Patents by Inventor Sigvard Mattsson

Sigvard Mattsson 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: 9324527
    Abstract: An arc monitor for tripping a circuit breaker in the event of an arc occurrence, the arc monitor including at least one arc detector and arranged to be operatively connected to at least one circuit breaker. The arc monitor includes a base unit and at least one extension unit with at least one arc detector input terminal, the at least one arc detector being connectable to the at least one arc detector input terminal, and the base unit includes a control unit. The extension unit is operatively connectable to and arranged to send an arc occurrence signal to the control unit, which is arranged to send a trip signal for tripping the at least one circuit breaker, in the event of an arc occurrence. Also an electrical installation including an arc monitor, and the use of an arc monitor as a supervision and safety equipment in an electrical installation.
    Type: Grant
    Filed: October 8, 2009
    Date of Patent: April 26, 2016
    Assignee: ABB Technology Ltd
    Inventors: Shlomy Allalouf, Leif Nilsson, Asa Gronqvist, Goran Engblom, Sigvard Mattsson
  • Publication number: 20100085671
    Abstract: An arc monitor for tripping a circuit breaker in the event of an arc occurrence, the arc monitor including at least one arc detector and arranged to be operatively connected to at least one circuit breaker. The arc monitor includes a base unit and at least one extension unit with at least one arc detector input terminal, the at least one arc detector being connectable to the at least one arc detector input terminal, and the base unit includes a control unit. The extension unit is operatively connectable to and arranged to send an arc occurrence signal to the control unit, which is arranged to send a trip signal for tripping the at least one circuit breaker, in the event of an arc occurrence. Also an electrical installation including an arc monitor, and the use of an arc monitor as a supervision and safety equipment in an electrical installation.
    Type: Application
    Filed: October 8, 2009
    Publication date: April 8, 2010
    Inventors: Shlomy Allalouf, Leif Nilsson, Asa Gronqvist, Goran Engblom, Sigvard Mattsson