Patents by Inventor Jury P. Kurzov

Jury P. Kurzov 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).

  • Automatic coupling device to connect tractor and tractor-drawn means hydraulic systems
    Patent number: 4371004
    Abstract: An automatic coupling device to connect a hydraulic system tractor and a tractor-drawn device hydraulic system comprises a panel secured on the tractor-drawn device and a body mounted on the tractor. The panel accommodates receiving unions with shut-off valves. The body has blind bores accommodating hollow plungers each fitted with a shut-off valve at the end face operatively engaging the union. In each of the bores, the corresponding the plunger defines a bottom chamber, the bottom chambers communicating with each other and with a branch of a pressure port provided in the body. An aperture is provided in the side wall of one of the plungers, at the end face opposite to that operatively engaging the union, to communicate the hollow of this plunger with the pressure port, and a similar aperture is provided in the side wall of the other plunger to communicate its hollow with a drain port provided in the body.
    Type: Grant
    Filed: September 17, 1980
    Date of Patent: February 1, 1983
    Inventors: Petr V. Sysolin, Ivan I. Zaitsev, Gary M. Pekerman, Jury P. Kurzov, Alexandr E. Tompakov, Valery A. Maljuchenkov, Alexandr S. Kabachenko