Patents by Inventor Boguslaw Karewicz

Boguslaw Karewicz 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).

  • Shrouded rotor blade annulus for a centripetal turbine stage
    Patent number: 4086027
    Abstract: A shrouded rotor blade annulus for a double flow centripetal turbine stage, comprising a center row of radial blades and two end rows of axial blades mounted on the periphery of a turbine rotor disc or drum, and two segmented annular shrouds, each covering the top of an axial blade row and one side of the radial blade row, with the shroud segments being integral with the axial blades. In an alternate embodiment, the radial blades are integral with shroud segments forming the side portion of the two shrouds adjacent these radial blades and the axial blades are integral with adjacent shroud segments forming the deck portion of these shrouds and covering the axial blade rows.
    Type: Grant
    Filed: April 4, 1975
    Date of Patent: April 25, 1978
    Assignees: Politechnika Lodzka, Zaklady Mechaniczne im. Gen. Karola Swierczewskiego "Zamech"
    Inventors: Wladyslaw Gundlach, Jerzy Porochnicki, Jerzy Prywer, Boguslaw Karewicz, Andrzej Potapczyk, Krzysztof Zielenow