Patents by Inventor Mohammad Soltani Velashjerd

Mohammad Soltani Velashjerd 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).

  • Rotary damping
    Patent number: 11035430
    Abstract: A damping system for damping rotary movements of a tailing arm. The system includes a chassis, a main shaft, and a rotary damping mechanism. The rotary damping mechanism includes a first externally-threaded gear attached fixedly to the main shaft, a guide rail attached fixedly to the chassis, a linear shock absorber, an internally-threaded gear associated with the first externally-threaded gear, and a first actuator configured to decouple the first externally-threaded gear from the linear shock absorber and couple the first externally-threaded gear with the linear shock absorber.
    Type: Grant
    Filed: October 22, 2019
    Date of Patent: June 15, 2021
    Inventors: Maryam Ghassabzadeh Saryazdi, Mehrdad Daghagh, Mohammad Soltani Velashjerd
  • ROTARY DAMPING
    Publication number: 20200049218
    Abstract: A damping system for damping rotary movements of a tailing arm. The system includes a chassis, a main shaft, and a rotary damping mechanism. The rotary damping mechanism includes a first externally-threaded gear attached fixedly to the main shaft, a guide rail attached fixedly to the chassis, a linear shock absorber, an internally-threaded gear associated with the first externally-threaded gear, and a first actuator configured to decouple the first externally-threaded gear from the linear shock absorber and couple the first externally-threaded gear with the linear shock absorber.
    Type: Application
    Filed: October 22, 2019
    Publication date: February 13, 2020
    Applicant: Amirkabir University of Tehran
    Inventors: Maryam Ghassabzadeh Saryazdi, Mehrdad Daghagh, Mohammad Soltani Velashjerd