Patents Represented by Attorney Yuri Katesov

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  • Unchokable centrifugal pump
    Patent number: 5516261
    Abstract: A centrifugal pump having a single-blade rotor whose central suction mouth, remote from the driving shaft, is in alignment with the inlet opening, the inlet opening forming an annular collar which so projects into the inside of the rotor that the inner end of the rotor blade forms a narrow gap with the outer surface of the collar.
    Type: Grant
    Filed: June 10, 1994
    Date of Patent: May 14, 1996
    Assignee: Wilo GmbH
    Inventor: Manfred Zelder