Patents by Inventor Klaus Wittig
Klaus Wittig 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: 12152504Abstract: A rotor for a turbomachine has at least one blade and has at least one rotor main part, which has at least one recess, in which a blade root of the least one blade is interlockingly received, wherein the blade root comprises at least one depression, in which at least one protrusion of the at least one rotor main part, which protrusion delimits the at least one recess in regions is received, wherein the at least one depression is delimited by a first delimiting face on the blade root side and the at least one protrusion is delimited by a second delimiting face on the rotor main part side. At least the first delimiting face has at least one elevation which narrows a gap at least in regions, which extends between the first delimiting face and the second delimiting face.Type: GrantFiled: December 7, 2020Date of Patent: November 26, 2024Assignee: MTU Aero Engines AGInventors: Martin Pernleitner, Dieter Freno, Manfred Dopfer, Tino Hummel, Klaus Wittig
-
Patent number: 12140041Abstract: A stator vane for a turbomachine, including an airfoil having a leading edge and a trailing edge, which are interconnected by a suction side and a pressure side, the airfoil extending substantially in a radial direction between an inner platform and an outer platform, wherein, when viewed in an axial direction of the turbomachine toward the trailing edge, the trailing edge extends so as to be inclined at a first angle to the pressure side radially on an outside in relation to the radial direction at a circumferential position at which the trailing edge meets the outer platform, and wherein the first angle between the trailing edge and a tangent to the outer platform at a transition from the outer platform to the trailing edge is between 72° and 84°.Type: GrantFiled: February 9, 2023Date of Patent: November 12, 2024Assignee: MTU AERO ENGINES AGInventors: Bernd Kislinger, Markus Brettschneider, Detlef Korte, Klaus Wittig
-
Patent number: 11905852Abstract: An intermediate element is for a blade/rotor disk connection in a rotor of a fluid flow machine. The intermediate element is adapted to a shape of a blade root of a blade and to a blade root slot in a rotor disk for receiving the blade root such that, when arranged between the blade root and rotor disk, the intermediate element prevents contact between the blade root and rotor disk. The intermediate element has, on an outer surface that faces the rotor disk, at least one protrusion to reduce an air flow parallel to an axis of rotation of the rotor between the rotor disk and the intermediate element; and on an inner surface that faces the blade root, a recess that corresponds to the at least one protrusion.Type: GrantFiled: July 14, 2020Date of Patent: February 20, 2024Assignee: MTU AERO ENGINES AGInventors: Martin Pernleitner, Klaus Wittig, Manfred Dopfer, Dieter Freno, Tino Hummel
-
Patent number: 11753950Abstract: A gas turbine has a rotor blade. The rotor blade has a blade root connected to an airfoil. The blade root has a root contour with respect to a cross-sectional view. From a lower end of the blade root, the blade root contour has convex contour portions and concave contour portions. From the lower end along the blade root contour between a convex contour portion and an adjoining concave contour portion, there is a contour portion as a flank portion that is load-bearing. From the lower end along the blade root contour between a concave contour portion and an adjoining convex contour portion, there is a contour portion as a flank portion that is not load-bearing in operation. At least one of the concave contour portions has a first arc portion, a second arc portion, and a straight portion disposed between the two arc portions.Type: GrantFiled: May 18, 2020Date of Patent: September 12, 2023Assignee: MTU AERO ENGINES AGInventors: Martin Pernleitner, Dieter Freno, Klaus Wittig, Christian Eichler, Lutz Friedrich, Johannes Linhard
-
Publication number: 20230258088Abstract: A stator vane for a turbomachine, including an airfoil having a leading edge and a trailing edge, which are interconnected by a suction side and a pressure side, the airfoil extending substantially in a radial direction between an inner platform and an outer platform, wherein, when viewed in an axial direction of the turbomachine toward the trailing edge, the trailing edge extends so as to be inclined at a first angle to the pressure side radially on an outside in relation to the radial direction at a circumferential position at which the trailing edge meets the outer platform, and wherein the first angle between the trailing edge and a tangent to the outer platform at a transition from the outer platform to the trailing edge is between 72° and 84°.Type: ApplicationFiled: February 9, 2023Publication date: August 17, 2023Inventors: Bernd Kislinger, Markus Brettschneider, Detlef Korte, Klaus Wittig
-
Publication number: 20230128349Abstract: The invention relates to a rotor for a turbomachine, having at least one blade and having at least one rotor main part, which has at least one recess, in which a blade root of the least one blade is interlockingly received, wherein the blade root comprises at least one depression, in which at least one protrusion of the at least one rotor main part which protrusion delimits the at least one recess in regions is received, wherein the at least one depression is delimited by a first delimiting face on the blade root side and the at least one protrusion is delimited by a second delimiting face on the rotor main part side. At least the first delimiting face has at least one elevation which narrows a gap at least in regions, which extends between the first delimiting face and the second delimiting face.Type: ApplicationFiled: December 7, 2020Publication date: April 27, 2023Applicant: MTU Aero Engines AGInventors: Martin Pernleitner, Dieter Freno, Manfred Dopfer, Tino Hummel, Klaus Wittig
-
Publication number: 20220268164Abstract: An intermediate element is for a blade/rotor disk connection in a rotor of a fluid flow machine. The intermediate element is adapted to a shape of a blade root of a blade and to a blade root slot in a rotor disk for receiving the blade root such that, when arranged between the blade root and rotor disk, the intermediate element prevents contact between the blade root and rotor disk. The intermediate element has, on an outer surface that faces the rotor disk, at least one protrusion to reduce an air flow parallel to an axis of rotation of the rotor between the rotor disk and the intermediate element; and on an inner surface that faces the blade root, a recess that corresponds to the at least one protrusion.Type: ApplicationFiled: July 14, 2020Publication date: August 25, 2022Inventors: Martin Pernleitner, Klaus Wittig, Manfred Dopfer, Dieter Freno, Tino Hummel
-
Publication number: 20220251959Abstract: A gas turbine has a rotor blade. The rotor blade has a blade root connected to an airfoil. The blade root has a root contour with respect to a cross-sectional view. From a lower end of the blade root, the blade root contour has convex contour portions and concave contour portions. From the lower end along the blade root contour between a convex contour portion and an adjoining concave contour portion, there is a contour portion as a flank portion that is load-bearing. From the lower end along the blade root contour between a concave contour portion and an adjoining convex contour portion, there is a contour portion as a flank portion that is not load-bearing in operation. At least one of the concave contour portions has a first arc portion, a second arc portion, and a straight portion disposed between the two arc portions.Type: ApplicationFiled: May 18, 2020Publication date: August 11, 2022Inventors: Martin PERNLEITNER, Dieter FRENO, Klaus WITTIG, Christian EICHLER, Lutz FRIEDRICH, Johannes LINHARD
-
Patent number: 11253088Abstract: Drawer device (501) having a surveillance space (R) for storing piece goods (G), the drawer device having a base (410) and four side walls (510), and having at least one separating element (330), which is inserted parallel to the side walls (510), such that at least two partial sections (TB) are created, wherein at least one partial section (TB) has, on at least two opposing sides, respectively, at least one sensor assembly (100) having a plurality of signal transmitting devices (21) and/or signal receiving devices (22), respectively one control electronics (16) for power supply, control and/or processing of signals (S), wherein a signal (S) of a signal transmitting device (21) of a sensor assembly (100) is detectable from a plurality of signal receiving devices (22) of the opposing sensor assembly (100), and the at least one separating element (330) is positionable approximately parallel to a signal direction (S) between the signal transmitting devices and the signal receiving devices.Type: GrantFiled: November 18, 2016Date of Patent: February 22, 2022Assignee: WURTH INTERNATIONAL AGInventor: Klaus Wittig
-
Patent number: 11125088Abstract: A rotor blade for a gas turbine, in particular an aircraft gas turbine, having a blade root element and a stream deflection portion adjoining the blade root element (12) in the longitudinal direction of the blade (RR); respective centroids (24) of blade cross-sectional areas of the stream deflection portion residing on a common stacking axis (26). It is provided that, starting from a first centroid (24) of a first blade cross-sectional area adjoining the blade root element (12), the stacking axis (26) extend within a cone (28) whose apex resides within the first centroid (24), and whose cone height (KH) extends orthogonally to the plane of the blade cross-sectional area; the angle (?) of the cone (28) being greater than 0° and smaller than or equal to 4°; preferably greater than or equal to 0.5° and smaller than or equal to 2°.Type: GrantFiled: November 30, 2016Date of Patent: September 21, 2021Assignee: MTU Aero Engines AGInventors: Carsten Schoenhoff, Martin Pernleitner, Klaus Wittig, Manfred Dopfer, Marcus Woehler, Wilfrid Schuette, Christoph Bichlmaier, Rudolf Stanka, Norman Cleesattel
-
Publication number: 20210269239Abstract: Drawer device (501) having a surveillance space (R) for storing piece goods (G), the drawer device having a base (410) and four side walls (510), and having at least one separating element (330), which is inserted parallel to the side walls (510), such that at least two partial sections (TB) are created, wherein at least one partial section (TB) has, on at least two opposing sides, respectively, at least one sensor assembly (100) having a plurality of signal transmitting devices (21) and/or signal receiving devices (22), respectively one control electronics (16) for power supply, control and/or processing of signals (S), wherein a signal (S) of a signal transmitting device (21) of a sensor assembly (100) is detectable from a plurality of signal receiving devices (22) of the opposing sensor assembly (100), and the at least one separating element (330) is positionable approximately parallel to a signal direction (5) between the signal transmitting devices and the signal receiving devices.Type: ApplicationFiled: November 18, 2016Publication date: September 2, 2021Inventor: Klaus WITTIG
-
Patent number: 10952551Abstract: Device for storing piece goods, in particular a shelf unit or a cupboard, having at least one shelf, which has an upper side, on which the piece good is storable in a surveillance space, and a lower side and openings, which run from the upper side to the lower side, as well as signal transmitting devices having associated signal receiving devices, wherein at least one type of the devices is arranged in the openings at the lower side, and a signal of the signal transmitting devices is detectable by the signal receiving devices, as well as a control electronics having a control system, which energize the signal transmitting devices and the signal receiving devices and process the signals of the signal receiving devices and identify them, so as to identify an occupancy state of the surveillance space with piece goods on the basis of the existence of a signal at the respective signal receiving device.Type: GrantFiled: November 18, 2016Date of Patent: March 23, 2021Assignee: WÜRTH INTERNATIONAL AGInventor: Klaus Wittig
-
Patent number: 10914180Abstract: A shroud segment (100) for disposition on a blade of a turbomachine is provided, in particular a gas turbine, the shroud segment having a stiffening structure raised above a shroud segment surface (15), the stiffening structure including at least three interconnected ribs (3, 5, 7), and a first end portion of the ribs (3, 5, 7) being connected to an upstream sealing tip (11) of the shroud segment (100), and a second end portion of these ribs (3, 5, 7) being connected to a downstream sealing tip (13) of the shroud segment (100). The angles (W1, W2, W3) between the direction of the axis of rotation (a) of the blade and the longitudinal orientations (21, 23, 25) of the ribs (3, 5, 7), as viewed in the direction of flow (9) through the turbomachine, are between zero degrees and eighty degrees. The present invention also relates to a blade (200) of a turbomachine.Type: GrantFiled: January 16, 2019Date of Patent: February 9, 2021Assignee: MTU Aero Engines AGInventors: Martin Pernleitner, Klaus Wittig, Lutz Friedrich
-
Publication number: 20190234219Abstract: A shroud segment (100) for disposition on a blade of a turbomachine is provided, in particular a gas turbine, the shroud segment having a stiffening structure raised above a shroud segment surface (15), the stiffening structure including at least three interconnected ribs (3, 5, 7), and a first end portion of the ribs (3, 5, 7) being connected to an upstream sealing tip (11) of the shroud segment (100), and a second end portion of these ribs (3, 5, 7) being connected to a downstream sealing tip (13) of the shroud segment (100). The angles (W1, W2, W3) between the direction of the axis of rotation (a) of the blade and the longitudinal orientations (21, 23, 25) of the ribs (3, 5, 7), as viewed in the direction of flow (9) through the turbomachine, are between zero degrees and eighty degrees. The present invention also relates to a blade (200) of a turbomachine.Type: ApplicationFiled: January 16, 2019Publication date: August 1, 2019Inventors: Martin PERNLEITNER, Klaus WITTIG, Lutz FRIEDRICH
-
Publication number: 20190150639Abstract: Device for storing piece goods, in particular a shelf unit or a cupboard, having at least one shelf, which has an upper side, on which the piece good is storable in a surveillance space, and a lower side and openings, which run from the upper side to the lower side, as well as signal transmitting devices having associated signal receiving devices, wherein at least one type of the devices is arranged in the openings at the lower side, and a signal of the signal transmitting devices is detectable by the signal receiving devices, as well as a control electronics having a control system, which energize the signal transmitting devices and the signal receiving devices and process the signals of the signal receiving devices and identify them, so as to identify an occupancy state of the surveillance space with piece goods on the basis of the existence of a signal at the respective signal receiving device.Type: ApplicationFiled: November 18, 2016Publication date: May 23, 2019Inventor: Klaus WITTIG
-
Publication number: 20190147395Abstract: A storage system with a shelf unit having shelves arranged on top of each other, wherein each shelf is logically subdivided in compartments arranged side by side. A unique address is assigned to each compartment. A sensor system detects an occupancy of the compartments by spatially scanning to generate an occupancy information which indicates a degree of occupancy of the respective compartment.Type: ApplicationFiled: May 4, 2017Publication date: May 16, 2019Inventor: Klaus Wittig
-
Patent number: 10267157Abstract: The present invention relates to a rotating blade for a turbomachine, in particular a compressor stage or a turbine stage of a gas turbine, particularly of an aircraft engine, having a blade element for deflecting the flow, with a pressure side and a suction side, these sides being joined by a leading edge and a trailing edge, wherein a stacking axis of the blade element, in the radial direction over a radius r from a root of a blade element at r=0 to a tip of a blade element at r=H, has a course x(r) in a first downstream direction perpendicular to the radial direction and parallel to a principal axis of the turbomachine and has a course y(r) in a second direction perpendicular to the radial direction and to the first direction.Type: GrantFiled: October 19, 2016Date of Patent: April 23, 2019Assignee: MTU Aero Engines AGInventors: Kaspar Wolf, Klaus Wittig, Marcus Woehler, Martin Pernleitner, Wilfried Schuette
-
Patent number: 9897720Abstract: A container for the transport and/or the storage of objects is described. A container of this type features a detection device for determining information on the occupancy status and/or the filling status of the container. The detection device is capable of detecting different light intensities in the region of the inner container wall and of generating corresponding sensor signals. Furthermore, an interface is provided for producing a connection with a signal processing unit, in which image information on the filling status and/or occupancy status of the container can be generated based on the sensor signals.Type: GrantFiled: August 3, 2011Date of Patent: February 20, 2018Assignee: Würth Elektronik ICS GmbH & Co. KGInventors: Albrecht Faber, Franz-Josef Hoffman, Klaus Wittig
-
Patent number: 9893443Abstract: A switch element is provided for directly inserting into a circuit board, wherein the switch element comprises a switch element circuit and a plurality of plug contacts, wherein the plug contacts comprise a connection portion, which is connected to the switch element circuit, and a fastening portion, wherein the fastening portion is adapted such that it is directly insertable into the circuit board, and wherein the fastening portion comprises a safety element which is adapted such that an unintentionally detaching of the plug connection is prevented.Type: GrantFiled: October 8, 2014Date of Patent: February 13, 2018Assignee: Wurth Elektronik ICS GmbH & Co. KGInventors: Klaus Wittig, Werner Kallee
-
Patent number: 9812799Abstract: A direct plug device for directly plugging into a printed circuit board, the direct plug device comprising a plug element that comprises an accommodating housing and at least one pluggable, in particular spring-like, contact element accommodated at it; and a plug element receptacle which is designed to at least partially accommodate the plug element, which comprises a locking device and which can be moved relative to the plug element between a contact element-remote state and a contact element-proximal state; wherein the plug element comprises at least one pre-adjusting structure which is to be arranged at the side of the printed circuit board and which, when the plug element is placed onto the printed circuit board, can be connected to at least one corresponding pre-adjusting structure of the printed circuit board in such a way that, in the connected state, the at least one contact element is aligned with at least one correspondingly designed contact element opening of the printed circuit board; and whereinType: GrantFiled: August 21, 2014Date of Patent: November 7, 2017Assignee: Wurth Elektronik ICS Gmbh & Co. KGInventor: Klaus Wittig