a charging mode and a discharging mode: when a power for the ES and PS is below a power threshold, control the power to flow between the ES and the bus; and when the power is above the power threshold, control a part of the power to flow between the ES and the bus and another part of the power to flow between the PS and the bus. And a method for generating power is also provided.
    Type: Grant
    Filed: April 8, 2016
    Date of Patent: September 4, 2018
    Assignee: GENERAL ELECTRIC COMPANY
    Inventors: Tong Zhao, Rong Li, Xu Fu, Bernard P. Landa
  • Patent number: 10018177
    Abstract: A wind turbine includes a rotor comprising multiple blades mounted on a hub, MIMUs mounted on each blade for sensing parameter signals thereof, and a control system. The control system includes a wind speed calculation unit, a wind shear calculation unit, a pitch angle compensation command calculation unit, and a pitch control unit. The wind speed calculation unit is used for calculating wind speeds at the blades based at least on the sensed parameter signals. The wind shear calculation unit is used for calculating a characteristic shear exponent based at least on the calculated wind speeds. The pitch angle compensation command calculation unit is used for calculating pitch angle compensation commands of the blades based at least on the calculated characteristic shear exponent. The pitch control unit is used for adjusting the pitch angles of the blades based on the calculated pitch angle compensation commands.
    Type: Grant
    Filed: September 5, 2014
    Date of Patent: July 10, 2018
    Assignee: GENERAL ELECTRIC COMPANY
    Inventors: Xu Fu, Lihan He, Hai Qiu, Gerald Addison Curtin, Jr., Myungkeun Yoon
  • Publication number: 20180095144
    Abstract: A calibration apparatus is configured to calibrate a magnetostrictive sensor. The magnetostrictive sensor is configured to measure an object and comprises a sensing element positioned adjacent to the object. The calibration apparatus comprises an estimation device and a calibrator. The estimation device is configured to estimate at least one of a gap between the sensing element and the object and a temperature of the object to obtain at least one of an estimated gap and an estimated temperature, based on geometric information, an excitation signal and an output signal of the magnetostrictive sensor, and geometric information of the object. The calibrator is configured to reduce an effect on the output signal of the magnetostrictive sensor imposed by variations in the at least one of the gap and the temperature, based on the at least one of the estimated gap and the estimated temperature, to obtain a calibrated output signal.
    Type: Application
    Filed: September 19, 2017
    Publication date: April 5, 2018
    Inventors: Ronghui ZHOU, Pekka Tapani SIPILA, Dan Tho LU, Xu FU
  • Publication number: 20180051550
    Abstract: A measurement-while-drilling device comprises a base (21) to be connected between the drill pipe and the drill bit, the base having first and second end surfaces (212, 213) at the two axial ends thereof, at least one sensing chamber (22) which has an opening at at least one of the end surfaces, and a passage (23) for circulation of drilling fluid, at least one sensor disposed within the sensing chamber, and a sealing member (26) for sealing the sensing chamber on the at least one end surface.
    Type: Application
    Filed: March 9, 2016
    Publication date: February 22, 2018
    Inventors: Zhiguo REN, Xu FU
  • Publication number: 20170350191
    Abstract: A system for steering a drilling device comprising a drill pipe, is provided therein, the system comprising: a hoop sleeved on the drill pipe of the drilling device and having an outer diameter substantially equal to an inner diameter of a hole to be drilled; and a steering driving mechanism provided between the hoop and the drill pipe, for controlling a radial displacement of the drill pipe relative to a center axis of the hole to be drilled while drilling. The steering driving mechanism comprises one or more sub-mechanisms for connecting the hoop and the drill pipe and driving the drill pipe to move inside the hole, wherein each of the sub-mechanisms comprises an actuator adjustable in length, and a link element with one end rotatably coupled to the actuator and the other end rotatably coupled to hoop.
    Type: Application
    Filed: November 6, 2015
    Publication date: December 7, 2017
    Applicant: General Electric Company
    Inventors: Zhiguo REN, Xu FU
  • Patent number: 9587627
    Abstract: A wind turbine includes multiple blades, multiple Micro Inertial Measurement Units (MIMUs) for sensing parameter signals of the blades, and a control system. The control system includes a blade bending moment calculation unit, a blade bending moment error signal calculation unit, and a pitch angle compensation command calculation unit. The blade bending moment calculation unit is used for calculating blade bending moment values of the blades based at least on the sensed parameters. The blade bending moment error signal calculation unit is used for calculating blade bending moment error signals of the blades based on the calculated blade bending moment values of the blades and multiple blade bending moment commands. The pitch angle compensation command calculation unit is used for calculating pitch angle compensation commands of the blades based on the calculated blade bending moment error signals to adjust pitch angles of the blades respectively.
    Type: Grant
    Filed: July 1, 2013
    Date of Patent: March 7, 2017
    Assignee: GENERAL ELECTRIC COMPANY
    Inventors: Xu Fu, Na Ni, Qiang Li, Zhilin Wu, Lihan He, Hai Qiu, Yong Yang, Gerald Addison Curtin, Jr., Myungkeun Yoon
  • Publication number: 20160352102
    Abstract: A power generation system comprising a plurality of power generation units; a plurality of energy storage units; a plurality of switch units for connecting or disconnecting the power generation units and the energy storage units; and a controller for controlling the switch units to disconnect one or more idle power generation units from their corresponding energy storage units when the idle power generation units stop operating and to connect the disconnected energy storage unit to one operating power generation unit of the plurality of power generation units based on states-of-charge of the energy storage units. The power generation system may make best use of the energy storage units.
    Type: Application
    Filed: May 23, 2016
    Publication date: December 1, 2016
    Inventors: Tong ZHAO, Rong LI, Xu FU
  • Publication number: 20160308361
    Abstract: A power generation system is provided. The system includes a bus, at least two converters, an energy-type energy storage unit (ES), a power-type energy storage unit (PS) and a controller. The ES and the PS are coupled in parallel to the bus through corresponding converters of the at least two converters. The controller is configured to control the ES and the PS through the corresponding converters in at least two conditions during a charging mode and a discharging mode: when a power for the ES and PS is below a power threshold, control the power to flow between the ES and the bus; and when the power is above the power threshold, control a part of the power to flow between the ES and the bus and another part of the power to flow between the PS and the bus. And a method for generating power is also provided.
    Type: Application
    Filed: April 8, 2016
    Publication date: October 20, 2016
    Inventors: Tong ZHAO, Rong LI, Xu FU, Bernard P. Landa
  • Patent number: 9267831
    Abstract: A system for determining a real time solid flow rate of a solid-gas mixture is provided. The system includes multiple sensors, a data-fusion unit and an estimating unit. The sensors generate multiple measurement signals for obtaining at least two measured values of the real time solid flow rate. The data-fusion unit receives the measured values and establishes a state-space model based on the measured values. The estimating unit estimates the state-space model to generate an estimated value of the real time solid flow rate. A method for determining a real time solid flow rate of a solid-gas mixture is also presented.
    Type: Grant
    Filed: January 6, 2011
    Date of Patent: February 23, 2016
    Assignee: General Electric Company
    Inventors: Xu Fu, Baoming Huang, Yao Chen, Tong Zhao, Zili Cai, Zhongzhi Hu
  • Publication number: 20150330364
    Abstract: The present subject matter is directed to a wind turbine blade alignment method. A sensor provided on the blade at a blade station with a known twist angle is used to measure an installation angle of the blade station. The installation angle is adjusted if the installation angle measured by the sensor is not equal to the known twist angle. A wind turbine with such a sensor for measuring an installation angle used for blade alignment is also provided.
    Type: Application
    Filed: May 7, 2015
    Publication date: November 19, 2015
    Inventors: Xiaoming LIU, Xu FU, Bruce Clark BUSBEY, Rong LI, Amir RIAHI
  • Patent number: 9122280
    Abstract: A control system for controlling a dry feed system to convey a solid fuel includes multiple sensors, a pressurizing gas controller, at least one assistant gas controller and multiple gas valves. The sensors generate multiple measurement signals signifying characteristics of the dry feed system. The pressuring gas controller calculates a feed tank pressure bias or/and a pressuring gas flow bias based on a solid flow rate and generates a first control signal based on the pressure bias or/and the pressurizing gas flow bias. The assistant gas controller calculates an assistant gas bias based on a solid loading ratio and generates a second control signal based on the assistant gas bias. The gas valves are driven by the first or/and second control signals to regulate the solid fuel. A control method is also described.
    Type: Grant
    Filed: May 20, 2011
    Date of Patent: September 1, 2015
    Assignee: GENERAL ELECTRIC COMPANY
    Inventors: Xu Fu, Zhongzhi Hu, Tong Zhao, Zili Cai, Yao Chen, Baoming Huang, Wei Chen, Ke Liu
  • Publication number: 20150134272
    Abstract: A wind turbine including a plurality of blades, a micro inertial measurement unit installed on each blade and configured to sense a plurality of detection parameter signals at corresponding installation positions, and a monitoring system configured to monitor an operating state of the blades. The monitoring system includes a signal processing unit configured to obtain a processing parameter signal through calculation based on the detection parameter signals, a signal analyzing unit configured to analyze each analysis parameter signal, selected from the plurality of detection parameter signals and the processing parameter signal, to obtain a fault estimation signal, used to estimate whether a corresponding blade works in a fault state, and a fault evaluating unit configured to evaluate, based on a plurality of fault estimation signals, whether a corresponding blade fails or a probability that the corresponding blade fails.
    Type: Application
    Filed: October 30, 2014
    Publication date: May 14, 2015
    Inventors: Xu FU, Zhilin WU, Hai QIU
  • Publication number: 20150118047
    Abstract: A method for determining parameters of a wind turbine is disclosed. The method may generally include receiving signals from at least one Micro Inertial Measurement Unit (MIMU) mounted on or within a component of the wind turbine and determining at least one parameter of the wind turbine based on the signals received from the at least one MIMU.
    Type: Application
    Filed: January 27, 2012
    Publication date: April 30, 2015
    Inventors: Ken Yoon, Brandon Shane Gerber, Lisa Kamdar Ammann, Hai Qiu, Yong Yang, Zhilin Wu, Xu Fu, Lihan He, Na Ni, Qiang Li
  • Publication number: 20150086362
    Abstract: A wind turbine includes a rotor comprising multiple blades mounted on a hub, MIMUs mounted on each blade for sensing parameter signals thereof, and a control system. The control system includes a wind speed calculation unit, a wind shear calculation unit, a pitch angle compensation command calculation unit, and a pitch control unit. The wind speed calculation unit is used for calculating wind speeds at the blades based at least on the sensed parameter signals. The wind shear calculation unit is used for calculating a characteristic shear exponent based at least on the calculated wind speeds. The pitch angle compensation command calculation unit is used for calculating pitch angle compensation commands of the blades based at least on the calculated characteristic shear exponent. The pitch control unit is used for adjusting the pitch angles of the blades based on the calculated pitch angle compensation commands.
    Type: Application
    Filed: September 5, 2014
    Publication date: March 26, 2015
    Inventors: Xu FU, Lihan HE, Hai QIU, Gerald Addison CURTIN, JR., Myungkeun YOON