Patents by Inventor Martin Lehnhoff

Martin Lehnhoff 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).

  • Patent number: 8371820
    Abstract: A paneling (30) of a nacelle (12) of a wind energy installation (10), in which an upturned panel ceiling (40) is provided in installation position, is created with a hatch opening (46), that is provided in the panel ceiling (40). The hatch opening (46) is advantageously provided so large, that components of the entire area of a drive train (24) of the wind energy installation (10) can be removed upwards, or inserted from above into the nacelle (12) through the hatch opening (46). Furthermore, such a hatch opening (46) is choosingly closable by means of a hatch cover (44).
    Type: Grant
    Filed: October 26, 2010
    Date of Patent: February 12, 2013
    Assignee: AREVA Wing GmbH
    Inventors: Ingo deBuhr, Martin Lehnhoff
  • Publication number: 20110097202
    Abstract: A paneling (30) of a nacelle (12) of a wind energy installation (10), in which an upturned panel ceiling (40) is provided in installation position, is created with a hatch opening (46), that is provided in the panel ceiling (40). The hatch opening (46) is advantageously provided so large, that components of the entire area of a drive train (24) of the wind energy installation (10) can be removed upwards, or inserted from above into the nacelle (12) through the hatch opening (46). Furthermore, such a hatch opening (46) is choosingly closable by means of a hatch cover (44).
    Type: Application
    Filed: October 26, 2010
    Publication date: April 28, 2011
    Applicant: MULTIBRID GMBH
    Inventors: Ingo de Buhr, Martin Lehnhoff
  • Patent number: 6604907
    Abstract: An individual blade adjustment system for wind turbines comprising two drive units which are joined to at least one movable rocker arm, substantially in the cutting plane of the blade connection and which forms a lever mechanism together with the rocker arm, wherein each drive unit produces a linear extension. The respective ends of the lever mechanism are provided with a force-transmitting link to the hub and an element on the blade to be adjusted through each pivot connection.
    Type: Grant
    Filed: April 11, 2002
    Date of Patent: August 12, 2003
    Assignee: Aerodyn Engineering GmbH
    Inventor: Martin Lehnhoff