Patents by Inventor Tobias RIES
Tobias RIES 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).
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Publication number: 20240140601Abstract: A rotorcraft with at least one main rotor and a fuselage, comprising: a tail boom connected to the fuselage, the tail boom extending from the fuselage toward a duct-type portion; a shroud provided at the duct-type portion and forming a transverse duct; at least one ducted tail rotor rotatably arranged in the transverse duct, wherein the at least one ducted tail rotor comprises a plurality of rotor blades mounted to a rotatable rotor hub; and a stator with a gearbox fairing mounted to the shroud for supporting the rotatable rotor hub in the transverse duct, wherein the stator comprises at least one rotatable stator blade connecting the gearbox fairing to the shroud.Type: ApplicationFiled: July 17, 2023Publication date: May 2, 2024Applicant: AIRBUS HELICOPTERS DEUTSCHLAND GMBHInventors: Rupert PFALLER, Tobias RIES
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Publication number: 20240140602Abstract: A rotorcraft with at least one main rotor and a fuselage, comprising: a tail boom connected to the fuselage, the tail boom extending in a longitudinal direction from the fuselage toward a duct-type portion; a shroud provided at the duct-type portion and forming a transverse duct comprising a circumferential direction and a longitudinal extension oriented at least essentially perpendicular to the circumferential direction and the longitudinal direction of the tail boom; and at least one ducted tail rotor rotatably arranged in the transverse duct; wherein the shroud comprises a first section connected to the tail boom and a second section spaced apart from the tail boom and diametrically opposed to the first section, the first section comprising an airfoil-like aerodynamic profile.Type: ApplicationFiled: September 13, 2023Publication date: May 2, 2024Applicant: AIRBUS HELICOPTERS DEUTSCHLAND GMBHInventors: Rupert PFALLER, Tobias RIES, Uwe KIESEWETTER
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Patent number: 11702199Abstract: A rotorcraft, and, more particularly, to a rotorcraft with a fuselage having a center line, at least one main rotor that generates vortices during operation, and a stabilizer wing, whereby the stabilizer wing has a planform that reduces the unsteady aerodynamic loads caused by the wake of the at least one main rotor. In particular, the stabilizer wing may be provided with a left wing tip, a right wing tip, a quarter chord line with a non-zero curvature, such that an interaction between the vortices generated by the at least one main rotor and the quarter chord line is spread out over time, a leading edge that is arc-shaped, and a trailing edge that is arc-shaped.Type: GrantFiled: September 1, 2022Date of Patent: July 18, 2023Assignee: AIRBUS HELICOPTERS DEUTSCHLAND GMBHInventors: Martin Embacher, Tobias Ries, Christian Eckert, Thomas Kneisch
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Patent number: 11697493Abstract: A rotary wing aircraft that extends along an associated roll axis between a nose region and an aft region. The rotary wing aircraft comprises a main rotor; a propeller that is at least configured to propel the rotary wing aircraft in forward flight condition, wherein the propeller forms a circular propeller disc in rotation around an associated rotation axis; and a shrouded duct that is arranged in the aft region and that forms an inner air duct which accommodates at least partly the propeller, wherein the shrouded duct comprises a yaw and pitch stability enhancement unit for improving yaw and pitch stability of the rotary wing aircraft in the forward flight condition.Type: GrantFiled: January 13, 2022Date of Patent: July 11, 2023Assignee: AIRBUS HELICOPTERS DEUTSCHLAND GMBHInventors: Rupert Pfaller, Tobias Ries
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Patent number: 11655021Abstract: A rotary wing aircraft that extends along an associated roll axis between a nose region and an aft region and that comprises a fuselage with a front section and a rear section, the rotary wing aircraft comprising: a main rotor that is rotatably mounted at the front section, a shrouded duct that is arranged in the aft region, and a propeller that is rotatably mounted to the shrouded duct, wherein the rear section extends between the front section and the shrouded duct and comprises an asymmetrical cross-sectional profile in direction of the associated roll axis.Type: GrantFiled: July 15, 2021Date of Patent: May 23, 2023Assignee: AIRBUS HELICOPTERS DEUTSCHLAND GMBHInventors: Rupert Pfaller, Tobias Ries
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Publication number: 20230024261Abstract: A rotary wing aircraft that extends along an associated roll axis between a nose region and an aft region. The rotary wing aircraft comprises a main rotor; a propeller that is at least configured to propel the rotary wing aircraft in forward flight condition, wherein the propeller forms a circular propeller disc in rotation around an associated rotation axis; and a shrouded duct that is arranged in the aft region and that forms an inner air duct which accommodates at least partly the propeller, wherein the shrouded duct comprises a yaw and pitch stability enhancement unit for improving yaw and pitch stability of the rotary wing aircraft in the forward flight condition.Type: ApplicationFiled: January 13, 2022Publication date: January 26, 2023Applicant: AIRBUS HELICOPTERS DEUTSCHLAND GMBHInventors: Rupert PFALLER, Tobias RIES
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Publication number: 20230002041Abstract: A rotorcraft, and, more particularly, to a rotorcraft with a fuselage having a center line, at least one main rotor that generates vortices during operation, and a stabilizer wing, whereby the stabilizer wing has a planform that reduces the unsteady aerodynamic loads caused by the wake of the at least one main rotor. In particular, the stabilizer wing may be provided with a left wing tip, a right wing tip, a quarter chord line with a non-zero curvature, such that an interaction between the vortices generated by the at least one main rotor and the quarter chord line is spread out over time, a leading edge that is arc-shaped, and a trailing edge that is arc-shaped.Type: ApplicationFiled: September 1, 2022Publication date: January 5, 2023Applicant: AIRBUS HELICOPTERS DEUTSCHLAND GMBHInventors: Martin EMBACHER, Tobias RIES, Christian ECKERT, Thomas KNEISCH
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Patent number: 11485487Abstract: A rotorcraft, and, more particularly, to a rotorcraft with a fuselage having a center line, at least one main rotor that generates vortices during operation, and a stabilizer wing, whereby the stabilizer wing has a planform that reduces the unsteady aerodynamic loads caused by the wake of the at least one main rotor. In particular, the stabilizer wing may be provided with a left wing tip, a right wing tip, a quarter chord line with a non-zero curvature, such that an interaction between the vortices generated by the at least one main rotor and the quarter chord line is spread out over time, a leading edge that is arc-shaped, and a trailing edge that is arc-shaped.Type: GrantFiled: February 27, 2020Date of Patent: November 1, 2022Assignee: AIRBUS HELICOPTERS DEUTSCHLAND GMBHInventors: Martin Embacher, Tobias Ries, Christian Eckert, Thomas Kneisch
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Publication number: 20220258858Abstract: The present disclosure relates to a rotary wing aircraft that extends along an associated roll axis between a nose region and an aft region. The rotary wing aircraft comprises a main rotor; a shrouded duct that is arranged in the aft region and that forms an inner air duct, wherein the shrouded duct is formed to generate sideward thrust for main rotor anti-torque in forward flight condition of the rotary wing aircraft; and a propeller that is at least configured to propel the rotary wing aircraft in the forward flight condition; wherein the propeller forms a circular propeller disc in rotation around an associated rotation axis; and wherein the propeller is rotatably mounted to the shrouded duct such that the circular propeller disc is at least essentially arranged inside of the inner air duct.Type: ApplicationFiled: December 29, 2021Publication date: August 18, 2022Applicant: AIRBUS HELICOPTERS DEUTSCHLAND GMBHInventors: Rupert PFALLER, Tobias RIES
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Publication number: 20220185467Abstract: A rotary wing aircraft that extends along an associated roll axis between a nose region and an aft region and that comprises a fuselage with a front section and a rear section, the rotary wing aircraft comprising: a main rotor that is rotatably mounted at the front section, and a stabilizer arrangement that is arranged at the rear section in the aft region, wherein the rear section extends between the front section and the stabilizer arrangement and comprises an asymmetrical cross-sectional profile in direction of the associated roll axis.Type: ApplicationFiled: August 18, 2021Publication date: June 16, 2022Applicant: AIRBUS HELICOPTERS DEUTSCHLAND GMBHInventors: Rupert PFALLER, Tobias RIES
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Publication number: 20220185466Abstract: A rotary wing aircraft that extends along an associated roll axis between a nose region and an aft region and that comprises a fuselage with a front section and a rear section, wherein the rear section extends between the front section and the aft region, the rotary wing aircraft comprising: a propeller that is rotatably mounted at the rear section in the aft region, a main rotor that is rotatably mounted at the front section, and a source of asymmetry that is connected to the front section such that the front section comprises at least in sections an asymmetrical cross-sectional profile in direction of the associated roll axis, wherein the source of asymmetry is configured to generate sideward thrust for main rotor anti-torque from main rotor downwash.Type: ApplicationFiled: July 16, 2021Publication date: June 16, 2022Applicant: AIRBUS HELICOPTERS DEUTSCHLAND GMBHInventors: Rupert PFALLER, Tobias RIES
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Publication number: 20220185465Abstract: A rotary wing aircraft that extends along an associated roll axis between a nose region and an aft region and that comprises a fuselage with a front section and a rear section, the rotary wing aircraft comprising: a main rotor that is rotatably mounted at the front section, a shrouded duct that is arranged in the aft region, and a propeller that is rotatably mounted to the shrouded duct, wherein the rear section extends between the front section and the shrouded duct and comprises an asymmetrical cross-sectional profile in direction of the associated roll axis.Type: ApplicationFiled: July 15, 2021Publication date: June 16, 2022Applicant: AIRBUS HELICOPTERS DEUTSCHLAND GMBHInventors: Rupert PFALLER, Tobias RIES
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Patent number: 11220332Abstract: A rotor comprises at least two rotor blades, and each rotor blade of the at least two rotor blades rotates around a rotor axis and performs pitching around a pitch axis. The rotor axis and the pitch axis intersect in a rotor center. The rotor is characterized in that each rotor blade comprises at least one permanent magnet having a first spherical magnet surface. Each rotor blade further comprises a pitch control apparatus for controlling the pitching of the at least two rotor blades. The pitch control apparatus comprises electrically controlled magnets having a second spherical magnet surface.Type: GrantFiled: November 19, 2019Date of Patent: January 11, 2022Assignee: AIRBUS HELICOPTERS DEUTSCHLAND GMBHInventor: Tobias Ries
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Publication number: 20210147073Abstract: A rotor comprises at least two rotor blades, and each rotor blade of the at least two rotor blades rotates around a rotor axis and performs pitching around a pitch axis. The rotor axis and the pitch axis intersect in a rotor center. The rotor is characterized in that each rotor blade comprises at least one permanent magnet having a first spherical magnet surface. Each rotor blade further comprises a pitch control apparatus for controlling the pitching of the at least two rotor blades. The pitch control apparatus comprises electrically controlled magnets having a second spherical magnet surface.Type: ApplicationFiled: November 19, 2019Publication date: May 20, 2021Applicant: AIRBUS HELICOPTERS DEUTSCHLAND GMBHInventor: Tobias RIES
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Publication number: 20200339253Abstract: A rotorcraft, and, more particularly, to a rotorcraft with a fuselage having a center line, at least one main rotor that generates vortices during operation, and a stabilizer wing, whereby the stabilizer wing has a planform that reduces the unsteady aerodynamic loads caused by the wake of the at least one main rotor. In particular, the stabilizer wing may be provided with a left wing tip, a right wing tip, a quarter chord line with a non-zero curvature, such that an interaction between the vortices generated by the at least one main rotor and the quarter chord line is spread out over time, a leading edge that is arc-shaped, and a trailing edge that is arc-shaped.Type: ApplicationFiled: February 27, 2020Publication date: October 29, 2020Applicant: AIRBUS HELICOPTERS DEUTSCHLAND GMBHInventors: Martin EMBACHER, Tobias RIES, Christian ECKERT, Thomas KNEISCH
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Patent number: 9758245Abstract: A rotor drive for a tail rotor of a helicopter is provided. The system includes a stator and a rotor mounted to the stator with a rotatable central carrier. Rotor blades are radially attached to the rotatable central carrier and each of the rotor blades is pivotable about their respective radial central axis for variation of blade pitch. At least one permanent magnet is provided on each rotor blade. A plurality of electromagnets is provided on the stator close enough to allow inductive interaction between the plurality of electromagnets and the at least one permanent magnet on each rotor blade. The permanent magnets are offset from the radial central axis in a direction perpendicular to the rotation plane for individual pitch control of the rotor blades by individual control of electric supply to the electromagnets.Type: GrantFiled: June 10, 2014Date of Patent: September 12, 2017Assignee: AIRBUS HELICOPTERS DEUTSCHLAND GMBHInventor: Tobias Ries
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Publication number: 20150225078Abstract: A rotor drive system (1), particularly a rotor drive system of a tail rotor of a helicopter, said system (1) comprising a stator (2) and a rotor, said rotor being mounted to the stator (2) with a rotatable central carrier (4) and rotor blades (5) radially attached to said rotatable central carrier (4). Each of said rotor blades (5) are pivotable about their respective radial central axis for variation of blade pitch.Type: ApplicationFiled: June 10, 2014Publication date: August 13, 2015Inventor: Tobias RIES