Patents by Inventor Barbara Achoff

Barbara Achoff 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).

  • Chamber drainage device
    Patent number: 7021295
    Abstract: In a fuel tank for a motor vehicle with a fuel supply pump arranged in one area of the tank, a transfer pump arranged in another area of the tank and including a fuel transfer line extending to the one area of the fuel tank which includes the fuel supply pump for transferring fuel thereto, and a collecting chamber arranged in the tank, with a ventilation line extending from the collecting chamber, to which any fuel condensed in the ventilation line is drained, a suction line extends from the collecting chamber to the fuel transfer line by way of a suction pump which is operated by the fuel pumped by the transfer pump through the transfer line.
    Type: Grant
    Filed: February 22, 2005
    Date of Patent: April 4, 2006
    Assignee: DaimlerChrysler AG
    Inventors: Dorothee Aschoff, Barbara Achoff, Henning Aschoff
  • Chamber drainage device
    Publication number: 20050211310
    Abstract: In a fuel tank for a motor vehicle with a fuel supply pump arranged in one area of the tank, a transfer pump arranged in another area of the tank and including a fuel transfer line extending to the one area of the fuel tank which includes the fuel supply pump for transferring fuel thereto, and a collecting chamber arranged in the tank, with a ventilation line extending from the collecting chamber, to which any fuel condensed in the ventilation line is drained, a suction line extends from the collecting chamber to the fuel transfer line by way of a suction pump which is operated by the fuel pumped by the transfer pump through the transfer line.
    Type: Application
    Filed: February 22, 2005
    Publication date: September 29, 2005
    Inventors: Dorothee Aschoff, Barbara Achoff, Henning Aschoff