Patents by Inventor Christoph Steinmetz
Christoph Steinmetz 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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Patent number: 11913363Abstract: A method for manufacturing a position indicator sensor wheel for a camshaft is disclosed. The position indicator includes an axially extending passage for connecting to the camshaft and at least one radially projecting tooth. The method includes providing a sheet from a sheet material; introducing the passage into the sheet; and roughening a radial inner surface of the passage in at least one rough portion.Type: GrantFiled: June 20, 2023Date of Patent: February 27, 2024Assignee: Mahle International GmbHInventors: Tilo Hentschel, Mathias Rummel, Christoph Steinmetz
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Publication number: 20240048022Abstract: The invention relates to a built rotor shaft (1) of an electric motor (2), having a hollow shaft (3) into which on the longitudinal end-side a shaft end piece (5) with a joining region (4) is introduced, having a channel (6) for cooling medium conduction which connects an interior (7) of the hollow shaft (3) with an environment (8), wherein the channel (6) comprises an opening (9) arranged in the hollow shaft (3) and a channel section (10) communicatingly connected therewith in the joining region (4) of the shaft end piece (5). By way of this, a cost-effective design can be achieved. (FIG.Type: ApplicationFiled: June 15, 2023Publication date: February 8, 2024Inventors: Alexandra Hofer, Christoph Steinmetz
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Publication number: 20240006968Abstract: A method for producing a rotor of an electric machine is disclosed. The method may include providing at least two individual parts and individually balancing the at least two individual parts. The method may also include, subsequently to balancing the at least two individual parts, connecting the at least two balanced individual parts to one another such that the rotor is at least unbalance-low.Type: ApplicationFiled: June 28, 2023Publication date: January 4, 2024Inventor: Christoph Steinmetz
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Publication number: 20230407769Abstract: A method for manufacturing a position indicator sensor wheel for a camshaft is disclosed. The position indicator includes an axially extending passage for connecting to the camshaft and at least one radially projecting tooth. The method includes providing a sheet from a sheet material; introducing the passage into the sheet; and roughening a radial inner surface of the passage in at least one rough portion.Type: ApplicationFiled: June 20, 2023Publication date: December 21, 2023Inventors: Tilo Hentschel, Mathias Rummel, Christoph Steinmetz
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Publication number: 20230268798Abstract: A method for producing a bush and a bush for a rotor shaft are disclosed. The method includes: providing a flat metal strip; introducing at least one of (i) a surface structure onto one side of the flat metal strip for at least one of enlarging a heat-transferring area and directing a coolant, and (ii) at least one hole into the flat metal strip; and rolling up the flat metal strip to form the bush. The surface structure, if provided, lies on an inner surface area of the bush.Type: ApplicationFiled: February 20, 2023Publication date: August 24, 2023Inventors: Patrick Altherr, Christoph Steinmetz
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Patent number: 11732620Abstract: A combined plug-sensor wheel for a camshaft is disclosed. The combined plug-sensor wheel includes a pin projecting in an axial direction of the camshaft. The pin, when inserted into the camshaft, seals the camshaft in a fluid-tight manner. According to an implementation, the combined plug-sensor wheel and the camshaft are incorporated into an internal combustion engine.Type: GrantFiled: July 29, 2022Date of Patent: August 22, 2023Inventors: Frank Dautel, Peter Mantler, Christoph Steinmetz
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Publication number: 20230246518Abstract: A rotor shaft for a rotor of an electric machine is disclosed. The rotor shaft includes a hollow-cylindrical tubular body surrounding a tubular body interior that is open at least on one of its two front sides. A front-side opening defined by the tubular body on the at least one front side is closed via a bearing element that is non-rotatably connected to the tubular body. An annular support body is arranged radially on an outer circumferential side of the tubular body and non-rotatably connected to the tubular body. The support body supports itself axially on a front side of the bearing element facing the tubular body.Type: ApplicationFiled: February 2, 2023Publication date: August 3, 2023Inventors: Patrick Altherr, Christoph Steinmetz
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Publication number: 20230112512Abstract: A rotor for an electric motor is disclosed. The rotor includes a rotor shaft with a hollow space arranged in the rotor shaft at least in regions. The hollow space is structured as a cooling channel and has an inner surface. The inner surface of the hollow space comprises structures for an enlargement of a surface area, and/or at least one structural element is provided in the hollow space directly or indirectly connected to the inner surface of the rotor shaft for at least one of the enlargement of the surface area and/or for the mixing of coolant.Type: ApplicationFiled: October 6, 2022Publication date: April 13, 2023Inventors: Mario Mohler, Christoph Steinmetz
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Publication number: 20230031247Abstract: A combined plug-sensor wheel for a camshaft is disclosed. The combined plug-sensor wheel includes a pin projecting in an axial direction of the camshaft. The pin, when inserted into the camshaft, seals the camshaft in a fluid-tight manner. According to an implementation, the combined plug-sensor wheel and the camshaft are incorporated into an internal combustion engine.Type: ApplicationFiled: July 29, 2022Publication date: February 2, 2023Inventors: Frank Dautel, Peter Mantler, Christoph Steinmetz
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Publication number: 20210231031Abstract: A camshaft assembly for an internal combustion engine of a motor vehicle is disclosed. The camshaft assembly includes a camshaft extending along an axial direction and at least one cam non-rotatably arranged on the camshaft. An axial bearing is provided for at least one of an axial alignment and an axial fixing of the camshaft. The at least one cam is part of the axial bearing.Type: ApplicationFiled: January 28, 2021Publication date: July 29, 2021Inventors: Frau M. Turrek, Christoph Steinmetz
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Publication number: 20210140349Abstract: A camshaft arrangement includes an adjustable camshaft and an adjuster for adjusting the camshaft. The adjustable camshaft includes an outer shaft and an inner shaft arranged rotatably in the outer shaft. The adjuster includes a stator connected with the outer shaft in a rotationally fixed manner, and a rotor connected in a rotationally fixed inner with the inner shaft via an axially inserted coupling. A bush is connected with the rotor in a rotationally fixed manner and has at least one channel for supplying a lubricant. The bush has on a face side that axially faces the inner shaft a form that together with a counter-form on the inner shaft provides the axially inserted coupling.Type: ApplicationFiled: November 9, 2020Publication date: May 13, 2021Inventors: Andre Seidenschwann, Andre Selke, Dietmar Schulze, Justus Himstedt, Stefan Steichele, Christoph Steinmetz
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Patent number: 10669902Abstract: A valve drive for an internal combustion engine may include a cam shaft including at least two cams rotationally attached thereto. The valve drive may also include a cam follower including a roller bolt including a rotatable roller arranged thereon. Additionally, the valve drive may include a lever device drivingly connected to the cam follower configured to adjust the cam follower between a first position and a second position. The valve drive may further include a rotatably supported control lever drivingly connected to the cam follower configured to adjust at least one valve of an internal combustion engine. The valve drive may include an actuator drivingly connected to the lever device configured to adjust the cam follower between the first position and the second position, the actuator may be connected to the cam follower in an articulated manner via the lever device.Type: GrantFiled: March 30, 2018Date of Patent: June 2, 2020Assignee: Mahle International GmbHInventors: Juergen Rommel, Christoph Steinmetz
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Patent number: 10480570Abstract: A method for producing a bearing assembly for mounting a control shaft, for example a camshaft, may include: providing a bearing; arranging at least two rings on respective axial front sides of the bearing; pushing the bearing together with the at least two rings onto an assembly mandrel; pre-tensioning the at least two rings against the respective axial front sides of the bearing; at least one of (i) pushing a shrink hose over the bearing and the at least two rings and heating the shrink hose, and (ii) winding a film strip over the bearing and the at least two rings; and withdrawing the assembly mandrel.Type: GrantFiled: March 6, 2017Date of Patent: November 19, 2019Assignee: Mahle International GmbHInventors: Antonio Menonna, Roland Schacherer, Christoph Steinmetz, Christoph Unrath
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Publication number: 20180283240Abstract: A valve drive for an internal combustion engine may include a cam shaft including at least two cams rotationally attached thereto. The valve drive may also include a cam follower including a roller bolt including a rotatable roller arranged thereon. Additionally, the valve drive may include a lever device drivingly connected to the cam follower configured to adjust the cam follower between a first position and a second position. The valve drive may further include a rotatably supported control lever drivingly connected to the cam follower configured to adjust at least one valve of an internal combustion engine. The valve drive may include an actuator drivingly connected to the lever device configured to adjust the cam follower between the first position and the second position, the actuator may be connected to the cam follower in an articulated manner via the lever device.Type: ApplicationFiled: March 30, 2018Publication date: October 4, 2018Inventors: Juergen Rommel, Christoph Steinmetz
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Patent number: 10087787Abstract: An assembled camshaft and a method for producing an assembled camshaft are disclosed. The assembled camshaft may include a camshaft main body having a longitudinal axis. The camshaft main body may include a first axial section and a second axial section disposed between the first axial section and a third axial section. The second axial section may have an outer profile including a toothing extending in an axial direction. At least one sliding cam may be arranged on the second axial section. A drive wheel may be arranged on a free end of the first axial section, and a receiving element may be arranged on at least one of the first axial section and the third axial section.Type: GrantFiled: October 14, 2015Date of Patent: October 2, 2018Assignee: Mahle International GmbHInventors: Markus Leutert, Roland Schacherer, Christoph Steinmetz, Christoph Unrath
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Patent number: 9957847Abstract: A method for manufacturing a sliding tappet of a valve train of an internal combustion engine may include the steps of: providing a main body; applying a coating at least on a contact surface of the main body configured for contacting an associated cam. The coating may include tungsten carbide and cobalt, and the coating may be applied via high velocity oxygen fuel spraying. The method may further include the step of performing a surface finishing on the coating after the coating is applied.Type: GrantFiled: August 7, 2015Date of Patent: May 1, 2018Assignee: Mahle International GmbHInventors: Christoph Beerens, Gerhard Bucher, Justus Himstedt, Kurt Maier, Harald R. Mueller, Reinhard Rose, Christoph Steinmetz
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Patent number: 9957854Abstract: A valve for a valve device may include a valve stem, which in an axial direction relative to a valve stem axis merges into a valve disc projecting from the valve stem radially. A valve cap may be included composed of a metal. The valve cap may be attached to an axial end portion of the valve stem facing away from the valve disc. The valve cap may cover a face end of the valve stem facing away from the valve disc and may envelope the axial end portion of the valve stem at least partially.Type: GrantFiled: November 18, 2014Date of Patent: May 1, 2018Assignee: Mahle International GmbHInventors: Alexander Puck, Christoph Steinmetz
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Patent number: 9797278Abstract: An adjustable camshaft may include an inner shaft and an outer shaft arranged coaxially thereto. The camshaft may also include a camshaft adjuster having a stator connected to the outer shaft in a torque-proof manner, and a rotor connected to the inner shaft. The camshaft may further include an integral first connection contour provided at an end of the inner shaft, and an integral second connection contour complementary to the integral first connection contour and provided on the rotor. The connection contours may directly or indirectly enable an interlocking connection between the inner shaft and the rotor.Type: GrantFiled: March 25, 2015Date of Patent: October 24, 2017Assignee: Mahle International GmbHInventors: Thomas Flender, Alf Heydenblut, Michael Kreisig, Andre Maeder, Antonio Menonna, Juergen Rommel, Stefan Steichele, Christoph Steinmetz
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Publication number: 20170254360Abstract: A method for producing a bearing assembly for mounting a control shaft, for example a camshaft, may include: providing a bearing; arranging at least two rings on respective axial front sides of the bearing; pushing the bearing together with the at least two rings onto an assembly mandrel; pre-tensioning the at least two rings against the respective axial front sides of the bearing; at least one of (i) pushing a shrink hose over the bearing and the at least two rings and heating the shrink hose, and (ii) winding a film strip over the bearing and the at least two rings; and withdrawing the assembly mandrel.Type: ApplicationFiled: March 6, 2017Publication date: September 7, 2017Inventors: Antonio Menonna, Roland Schacherer, Christoph Steinmetz, Christoph Unrath
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Publication number: 20170107867Abstract: An adjustable camshaft may include an inner shaft and an outer shaft arranged coaxially thereto. The camshaft may also include a camshaft adjuster having a stator connected to the outer shaft in a torque-proof manner, and a rotor connected to the inner shaft. The camshaft may further include an integral first connection contour provided at an end of the inner shaft, and an integral second connection contour complementary to the integral first connection contour and provided on the rotor. The connection contours may directly or indirectly enable an interlocking connection between the inner shaft and the rotor.Type: ApplicationFiled: March 25, 2015Publication date: April 20, 2017Inventors: Thomas Flender, Alf Heydenblut, Michael Kreisig, Andre Maeder, Antonio Menonna, Juergen Rommel, Stefan Steichele, Christoph Steinmetz