Patents by Inventor Bertil Englesson

Bertil Englesson 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).

  • Rotary joint
    Patent number: 4749335
    Abstract: A rotary joint having a non rotary housing surrounding a rotating shaft and being sealed by a mechanical seal. Monitoring impulses are transmitted by hydraulic fluid which is transported between the housing and the shaft by means of a distribution socket. The socket is arranged so that a number of column seals are formed between the shaft and the socket. The apparatus is supported by two prestressed, reversed roller bearings.
    Type: Grant
    Filed: October 16, 1987
    Date of Patent: June 7, 1988
    Assignee: Flygt AB
    Inventors: Bengt A. Brandt, Bertil Englesson