Patents by Inventor Gunnar Nordfors

Gunnar Nordfors 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).

  • Publication number: 20210131408
    Abstract: A drainage pump assembly includes a drainage pump and an outlet conduit connected to the drainage pump. The drainage pump includes a pump chamber and is configured to pump liquid having solid matter. The outlet conduit includes a sedimentation trap having an inlet opening, an outlet opening and a belly located between the inlet opening and the outlet opening. A first conduit extends between the pump chamber of the drainage pump and the belly of the sedimentation trap. The first conduit includes a non-return valve. The outlet opening of the sedimentation trap is configured to be connected to a second conduit.
    Type: Application
    Filed: February 19, 2018
    Publication date: May 6, 2021
    Applicant: Xylem Europe GmbH
    Inventors: Per Hörlén, Gunnar Nordfors, Jan Wikström, Anders Göras
  • Patent number: 9391439
    Abstract: A partition for fluid tight sealing between a motor compartment and a coupling compartment of an immersible machine is described. The partition includes a partition wall having a seat, and at least one coupling terminal arranged in the seat, the coupling terminal being accessible from a primary side of the partition, and from a secondary side of the partition. A sealing member is located in at least a part of the interface between the seat of the partition wall and the coupling terminal, and a retention means is arranged to retain the coupling terminal in the seat. The coupling terminal includes a primary spring clip engageable from the primary side and a secondary spring clip engageable from the secondary side. Also disclosed is an immersible machine including such a partition.
    Type: Grant
    Filed: March 22, 2012
    Date of Patent: July 12, 2016
    Assignee: Xylem IP Holdings LLC
    Inventor: Gunnar Nordfors
  • Publication number: 20140008878
    Abstract: A partition for fluid tight sealing between a motor compartment and a coupling compartment of an immersible machine is described. The partition includes a partition wall having a seat, and at least one coupling terminal arranged in the seat, the coupling terminal being accessible from a primary side of the partition, and from a secondary side of the partition. A sealing member is located in at least a part of the interface between the seat of the partition wall and the coupling terminal, and a retention means is arranged to retain the coupling terminal in the seat. The coupling terminal includes a primary spring clip engageable from the primary side and a secondary spring clip engageable from the secondary side. Also disclosed is an immersible machine including such a partition.
    Type: Application
    Filed: March 22, 2012
    Publication date: January 9, 2014
    Applicant: Xylem IP Holdings LLC
    Inventor: Gunnar Nordfors