Patents by Inventor Olaf Lenk

Olaf Lenk 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: 8590287
    Abstract: A device for opening and closing a thrust reverser door (3) of a jet engine includes at least one actuator and at least one locking mechanism (10) including at least one first locking element (11) arranged on the thrust reverser door (3) and at least one second locking element (13) arranged on the thrust reverser structure (5). To open the locking mechanism (10) against higher internal pressures in the thrust reverser (1) without increasing a power of the actuator or requiring the operation of the latter, the device includes, in addition to the actuator, at least one unloading mechanism (20) which is coupled to the locking mechanism (10).
    Type: Grant
    Filed: September 4, 2009
    Date of Patent: November 26, 2013
    Assignee: Rolls-Royce Deutschland Ltd & Co KG
    Inventor: Olaf Lenk
  • Patent number: 8438828
    Abstract: A flow divider (1) for a fan engine which forms an annular leading edge (4) simultaneously on the outer circumference of an annular core air duct and the inner circumference of an annular secondary air duct, protrudes into the fan airflow and has an aerodynamic profile. In order to avoid blockage of the core air and/or secondary air ducts in the event of destruction or detachment of the flow divider (1), the flow divider features separable parts (6) which, whatever their orientation, are capable of passing the vane passages of the core air duct and the secondary air duct.
    Type: Grant
    Filed: December 4, 2009
    Date of Patent: May 14, 2013
    Assignee: Rolls-Royce Deutschland Ltd & Co KG
    Inventor: Olaf Lenk
  • Patent number: 8425178
    Abstract: A fan casing (2) for a jet engine has a burst protection arrangement (7) made up of layers at least in an area of fan blades (5). To contain detached fan blades (5) within a fan casing (2) of a jet engine by use of a low-weight and easily manufacturable burst protection arrangement (7), the fan casing (2) is made of a fiber-composite material which itself forms at least one layer provided with at least one inorganic, non-metallic protective layer (8).
    Type: Grant
    Filed: December 16, 2009
    Date of Patent: April 23, 2013
    Assignee: Rolls-Royce Deutschland Ltd & Co KG
    Inventor: Olaf Lenk
  • Patent number: 7780401
    Abstract: An ice strike sheathing ring (4) including several fiber compound layers for the fan casing of an aircraft gas turbine features breaking points (7) at a certain regular distance, so that, in case of destruction of the ice strike sheathing ring due to extreme ice strike, fragments of small size will be produced which together with the engine airflow will pass the exit guide vanes downstream of the fan without blocking the engine airflow or reducing engine thrust. With fiber compound layers enclosing a cavity or a core, the breaking points designed as slots (9) and/or assembly holes (8) are located in the inner wall (20) of the ice strike sheathing ring facing the engine airflow, while the outer wall (21) of the ice strike sheathing ring adjoining the fan casing is firmly attached to the latter via an adhesive film and a threaded safety connection.
    Type: Grant
    Filed: August 3, 2007
    Date of Patent: August 24, 2010
    Assignee: Rolls-Royce Deutschland Ltd & Co KG
    Inventors: Olaf Lenk, Uwe Dickert
  • Publication number: 20100148027
    Abstract: A sensor bracket (1) for at least one sensor (5) on a gas turbine, made of at least one fiber-composite material (10), with the fibers (7) embedded in the fiber-composite material (10) being oriented at an angle ? relative to an axis x extending vertically to a free end edge (3) of the sensor bracket (1) in a plane established by the fibers (7), and the stiffness and the natural frequencies of the sensor bracket (1) being defined by said angle ?, with the natural frequencies of the sensor bracket (1) lying outside of the frequency range of the sensor bracket (1), which includes the measuring range of the sensor (5).
    Type: Application
    Filed: December 11, 2009
    Publication date: June 17, 2010
    Applicant: ROLLS-ROYCE DEUTSCHLAND LTD & CO KG
    Inventor: Olaf LENK
  • Publication number: 20100150696
    Abstract: A fan casing (2) for a jet engine has a burst protection arrangement (7) made up of layers at least in an area of fan blades (5). To contain detached fan blades (5) within a fan casing (2) of a jet engine by use of a low-weight and easily manufacturable burst protection arrangement (7), the fan casing (2) is made of a fiber-composite material which itself forms at least one layer provided with at least one inorganic, non-metallic protective layer (8).
    Type: Application
    Filed: December 16, 2009
    Publication date: June 17, 2010
    Applicant: ROLLS-ROYCE DEUTSCHLAND LTD & CO KG
    Inventor: Olaf Lenk
  • Publication number: 20100139241
    Abstract: A flow divider (1) for a fan engine which forms an annular leading edge (4) simultaneously on the outer circumference of an annular core air duct and the inner circumference of an annular secondary air duct, protrudes into the fan airflow and has an aerodynamic profile. In order to avoid blockage of the core air and/or secondary air ducts in the event of destruction or detachment of the flow divider (1), the flow divider features separable parts (6) which, whatever their orientation, are capable of passing the vane passages of the core air duct and the secondary air duct.
    Type: Application
    Filed: December 4, 2009
    Publication date: June 10, 2010
    Applicant: ROLLS-ROYCE DEUTSCHLAND LTD & CO KG
    Inventor: Olaf LENK
  • Publication number: 20100058736
    Abstract: A device for opening and closing a thrust reverser door (3) of a jet engine includes at least one actuator and at least one locking mechanism (10) including at least one first locking element (11) arranged on the thrust reverser door (3) and at least one second locking element (13) arranged on the thrust reverser structure (5). To open the locking mechanism (10) against higher internal pressures in the thrust reverser (1) without increasing a power of the actuator or requiring the operation of the latter, the device includes, in addition to the actuator, at least one unloading mechanism (20) which is coupled to the locking mechanism (10).
    Type: Application
    Filed: September 4, 2009
    Publication date: March 11, 2010
    Inventor: Olaf LENK
  • Publication number: 20080075587
    Abstract: An ice strike sheathing ring (4) including several fiber compound layers for the fan casing of an aircraft gas turbine features breaking points (7) at a certain regular distance, so that, in case of destruction of the ice strike sheathing ring due to extreme ice strike, fragments of small size will be produced which together with the engine airflow will pass the exit guide vanes downstream of the fan without blocking the engine airflow or reducing engine thrust. With fiber compound layers enclosing a cavity or a core, the breaking points designed as slots (9) and/or assembly holes (8) are located in the inner wall (20) of the ice strike sheathing ring facing the engine airflow, while the outer wall (21) of the ice strike sheathing ring adjoining the fan casing is firmly attached to the latter via an adhesive film and a threaded safety connection.
    Type: Application
    Filed: August 3, 2007
    Publication date: March 27, 2008
    Inventors: Olaf Lenk, Uwe Dickert
  • Patent number: 7287957
    Abstract: An inner shroud (6) for the stator blades (3) of the compressor of a gas turbine is a plastic component and includes certain additives, which may be concentrated in partial areas for specific functionality, and/or pre-manufactured inserts for sealing, ensuring sliding properties, wear protection and/or setting heat expansion. Such an inner shroud made of plastic material fulfills all requirements usually imposed on inner shrouds made of metal, while being simply producible and having low weight.
    Type: Grant
    Filed: November 17, 2004
    Date of Patent: October 30, 2007
    Assignee: Rolls-Royce Deutschland Ltd & Co KG
    Inventors: Ingo Jahns, Olaf Lenk
  • Publication number: 20050220612
    Abstract: An inner shroud (6) for the stator blades (3) of the compressor of a gas turbine is a plastic component and includes certain additives, which may be concentrated in partial areas for specific functionality, and/or pre-manufactured inserts for sealing, ensuring sliding properties, wear protection and/or setting heat expansion. Such an inner shroud made of plastic material fulfills all requirements usually imposed on inner shrouds made of metal, while being simply producible and having low weight.
    Type: Application
    Filed: November 17, 2004
    Publication date: October 6, 2005
    Inventors: Ingo Jahns, Olaf Lenk