Patents Assigned to Rolls-Royce Deutschland Ltd & Co KG
  • Patent number: 10954811
    Abstract: A measuring device, in particular for a flow inside a turbomachine, in particular in an aircraft engine. The measuring device includes at least one suction intake opening for fluid from an area of a mixed-out flow, wherein the at least one suction intake opening is arranged at a distance from a wall that delimits the flow, and fluid that is suctioned in through a fluid channel can be conducted to a sensor device.
    Type: Grant
    Filed: March 26, 2018
    Date of Patent: March 23, 2021
    Assignee: Rolls-Royce Deutschland Ltd & Co KG
    Inventor: Oliver Freund
  • Patent number: 10947927
    Abstract: It is provided a mixer for an engine, that for the mixing of fluid flows from a primary flow channel and a secondary flow channel of the engine, respectively has multiple first and second guide elements that alternate along a circumferential direction and extend along a central axis, wherein the first guide elements are formed in a diffusor-like manner with at least one radially outwardly extending section, and the second guide elements are formed in a nozzle-like manner with at least one radially inwardly extending section, and the mixer is made of a composite material with at least two separate material layers. The at least two material layers are arranged with their edges along the central axis in an overlapping manner and/or edge to edge, and namely in an area of the mixer in which the first and second guide elements are provided.
    Type: Grant
    Filed: November 3, 2017
    Date of Patent: March 16, 2021
    Assignee: Rolls-Royce Deutschland Ltd & Co KG
    Inventors: Predrag Todorovic, Thomas Kubisch, Bernhard Maron
  • Patent number: 10914366
    Abstract: A gear device with at least one rotating structural component, with a further structural component that delimits at least one supply area and with at least one consumption point that is to be supplied with hydraulic fluid via the supply area. Hydraulic fluid from at least one hydraulic fluid supply device can be introduced into the at least supply area via at least one supply opening, and can be discharged via at least one outlet opening from the at least one supply area for supplying the at least one consumption point. Inside the supply area, at least one pumping appliance driven by the structural component is provided for transporting hydraulic fluid from the at least one supply opening in the direction of the at least one outlet opening.
    Type: Grant
    Filed: April 11, 2018
    Date of Patent: February 9, 2021
    Assignee: ROLLS-ROYCE DEUTSCHLAND LTD & CO KG
    Inventor: Stephan Uhkoetter
  • Patent number: 10894607
    Abstract: Various embodiments include a drive system for a vehicle, the system comprising: an internal combustion engine for converting chemical energy stored in a liquid fuel into mechanical energy; a fuel tank for storing fuel for use by the internal combustion engine; and an electric machine having a rotor, a stator, and a cooling system for cooling at least one component of the electric machine using a cooling liquid. The cooling liquid comprises the fuel.
    Type: Grant
    Filed: September 14, 2017
    Date of Patent: January 19, 2021
    Assignee: ROLLS-ROYCE DEUTSCHLAND LTD & CO KG
    Inventors: Mykhaylo Filipenko, Michael Frank, Thomas Gleixner, Johannes Richter, Peter van Hasselt
  • Patent number: 10895201
    Abstract: A turbofan engine that comprises a primary flow channel inside of which a primary flow flows through a gas generator during operation, a secondary flow channel inside of which a secondary flow is guided past the gas generator during operation, and an oil separator of a lube oil system that has a pipeline for exhausting breather air, wherein the pipeline forms a pipeline end. It is provided that the pipeline end is arranged inside the secondary flow channel, and is provided and configured for the purpose of discharging breather air directly from the pipeline end into the secondary flow channel.
    Type: Grant
    Filed: April 21, 2017
    Date of Patent: January 19, 2021
    Assignee: ROLLS-ROYCE DEUTSCHLAND LTD & CO KG
    Inventors: Juergen Beier, Markus Blumrich
  • Publication number: 20200408408
    Abstract: A fuel injector including: a plurality of air swirler passages; at least one fuel supply passage arranged to supply fuel into at least one of the air swirler passages; and at least one cavity separating an exterior of the fuel supply passage from a body of the fuel injector; wherein the cavity is at least partially filled with a thermally insulating material.
    Type: Application
    Filed: June 17, 2020
    Publication date: December 31, 2020
    Applicants: ROLLS-ROYCE plc, ROLLS-ROYCE DEUTSCHLAND LTD & CO KG
    Inventors: Luca TENTORIO, Juan Carlos ROMAN CASADO, Giacomo DI CHIARO, Jonathan KNAPTON, Filippo ZAMBON, Radu IRIMIA, Imon-Kalyan BAGCHI, James ROBINS
  • Patent number: 10858953
    Abstract: Systems and methods for reducing heat exposure of a turbine casing in a gas turbine engine may be provided. The system may include a blade track coupled with a turbine casing with a clip. The system may further include a nozzle guide vane coupled to the turbine casing. A cavity may be formed by an end of the blade track, the clip, and a portion of the nozzle guide vane. A heat shield may be positioned between the clip and the end of the blade track in the cavity such that an edge of the heat shield and the portion of the nozzle guide vane form a gap. The heat shield and the nozzle guide vane may be positioned such that the gap closes in response to the heat shield and the nozzle guide vane thermally expanding.
    Type: Grant
    Filed: April 19, 2018
    Date of Patent: December 8, 2020
    Assignee: ROLLS-ROYCE DEUTSCHLAND LTD & CO KG
    Inventor: Marcel Schmidt
  • Patent number: 10837646
    Abstract: A combustion chamber shingle arrangement of a gas turbine, including a combustion chamber shingle, at least one threaded bolt configured for attaching the combustion chamber shingle, and a base body connecting the threaded bolt to the combustion chamber shingle, wherein the base body comprises a platform and a connection area that connects the platform to the combustion chamber shingle, wherein the threaded bolt is arranged at the platform, and wherein a hollow space is embodied between the platform and the combustion chamber shingle.
    Type: Grant
    Filed: February 26, 2018
    Date of Patent: November 17, 2020
    Assignee: ROLLS-ROYCE DEUTSCHLAND LTD & CO KG
    Inventors: Carsten Clemen, Michael Ebel, Kay Heinze, Stefan Penz
  • Patent number: 10823174
    Abstract: A planetary gearbox device, a gas turbine engine with a planetary gearbox device, and a method for producing a scoop pump. The planetary gearbox device includes an oil supply appliance, wherein the oil supply appliance has a ring-shaped scoop pump that is connected to the rotatable shaft of the planetary gearbox device and an oil supply fixedly arranged at the housing and by which oil is supplied to the scoop pump. The scoop pump has multiple blades that extend in a circumferentially arranged manner and extend from a radially outer area in the direction of a radially inner area. The blades delimit grooves extending in the circumferential direction in the radial direction and respectively form a groove base of the grooves. The oil is conducted from the oil supply to outlets via which oil is conducted out of the scoop pump in the radial direction outwards.
    Type: Grant
    Filed: March 26, 2019
    Date of Patent: November 3, 2020
    Assignee: ROLLS-ROYCE DEUTSCHLAND LTD & CO KG
    Inventor: Jakob Violet
  • Patent number: 10823082
    Abstract: A gas turbine engine with a geared turbofan arrangement with a gearbox in a drive train driven by a turbine, a driving side of the gearbox being driveably connected with a propulsive fan, with at least one torque transmission device positioned in the drive train, the torque transmission device having an asymmetric torque transmission characteristic, so that torque is transmittable by the torque transmission device under a nominal rotational direction and no torque is transmittable by the torque transmission device in a non-nominal rotational direction.
    Type: Grant
    Filed: April 24, 2018
    Date of Patent: November 3, 2020
    Assignee: Rolls-Royce Deutschland Ltd & Co KG
    Inventor: Dominic Boniface
  • Patent number: 10823068
    Abstract: A heat-exchanger device for an aircraft engine, having a fuel-oil heat exchanger for exchanging heat between fuel and oil, and a housing with an air inlet and an air outlet, wherein the fuel-oil heat exchanger is arranged at least partially within the housing such that air flowing from the air inlet to the air outlet can flow over or around the fuel-oil heat exchanger. The invention further relates to a method for operating an aircraft engine.
    Type: Grant
    Filed: December 18, 2018
    Date of Patent: November 3, 2020
    Assignee: Rolls-Royce Deutschland Ltd & Co KG
    Inventors: Markus Blumrich, Michael Schacht
  • Patent number: 10823004
    Abstract: A geared turbofan engine that has a planetary gearbox which couples a fan shaft and a turbine shaft to each other. The planetary gearbox includes a sun gear that is driven by the turbine shaft. The turbine shaft and the sun gear form a spline shaft connection that is lubricated with oil. Sealing means are provided, sealing off the oil in the toothing area of the spline shaft connection. The sealing means have an elastic sealing ring that has a variable diameter and is springing outwards, and that is arranged inside a groove extending in the circumferential direction of the turbine shaft, wherein the sealing ring abuts at an inner circumferential surface of the sun gear with its radially outer circumferential surface. In further aspects, the invention relates to a method for mounting a planetary gearbox on a turbine shaft and to a spline arrangement.
    Type: Grant
    Filed: March 15, 2019
    Date of Patent: November 3, 2020
    Assignee: Rolls-Royce Deutschland Ltd & Co KG
    Inventors: Christos Kallianteris, Andreas Becker
  • Patent number: 10819177
    Abstract: Various embodiments include a stator for an AC electric machine with a number of magnetic poles comprising: a central axis; and a stator winding with a plurality of conductor turns. The individual conductor turns are grouped into a total of n electrical strands. The individual conductor turns of a respective electrical strand define a first conductor branch and a second conductor branch. The first conductor branch and the second conductor branch are arranged helically around the central axis over at least half of their respective lengths. The helically arranged conductor branches each have a pitch greater than a product of an axial length of the helical conductor branches and the number of magnetic poles.
    Type: Grant
    Filed: October 9, 2017
    Date of Patent: October 27, 2020
    Assignee: ROLLS-ROYCE DEUTSCHLAND LTD & CO KG
    Inventors: Michael Frank, Jörn Grundmann, Wolfgang Nick, Mercedes Herranz Gracia
  • Patent number: 10816087
    Abstract: A planetary gearing includes a sun gear; a plurality of planet gears, a ring gear; and a plurality of planet pins, wherein respectively one planet pin is arranged inside a planet gear, and the planet pin and the planet gear form a lubricated journal bearing. The planet pin includes an axial bore and an inner surface that comprises an axially forward end and an axially rearward end. The inner diameter of the axial bore of the planet pin varies between the axially forward end and the axially rearward end of the inner surface and has a maximum at least at one axial end. The planet pins respectively form a crowning at their abutment surface such that their outer diameter decreases from a maximum outer diameter towards at least an axial end of the abutment surface, and has a minimum at the axial end.
    Type: Grant
    Filed: November 21, 2018
    Date of Patent: October 27, 2020
    Assignees: ROLLS-ROYCE DEUTSCHLAND LTD & CO KG, ROLLS-ROYCE PLC
    Inventors: Michael Nique, Christopher Campbell, Mark Spruce
  • Patent number: 10808557
    Abstract: A nozzle assembly group for a combustion chamber of an engine, with multiple nozzles for introducing fuel into the combustion chamber that are arranged next to each other, wherein each nozzle has a nozzle outlet opening and a fuel channel for conveying fuel in the direction of the nozzle outlet opening. According to the invention, it is provided that at least two different types of nozzles are provided, wherein the nozzles of different types have nozzle outlet openings with an identical cross section, and for predetermining different flow rates of fuel through the fuel channels of the nozzles of different types, a cross section of a fuel channel of one type of nozzle is different from a cross section of a fuel channel of another type of nozzle.
    Type: Grant
    Filed: June 27, 2018
    Date of Patent: October 20, 2020
    Assignee: ROLLS-ROYCE DEUTSCHLAND LTD & CO KG
    Inventors: Carsten Clemen, Thomas Doerr
  • Patent number: 10808935
    Abstract: A combustion chamber assembly group includes a nozzle providing a fuel-air mixture at a nozzle exit opening. An end of a fuel guiding channel is bordered at the nozzle exit opening by a flow-off edge located radially outside, and an air guiding element of an air guiding channel of the nozzle located radially outside projects with respect to this flow-off edge in the axial direction with respect to a nozzle longitudinal axis such that: a reference angle present between the nozzle longitudinal axis and a straight boundary line extending through a point at the flow-off edge and tangentially to the axially projecting air guiding element, and/or a reference angle present between the nozzle longitudinal axis and a straight boundary line extending through a point at the flow-off edge and a point of the air guiding element that projects maximally beyond the flow-off edge in the axial direction is ?50°.
    Type: Grant
    Filed: September 25, 2018
    Date of Patent: October 20, 2020
    Assignee: ROLLS-ROYCE DEUTSCHLAND LTD & CO KG
    Inventors: Max Staufer, Miklos Gerendas, Ruud Eggels
  • Patent number: 10808623
    Abstract: A combustion chamber assembly, with a combustion chamber nozzle for providing a fuel-air mixture at a nozzle exit opening. A nozzle main body includes an inner air guiding channel for conveying air to the exit opening, a fuel guiding channel for conveying fuel to the exit opening that is positioned radially further outwards to the axis than the inner air guiding channel, and a radially outwardly positioned air guiding element for guiding the air and the fuel-air mixture discharged at the exit opening in a radially outwardly oriented outflow direction. A guide flow generation device creates a guide flow of air that radially borders the air and the fuel-air mixture discharged at the exit opening, and defines a maximum outflow angle for the outflow direction with respect to the nozzle longitudinal axis at which the air and fuel-air mixture discharged at the exit opening can flow radially outwards.
    Type: Grant
    Filed: March 13, 2019
    Date of Patent: October 20, 2020
    Assignee: ROLLS-ROYCE DEUTSCHLAND LTD & CO KG
    Inventor: Max Staufer
  • Patent number: 10794188
    Abstract: A rotor blade assembly group for an engine with a ring-shaped or disc-shaped blade carrier having multiple rotor blades that are provided along a circle line about a central axis of the rotor blade assembly group, wherein the blade carrier has a carrier section that extends radially inwards in the direction of the central axis with respect to the rotor blades, the carrier section comprises a connection area, at which a stiffening structure with at least two, first and second, stiffening elements is fixedly attached, and the first stiffening element is arranged at a first face side of the blade carrier and the second stiffening element is arranged at a second face side that is facing away from the first face side. The first and second stiffening elements are connected to the connection area of the blade carrier and in addition are connected to each other.
    Type: Grant
    Filed: October 11, 2017
    Date of Patent: October 6, 2020
    Assignee: ROLLS-ROYCE DEUTSCHLAND LTD & CO KG
    Inventors: Miklos Gaebler, Sven Brueggmann
  • Patent number: 10794224
    Abstract: A gas turbine, including: a combustion chamber; a high-pressure turbine with a first turbine guide vane ring that is arranged downstream of the combustion chamber, wherein the first turbine guide vane ring has a plurality of turbine nozzle guide vane segments that respectively include at least one guide vane, an outer platform, and an inner platform; and an outer housing. Provision is made that the turbine nozzle guide vane segments are fixed in the radial direction at the outer housing, wherein occurring radial loads are transferred into the outer housing. The invention further relates to a method for attaching a turbine nozzle guide vane segment of a gas turbine.
    Type: Grant
    Filed: August 21, 2017
    Date of Patent: October 6, 2020
    Assignee: ROLLS-ROYCE DEUTSCHLAND LTD & CO KG
    Inventor: Thomas Schiessl
  • Patent number: 10794470
    Abstract: A gear with an oil distribution system includes a first area at least approximately rotationally symmetrical with, in its radially inner area, an opening. Via the opening, oil is introduced from a second area into the first area during operation. Downstream of the opening with respect to the second area, the first area includes a collecting area extending in the radial and circumferential directions of the first area. An acceleration appliance for the oil, connected to the first area, is provided in the collecting area so a substantially radial flow direction in the direction of a radially outer area of the collecting area is applied to the oil that is present in the collecting area when the first area rotates. An area of the engine provided downstream of an outlet opening is in or can be brought into operative connection with the main oil supply circuit.
    Type: Grant
    Filed: September 10, 2018
    Date of Patent: October 6, 2020
    Assignee: ROLLS-ROYCE DEUTSCHLAND LTD & CO KG
    Inventors: Stephan Uhkoetter, Uwe Kracht, Jens Klostermann