Patents by Inventor Rupert Pfaller
Rupert Pfaller 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: 20230406817Abstract: A process for the enzymatic oxidation of sulfinic acids includes sulfinic acids of formula H2N—CH(R)—CH2—SO2H to sulfonic acids of formula H2N—CH(R)—CH2—SO3H and an enzyme selected from the class of H2O2-generating oxidases in the presence of the substrate of said enzyme.Type: ApplicationFiled: July 5, 2021Publication date: December 21, 2023Applicant: Wacker Chemie AGInventor: Rupert PFALLER
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Publication number: 20230265473Abstract: Genetically modified microorganism strains for the fermentative production of cysteine provide higher yields of L-cysteine or L-cystine during fermentation. Cysteine production is improved in the genetically modified microorganism strains by attenuating or inactivating phosphoenolpyruvate synthase enzyme activity, alone or in combination with the overexpression of efflux proteins and proteins that reduce feedback inhibition by cysteine and by serine.Type: ApplicationFiled: June 26, 2020Publication date: August 24, 2023Applicant: WACKER CHEMIE AGInventors: Rupert PFALLER, Johanna KOCH
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Patent number: 11732746Abstract: A drive shaft made from composite materials that comprises a hollow body and a flange that is integrally formed with the hollow body. The hollow body is adapted to rotating around an associated rotation axis and is made of a first composite material. The flange is made of a second composite material and arranged at an axial end of the hollow body. The flange comprises at least two separate plates that branch out from the hollow body at the axial end. The flange further comprises a mounting section that is configured to be mounted to an external component and comprises a plurality of holes that is adapted to accommodate coupling means.Type: GrantFiled: August 18, 2021Date of Patent: August 22, 2023Assignee: AIRBUS HELICOPTERS DEUTSCHLAND GMBHInventors: Rupert Pfaller, Moritz Buesing
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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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Patent number: 11420719Abstract: A shear connection for interchangeably connecting two airframe parts of an aircraft. The shear connection may include first and second interface parts. The second interface part may overlap in the longitudinal direction at an overlap section with at least one of the first interface part and the first airframe part. The shear connection may further comprise means that rigidly and non-interchangeably attach the first interface part to the first airframe part and the second interface part to the second airframe part and a shear bolt that rigidly and interchangeably connects the second interface part with the at least one of the first interface part and the first airframe part at the overlap section, thereby interchangeably connecting the first and second airframe parts.Type: GrantFiled: January 31, 2019Date of Patent: August 23, 2022Assignee: AIRBUS HELICOPTERS DEUTSCHLAND GMBHInventors: Andreas Rack, Thomas Joachim, Rupert Pfaller
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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: 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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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: 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: 20220154762Abstract: A drive shaft made from composite materials that comprises a hollow body and a flange that is integrally formed with the hollow body. The hollow body is adapted to rotating around an associated rotation axis and is made of a first composite material. The flange is made of a second composite material and arranged at an axial end of the hollow body. The flange comprises at least two separate plates that branch out from the hollow body at the axial end. The flange further comprises a mounting section that is configured to be mounted to an external component and comprises a plurality of holes that is adapted to accommodate coupling means.Type: ApplicationFiled: August 18, 2021Publication date: May 19, 2022Applicant: AIRBUS HELICOPTERS DEUTSCHLAND GMBHInventors: Rupert PFALLER, Moritz BUESING
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Patent number: 11220325Abstract: A thrust producing unit for producing thrust in a predetermined direction, comprising at least two rotor assemblies and a shrouding that accommodates at most one of the at least two rotor assemblies, wherein the shrouding defines a cylindrical air duct that is axially delimited by an air inlet region and an air outlet region, and wherein the air inlet region exhibits in circumferential direction of the cylindrical air duct an undulated geometry.Type: GrantFiled: February 27, 2018Date of Patent: January 11, 2022Assignee: AIRBUS HELICOPTERS DEUTSCHLAND GMBHInventors: Uwe Kiesewetter, Sebastian Mores, Marius Bebesel, Rupert Pfaller
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Patent number: 10967965Abstract: An elastic flapping hinge for connecting a rotor blade to a rotor hub of a rotary wing aircraft, comprising an elastic flapping hinge member arrangement that includes a hub attachment area for attachment to the rotor hub, a connection area for attachment to the rotor blade, and an elastic flapping hinge area that is arranged between the hub attachment area and the connection area and adapted to allow flapping movements, the elastic flapping hinge member arrangement comprising at least two elastic flapping hinge members having a first bending stiffness for flapping movements and a second bending stiffness for lead-lag movements, the first bending stiffness being smaller than the second bending stiffness, wherein the at least two elastic flapping hinge members diverge from each other in the elastic flapping hinge area by a predetermined divergence angle.Type: GrantFiled: August 21, 2018Date of Patent: April 6, 2021Assignee: AIRBUS HELICOPTERS DEUTSCHLAND GMBHInventors: Moritz Buesing, Rupert Pfaller, Martin Ortner
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Patent number: 10836475Abstract: A multirotor aircraft with an airframe and at least one wing that is mounted to the airframe, the at least one wing being provided with at least four thrust producing units that are arranged in spanwise direction of the at least one wing, wherein each one of the at least four thrust producing units comprises at least one rotor assembly that is accommodated in an associated shrouding, the associated shrouding being integrated into the at least one wing, wherein the associated shrouding defines an air duct that is axially delimited by an air inlet region and an air outlet region, wherein the air inlet region exhibits in circumferential direction of the air duct at least two different aerodynamic profiles.Type: GrantFiled: September 27, 2018Date of Patent: November 17, 2020Assignee: AIRBUS HELICOPTERS DEUTSCHLAND GMBHInventors: Rupert Pfaller, Uwe Kiesewetter, Sebastian Mores, Marius Bebesel
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Patent number: 10829214Abstract: An elastic torsion element for connecting a rotor blade to a rotor hub of a rotor, the elastic torsion element comprising at least two elastically deformable plates, wherein each one of the at least two elastically deformable plates comprises fiber reinforced polymers, wherein respective fibers of the fiber reinforced polymers of each one of the at least two elastically deformable plates are at least arranged along one of a first and a second dominant fiber directions, wherein the first dominant fiber direction crosses the second dominant fiber direction in a predetermined fiber direction crossing region, and wherein the elastic torsion element comprises an integrated elastic lead-lag hinge that is formed at the predetermined fiber direction crossing region.Type: GrantFiled: September 27, 2018Date of Patent: November 10, 2020Assignee: AIRBUS HELICOPTERS DEUTSCHLAND GMBHInventors: Moritz Buesing, Rupert Pfaller, Martin Ortner
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Patent number: 10518874Abstract: A multi-blade rotor for a rotary wing aircraft, comprising a plurality of rotor that is connected to an associated rotor head via a plurality of flexbeam elements, wherein at least one flexbeam element of the plurality of flexbeam elements comprises an asymmetrical flexbeam root that is mounted to the associated rotor head.Type: GrantFiled: May 17, 2017Date of Patent: December 31, 2019Assignee: AIRBUS HELICOPTERS DEUTSCHLAND GMBHInventors: Gerald Kuntze-Fechner, Martin Ortner, Victoria Otto, Christeline Salmon, Eugen Rink, Rupert Pfaller
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Publication number: 20190241245Abstract: A shear connection for interchangeably connecting two airframe parts of an aircraft. The shear connection may include first and second interface parts. The second interface part may overlap in the longitudinal direction at an overlap section with at least one of the first interface part and the first airframe part. The shear connection may further comprise means that rigidly and non-interchangeably attach the first interface part to the first airframe part and the second interface part to the second airframe part and a shear bolt that rigidly and interchangeably connects the second interface part with the at least one of the first interface part and the first airframe part at the overlap section, thereby interchangeably connecting the first and second airframe parts.Type: ApplicationFiled: January 31, 2019Publication date: August 8, 2019Applicant: AIRBUS HELICOPTERS DEUTSCHLAND GMBHInventors: Andreas RACK, Thomas JOACHIM, Rupert PFALLER
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Publication number: 20190112040Abstract: An elastic torsion element for connecting a rotor blade to a rotor hub of a rotor, the elastic torsion element comprising at least two elastically deformable plates, wherein each one of the at least two elastically deformable plates comprises fiber reinforced polymers, wherein respective fibers of the fiber reinforced polymers of each one of the at least two elastically deformable plates are at least arranged along one of a first and a second dominant fiber directions, wherein the first dominant fiber direction crosses the second dominant fiber direction in a predetermined fiber direction crossing region, and wherein the elastic torsion element comprises an integrated elastic lead-lag hinge that is formed at the predetermined fiber direction crossing region.Type: ApplicationFiled: September 27, 2018Publication date: April 18, 2019Applicant: AIRBUS HELICOPTERS DEUTSCHLAND GMBHInventors: Moritz BUESING, Rupert PFALLER, Martin ORTNER
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Publication number: 20190112039Abstract: A multirotor aircraft with an airframe and at least one wing that is mounted to the airframe, the at least one wing being provided with at least four thrust producing units that are arranged in spanwise direction of the at least one wing, wherein each one of the at least four thrust producing units comprises at least one rotor assembly that is accommodated in an associated shrouding, the associated shrouding being integrated into the at least one wing, wherein the associated shrouding defines an air duct that is axially delimited by an air inlet region and an air outlet region, wherein the air inlet region exhibits in circumferential direction of the air duct at least two different aerodynamic profiles.Type: ApplicationFiled: September 27, 2018Publication date: April 18, 2019Applicant: AIRBUS HELICOPTERS DEUTSCHLAND GMBHInventors: Rupert PFALLER, Uwe KIESEWETTER, Sebastian MORES, Marius BEBESEL