Patents by Inventor Holger Vilhelm Vind

Holger Vilhelm Vind 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).

  • Starting device for an asynchronous motor
    Patent number: 4118753
    Abstract: The invention relates to a starting device for an asynchronous motor in which device a capacitor and a PTC resistor form a series circuit. A housing has three chambers formed by two interior walls and a cover. The capacitor is in one end chamber, the PTC resistor in the middle chamber, and the lead ends which are connectable to a motor winding in the other end chamber. The PTC resistor is subject to heating and the housing has vent holes for ventilating the middle resistor chamber.
    Type: Grant
    Filed: May 18, 1977
    Date of Patent: October 3, 1978
    Assignee: Danfoss A/S
    Inventor: Holger Vilhelm Vind