Patents by Inventor Rainer Willneff

Rainer Willneff 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).

  • Flying device for IR flying target representation
    Patent number: 7048276
    Abstract: A flying device for IR flying target representation with at least one infrared radiator (2). An infrared radiator (2) is arranged inside the exhaust gas flow of a convected heat-generating unit so that the exhaust gas stream completely encloses the surface of the infrared radiator (2) exposed to airflow.
    Type: Grant
    Filed: March 7, 2003
    Date of Patent: May 23, 2006
    Assignee: Dornier GmbH
    Inventors: Bernt Obkircher, Juergen Steinwandel, Markus Heller, Rainer Willneff
  • Laser-plasma hybrid welding method
    Patent number: 6940036
    Abstract: In a process for laser-plasma hybrid welding, to weld work pieces, a laser beam and a plasma jet are brought together in the process region close to the work piece. A free microwave-induced plasma jet is generated by the following process. Microwaves are generated in a high-frequency microwave source, and the microwaves are guided in a hollow waveguide. A process gas is introduced into a microwave-transparent tube, which includes a gas inlet opening and a gas outlet opening, at a pressure p?1 bar. The process gas is introduced into the microwave-transparent tube through the gas inlet opening in such a manner that it has a tangential flow component. A plasma is generated in the microwave-transparent tube by electrode-free ignition of the process gas, and a plasma jet is generated by introduction of the plasma into the working space through a metallic nozzle arranged at the gas outlet opening of the tube.
    Type: Grant
    Filed: April 25, 2002
    Date of Patent: September 6, 2005
    Assignees: MTU Aero Engines GmbH, DaimlerChrysler AG
    Inventors: Erwin Bayer, Joerg Hoeschele, Juergen Steinwandel, Rainer Willneff
  • Laser-plasma hybrid welding method
    Publication number: 20050016970
    Abstract: The invention relates to a process for laser-plasma hybrid welding, in which, to weld work pieces, a laser beam (10) and a plasma jet (11) are brought together in the process region close to the work piece.
    Type: Application
    Filed: April 25, 2002
    Publication date: January 27, 2005
    Inventors: Erwin Bayer, Joerg Hoeschele, Juergen Steinwandel, Rainer Willneff
  • Flying device for IR flying target representation
    Publication number: 20030197332
    Abstract: A flying device for IR flying target representation with at least one infrared radiator (2). An infrared radiator (2) is arranged inside the exhaust gas flow of a convected heat-generating unit so that the exhaust gas stream completely encloses the surface of the infrared radiator (2) exposed to airflow.
    Type: Application
    Filed: March 7, 2003
    Publication date: October 23, 2003
    Inventors: Bernt Obkircher, Juergen Steinwandel, Markus Heller, Rainer Willneff
  • Method and apparatus for continuously removing nitrogen oxides in exhaust gases of internal combustion engines
    Patent number: 5782085
    Abstract: The invention relates to a method for continuously removing nitrogen oxides in exhaust gases of internal combustion engines containing an excess of oxygen by feeding a reactive nitrogen-containing plasma jet into the exhaust gas stream, wherein the plasma jet is generated by electromagnetic high-frequency fields.
    Type: Grant
    Filed: April 8, 1996
    Date of Patent: July 21, 1998
    Assignee: Dornier GmbH
    Inventors: Jurgen Steinwandel, Jorg Hoschele, Martin Stoer, Rainer Willneff, Theodor Staneff
  • Method and apparatus for reducing exhaust gases particles
    Patent number: 5458850
    Abstract: A method and an apparatus reduces particles in exhaust gases of an internal combustion engine by passing the exhaust gases through a microwave energy field in a resonator for applying energy and burning the particles. In order to improve the application of energy, the particles are agglomerated beforehand in a high-voltage field of an electrostatic filter.
    Type: Grant
    Filed: June 10, 1994
    Date of Patent: October 17, 1995
    Assignee: Daimler-Benz Aktiengesellschaft
    Inventors: Bernd Krutzsch, Guenter Wenninger, Friedrich Wirbeleit, Juergen Steinwandel, Rainer Willneff, Theodor Staneff, Hans G. Mueller, Martin Stroeer, Rainer Schmidberger
  • Process for reducing carbon particles in exhaust gas flows
    Patent number: 5397555
    Abstract: A process for the continuous removal of carbon particles in exhaust gas flows uses a plasma process. A stationary oxidative plasma process achieves a particle burn-up of the excess oxygen in technical combustion processes.
    Type: Grant
    Filed: October 27, 1993
    Date of Patent: March 14, 1995
    Assignee: Dornier GmbH
    Inventors: Jurgen Steinwandel, Rainer Willneff, Martin Stroer, Theodor Staneff