Patents by Inventor Iustin Tirgovet

Iustin Tirgovet 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).

  • Vacuum pump outlet valve
    Patent number: 9863422
    Abstract: The invention concerns an outlet valve, in particular of a vacuum pump, with a main valve spring which, in a closed state of the outlet valve, closes at least one outlet opening from which the main valve spring lifts off on opening of the outlet valve, and with a hold-down element which forms a stop for the main valve spring on opening, wherein at least one additional valve spring is arranged between the main valve spring and the hold-down element. The invention is distinguished in that in closed state of the outlet valve, the additional valve spring is partly spaced from the main valve spring in the opening direction, in particular spaced with a free end from a free end of the main valve spring.
    Type: Grant
    Filed: November 5, 2014
    Date of Patent: January 9, 2018
    Assignee: MAGNA POWERTRAIN BAD HOMBURG GMBH
    Inventor: Iustin Tirgovet
  • OUTLET VALVE
    Publication number: 20160312783
    Abstract: The invention concerns an outlet valve, in particular of a vacuum pump, with a main valve spring which, in a closed state of the outlet valve, closes at least one outlet opening from which the main valve spring lifts off on opening of the outlet valve, and with a hold-down element which forms a stop for the main valve spring on opening, wherein at least one additional valve spring is arranged between the main valve spring and the hold-down element. The invention is distinguished in that in closed state of the outlet valve, the additional valve spring is partly spaced from the main valve spring in the opening direction, in particular spaced with a free end from a free end of the main valve spring.
    Type: Application
    Filed: November 5, 2014
    Publication date: October 27, 2016
    Inventor: Iustin Tirgovet