Patents by Inventor Roland Bittner
Roland Bittner 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: 11323020Abstract: A circuit device has a power converter, which includes power semiconductor switches and a capacitor which is connected to a first and a second intermediate circuit conductor in an electrically conductive manner, and having a capacitor discharge device for the electrical discharging of the capacitor. The capacitor discharge device includes an actuation device, an electrical discharge resistor and a first semiconductor switch having a first and a second load current terminal, and having a control terminal. The first load current terminal of the first semiconductor switch is connected to the first intermediate circuit conductor via the discharge resistor, and the second load current terminal of the first semiconductor switch connects to the second intermediate circuit conductor.Type: GrantFiled: January 23, 2020Date of Patent: May 3, 2022Assignee: SEMIKRON ELEKTRONIK GMBH & CO. KGInventors: Roland Bittner, Jochen Kraus, Robin Koschinski, Sebastian Hettrich
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Patent number: 11259448Abstract: A power electronics system has a housing, a cooling device, a power semiconductor module and a capacitor device, wherein a cooling section of a capacitor connection device is in thermally conducting contact with a cooling surface of the cooling device.Type: GrantFiled: November 19, 2020Date of Patent: February 22, 2022Assignee: SEMIKRON ELEKTRONIK GmbH & Co. KGInventors: Roland Bittner, Sandro Bulovic, Johannes Klier
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Patent number: 10862356Abstract: A rotor for a reluctance machine includes conductor layers and insulation layers arranged in alternation in the axial direction. The conductor layers have magnetic-flux-conducting conductor regions and the insulation layers are electrically insulating. To improve weight and efficiency of a reluctance machine, the rotor is produced at least partially by additive manufacturing.Type: GrantFiled: March 31, 2017Date of Patent: December 8, 2020Assignee: SIEMENS AKTIENGESELLSCHAFTInventors: Roland Bittner, Markus Hösle
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Patent number: 10863623Abstract: A circuit configuration for controlling a power semiconductor device has a first circuit carrier and a second circuit carrier arranged parallel to and spaced apart from the first, and having a plastic molded body arranged in an intermediate space between the first and second circuit carrier, wherein the first circuit carrier has a first conductor track with a first contact point, which can be implemented in particular as a contact pad or as a contact receptacle, which is arranged on a main side of the first circuit carrier facing the plastic molded body, wherein the second circuit carrier has a second conductor track with a second contact point, which is arranged on a main side of the second circuit carrier facing the plastic molded body, wherein the plastic molded body has a first holder for a first component with a first and a second contact device, and wherein the first contact device is electrically conductively connected to the first contact point and the second contact device is electrically conductivelType: GrantFiled: March 27, 2019Date of Patent: December 8, 2020Assignee: SEMIKRON ELEKTRONIK GmbH & CO. KGInventors: Nicola Burani, Roland Bittner, Matthias Kujath, Peter Mauer
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Publication number: 20200259408Abstract: A circuit device has a power converter, which includes power semiconductor switches and a capacitor which is connected to a first and a second intermediate circuit conductor in an electrically conductive manner, and having a capacitor discharge device for the electrical discharging of the capacitor. The capacitor discharge device includes an actuation device, an electrical discharge resistor and a first semiconductor switch having a first and a second load current terminal, and having a control terminal. The first load current terminal of the first semiconductor switch is connected to the first intermediate circuit conductor via the discharge resistor, and the second load current terminal of the first semiconductor switch connects to the second intermediate circuit conductor.Type: ApplicationFiled: January 23, 2020Publication date: August 13, 2020Applicant: SEMIKRON ELEKTRONlK GMBH & CO.KGInventors: ROLAND BITTNER, Jochen Kraus, Robin Koschinski, Sebastian Hettrich
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Publication number: 20200014287Abstract: The invention relates to a method for producing a rotor (14) for a rotating electrical machine (10) in which at least one rotor winding (20) is introduced into a rotor laminated core (16) of the rotor (14) in an electrically insulated manner, wherein the rotor winding (20) is designed as an electrically insulated cage and/or as a damper loop at least partially by means of an additive production method in the rotor laminated core (16), wherein an electrical insulation layer (46) is formed at the same time as the rotor winding (20) is formed between an electrical conductor (22) of the rotor winding (20) and the rotor laminated core (16) and/or between adjacent conductors (22) of the rotor winding (20).Type: ApplicationFiled: September 25, 2017Publication date: January 9, 2020Applicant: Siemens AktiengesellschaftInventors: Roland Bittner, MARKUS HÖSLE
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Publication number: 20190335584Abstract: A circuit configuration for controlling a power semiconductor device has a first circuit carrier and a second circuit carrier arranged parallel to and spaced apart from the first, and having a plastic molded body arranged in an intermediate space between the first and second circuit carrier, wherein the first circuit carrier has a first conductor track with a first contact point, which can be implemented in particular as a contact pad or as a contact receptacle, which is arranged on a main side of the first circuit carrier facing the plastic molded body, wherein the second circuit carrier has a second conductor track with a second contact point, which is arranged on a main side of the second circuit carrier facing the plastic molded body, wherein the plastic molded body has a first holder for a first component with a first and a second contact device, and wherein the first contact device is electrically conductively connected to the first contact point and the second contact device is electrically conductivelType: ApplicationFiled: March 27, 2019Publication date: October 31, 2019Applicant: SEMIKRON ELEKTRONIK GMBH & CO. KGInventors: NICOLA BURANI, Roland BITTNER, Matthias KUJATH, Peter MAUER
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Publication number: 20190305616Abstract: A rotor for a reluctance machine includes conductor layers and insulation layers arranged in alternation in the axial direction. The conductor layers have magnetic-flux-conducting conductor regions and the insulation layers are electrically insulating. To improve weight and efficiency of a reluctance machine, the rotor is produced at least partially by additive manufacturing.Type: ApplicationFiled: March 31, 2017Publication date: October 3, 2019Applicant: Siemens AktiengesellschaftInventors: ROLAND BITTNER, MARKUS HÖSLE
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Patent number: 9907215Abstract: A power electronic subassembly having a housing and a capacitor arranged therein. The housing has an internally arranged cooling area, which is cooled by a cooling device integrated in the housing or an external cooling device. The capacitor has a contact device of a first polarity and a contact device of a second polarity and a capacitor busbar system. This capacitor busbar system comprises first and second sheet-like shaped metal bodies. The first metal body with the first contact device of the first polarity and the second metal body with the second contact device of the second polarity are electrically conductively connected. A first portion of the first metal body has a first subportion, which is arranged parallel to and at a distance from the cooling area, and a second subportion, which is in thermal contact with the cooling area, wherein the two subportions are connected by an intermediate portion.Type: GrantFiled: August 22, 2016Date of Patent: February 27, 2018Assignee: Semikron GmbH & Co., KGInventors: Klaus Backhaus, Roland Bittner, Marco Lederer, Rainer Popp
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Patent number: 9755477Abstract: The aim of the invention is to better compensate for specifiable forces on a magnetic mounting. This is achieved by a magnetic mounting device with a first magnet device (10), which is designed in an annular manner and which has a central axis, for retaining a shaft on the central axis in a rotatable manner by means of magnetic forces. The magnetic mounting device additionally has a second magnet device (12), which is independent of the first magnet device (10), for compensating for a specifiable force acting on the shaft. In this manner, the magnetic mounting device can compensate for the gravitational force or forces based on imbalances.Type: GrantFiled: February 19, 2013Date of Patent: September 5, 2017Assignee: SIEMENS AKTIENGESELLSCHAFTInventors: Roland Bittner, Markus Hösle, Hilmar Konrad
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Patent number: 9661740Abstract: An arrangement comprising a power semiconductor module, a capacitor, a DC-voltage busbar and a connection device. The module has two flat DC-voltage connection conductors each having a contact section. The DC-voltage connection conductors are arranged closely adjacent to one another on and close to the respective contact sections in the normal direction. The capacitor has two flat capacitor connection conductors each having a contact section. The DC-voltage busbar has two partial busbars each having a contact section. The connection device has a yoke with a die and a bearing. The respective contact sections of the DC-voltage connection conductors are clamped flat above one another between the die and the bearing. The contact sections, of the capacitor or the DC-voltage busbar, are arranged closely adjacent to one another on and close to the respective contact sections in the normal direction, and are thus force-fittingly and electrically conductively connected to one another.Type: GrantFiled: October 13, 2015Date of Patent: May 23, 2017Assignee: Semikron Elektronik GmbH & Co., KGInventors: Roland Bittner, Marco Lederer, Sven Teuber, Matthias Spang
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Patent number: 9653862Abstract: An arrangement having a DC-voltage busbar and a power component. The power component has two flat DC-voltage connection conductors, each with a contact section and arranged closely adjacent to one another. Each connection conductor has a clamping section beside the respective contact section in the direction of current flow. The busbar has two partial busbars, each with a contact section and arranged closely adjacent to one another. Each partial busbar has a clamping section beside the respective contact section in the direction of current flow. The contact section of at least one connection conductor is electrically connected to the contact section of the associated partial busbar by connecting the clamping sections of the connection conductor to the clamping section of the partial busbars in a flat and force-fitting manner above one another and the respective contact sections therefore lying directly flat on one another.Type: GrantFiled: April 11, 2016Date of Patent: May 16, 2017Assignee: Semikron Elektronik GmbH & Co., KGInventor: Roland Bittner
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Publication number: 20170055366Abstract: A power electronic subassembly having a housing and a capacitor arranged therein. The housing has an internally arranged cooling area, which is cooled by a cooling device integrated in the housing or an external cooling device. The capacitor has a contact device of a first polarity and a contact device of a second polarity and a capacitor busbar system. This capacitor busbar system comprises first and second sheet-like shaped metal bodies. The first metal body with the first contact device of the first polarity and the second metal body with the second contact device of the second polarity are electrically conductively connected. A first portion of the first metal body has a first subportion, which is arranged parallel to and at a distance from the cooling area, and a second subportion, which is in thermal contact with the cooling area, wherein the two subportions are connected by an intermediate portion.Type: ApplicationFiled: August 22, 2016Publication date: February 23, 2017Applicant: Semikron Elektronik GmbH & Co., KGInventors: Klaus BACKHAUS, Roland BITTNER, Marco LEDERER, Rainer POPP
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Publication number: 20170025806Abstract: An arrangement having a DC-voltage busbar and a power component. The power component has two flat DC-voltage connection conductors, each with a contact section and arranged closely adjacent to one another. Each connection conductor has a clamping section beside the respective contact section in the direction of current flow. The busbar has two partial busbars, each with a contact section and arranged closely adjacent to one another. Each partial busbar has a clamping section beside the respective contact section in the direction of current flow. The contact section of at least one connection conductor is electrically connected to the contact section of the associated partial busbar by connecting the clamping sections of the connection conductor to the clamping section of the partial busbars in a flat and force-fitting manner above one another and the respective contact sections therefore lying directly flat on one another.Type: ApplicationFiled: April 11, 2016Publication date: January 26, 2017Applicant: Semikron Elektronik GmbH & Co., KGInventor: Roland Bittner
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Publication number: 20160234926Abstract: An arrangement comprising a power semiconductor module, a capacitor, a DC-voltage busbar and a connection device. The module has two flat DC-voltage connection conductors each having a contact section. The DC-voltage connection conductors are arranged closely adjacent to one another on and close to the respective contact sections in the normal direction. The capacitor has two flat capacitor connection conductors each having a contact section. The DC-voltage busbar has two partial busbars each having a contact section. The connection device has a yoke with a die and a bearing. The respective contact sections of the DC-voltage connection conductors are clamped flat above one another between the die and the bearing. The contact sections, of the capacitor or the DC-voltage busbar, are arranged closely adjacent to one another on and close to the respective contact sections in the normal direction, and are thus force-fittingly and electrically conductively connected to one another.Type: ApplicationFiled: October 13, 2015Publication date: August 11, 2016Inventors: Roland BITTNER, Marco LEDERER, Sven TEUBER, Matthias SPANG
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Publication number: 20150048725Abstract: The aim of the invention is to better compensate for specifiable forces on a magnetic mounting. This is achieved by a magnetic mounting device with a first magnet device (10), which is designed in an annular manner and which has a central axis, for retaining a shaft on the central axis in a rotatable manner by means of magnetic forces. The magnetic mounting device additionally has a second magnet device (12), which is independent of the first magnet device (10), for compensating for a specifiable force acting on the shaft. In this manner, the magnetic mounting device can compensate for the gravitational force or forces based on imbalances.Type: ApplicationFiled: February 19, 2013Publication date: February 19, 2015Inventors: Roland Bittner, Markus Hösle, Hilmar Konrad
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Patent number: 8754698Abstract: A circuit for signal voltage transmission within a driver contains, on its primary side, a signal input for a first signal voltage, a current source for a current correlated with the first signal voltage, a connecting line for the current, the connecting line leading from the current source to the secondary side of the driver, and, on the secondary side, a current-voltage converter for converting the current into a second signal voltage correlated with the current, and a signal output for the second signal voltage. On the primary side, the first signal voltage is applied to the signal input, the current source generates a current correlated with the signal voltage, and the current passes to the secondary side via the connecting line. On the secondary side, the current-voltage converter converts the current into the second signal voltage and the second signal voltage is output at the signal output.Type: GrantFiled: March 2, 2009Date of Patent: June 17, 2014Assignee: Semikron Elektronik GmbH & Co. KGInventors: Roland Bittner, Rene Hopperdietzel, Alexander Suchan
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Patent number: 8116053Abstract: An isolating device for a power semiconductor comprising n power terminals for a power grid comprises n module terminals, n grid terminals, n connecting lines which connect the module terminals and grid terminals and have overcurrent fuses, and a tripping controller. The tripping controller includes a detector for detecting the rupture of an overcurrent fuse and a tripping unit for tripping an overcurrent fuse. A power module contains a power semiconductor and an isolating device. A system installation contains at least two power modules connected in parallel. In a method for operating an isolating device, at least one of the overcurrent fuses is tripped upon a predetermined tripping criterion being met.Type: GrantFiled: March 2, 2009Date of Patent: February 14, 2012Assignee: Semikron Elektronik GmbH & Co. KGInventors: Jair Do Nascimento, Roland Bittner
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Publication number: 20090225485Abstract: An isolating device for a power semiconductor comprising n power terminals for a power grid comprises n module terminals, n grid terminals, n connecting lines which connect the module terminals and grid terminals and have overcurrent fuses, and a tripping controller. The tripping controller includes a detector for detecting the rupture of an overcurrent fuse and a tripping unit for tripping an overcurrent fuse. A power module contains a power semiconductor and an isolating device. A system installation contains at least two power modules connected in parallel. In a method for operating an isolating device, at least one of the overcurrent fuses is tripped upon a predetermined tripping criterion being met.Type: ApplicationFiled: March 2, 2009Publication date: September 10, 2009Applicant: SEMIKRON Elektronik GmbH & Co.KGInventors: Jair Do NASCIMENTO, Roland Bittner
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Publication number: 20090224816Abstract: A circuit for signal voltage transmission within a driver contains, on its primary side, a signal input for a first signal voltage, a current source for a current correlated with the first signal voltage, a connecting line for the current, the connecting line leading from the current source to the secondary side of the driver, and, on the secondary side, a current-voltage converter for converting the current into a second signal voltage correlated with the current, and a signal output for the second signal voltage. On the primary side, the first signal voltage is applied to the signal input, the current source generates a current correlated with the signal voltage, and the current passes to the secondary side via the connecting line. On the secondary side, the current-voltage converter converts the current into the second signal voltage and the second signal voltage is output at the signal output.Type: ApplicationFiled: March 2, 2009Publication date: September 10, 2009Applicant: SEMIKRON Elektronik GimbH & Co. KGInventors: Roland Bittner, Rene Hopperdietzel, Alexander Suchan