Patents by Inventor Marco WECKERT
Marco WECKERT 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: 11846292Abstract: A method for determining the operating point of an electric motor-driven fan in a system that includes determining the operating point of a fan when a clear correlation between the speed, the performance, and the volumetric flow rate of the fan is not possible.Type: GrantFiled: February 26, 2019Date of Patent: December 19, 2023Assignee: ebm-papst Mulfingen GmbH & Co. KGInventors: Marvin Götzinger, Erik Reichert, Marco Weckert, Ralph Wystup
-
Patent number: 11831266Abstract: A system (1) has a control device (10) with central electronics (11) designed for connection and operation of differently coded electric motors (En), with different motor characteristics (Mn) and/or power classes (Ln), to a device connection (12) of the control device (10). The at least one electric motor (En) is selectable from a number (n) of electric motor (En), that can be connected as intended, has a coding element (Kn). The central electronics (11) have a coding capture device (2) to recognize, via coding element (n), the motor characteristics (Mn) and/or the power class (Ln) of the respective currently connected electric motor (En).Type: GrantFiled: April 21, 2020Date of Patent: November 28, 2023Assignee: ebm-papst Mulfingen GmbH & Co. KGInventors: Martin Bürkert, Steffen Kammleiter, Sebastian Schroth, Alex Schneider, Marco Weckert
-
Patent number: 11489809Abstract: A dynamically addressable master-slave system and a method for dynamically addressing slave units includes a master unit and a plurality of slave units, such that the slave units are interconnected with the master unit via a bus system. The respective network addresses of the slave units are assigned to the respective serial numbers of these slave units in a table in the master unit according to the position thereof in the system according to a determined order. Upon replacement of slave units, a list of serial numbers of the units to be replaced is transferred to the master unit in the sequence of the acquisition of the serial numbers, which master unit replaces these serial numbers in the table with the serial numbers of the replaced slave units transmitted to the master unit.Type: GrantFiled: July 25, 2018Date of Patent: November 1, 2022Assignee: ebm-papst Mulfingen GmbH & Co. KGInventors: Martin Bürkert, Helmut Lipp, Thomas Sauer, Günter Haas, Markus Humm, Marco Weckert
-
Patent number: 11456690Abstract: A pulse-controlled inverter with a variably controlled switching frequency for generating a sinusoidal alternating current for a motor. A control device is provided to control the switching frequency fswitch of the pulse-controlled inverter as a function of the speed n of the motor.Type: GrantFiled: February 10, 2021Date of Patent: September 27, 2022Assignee: ebm-papst Mulfingen GmbH & Co. KGInventor: Marco Weckert
-
Patent number: 11397018Abstract: The disclosure relates to an assembly composed of two or more electric drives, each of which is provided with a housing that is preferably closed all around; a transceiver or radio transmitter inside the housing of each electric drive is configured for wireless data communication with a master controller; for this purpose, a properly mounted transmission opening is provided in each housing in order for data to be transmitted and received through the transmission opening.Type: GrantFiled: June 13, 2018Date of Patent: July 26, 2022Assignee: ebm-papst Mulfingen GmbH & Co. KGInventors: Martin Bürkert, Helmut Lipp, Thomas Sauer, Günter Haas, Markus Humm, Marco Weckert
-
Publication number: 20220200510Abstract: A system (1) has a control device (10) with central electronics (11) designed for connection and operation of differently coded electric motors (En), with different motor characteristics (Mn) and/or power classes (Ln), to a device connection (12) of the control device (10). The at least one electric motor (En) is selectable from a number (n) of electric motor (En), that can be connected as intended, has a coding element (Kn). The central electronics (11) have a coding capture device (2) to recognize, via coding element (n), the motor characteristics (Mn) and/or the power class (Ln) of the respective currently connected electric motor (En).Type: ApplicationFiled: April 21, 2020Publication date: June 23, 2022Applicant: ebm-papst Mulfingen GmbH & Co. KGInventors: Martin BÜRKERT, Steffen KAMMLEITER, Sebastian SCHROTH, Alex SCHNEIDER, Marco WECKERT
-
Patent number: 11233468Abstract: The invention relates to a method for the closed-loop and open-loop control of two or more EC motors operated using a common converter, wherein for the purpose of setting the operating point of the EC motors, common open-loop or closed-loop control using at least one controller is provided, wherein a combination of at least two control options is provided and in this case a controlled variable regulates the voltage setting at the output of the converter such that the two or more EC motors follow an intended sequence of operating points in a stable manner.Type: GrantFiled: October 26, 2018Date of Patent: January 25, 2022Assignee: ebm-papst Mulfingen GmbH & Co. KGInventors: Thomas Kilian, Sebastian Schroth, Marco Weckert, Georg Wiedmann, Ralph Wystup
-
Publication number: 20210257952Abstract: A pulse-controlled inverter with a variably controlled switching frequency for generating a sinusoidal alternating current for a motor. A control device is provided to control the switching frequency fswitch of the pulse-controlled inverter as a function of the speed n of the motor.Type: ApplicationFiled: February 10, 2021Publication date: August 19, 2021Inventor: Marco WECKERT
-
Patent number: 11081942Abstract: An apparatus (1) for reducing bearing voltages in an electric machine (M) with a rotor (2) and a stator (3). A rotor-side and stator-side bearing outer ring (4r, 4s) and a respective bearing inner ring (4i) are provided between the rotor (2) and stator (3). A connection electronics system connect with the motor (M). A compensation arrangement (20) adjusts the potential (ULA-stator) of the bearing voltage at the bearing outer rings (4r, 4s) and the respectively corresponding bearing inner ring (4i) to an identical value. The compensation arrangement (20) comprises an impedance (ZKOMP), of at least one first impedance (ZKOMP, R) between the stator (3) and the rotor-side bearing outer ring (4r). The impedance (ZKOMP) has at least one impedance (ZKOMP. S) between the stator (3) and the stator-side bearing outer ring (4s).Type: GrantFiled: November 18, 2019Date of Patent: August 3, 2021Assignee: ebm-papst Mulfingen GmbH & Co. KGInventors: Sebastian Schroth, Marco Weckert, Manuel Walter
-
Publication number: 20210055013Abstract: The disclosure relates to an assembly composed of two or more electric drives, each of which is provided with a housing that is preferably closed all around; a transceiver or radio transmitter inside the housing of each electric drive is configured for wireless data communication with a master controller; for this purpose, a properly mounted transmission opening is provided in each housing in order for data to be transmitted and received through the transmission opening.Type: ApplicationFiled: June 13, 2018Publication date: February 25, 2021Inventors: Martin Bürkert, Helmut Lipp, Thomas Sauer, Günter Haas, Markus Humm, Marco Weckert
-
Publication number: 20200378392Abstract: A method for determining the operating point of an electric motor-driven fan in a system that includes determining the operating point of a fan when a clear correlation between the speed, the performance, and the volumetric flow rate of the fan is not possible.Type: ApplicationFiled: February 26, 2019Publication date: December 3, 2020Inventors: Marvin Götzinger, Erik Reichert, Marco Weckert, Ralph Wystup
-
Publication number: 20200252011Abstract: The invention relates to a method for the closed-loop and open-loop control of two or more EC motors operated using a common converter, wherein for the purpose of setting the operating point of the EC motors, common open-loop or closed-loop control using at least one controller is provided, wherein a combination of at least two control options is provided and in this case a controlled variable regulates the voltage setting at the output of the converter such that the two or more EC motors follow an intended sequence of operating points in a stable manner.Type: ApplicationFiled: October 26, 2018Publication date: August 6, 2020Applicant: ebm-papst Mulfingen GmbH & Co. KGInventors: Thomas KILIAN, Sebastian SCHROTH, Marco WECKERT, Georg WIEDMANN, Ralph WYSTUP
-
Publication number: 20200186493Abstract: A dynamically addressable master-slave system and a method for dynamically addressing slave units includes a master unit and a plurality of slave units, such that the slave units are interconnected with the master unit via a bus system. The respective network addresses of the slave units are assigned to the respective serial numbers of these slave units in a table in the master unit according to the position thereof in the system according to a determined order. Upon replacement of slave units, a list of serial numbers of the units to be replaced is transferred to the master unit in the sequence of the acquisition of the serial numbers, which master unit replaces these serial numbers in the table with the serial numbers of the replaced slave units transmitted to the master unit.Type: ApplicationFiled: July 25, 2018Publication date: June 11, 2020Inventors: Martin Bürkert, Helmut Lipp, Thomas Sauer, Günter Haas, Markus Humm, Marco Weckert
-
Patent number: 10615736Abstract: The present disclosure relates to an electronic circuit for detecting the current winding temperature of phase windings and/or other characteristics of an electronically commutated electric motor, which is connected, or can be connected, to a frequency converter, comprising one or more capacitive two-terminal networks with a temperature-dependent impedance, each network being arranged parallel to two winding terminals (u, v, w) of the phase windings, as well as a detector for detecting the current responses in the motor feeds on the basis of steep-flanked voltage changes at the output of the frequency converter.Type: GrantFiled: April 3, 2017Date of Patent: April 7, 2020Assignee: ebm-papst Mulfingen GmbH & Co. KGInventors: Fabian Schneider, Sebastian Schroth, Marco Weckert, Ralph Wystup
-
Publication number: 20200083785Abstract: An apparatus (1) for reducing bearing voltages in an electric machine (M) with a rotor (2) and a stator (3). A rotor-side and stator-side bearing outer ring (4r, 4s) and a respective bearing inner ring (4i) are provided between the rotor (2) and stator (3). A connection electronics system connect with the motor (M). A compensation arrangement (20) adjusts the potential (ULA-stator) of the bearing voltage at the bearing outer rings (4r, 4s) and the respectively corresponding bearing inner ring (4i) to an identical value. The compensation arrangement (20) comprises an impedance (ZKOMP), of at least one first impedance (ZKOMP, R) between the stator (3) and the rotor-side bearing outer ring (4r). The impedance (ZKOMP) has at least one impedance (ZKOMP. S) between the stator (3) and the stator-side bearing outer ring (4s).Type: ApplicationFiled: November 18, 2019Publication date: March 12, 2020Inventors: Sebastian Schroth, Marco WECKERT, Manuel WALTER
-
Patent number: 10284050Abstract: The present invention relates to an apparatus for reducing and/or avoiding harmful bearing currents in an electrical machine (M) such as preferably a three-phase EC motor (M), with a rotor (2) and a stator (3) which is constructed in an insulated manner, wherein at least one outer bearing ring (4a) and one inner bearing ring (4b) are provided between rotor (2) and stator (3), comprising connecting electronics (10) for connecting the motor (M), wherein the stator (3) is connected by means of an electrical connection (20) to a high-frequency electronics potential (11) which differs from the earth potential (UE) and is stable with respect to the latter at a potential tap (20a) of the connecting electronics (10).Type: GrantFiled: May 4, 2016Date of Patent: May 7, 2019Assignee: ebm-papst-Mulfingen GmbH & Co. KGInventors: Sebastian Schroth, Roland Oberst, Malte Pils, Marco Weckert
-
Publication number: 20190089291Abstract: The present disclosure relates to an electronic circuit for detecting the current winding temperature of phase windings and/or other characteristics of an electronically commutated electric motor, which is connected, or can be connected, to a frequency converter, comprising one or more capacitive two-terminal networks with a temperature-dependent impedance, each network being arranged parallel to two winding terminals (u, v, w) of the phase windings, as well as a detector for detecting the current responses in the motor feeds on the basis of steep-flanked voltage changes at the output of the frequency converter.Type: ApplicationFiled: April 3, 2017Publication date: March 21, 2019Applicant: ebm-papst Mulfingen GmbH & Co. KGInventors: Fabian SCHNEIDER, Sebastian SCHROTH, Marco WECKERT, Ralph WYSTUP
-
Publication number: 20180301953Abstract: The present invention relates to an apparatus for reducing and/or avoiding harmful bearing currents in an electrical machine (M) such as preferably a three-phase EC motor (M), with a rotor (2) and a stator (3) which is constructed in an insulated manner, wherein at least one outer bearing ring (4a) and one inner bearing ring (4b) are provided between rotor (2) and stator (3), comprising connecting electronics (10) for connecting the motor (M), wherein the stator (3) is connected by means of an electrical connection (20) to a high-frequency electronics potential (11) which differs from the earth potential (UE) and is stable with respect to the latter at a potential tap (20a) of the connecting electronics (10).Type: ApplicationFiled: May 4, 2016Publication date: October 18, 2018Applicant: ebm-papst Mulfingen GmbH & Co. KGInventors: Sebastian SCHROTH, Roland OBERST, Malte PILS, Marco WECKERT