Patents by Inventor Ralf Brunemann

Ralf Brunemann 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).

  • Device for liquefication of vaporous fuel fractions in fuel tanks
    Patent number: 6868808
    Abstract: A device for liquefying fuel fractions which are in vapour form in fuel tanks (1), having a suction device (10), a pump (13), a condensation device (16) and a separation and storage device (18). This device has a regulation device, with the aid of which the fraction-air mixture (31), which is displaced by the fuel (30), flowing in during the refuelling of the fuel tank (1) and/or a fraction-air mixture (31) which is produced by air injection by means of an air-injection device (23) can be sucked out and separated.
    Type: Grant
    Filed: September 27, 2002
    Date of Patent: March 22, 2005
    Assignee: DaimlerChrysler AG
    Inventors: Ralf Brünemann, Eberhard Holder, Roland Kemmler, Martin Matt, Lothar Mauz
  • Device for liquefication of vaporous fule fractions in fuel tanks
    Publication number: 20030070630
    Abstract: A device for liquefying fuel fractions which are in vapour form in fuel tanks (1), having a suction device (10), a pump (13), a condensation device (16) and a separation and storage device (18). This device has a regulation means, with the aid of which the fraction-air mixture (31), which is displaced by the fuel (30), flowing in during the refuelling of the fuel tank (1) and/or a fraction-air mixture (31) which is produced by air injection by means of an air-injection device (23) can be sucked out and separated.
    Type: Application
    Filed: September 27, 2002
    Publication date: April 17, 2003
    Inventors: Ralf Brunemann, Eberhard Holder, Roland Kemmler, Martin Matt, Lothar Mauz