Patents Assigned to Fraunhofer-Gesellschaft zur Forderüng der Angewandten Forschung e.V.
  • Method and tool for cleaning cavities
    Patent number: 8262803
    Abstract: A method for cleaning cavities in workpieces, a cleaning device for this purpose and a device for the supply of media to a cleaning device of this type. Supercritical carbon dioxide is introduced into the cavity and the cavity is rinsed. The supercritical carbon dioxide located in the cavity is relieved of pressure after rinsing of the cavity, so that carbon dioxide gas and carbon dioxide snow are formed in the cavity and subsequently driven out of the cavity.
    Type: Grant
    Filed: June 2, 2006
    Date of Patent: September 11, 2012
    Assignee: Fraunhofer-Gesellschaft zur Forderüng der Angewandten Forschung e.V.
    Inventors: Christof Zorn, Ralf Grimme