Expansion/contraction Patents (Class 285/290.5)
  • Method for producing a fuel accumulator line comprising a prestressed connection piece
    Patent number: 7213577
    Abstract: The invention relates to a method for producing a fuel accumulator line and a fuel accumulator line comprising prestressed connection pieces. The connection pieces are mounted onto the fuel accumulator line with a prestress, by crimping, or by a temporal expansion and/or a temporal contraction of the fuel accumulator line. The connection pieces connect a line to the fuel accumulator line. The prestressing of the connection pieces allows pressure to be exerted on the fuel accumulator line, thus increasing the compressive strength.
    Type: Grant
    Filed: May 6, 2004
    Date of Patent: May 8, 2007
    Assignee: Siemens Aktiengesellschaft
    Inventors: Helmut Hummel, Georg Weigl