Patents by Inventor Dag Nordin

Dag Nordin 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).

  • Bearing bracket assembly for a submersible motor driven pump
    Patent number: 4101139
    Abstract: An improved bearing bracket is provided for a submersible close-coupled motor and pump wherein the bearing bracket supports an outer non-rotating ring of a ball bearing that rotatably supports the motor shaft at a location between the motor and pump. The bearing bracket sealingly supports two concentric non-rotating seal elements that engage a radially extending flange mounted on the end of the motor shaft to provide a seal between the pump and the motor housings. The space between the seal elements is connected to a reservoir for supplying a lubricating and cooling medium for the seal elements.
    Type: Grant
    Filed: April 4, 1977
    Date of Patent: July 18, 1978
    Assignee: ITT Industries, Incorporated
    Inventor: Dag Nordin