Patents by Inventor Markus Pfeifer
Markus Pfeifer 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: 20240120914Abstract: Various embodiments include a driver circuit for controlling a semiconductor switch. Some circuits include: a contact for connection to a control terminal of the semiconductor switch; and a device to carry out a measurement of a value dependent on the level of the current flowing through the semiconductor switch, in the course of a switch-off process of the semiconductor switch. The value is either the level of the gate current at a point in time or in a time window after the start of the switch-off process or a timespan from the start of the switch-off process until a definable threshold value of the voltage drop across the semiconductor switch is reached. Depending on the size of the value, the device activates a control measure to reduce the change over time in the current flowing through the semiconductor switch.Type: ApplicationFiled: November 24, 2021Publication date: April 11, 2024Applicant: Siemens AktiengesellschaftInventors: Matthias Neumeister, Markus Pfeifer
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Publication number: 20240096844Abstract: A semiconductor module includes a semiconductor element, a substrate, and a bond connector designed as a gate resistor, shunt, resistor in an RC filter or fuse. The bond connector includes a core made of a first metal material and a jacket which is designed to envelope the core and made from a second metal material that is different from the first metal material, with the first metal material having an electrical conductivity which is lower than an electrical conductivity of the second metal material. At least one of the semiconductor element and the substrate is connected to the bond connector.Type: ApplicationFiled: October 13, 2021Publication date: March 21, 2024Applicant: Siemens AktiengesellschaftInventors: PHILIPP KNEISSL, FELIX ZEYSS, MARKUS PFEIFER
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Publication number: 20240087871Abstract: A method of analysing a field of a mass spectrometer comprising a mass analyser and a static field mass filter having a first Wien filter and a second Wien filter is provided. The method includes, for each of a plurality of predetermined strengths of one of an electric field or a magnetic field of the first and second Wien filters: setting the one of the electric field or the magnetic field of the first and second Wien filters to the predetermined strength; causing a beam of ions comprising one or more ion species to be injected through the static field mass filter; and measuring, using the mass analyser, a respective intensity of ions of each of the one or more ion species in the beam.Type: ApplicationFiled: September 13, 2023Publication date: March 14, 2024Applicant: Thermo Fisher Scientific (Bremen) GmbHInventor: Markus Pfeifer
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Publication number: 20240087863Abstract: A method of tuning a static field mass filter of a mass spectrometer, the static field mass filter having a first Wien filter and a second Wien filter. The method comprises injecting a beam of ions into the static field mass filter, applying a magnetic and an electric field in the first and second Wien filters, adjusting a second lens of the filter.Type: ApplicationFiled: September 13, 2023Publication date: March 14, 2024Applicant: Thermo Fisher Scientific (Bremen) GmbHInventors: Henning Wehrs, Markus Pfeifer, Joachim Hinrichs, Grant Craig
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Publication number: 20240038621Abstract: Various embodiments of the teachings herein include an apparatus comprising: a component; a cooling element; and a connecting element arranged between the component and the cooling element to thermally couple the cooling element to the component. The connecting element comprises a porous connecting body including a metal material. Pores of the connecting body are at least in part filled with a filling material including a low-melting alloy or a fluorinated organic liquid.Type: ApplicationFiled: October 29, 2021Publication date: February 1, 2024Applicant: Siemens AktiengesellschaftInventors: Jörg Strogies, Matthias Heimann, Bernd Müller, Klaus Wilke, Markus Pfeifer
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Patent number: 11876440Abstract: A method for operating an electronic module which includes at least three semiconductor elements is disclosed. In the event of a defect of one of the semiconductor elements, by targeted control of at least two of the other semiconductor elements, a current is conducted via the defective semiconductor element in order to destroy or disconnect the defective semiconductor element or a weak point associated with the defective semiconductor element. This current is distributed to the semiconductor elements which are controlled in a targeted manner.Type: GrantFiled: June 25, 2021Date of Patent: January 16, 2024Assignee: Siemens AktiengesellschaftInventor: Markus Pfeifer
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Patent number: 11869705Abstract: A transformer for a DC-DC converter, such as a resonant converter, is provided. The converter includes a transformer unit that includes at least one winding with a first winding connection and a second winding connection, and a capacitor assembly consisting of at least one capacitor with a first capacitor assembly connection and a second capacitor assembly connection. The capacitor assembly is arranged so as to lie against the transformer unit in order to form an assembly. The capacitor assembly connections are connected to the winding connections via one or more first connection parts in a specified manner with respect to the electric connections. The capacitor assembly connections and/or the winding connections are electrically connected to multiple second connection parts in a specified manner with respect to the electric connections for connecting to a first power module and a second power module.Type: GrantFiled: March 16, 2017Date of Patent: January 9, 2024Assignee: Siemens AktiengesellschaftInventors: Marcel Lutze, Markus Pfeifer
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Patent number: 11865661Abstract: A device for loading and unloading and for operating a machine vise (10) of a machine tool (02), the device having a positioning device (13) mounted so as to be displaceable along a longitudinal direction (L), a coupling unit (14) movable together with the positioning device (13) being disposed at one end of the positioning device (13) in the longitudinal direction (L) for the detachable mechanical coupling to a machine vise (10) of the machine tool (02) and for the operation, in particular opening and closing, of the machine vise (10) and a workpiece handling unit (15), in particular a multiaxial robot unit, being disposed on the positioning device (13) behind the coupling unit (14) in the longitudinal direction (L) so as to be movable together with the positioning device (13).Type: GrantFiled: October 11, 2021Date of Patent: January 9, 2024Assignee: WST PRÄZISIONSTECHNIK GMBHInventors: Rudolf Martin, Markus Pfeifer
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Patent number: 11806464Abstract: A hand-held suction system includes: a hand-held suction device, a tube unit and a bag unit, wherein the tube unit has a suction tube and a tube connecting part, and wherein the bag unit has a collecting bag and a bag connecting part. The tube connecting part and the bag connecting part are designed to form a mechanical connection to one another in order to hold the bag unit by way of the tube unit. The tube connecting part is arranged in such a way on a circumference of the suction tube, in an upper half of the circumference in a circumferential direction, in a correct operating position of the suction system, and the suction system is designed in such a way that the bag unit held by the tube unit extends downwards in the circumferential direction along the suction tube, on the upper half of the circumference.Type: GrantFiled: March 4, 2021Date of Patent: November 7, 2023Assignee: Andreas Stihl AG & Co. KGInventors: Markus Pfeifer, Jonathan Seiz, Alexander Fuchs, Markus Oesterle
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Publication number: 20230246540Abstract: A method for operating an electronic module which includes at least three semiconductor elements is disclosed. In the event of a defect of one of the semiconductor elements, by targeted control of at least two of the other semiconductor elements, a current is conducted via the defective semiconductor element in order to destroy or disconnect the defective semiconductor element or a weak point associated with the defective semiconductor element. This current is distributed to the semiconductor elements which are controlled in a targeted manner.Type: ApplicationFiled: June 25, 2021Publication date: August 3, 2023Applicant: Siemens AktiengesellschaftInventor: MARKUS PFEIFER
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Patent number: 11626727Abstract: An energy supply network has a bus line with a line impedance for energy distribution. The energy supply network also includes a number of power-electronic converters having a respective commutation capacitor wherein the storage capacity thereof is selected in such a way that a controlling of the associated power-electronic converter is guaranteed during operation of the energy supply network and an excess of voltage is managed during a commutation. At least one energy accumulator is provided, which can be connected selectively to the bus line by controlling a switch device via a computer unit, wherein the storage capacity of the energy accumulator is substantially greater than the storage capacity of a respective commutation capacitor.Type: GrantFiled: February 12, 2020Date of Patent: April 11, 2023Assignee: Siemens Energy Global GmbH & Co. KGInventors: Karsten Handt, Sebastian Nielebock, Markus Pfeifer, Jens Weidauer
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Publication number: 20220123551Abstract: An energy supply network has a bus line with a line impedance for energy distribution. The energy supply network also includes a number of power-electronic converters having a respective commutation capacitor wherein the storage capacity thereof is selected in such a way that a controlling of the associated power-electronic converter is guaranteed during operation of the energy supply network and an excess of voltage is managed during a commutation. At least one energy accumulator is provided, which can be connected selectively to the bus line by controlling a switch device via a computer unit, wherein the storage capacity of the energy accumulator is substantially greater than the storage capacity of a respective commutation capacitor.Type: ApplicationFiled: February 12, 2020Publication date: April 21, 2022Applicant: Siemens Energy Global GmbH & Co. KGInventors: Karsten Handt, Sebastian Nielebock, Markus Pfeifer, Jens Weidauer
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Publication number: 20220118571Abstract: A device for loading and unloading and for operating a machine vise (10) of a machine tool (02), the device having a positioning device (13) mounted so as to be displaceable along a longitudinal direction (L), a coupling unit (14) movable together with the positioning device (13) being disposed at one end of the positioning device (13) in the longitudinal direction (L) for the detachable mechanical coupling to a machine vise (10) of the machine tool (02) and for the operation, in particular opening and closing, of the machine vise (10) and a workpiece handling unit (15), in particular a multiaxial robot unit, being disposed on the positioning device (13) behind the coupling unit (14) in the longitudinal direction (L) so as to be movable together with the positioning device (13).Type: ApplicationFiled: October 11, 2021Publication date: April 21, 2022Applicant: WST Präzisionstechnik GmbHInventors: Rudolf Martin, Markus Pfeifer
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Publication number: 20220102965Abstract: A method and switch module are for operating a load zone on a power grid. In an embodiment of the method, at least one load profile is captured and stored during setup operation of the load zone, documenting a temporal progression of a load zone current or voltage in a time window after closing of the current path. Based on the at least one load profile, a tolerance range for the temporal progression of at least one operating parameter of the load zone in the time window is defined. During normal operation of the load zone, the temporal progression of the at least one operating parameter in the time window after closing the current path is monitored and the load zone is disconnected from the power grid upon the temporal progression of an operating parameter in the time window, after closing the current path, being outside the tolerance range.Type: ApplicationFiled: May 7, 2019Publication date: March 31, 2022Applicant: Siemens AktiengesellschaftInventor: Markus PFEIFER
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Publication number: 20220018583Abstract: The present invention relates to an artificial snow-making facility (1) comprising—a snow-making device (2),—a fluidic water pipe (3) for supplying water to said snow-making device (2),—potentially, a fluidic air pipe (4) for supplying air to said snow-making device (2),—control means (5) for managing the operation of said snow-making device (2),—a power supply for supplying electricity to said control means (5). According to the invention, said power supply comprises a power generator (6) arranged on one of said fluidic pipes (4), said power generator (6) comprising a turbine (61) adapted to be driven by the fluid of said fluidic pipe (4).Type: ApplicationFiled: July 13, 2021Publication date: January 20, 2022Inventors: Eric DAVID, Maël VERVOITTE, Gaël LESAGE, Markus PFEIFER, Damien LANDREAU
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Patent number: 11223287Abstract: A resonant DC-DC converter includes an inverter circuit, a rectifier circuit and a transformer unit. The inverter circuit is connected to a first terminal of the transformer unit, and the rectifier circuit is connected to a second terminal of the transformer unit. The first and second terminals are galvanically isolated from one another by a first transformer. The transformer unit is configured to adapt a transformation ratio of the transformer unit. The transformer unit has an energy transmission path which includes an inverter and a second transformer, with an input of the energy transmission path being arranged parallel to a primary side of the first transformer and an output of the energy transmission path being arranged in series with the secondary side of the first transformer.Type: GrantFiled: August 22, 2018Date of Patent: January 11, 2022Assignee: SIEMENS AKTIENGESELLSCHAFTInventors: Martin Hergt, Marcel Lutze, Sebastian Nielebock, Markus Pfeifer, Markus Zocher
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Patent number: 11178958Abstract: A harness for a battery pack that can be worn on the back and that supplies electrical energy to hand-held electrical tools includes a support base and a support strap unit for the support base, as well as a holding device for releasably holding a battery pack in a support position on the support base. The holding device has a docking mechanism on the support base for pivotably docking the battery pack in a docking position, and a securing mechanism on the support base for securing the battery pack in the support position pivoted in towards the support base with respect to the docking position. The docking mechanism is arranged on a lower region of the support base.Type: GrantFiled: September 16, 2019Date of Patent: November 23, 2021Assignee: Andreas Stihl AG & Co. KGInventors: Alexander Nordmann, Markus Herrmann, Daniel Wagner, Markus Zeller, Joachim Kolb, Markus Pfeifer
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Publication number: 20210275731Abstract: A hand-held suction system includes: a hand-held suction device, a tube unit and a bag unit, wherein the tube unit has a suction tube and a tube connecting part, and wherein the bag unit has a collecting bag and a bag connecting part. The tube connecting part and the bag connecting part are designed to form a mechanical connection to one another in order to hold the bag unit by way of the tube unit. The tube connecting part is arranged in such a way on a circumference of the suction tube, in an upper half of the circumference in a circumferential direction, in a correct operating position of the suction system, and the suction system is designed in such a way that the bag unit held by the tube unit extends downwards in the circumferential direction along the suction tube, on the upper half of the circumference.Type: ApplicationFiled: March 4, 2021Publication date: September 9, 2021Inventors: Markus PFEIFER, Jonathan SEIZ, Alexander FUCHS, Markus OESTERLE
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Patent number: 11089859Abstract: A harness has a support base and a support strap unit for the support base, and a holding device for releasably holding a battery pack in a support position on the support base. The holding device has a docking mechanism on the support base for pivotably docking the battery pack in a docking position, and a securing mechanism for securing the battery pack in the support position pivoted in towards the support base with respect to the docking position. The docking mechanism is arranged on a lower region of the support base, and the securing mechanism has a securing slide which is arranged displaceably on the support base between a release position and a securing position and has a securing hook, or a securing lever which is arranged pivotably on the support base between a release position and a securing position and has a securing bow. The securing hook or securing bow is designed to engage securely behind a corresponding mating securing element of the battery pack in the support position.Type: GrantFiled: September 16, 2019Date of Patent: August 17, 2021Assignee: Andreas Stihl AG & Co. KGInventors: Alexander Nordmann, Markus Herrmann, Daniel Wagner, Markus Zeller, Joachim Kolb, Markus Pfeifer
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Patent number: 10813437Abstract: A carrying device for carrying a hand-guided power tool by a user has a shoulder strap and a lateral leg plate with a connecting unit for coupling a power tool to the carrying device. A support strap is connected with one end to the shoulder strap and the leg plate is slidably arranged at the support strap to slide along the support strap in a longitudinal direction thereof. A fixation device is arranged between support strap and leg plate and has a release position and a blocking position. In the release position, the leg plate is slidable along the support strap; in the blocking position, the leg plate is non-slidably secured on the support strap. The blocking position is correlated with a first working mode of the power tool; the release position is correlated with a second working mode of the power tool.Type: GrantFiled: September 15, 2018Date of Patent: October 27, 2020Assignee: Andreas Stihl AG & Co. KGInventors: Patrick Behringer, Markus Pfeifer, Timo Förg, Bastian Lepschy, Simon Haug, Martin Nitze