Patents by Inventor Owe Rask

Owe Rask 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).

  • Patent number: 9979106
    Abstract: A field device connection unit has a main body, on which a plurality of connection elements for connection of connecting lines to field devices and a plurality of slots each intended for receiving a respective plug-in unit are arranged. The plug-in unit has a first group of field-side plug contact devices which are connected by the connection elements for connection of connecting lines to field devices, and a second group of system-side plug contact devices which are connected to a higher-level arrangement. For testing of the field device connection unit when the field wiring is disconnected, the plug-in units have a resilient latching cam, which latches switchably in a recess in the main body, the contacts of the second group of system-side plug contact devices being closed and the contacts of the first group of field-side plug contact devices being opened.
    Type: Grant
    Filed: August 18, 2017
    Date of Patent: May 22, 2018
    Assignee: ABB Schweiz AG
    Inventors: Rolf Eriksson, Erik Hammarstrand, Owe Rask
  • Publication number: 20170346205
    Abstract: A field device connection unit has a main body, on which a plurality of connection elements for connection of connecting lines to field devices and a plurality of slots each intended for receiving a respective plug-in unit are arranged. The plug-in unit has a first group of field-side plug contact devices which are connected by the connection elements for connection of connecting lines to field devices, and a second group of system-side plug contact devices which are connected to a higher-level arrangement. For testing of the field device connection unit when the field wiring is disconnected, the plug-in units have a resilient latching cam, which latches switchably in a recess in the main body, the contacts of the second group of system-side plug contact devices being closed and the contacts of the first group of field-side plug contact devices being opened.
    Type: Application
    Filed: August 18, 2017
    Publication date: November 30, 2017
    Inventors: Rolf Eriksson, Erik Hammarstrand, Owe Rask