Patents by Inventor ShengJun Qian

ShengJun Qian 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: 20240102205
    Abstract: A multifunctional fiber with full-spectrum infrared radiation, flame retardant and antibacterial functions, including a composite masterbatch having a water content of 30-50 ppm and accounting for 10-12% by weight, polyethylene terephthalate having a water content of 25-30 ppm or polycaprolactam high polymer having a water content of 50-70 ppm and accounting for 88-90% by weight; the fiber and its fabric possess multiple functions such as spectral heating, flame retardancy, anti-bacteria and anti-virus; after being illuminated for 5-10 minutes, the temperature difference of the fiber fabric of the present invention is higher than 15-20° C., the far-infrared emissivity is greater than 98%, the radiation temperature rise is greater than 3.0° C., the CLO value is greater than 0.5, the heat transfer coefficient is greater than 18.0w/(m2k), and the thermal resistance is less than 0.05 (m2k)/w.
    Type: Application
    Filed: December 8, 2021
    Publication date: March 28, 2024
    Inventors: Shengjun LI, Shouyun ZHANG, Yanlin SUN, Yanli LIU, Tingting QIAN, Mengna LOU, Weixing YANG
  • Patent number: 11192756
    Abstract: A handrail safety control device, a transportation system and a handrail safety control method. The handrail safety control device is provided for a transportation system having a handrail, the handrail including a body and a handrail belt, the handrail belt being driven under power to move relative to the body and forming an engaged state or a disengaged state with the body. The handrail safety control device includes: a contact portion disposed in a preset section of the handrail, the contact portion being in a first state or a second state respectively when the handrail belt in the preset section is in the engaged state or the disengaged state, wherein in the first state, the contact portion is in contact with the handrail belt, and in the second state, the contact portion is at least partially out of contact with the handrail belt; and a signal generation portion.
    Type: Grant
    Filed: November 13, 2020
    Date of Patent: December 7, 2021
    Assignee: OTIS ELEVATOR COMPANY
    Inventors: Hai Cui, Qing Cheng, Yi Fang, Xingsong Xu, Xinxiang Jiang, JiaYing Chen, ShengJun Qian, HuaLiang Xu, ShaoDong Huang
  • Publication number: 20210300730
    Abstract: A handrail safety control device, a transportation system and a handrail safety control method. The handrail safety control device is provided for a transportation system having a handrail, the handrail including a body and a handrail belt, the handrail belt being driven under power to move relative to the body and forming an engaged state or a disengaged state with the body. The handrail safety control device includes: a contact portion disposed in a preset section of the handrail, the contact portion being in a first state or a second state respectively when the handrail belt in the preset section is in the engaged state or the disengaged state, wherein in the first state, the contact portion is in contact with the handrail belt, and in the second state, the contact portion is at least partially out of contact with the handrail belt; and a signal generation portion.
    Type: Application
    Filed: November 13, 2020
    Publication date: September 30, 2021
    Inventors: Hai Cui, Qing Cheng, Yi Fang, Xingsong Xu, Xinxiang Jiang, JiaYing Chen, ShengJun Qian, HuaLiang Xu, ShaoDong Huang