Patents by Inventor Liufeng HAO

Liufeng HAO 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: 11572862
    Abstract: A segmented blade, which includes a first blade segment having a first main beam, wherein the first main beam includes a first body portion disposed within the first blade segment and a first engaging portion extending from an end portion of the first body portion toward a direction which is away from the blade root; a second blade segment having a second main beam, wherein the second main beam includes a second body portion disposed within the second blade segment and a second engaging portion extending from an end portion of the second body portion toward a direction which approaches the blade root, and the second engaging portion being engaged in the first engaging portion; and an outer skin, which covers a gap between the first blade segment and the second blade segment. Also provided are a method for connecting segmented blades and a wind power generator set.
    Type: Grant
    Filed: May 21, 2018
    Date of Patent: February 7, 2023
    Assignee: JIANGSU GOLDWIND SCIENCE & TECHNOLOGY CO., LTD.
    Inventors: Xingbo Wang, Yu Zhu, Liufeng Hao
  • Patent number: 11339761
    Abstract: A bolt sleeve connector, a blade of a wind turbine generator system and manufacturing method thereof and a wind turbine generator system are provided. The bolt sleeve connector includes at least two extension portions arranged side by side and spaced apart, and each extension portion has a first end and a second end. The first ends of the extension portions are connected together and the second end of each extension portion is connected with the corresponding bolt sleeve. By using the bolt sleeve connectors to connect multiple pre-embedded connection sleeves at the position of the blade root of the blade of the wind turbine generator system, the multiple pre-embedded connection sleeves are connected as a whole, thus can disperse the stress of the bolt and the bolt sleeve and then improve the bearing capacity of the blade root bolt and facilitate reducing the weight of the blade root.
    Type: Grant
    Filed: June 20, 2017
    Date of Patent: May 24, 2022
    Assignee: BEIJING GOLDWIND SCIENCE & CREATION WINDPOWER EQUIPMENT CO., LTD.
    Inventors: Xingbo Wang, Liufeng Hao
  • Publication number: 20210190034
    Abstract: A segmented blade, which includes a first blade segment having a first main beam, wherein the first main beam includes a first body portion disposed within the first blade segment and a first engaging portion extending from an end portion of the first body portion toward a direction which is away from the blade root; a second blade segment having a second main beam, wherein the second main beam includes a second body portion disposed within the second blade segment and a second engaging portion extending from an end portion of the second body portion toward a direction which approaches the blade root, and the second engaging portion being engaged in the first engaging portion; and an outer skin, which covers a gap between the first blade segment and the second blade segment. Also provided are a method for connecting segmented blades and a wind power generator set.
    Type: Application
    Filed: May 21, 2018
    Publication date: June 24, 2021
    Inventors: Xingbo WANG, Yu ZHU, Liufeng HAO
  • Publication number: 20200300215
    Abstract: A bolt sleeve connector, a blade of a wind turbine generator system and manufacturing method thereof and a wind turbine generator system are provided. The bolt sleeve connector includes at least two extension portions arranged side by side and spaced apart, and each extension portion has a first end and a second end. The first ends of the extension portions are connected together and the second end of each extension portion is connected with the corresponding bolt sleeve. By using the bolt sleeve connectors to connect multiple pre-embedded connection sleeves at the position of the blade root of the blade of the wind turbine generator system, the multiple pre-embedded connection sleeves are connected as a whole, thus can disperse the stress of the bolt and the bolt sleeve and then improve the bearing capacity of the blade root bolt and facilitate reducing the weight of the blade root.
    Type: Application
    Filed: June 20, 2017
    Publication date: September 24, 2020
    Applicant: BEIJING GOLDWIND SCIENCE & CREATION WINDPOWER EQUIPMENT CO., LTD.
    Inventors: Xingbo WANG, Liufeng HAO