Patents by Inventor Oleksandr K. Kharchenko

Oleksandr K. Kharchenko 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).

  • Machine for flash-butt welding of rails
    Patent number: 8907242
    Abstract: A machine for the flash butt welding of rails is provided. The machine comprises electric contacts yokes having controlled drives and further comprise holes through which guide pins are passed.
    Type: Grant
    Filed: December 29, 2011
    Date of Patent: December 9, 2014
    Assignee: E. O. Paton Electric Welding Institute of the National Academy of Sciences of Ukraine
    Inventors: Sergey I. Kuchuk-Yatsenko, Valerii G. Krivenko, Oleksandr V. Didkovskiy, Oleksandr K. Kharchenko, Andrey N. Levchuk
  • MACHINE FOR FLASH-BUTT WELDING OF RAILS
    Publication number: 20130008874
    Abstract: A machine for the flash-butt welding of rails has two tong-type clamping devices, made in the form of two double-arm levers mounted on a common central axle and isolated from one another, hydraulic cylinders of clamping and displacement of parts being welded, two welding transformers built into double-arm levers of one of two tong-type clamping devices, and current-carrying elements which include rods of displacement and upsetting, electric contacts-yokes and flexible jumpers. The electric contacts-yokes have controlled drives and the upper part of each electric contacts-yoke has holes, through which guide pins are passed, and a retaining spring is fixed on a lateral surface of the electric contacts-yoke.
    Type: Application
    Filed: December 29, 2011
    Publication date: January 10, 2013
    Applicant: E.O. Paton Electric Welding
    Inventors: Sergey I. Kuchuk-Yatsenko, Valerii G. Krivenko, Oleksandr V. Didkovskiy, Oleksandr K. Kharchenko, Andrey N. Levchuk