Patents by Inventor Igor Martynovich Kalnin

Igor Martynovich Kalnin 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).

  • Suction valve of the piston compressor
    Patent number: 4115043
    Abstract: A suction valve, preferably with a plate closing member, is made without any mechanical spring members and comprises a plate travel damper in the form of freely movable valve plate arranged on one or both sides of a pressure accumulating chambers having metering orifices through which flows gas under a mean pressure towards the closing orifice, a gas cushion is created to damp the travel of the plate.
    Type: Grant
    Filed: November 24, 1976
    Date of Patent: September 19, 1978
    Inventors: Alexandr Vasilievich Bykov, Igor Martynovich Kalnin, Vsevolod Sergeevich Scherbakov, Igor Andreevich Gruzintsev
  • Multiple-stage centrifugal compressor
    Patent number: 3976395
    Abstract: A multiple-stage centrifugal compressor without a horizontal joint wherein the stator consists of a package of interconnected diaphragms with cylindrical holes for the installation of the labyrinth seal holders. The cylindrical holes vary in diameter along the longitudinal axis of the compressor, said diameter increasing in steps towards end of the diaphragm package.
    Type: Grant
    Filed: September 12, 1975
    Date of Patent: August 24, 1976
    Inventors: Igor Martynovich Kalnin, Beniamin Lvovich Tsirlin, Elena Zalmanovna Bukhter, Alexandra Dmitrievna Terenina, Galina Ivanovna Eremkina, Andrei Ivanovich Poteiko, Khanon Yakovlevich Breslov