Patents by Inventor Harri Kaivo-Oja

Harri Kaivo-Oja 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).

  • Door cooler
    Patent number: 10631433
    Abstract: An arrangement for cooling the inside air of an enclosure of a liquid cooled power electronic device, the arrangement comprising an air to liquid heat exchanger attached to the door of an enclosure, and means for circulating the inside air of the enclosure through an air channel of the heat exchanger. The heat exchanger comprises a cooler with internal liquid circulation, assembled inside the air channel and connected to the main liquid circulation of the enclosure, for example by flexible connection pipes, which allow the enclosure door to be opened without disturbing the liquid circulation.
    Type: Grant
    Filed: January 11, 2018
    Date of Patent: April 21, 2020
    Assignee: Vacon OY
    Inventor: Harri Kaivo-Oja
  • DOOR COOLER
    Publication number: 20180199467
    Abstract: An arrangement for cooling the inside air of an enclosure of a liquid cooled power electronic device, the arrangement comprising an air to liquid heat exchanger attached to the door of an enclosure, and means for circulating the inside air of the enclosure through an air channel of the heat exchanger. The heat exchanger comprises a cooler with internal liquid circulation, assembled inside the air channel and connected to the main liquid circulation of the enclosure, for example by flexible connection pipes, which allow the enclosure door to be opened without disturbing the liquid circulation.
    Type: Application
    Filed: January 11, 2018
    Publication date: July 12, 2018
    Inventor: Harri Kaivo-Oja