Patents by Inventor Hans G. Michels

Hans G. Michels 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 injector
    Patent number: 5135367
    Abstract: A fuel injector for diesel engines, having at least one pump plunger (1), which is sealingly guided in a plunger bushing (2) and, together with said bushing, defines a high-pressure space (5). The pump plunger (1) has an internal suction valve (6) which creates a fuel injection pump having a small dead volume in the high-pressure region and low construction cost. The suction valve (6) may be provided with a cone-shaped compression spring (7) disposed in the high-pressure region (5) or with a stroke limiting stop (28, 28a).
    Type: Grant
    Filed: May 3, 1990
    Date of Patent: August 4, 1992
    Assignee: Kloeckner-Humboldt-Deutz AG
    Inventors: Gerhard Finsterwalder, Reda Rizk, Hans G. Michels
  • Fuel injection device
    Patent number: 5067880
    Abstract: A fuel injector for diesel engines, having at least one pump plunger (1), which is sealingly guided in a plunger bushing (2) and, together with said bushing, defines a high-pressure space (5). The pump plunger (1) has an internal suction valve (6) which creates a fuel injection pump having a small dead volume in the high-pressure region and low construction cost. The suction valve (6) may be provided with a cone-shaped compression spring (7) disposed in the high-pressure region (5) or with a stroke limiting stop (28, 28a).
    Type: Grant
    Filed: April 22, 1991
    Date of Patent: November 26, 1991
    Assignee: Kloeckner-Humboldt-Duetz AG
    Inventors: Gerhard Finsterwalder, Reda Rizk, Hans G. Michels