Patents by Inventor Dirk Weicholdt

Dirk Weicholdt 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).

  • Harvested crop chopper remains and distribution arrangement for a combine
    Patent number: 8147303
    Abstract: The invention concerns a harvested crop chopper remains-and-distribution arrangement for a combine (10) with a straw chopper (60) and an impeller blower (80) arranged downstream of the straw chopper (60), that includes at least one impeller blade (82) arranged to rotate in a direction of rotation about an axis (84) for the distribution across a field of the harvested crop remains provided by the straw chopper (60). An axially outer region (104, 106,114) of the impeller blade (82) leading in the direction of rotation is curved or angled in the direction of rotation. The axial dimension of the axially outer region (106) of the impeller blade (82) increases toward the outside in the radial direction.
    Type: Grant
    Filed: March 19, 2010
    Date of Patent: April 3, 2012
    Assignee: Deere & Company
    Inventors: Friedrich Lauer, Norbert Pohlmann, Dirk Weicholdt, Rico Priesnitz, Oliver Klein
  • Harvested Crop Chopper Remains And Distribution Arrangement For A Combine
    Publication number: 20100248802
    Abstract: The invention concerns a harvested crop chopper remains-and-distribution arrangement for a combine (10) with a straw chopper (60) and an impeller blower (80) arranged downstream of the straw chopper (60), that includes at least one impeller blade (82) arranged to rotate in a direction of rotation about an axis (84) for the distribution across a field of the harvested crop remains provided by the straw chopper (60). An axially outer region (104, 106,114) of the impeller blade (82) leading in the direction of rotation is curved or angled in the direction of rotation. The axial dimension of the axially outer region (106) of the impeller blade (82) increases toward the outside in the radial direction.
    Type: Application
    Filed: March 19, 2010
    Publication date: September 30, 2010
    Inventors: Friedrich Lauer, Norbert Pohlmann, Dirk Weicholdt, Rico Priesnitz, Oliver Klein