Patents by Inventor Steffen Lorentzen

Steffen Lorentzen 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).

  • Apparatus for dampening of acoustic noise generated by air-cooling of at least one wind turbine component provided with the nacelle of a wind turbine
    Patent number: 9784247
    Abstract: An apparatus for dampening of acoustic noise generated by air-cooling of at least one turbine component provided with the nacelle of a wind turbine is provided. Apparatus for dampening of acoustic noise generated by air-cooling of at least one wind turbine component provided with the nacelle of a wind turbine, comprising at least one acoustic dampener, with the acoustic dampener including at least one acoustic dampening channel structure having at least one acoustic dampening channel connected with at least one inlet opening of the acoustic dampening channel structure and at least one outlet opening of the acoustic dampening channel structure.
    Type: Grant
    Filed: March 10, 2015
    Date of Patent: October 10, 2017
    Assignee: Siemens Aktiengesellschaft
    Inventors: Uffe Eriksen, Steffen Lorentzen, Thorkil Munk-Hansen, Claus Thygesen
  • APPARATUS FOR DAMPENING OF ACOUSTIC NOISE GENERATED BY AIR-COOLING OF AT LEAST ONE WIND TURBINE COMPONENT PROVIDED WITH THE NACELLE OF A WIND TURBINE
    Publication number: 20150308408
    Abstract: An apparatus for dampening of acoustic noise generated by air-cooling of at least one wind turbine component provided with the nacelle of a wind turbine is provided. Apparatus for dampening of acoustic noise generated by air-cooling of at least one wind turbine component provided with the nacelle of a wind turbine, comprising at least one acoustic dampening means, with the acoustic dampening means including at least one acoustic dampening channel structure having at least one acoustic dampening channel connected with at least one inlet opening of the acoustic dampening channel structure and at least one outlet opening of the acoustic dampening channel structure.
    Type: Application
    Filed: March 10, 2015
    Publication date: October 29, 2015
    Inventors: UFFE ERIKSEN, STEFFEN LORENTZEN, THORKIL MUNK-HANSEN, CLAUS THYGESEN
  • Fully-hydraulic steering unit
    Patent number: 5165447
    Abstract: In a hydraulic power steering control unit of the type having an inner steering wheel operated control member which has limited relative rotation movement with respect to outer control member which controls a conventional steering motor, passages are provided in these members to control the pressures therebetween to prevent jamming thereof.
    Type: Grant
    Filed: March 2, 1992
    Date of Patent: November 24, 1992
    Assignee: Danfoss A/S
    Inventors: Niels Arbjerg, Steffen Lorentzen