Patents by Inventor Joern Wetzel

Joern Wetzel 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).

  • Fuel supply system
    Patent number: 9506433
    Abstract: A fuel supply system for an internal combustion engine may include a first tank and a second tank connected to each other via a fuel line. A first pump and a first fuel filter may be arranged between the first tank and the second tank. A second fuel pump and a second fuel filter may be arranged between the second tank and the engine. The first fuel filter may have a water separator. A first return line may be fluidly connected to the engine on an inlet side and to the second tank on an outlet side and/or the first fuel filter on a raw side. A preheating valve may be arranged in the first return line and be configured to distribute the fuel flowing back from the engine to the first fuel filter and/or the second tank. A second return line may connect the first and second tank.
    Type: Grant
    Filed: June 10, 2014
    Date of Patent: November 29, 2016
    Assignee: Mahle International GmbH
    Inventors: Matthias Gänswein, Joern Wetzel, Stefan Jauss
  • FUEL SUPPLY SYSTEM
    Publication number: 20160108871
    Abstract: A fuel supply system for an internal combustion engine may include a first tank and a second tank connected to each other via a fuel line. A first pump and a first fuel filter may be arranged between the first tank and the second tank. A second fuel pump and a second fuel filter may be arranged between the second tank and the engine. The first fuel filter may have a water separator. A first return line may be fluidly connected to the engine on an inlet side and to the second tank on an outlet side and/or the first fuel filter on a raw side. A preheating valve may be arranged in the first return line and be configured to distribute the fuel flowing back from the engine to the first fuel filter and/or the second tank. A second return line may connect the first and second tank.
    Type: Application
    Filed: June 10, 2014
    Publication date: April 21, 2016
    Inventors: Matthias Gänswein, Joern Wetzel, Stefan Jauss