Patents by Inventor Jury P. Roiko

Jury P. Roiko 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: 4716273
    Abstract: An arc trainer for welders comprises a welding electrode simulator, a welding object simulating unit, a welding power source whose outputs are connected to the electrode simulator and to the welding object simulation unit, a unit controlling the quality of the simulated welding process and generation of feedback signals for the trainee, which is connected to the welding electrode simulator and to the welding power source, a unit monitoring variations of welding parameters, which is connected to the control unit and to the welding power source, and a helmet connected to the control unit.
    Type: Grant
    Filed: December 30, 1986
    Date of Patent: December 29, 1987
    Assignee: Institute Problem Modelirovania V Energetike Akademii Nauk Ukrainskoi SSR
    Inventors: Boris E. Paton, Vsevolod V. Vasiliev, Valentin A. Bogdanovsky, Sergei N. Danilyak, Viktor M. Gavva, Jury P. Roiko, Valery A. Nushko
  • Patent number: 4689021
    Abstract: A spark trainer for welders comprises a welding electrode simulator, an electric spark generator connected to the electrode simulator, a welding object simulation unit, a spark discharge being produced between said welding object simulation unit and the tip of the welding electrode simulator in order to simulate the welding arc, a unit for monitoring the position of the tip of the electrode simulator in relation to the simulated welding object, a welding process control unit having its input connected to the electrode simulator tip position monitoring unit, electric spark generator, and a helmet with earphones.
    Type: Grant
    Filed: October 14, 1986
    Date of Patent: August 25, 1987
    Assignee: Institute Problem Modelirovaniya v Energetike an UKR.SSR
    Inventors: Vsevolod V. Vasiliev, Sergei N. Danilyak, Anna I. Levina, Valery A. Nushko, Jury P. Roiko