Patents by Inventor Thomas ERLWEIN

Thomas ERLWEIN 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).

  • Quickly closing switch element
    Patent number: 10388475
    Abstract: A switch, in particular a grounding switch, is for quickly establishing a ground connection and for extinguishing an arc fault for a switching system. The grounding switch includes at least one fixed contact having a first cable feed, a moving contact, a contact guide having a second cable feed, and a mechanical energy store. In the opened state, an insulating distance between the fixed contact and the moving contact, is filled with insulation liquid, at least in part. The switch further includes a triggering device and a locking mechanism.
    Type: Grant
    Filed: May 19, 2016
    Date of Patent: August 20, 2019
    Assignee: SIEMENS AKTIENGSELLSCHAFT
    Inventors: Martin Boettcher, Thomas Erlwein, Karsten Freundt, Sarai Gonzalez, Christian Heinrichs, Stefan Lecheler, Dorothea Pohlmann, Werner Schmidt
  • QUICKLY CLOSING SWITCH ELEMENT
    Publication number: 20180144890
    Abstract: A switch, in particular a grounding switch, is for quickly establishing a ground connection and for extinguishing an arc fault for a switching system. The grounding switch includes at least one fixed contact having a first cable feed, a moving contact, a contact guide having a second cable feed, and a mechanical energy store. In the opened state, an insulating distance between the fixed contact and the moving contact, is filled with insulation liquid, at least in part. The switch further includes a triggering device and a locking mechanism.
    Type: Application
    Filed: May 19, 2016
    Publication date: May 24, 2018
    Applicant: Siemens Aktiengesellschaft
    Inventors: Martin BOETTCHER, Thomas ERLWEIN, Karsten FREUNDT, Sara GONZALEZ, Christian HEINRICHS, Stefan LECHELER, Dorothea POHLMANN, Werner SCHMIDT