Patents by Inventor John Bjerregård Jacobsen

John Bjerregård Jacobsen 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).

  • Frequency converter
    Patent number: 6542378
    Abstract: The frequency converter for an electrical motor essentially consists of power part integrated in a common semiconductor component, of a component accommodating at least the intermediate circuit electronics and of a component accommodating the control and regulation electronics. The electrical connections from the semiconductor component of the power part to the intermediate circuit component and from the semiconductor component of the power part to the control and regulation component are formed by sheet metal connections which are positioned and mechanically connected to one another by way of a common cast body.
    Type: Grant
    Filed: March 5, 2001
    Date of Patent: April 1, 2003
    Assignee: Grunfos A/S
    Inventor: John Bjerregård Jacobsen