Patents by Inventor Valentina A. Khabetskaya

Valentina A. Khabetskaya 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).

  • Screw machine having a plurality of symmetrically arranged rotors
    Patent number: 4764094
    Abstract: The screw machine comprises consecutively mounted screw mechanisms (6, 7 and 8, 9) incorporating coaxially arranged stators (10, 12 and 14, 16) and rotors (11, 13 and 15, 17) disposed therein whose axes are offset with respect to the central axis of the stators (10, 12 and 14, 16) by the amount of eccentricity "e" of the screw mechanisms (6, 7 and 8, 9). The screw mechanisms (6, 7 and 8, 9) are grouped into modules (4, and 5) and the modules proper are grouped into blocks (3). The axes of the rotors (11, 13, 15, 17) of the screw mechanisms (6, 7 and 8, 9) in the module (4 and 5) and the modules (4, and 5) proper in the block (3) are arranged symmetrically relative to the central axis.
    Type: Grant
    Filed: March 20, 1987
    Date of Patent: August 16, 1988
    Assignee: Vsesojuzny Nauchno-Issledovatelsky Institut Burovoi Tekhniki
    Inventors: Dmitry F. Baldenko, Jury V. Vadetsky, Moisei T. Gusman, Valery I. Semenets, Valentina A. Khabetskaya