Patents by Inventor Vadim I. Pryadilov

Vadim I. Pryadilov 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).

  • Device for automatic balancing of grinding wheel
    Patent number: 4905419
    Abstract: A device for automatic balancing of a grinding wheel (2) mounted on a spindle (3) comprises an unbalance correction mechanism made as a housing (5) having chambers (7.sub.1, 7.sub.2, 7.sub.3) connected to a source of fluid (19) through a distributor unit (9) made as hydraulic valves (10) provided with electromagnetic drives (12.sub.1, 12.sub.2, 12.sub.3), pickups (17.sub.1, 17.sub.2, 17.sub.3) of position of the chambers, said pickups being mounted on a machine base (4), an unbalance transducer (1) connected to an amplifier-shaper (13). The output of the amplifier-shaper (13) is connected to a common input of a coincidence gate (16) the other inputs of which and the output are connected respectively to the outputs of the pickups (17.sub.1, 17.sub.2, 17.sub.3) of position of the chambers (7.sub.1, 7.sub.2, 7.sub.3) and to the input of the distributor unit (9), while the unbalance correction mechanism is provided with at least one marker (21).
    Type: Grant
    Filed: November 7, 1988
    Date of Patent: March 6, 1990
    Inventors: Oleg A. Makarov, Vladimir I. Nisenman, Vadim I. Pryadilov, Juris P. Tsimansky