Patents by Inventor Haiyun Li

Haiyun Li 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: 11767764
    Abstract: A turbomachine airfoil element includes an airfoil having pressure and suction sides spaced apart from one another in a thickness direction and joined to one another at leading and trailing edges. The airfoil extends in a radial direction a span that is in a range of 0.83-0.93 inch (21.1-23.6 mm). A chord length extends in a chordwise direction from the leading edge to the trailing edge at 50% span and is in a range of 0.80-0.90 inch (20.4-22.9 mm). The airfoil element includes at least two of a first mode with a frequency is 3135±10% Hz, a second mode with a frequency is 6634±10% Hz, a third mode with a frequency is 13260±10% Hz, a fourth mode with a frequency is 16838±10% Hz and a fifth mode with a frequency is 17980±10% Hz.
    Type: Grant
    Filed: September 24, 2020
    Date of Patent: September 26, 2023
    Assignee: RTX CORPORATION
    Inventors: Haiyun Li, Eliannah Hunderfund, Sean Nolan
  • Patent number: 11231050
    Abstract: A turbomachine airfoil element includes an airfoil having pressure and suction sides spaced apart from one another in a thickness direction and joined to one another at leading and trailing edges. The airfoil extends in a radial direction a span that is in a range of 0.60-0.70 inch (15.3-17.8 mm). A chord length extends in a chordwise direction from the leading edge to the trailing edge at 50% span and is in a range of 0.90-1.00 inch (22.9-25.5 mm). The airfoil element includes at least two of a first mode with a frequency of 5327±10% Hz, a second mode with a frequency of 8393±10% Hz, a third mode with a frequency of 16289±10% Hz, a fourth mode with a frequency of 25049±10% Hz and a fifth mode with a frequency of 27423±10% Hz.
    Type: Grant
    Filed: January 12, 2018
    Date of Patent: January 25, 2022
    Assignee: Raytheon Technologies Corporation
    Inventors: Haiyun Li, Eliannah Hunderfund, Sean Nolan, Joseph Steele, Marian A. Iskandar
  • Patent number: 10865809
    Abstract: A turbomachine airfoil element includes an airfoil having pressure and suction sides spaced apart from one another in a thickness direction and joined to one another at leading and trailing edges. The airfoil extends in a radial direction a span that is in a range of 0.70-0.85 inch (17.8-20.3 mm). A chord length extends in a chordwise direction from the leading edge to the trailing edge at 50% span and is in a range of 0.85-0.95 inch (21.5-24.0 mm). The airfoil element includes at least two of a first mode with a frequency of 4508±10% Hz, a second mode with a frequency of 7466±10% Hz, a third mode with a frequency of 16104±10% Hz, a fourth mode with a frequency of 18397±10% Hz and a fifth mode with a frequency of 20855±10% Hz.
    Type: Grant
    Filed: January 12, 2018
    Date of Patent: December 15, 2020
    Assignee: Raytheon Technologies Corporation
    Inventors: Haiyun Li, Eliannah Hunderfund, Sean Nolan
  • Patent number: 10697304
    Abstract: A turbomachine airfoil element includes an airfoil that has pressure and suction sides spaced apart from one another in a thickness direction and joined to one another at leading and trailing edges. The airfoil extends in a radial direction a span that is in a range of 1.03-1.13 inch (26.2-28.7 mm). A chord length extends in a chordwise direction from the leading edge to the trailing edge at 50% span and is in a range of 0.93-1.03 inch (23.6-26.2 mm). The airfoil element includes at least two of a first mode with a frequency of 2182±10% Hz, a second mode with a frequency of 4966±10% Hz, a third mode with a frequency of 9675±10% Hz, a fourth mode with a frequency of 13154±10% Hz and a fifth mode with a frequency of 14056±10% Hz.
    Type: Grant
    Filed: January 12, 2018
    Date of Patent: June 30, 2020
    Assignee: Raytheon Technologies Corporation
    Inventors: Haiyun Li, Eliannah Hunderfund, Sean Nolan
  • Publication number: 20070189243
    Abstract: A method for achieving load balance between access point devices in a wireless local area network and it's applicable for a wireless local area network in which multiple access points provide wireless connection service for a plurality of wireless mobile stations. In the method, a master access point, which allows a mobile wireless station to access, is elected by the manner of exchanging messages among the multiple access points. And the rest of the multiple access points are set as slave access points which refuse the wireless mobile station to access. The present invention overcomes the shortages of the prior art, in which load balance is achieved by depending on an external service controller of the access point AP or which can only be applied to special STA user groups. Also, the present invention solves the problem of achieving dynamic load balance between the access points by utilizing the valid resources effectively.
    Type: Application
    Filed: February 23, 2005
    Publication date: August 16, 2007
    Inventors: Zhanli Wang, Wei Wang, Haiyun Li
  • Patent number: D937690
    Type: Grant
    Filed: August 18, 2020
    Date of Patent: December 7, 2021
    Inventors: Kang Wang, Sha Li, Nanfei Chen, Yang Zhao, Jianfeng Lin, Min Zhang, Haiyun Li, Jianwen Fu
  • Patent number: D946731
    Type: Grant
    Filed: September 24, 2020
    Date of Patent: March 22, 2022
    Inventors: Jianwen Fu, Sha Li, Nanfei Chen, Jianfeng Lin, Kang Wang, Haiyun Li