Patents by Inventor Markus Todt
Markus Todt 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: 20240154382Abstract: A laser device with one or more active regions, such as quantum wells, gain/lighting media, or other devices, and one or more non-absorbing regions, may be formed by a first growth run (growing a first semiconductor layer), then performing selective, shallow-depth etching, and then a second growth run (growing a second semiconductor layer). The laser device may include a first portion, one or more active regions located on the first portion, and a second portion located on the active region(s). A third portion may be located on one or more ends of the first portion and on the second portion. The third portion may be formed during the second growth run, after the etching step. The non-absorbing region(s) may be formed by the third portion and the end(s) of the first portion. If desired, the non-absorbing region(s) may be produced without annealing or locally-induced quantum well intermixing.Type: ApplicationFiled: October 17, 2023Publication date: May 9, 2024Inventors: René TODT, Markus ROSCH, Evgeny ZIBIK, Susanne PAWLIK, Gustavo VILLARES
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Patent number: 10927722Abstract: A vane type cam phaser for an internal combustion engine, the vane type cam phaser including a stator and a rotor that is rotatable relative to the stator to adjust a phase angle of a camshaft; a spring element configured to align the rotor with the stator in an idle position; a spring adapter that is arranged between the spring element and the rotor and an axial fixing device that fixes the spring adapter at the rotor.Type: GrantFiled: February 5, 2020Date of Patent: February 23, 2021Assignee: ECO Holding 1 GmbHInventors: Rene Heym, Norbert Loesch, Markus Todt, Stefan Wanner
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Publication number: 20200256220Abstract: A vane type cam phaser for an internal combustion engine, the vane type cam phaser including a stator and a rotor that is rotatable relative to the stator to adjust a phase angle of a camshaft; a spring element configured to align the rotor with the stator in an idle position; a spring adapter that is arranged between the spring element and the rotor; and an axial fixing device that fixes the spring adapter at the rotor.Type: ApplicationFiled: February 5, 2020Publication date: August 13, 2020Inventors: Rene Heym, Norbert Loesch, Markus Todt, Stefan Wanner
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Patent number: 10487700Abstract: A cam phaser for a cam shaft arrangement including an inner cam shaft and an outer cam shaft arranged concentrical relative to the inner cam shaft, the cam phaser including at least one rotor; at least one stator; and at least one compensation element configured to compensate axial and/or radial and/or angular tolerances, wherein the stator is connectable torque proof at least indirectly through a drive gear with the outer cam shaft and the rotor is connectable torque proof with the inner cam shaft, wherein the drive gear is separate from the stator and attachable torque proof at the outer cam shaft, wherein the stator is rotatably supportable on the inner cam shaft, wherein plural compensation elements are provided which are arranged evenly distributed in a circumferential direction, wherein the compensation elements are configured torsion stiff in the circumferential direction and attached between the stator and the drive gear.Type: GrantFiled: February 24, 2018Date of Patent: November 26, 2019Assignee: ECO Holding 1 GmbHInventors: Andreas Berwinkl, Rene Heym, Markus Todt, Stephan Wanner
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Publication number: 20180274400Abstract: A cam phaser for a cam shaft arrangement including an inner cam shaft and an outer cam shaft arranged concentrical relative to the inner cam shaft, the cam phaser including at least one rotor; at least one stator; and at least one compensation element configured to compensate axial and/or radial and/or angular tolerances, wherein the stator is connectable torque proof at least indirectly through a drive gear with the outer cam shaft and the rotor is connectable torque proof with the inner cam shaft, wherein the drive gear is separate from the stator and attachable torque proof at the outer cam shaft, wherein the stator is rotatably supportable on the inner cam shaft, wherein plural compensation elements are provided which are arranged evenly distributed in a circumferential direction, wherein the compensation elements are configured torsion stiff in the circumferential direction and attached between the stator and the drive gear.Type: ApplicationFiled: February 24, 2018Publication date: September 27, 2018Inventors: Andreas Heilig Berwinkl, Rene Hentsch Heym, Markus Todt, Stephan Wanner
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Patent number: 8640662Abstract: A valve timing control apparatus for a combustion engine according to which a rotational member, such as a sprocket, is driven by said combustion engine, a rotor is mechanically coupled with a camshaft for controlling opening and closing of cylinder valves of said combustion engine, a first configuration is provided in which the rotor is locked to the rotational member; and a second configuration is provided in which the rotor is unlocked from said rotational member. In another aspect an operating method of said valve timing control apparatus for adjusting a valve timing of a combustion engine is provided. The apparatus controls a relative rotation between a camshaft and an output shaft, which can either be prevented or permitted.Type: GrantFiled: January 4, 2012Date of Patent: February 4, 2014Assignee: Hilite Germany GmbHInventors: Joe S. Cole, Jack D. Hutcheson, Kenneth Parker, Wes Gerszewski, Steve Nance, Daniel Viertler, Markus Todt, Holger Bergemann
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Patent number: 8505582Abstract: A hydraulic valve for oscillating-motor camshaft adjuster is provided. The valve has a bush and a hollow piston with a piston bottom. The piston is axially movable within the bush by means of an actuator against the force of a screw-type pressure spring. The actuator is applied to the piston bottom. A sleeve secured in the bush is disposed inside the hollow piston and can be displaced relative to the piston. The wall of this sleeve has at least one through-opening, which leads to at least one opening of the hollow piston, which opening can guide a supply pressure (P) applied inside the sleeve alternatively to two sets of pressure chambers of the oscillating-motor camshaft adjuster. The sleeve has a sleeve bottom that seals off the inside space of hollow piston.Type: GrantFiled: April 28, 2011Date of Patent: August 13, 2013Assignee: Hilite Germany GmbHInventors: Patrick Gautier, Marc Hohmann, Wolf-Dietmar Schulze, Andre Selke, Markus Todt
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Publication number: 20130000578Abstract: A valve timing control apparatus for a combustion engine according to which a rotational member, such as a sprocket, is driven by said combustion engine, a rotor is mechanically coupled with a camshaft for controlling opening and closing of cylinder valves of said combustion engine, a first configuration is provided in which the rotor is locked to the rotational member; and a second configuration is provided in which the rotor is unlocked from said rotational member. In another aspect an operating method of said valve timing control apparatus for adjusting a valve timing of a combustion engine is provided. The apparatus controls a relative rotation between a camshaft and an output shaft, which can either be prevented or permitted.Type: ApplicationFiled: January 4, 2012Publication date: January 3, 2013Applicant: HILITE GERMANY GMBHInventors: Joe S. Cole, Jack D. Hutcheson, Kenneth Parker, Wes Gerszewski, Steve Nance, Daniel Viertler, Markus Todt, Holger Bergemann
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Publication number: 20110266479Abstract: The invention relates to a hydraulic valve for oscillating-motor camshaft adjuster The valve has a bush and a hollow piston with a piston bottom. The piston is axially movable within the bush by means of an actuator against the force of a screw-type pressure spring. The actuator is applied to the piston bottom. A sleeve secured in the bush is disposed inside the hollow piston and can be displaced relative to the piston. The wall of this sleeve has at least one through-opening, which leads to at least one opening of the hollow piston, which opening can guide a supply pressure (P) applied inside the sleeve alternatively to two sets of pressure chambers of the oscillating-motor camshaft adjuster. The sleeve has a sleeve bottom that seals off the inside space of hollow piston.Type: ApplicationFiled: April 28, 2011Publication date: November 3, 2011Applicant: Hydraulik-Ring GmbHInventors: Patrick Gautier, Marc Hohmann, Wolf-Dietmar Schulze, Andre Selke, Markus Todt