Patents by Inventor Filip Krulis

Filip Krulis 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).

  • Seal assembly for a rotary member
    Patent number: 7931278
    Abstract: There is described a seal assembly for sealing the gap between a rotary member and a fixed member, so as to prevent passage of a fluid from a first to a second environment located on opposite sides of the gap; the seal assembly has a first ring integral with the rotary member, a second ring integral with the fixed member, and an elastically deformable sealing member integral with the second ring and in turn having at least one lip cooperating in fluidtight manner with a mating portion of the first ring; and, on the side cooperating with the mating portion, the sealing member has a spiral groove which, in use, produces a fluid-dynamic pumping effect to pump the fluid away from the sealing area and towards the first environment.
    Type: Grant
    Filed: September 22, 2005
    Date of Patent: April 26, 2011
    Assignee: Corcos Industriale S.A.S. di Externa Italia S.R.L
    Inventors: Filip Krulis, Francesco Vignolo
  • Seal assembly for a rotary member
    Publication number: 20070063450
    Abstract: There is described a seal assembly for sealing the gap between a rotary member and a fixed member, so as to prevent passage of a fluid from a first to a second environment located on opposite sides of the gap; the seal assembly has a first ring integral with the rotary member, a second ring integral with the fixed member, and an elastically deformable sealing member integral with the second ring and in turn having at least one lip cooperating in fluidtight manner with a mating portion of the first ring; and, on the side cooperating with the mating portion, the sealing member has a spiral groove which, in use, produces a fluid-dynamic pumping effect to pump the fluid away from the sealing area and towards the first environment.
    Type: Application
    Filed: September 22, 2005
    Publication date: March 22, 2007
    Applicant: Corcos Industriale S.p.A.
    Inventors: Filip Krulis, Francesco Vignolo