Patents by Inventor Sven M. Nilsson

Sven M. Nilsson 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).

  • Heat transmission roll and a method and an apparatus for manufacturing such a roll
    Patent number: 5085268
    Abstract: The invention concerns a roll comprising two superposed webs of material one of which is formed with transverse ridges. At the ridge bases and tops are formed dents/protrusions. The other web is provided with ribs which are positioned in nesting relationship in the dents/protrusions, whereby the webs are secured to one another. The invention likewise concerns a method and a machine for manufacturing rolls of this kind.
    Type: Grant
    Filed: August 19, 1983
    Date of Patent: February 4, 1992
    Inventor: Sven M. Nilsson
  • Heat exchanger
    Patent number: 4633936
    Abstract: A rotary regenerator consisting of two sheets or webs which are wound to form the rotor of the regenerator. One of the webs is corrugated in crosswise web direction, and the other is corrugated in the lengthwise web direction. The other sheet is under high tension, which results in the two sheets being pressed together with such a force that they are presented from sliding apart when the regenerator is working.
    Type: Grant
    Filed: July 27, 1984
    Date of Patent: January 6, 1987
    Inventor: Sven M. Nilsson