Patents by Inventor Howard J. Rajala

Howard J. Rajala 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).

  • Liquid cooling of removable electronic modules based on low pressure applying biasing mechanisms
    Patent number: 6393853
    Abstract: An apparatus for providing liquid cooling to high power high capacity, switching, transport and processing equipment is disclosed. The electronics of such equipment is typically contained in metal electronics modules, with the heat being directed to the walls of the modules. A pair of cooling plates with integral coolant flow through is pressed against the metal module walls with pressure. The cooling plates remain part of the shelf and the metal electronics modules can be removed for repair, exchange or upgrade.
    Type: Grant
    Filed: December 19, 2000
    Date of Patent: May 28, 2002
    Assignee: Nortel Networks Limited
    Inventors: Aleksandar Vukovic, Tim A. Venus, Howard J. Rajala, Douglas B. Cross, Paul van Leeuwen, Kim Roberts