Patents by Inventor Friedrich Loebner
Friedrich Loebner 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: 11587748Abstract: A high-voltage power switch, preferably with a dead tank design, contains: a switching unit that has a switching device and an actuation element that is axially movable in relation to a longitudinal axis of the switching device to actuate the switching device and a closing resistor unit that has a closing resistor arrangement and an adjusting element that is axially movable in relation to a longitudinal axis of this closing resistor arrangement to actuate the closing resistor arrangement. The actuation element is coupled to the adjusting element in order to move the latter. Accordingly, the longitudinal axis of the switching unit and the longitudinal axis of the closing resistor unit are spaced apart, and the actuation and adjusting elements are coupled by a coupling device of the high-voltage power switch.Type: GrantFiled: January 30, 2019Date of Patent: February 21, 2023Assignee: Siemens Energy Global GmbH & Co. KGInventors: Radu-Marian Cernat, Armin Grund, Johannes Kern, Friedrich Loebner, Andrzej Nowakowski, Frank Reichert, Jens Schimmelpfennig, Andre Singer, Wolfgang Soerries, Stefan Wilke
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Patent number: 11342136Abstract: A tensioning mechanism for tensioning a pre-loaded spring of a spring-loaded accumulator drive. The tensioning mechanism includes a tensioning wheel coupled to the pre-loaded spring, an intermediate shaft coupled to the tensioning wheel, an idler gear that can be driven by a clamping motor, a freewheel coupled to the idler gear, a locking mechanism for detachably locking the tensioning wheel in a tensioned state of the pre-loaded spring, and a dog clutch configured to couple the freewheel to the intermediate shaft in order to tension the pre-loaded spring and to uncouple same from the intermediate shaft in the tensioned state of the pre-loaded spring.Type: GrantFiled: August 23, 2018Date of Patent: May 24, 2022Assignee: Siemens Energy Global GmbH & Co. KGInventor: Friedrich Loebner
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Patent number: 11211206Abstract: A charging mechanism for charging a stored-energy spring of a stored-energy spring mechanism includes a charging gear coupled to the stored-energy spring, an intermediate shaft coupled to the charging gear, an idler gear that can be driven by a charging motor, a freewheel coupled to the idler gear, and a dog clutch that couples the freewheel to the intermediate shaft in order to charge the stored-energy spring and uncouples same from the intermediate shaft in the charged state of the stored-energy spring. The dog clutch has a first clutch block coupled to the intermediate shaft for conjoint rotation, and a second clutch block connected to the freewheel. The first clutch block can be displaced along an axis of rotation of the intermediate shaft between two end positions and, in an intermediate position between the end positions can be freely rotated only in a direction of rotation with respect to the second clutch block.Type: GrantFiled: November 22, 2018Date of Patent: December 28, 2021Assignee: Siemens Energy Global GmbH & Co. KGInventors: Lukas Binner, Friedrich Loebner
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Patent number: 11152162Abstract: A charging mechanism charges a stored-energy spring of a stored-energy spring mechanism. The charging mechanism contains a charging gear coupled to the stored-energy spring, an intermediate shaft coupled to the charging gear, an idler gear driven by a charging motor, a freewheel coupled to the idler gear, and a dog clutch that couples the freewheel to the intermediate shaft to charge the stored-energy spring and uncouples same from the intermediate shaft in the charged state. The dog clutch contains a first clutch block that is non-rotatably coupled to the intermediate shaft, a second clutch block connected to the freewheel, and a synchronizer ring arranged between the clutch blocks and is non-rotatably coupled to the first clutch block. During a rotation relative to the second clutch block, the synchronizer ring couples in a form-fitting manner to the second clutch block in a first direction of rotation about the axis of rotation.Type: GrantFiled: November 22, 2018Date of Patent: October 19, 2021Assignee: Siemens AktiengesellschaftInventors: Friedrich Loebner, Lukas Binner
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Tensioning gear mechanism for tensioning a stored-energy spring of a spring-type stored-energy drive
Patent number: 11094477Abstract: A charging mechanism charges a stored-energy spring of a stored-energy spring mechanism. The charging mechanism contains a charging gear coupled to the stored-energy spring, an intermediate shaft coupled to the charging gear, an idler gear, a freewheel coupled to the idler gear, a locking mechanism for releasably locking the charging gear in a charged state of the stored-energy spring, and a dog clutch that couples the freewheel to the intermediate shaft to charge the stored-energy spring and uncouples same from the intermediate shaft in the charged state of the stored-energy spring. The dog clutch contains a first clutch block that is non-rotatably coupled to the intermediate shaft, a second clutch block connected to the freewheel, and a synchronizer ring disposed between the clutch blocks and is non-rotatably coupled to the first clutch block, the synchronizer ring is pressed against the second clutch block when the dog clutch is closed.Type: GrantFiled: August 23, 2018Date of Patent: August 17, 2021Assignee: Siemens Energy Global GmbH & Co. KGInventors: Marian Bietz, Michael Bartz, Lukas Binner, Gunnar Lutzke, Friedrich Loebner -
Patent number: 11043343Abstract: An assembly and a method for damping contact bounce in high-voltage circuit breakers include a vacuum interrupter and a holder for the vacuum interrupter. The vacuum interrupter includes a housing, at least one movable contact piece and at least one fixed contact piece. At least one mass body is mechanically connected to the at least one fixed contact piece in order to effect damping of the contact bounce between the at least one fixed contact piece and the at least one movable contact piece during a switch-on operation of the high-voltage circuit breaker.Type: GrantFiled: September 10, 2018Date of Patent: June 22, 2021Assignee: Siemens AktiengesellschaftInventors: Volker Lehmann, Friedrich Loebner
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Publication number: 20210183598Abstract: A high-voltage power switch, preferably with a dead tank design, contains: a switching unit that has a switching device and an actuation element that is axially movable in relation to a longitudinal axis of the switching device to actuate the switching device and a closing resistor unit that has a closing resistor arrangement and an adjusting element that is axially movable in relation to a longitudinal axis of this closing resistor arrangement to actuate the closing resistor arrangement. The actuation element is coupled to the adjusting element in order to move the latter. Accordingly, the longitudinal axis of the switching unit and the longitudinal axis of the closing resistor unit are spaced apart, and the actuation and adjusting elements are coupled by a coupling device of the high-voltage power switch.Type: ApplicationFiled: January 30, 2019Publication date: June 17, 2021Inventors: Radu-Marian Cernat, Armin Grund, Johannes Kern, Friedrich Loebner, Andrzej Nowakowski, Frank Reichert, Jens Schimmelpfennig, Andre Singer, Wolfgang Soerries, Stefan Wilke
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Publication number: 20200328035Abstract: A charging mechanism for charging a stored-energy spring of a stored-energy spring mechanism includes a charging gear coupled to the stored-energy spring, an intermediate shaft coupled to the charging gear, an idler gear that can be driven by a charging motor, a freewheel coupled to the idler gear, and a dog clutch that couples the freewheel to the intermediate shaft in order to charge the stored-energy spring and uncouples same from the intermediate shaft in the charged state of the stored-energy spring. The dog clutch has a first clutch block coupled to the intermediate shaft for conjoint rotation, and a second clutch block connected to the freewheel. The first clutch block can be displaced along an axis of rotation of the intermediate shaft between two end positions and, in an intermediate position between the end positions can be freely rotated only in a direction of rotation with respect to the second clutch block.Type: ApplicationFiled: November 22, 2018Publication date: October 15, 2020Inventors: LUKAS BINNER, FRIEDRICH LOEBNER
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Publication number: 20200328034Abstract: A charging mechanism charges a stored-energy spring of a stored-energy spring mechanism. The charging mechanism contains a charging gear coupled to the stored-energy spring, an intermediate shaft coupled to the charging gear, an idler gear driven by a charging motor, a freewheel coupled to the idler gear, and a dog clutch that couples the freewheel to the intermediate shaft to charge the stored-energy spring and uncouples same from the intermediate shaft in the charged state. The dog clutch contains a first clutch block that is non-rotatably coupled to the intermediate shaft, a second clutch block connected to the freewheel, and a synchronizer ring arranged between the clutch blocks and is non-rotatably coupled to the first clutch block. During a rotation relative to the second clutch block, the synchronizer ring couples in a form-fitting manner to the second clutch block in a first direction of rotation about the axis of rotation.Type: ApplicationFiled: November 22, 2018Publication date: October 15, 2020Inventors: FRIEDRICH LOEBNER, LUKAS BINNER
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TENSIONING GEAR MECHANISM FOR TENSIONING A STORED-ENERGY SPRING OF A SPRING-TYPE STORED-ENERGY DRIVE
Publication number: 20200273638Abstract: A charging mechanism charges a stored-energy spring of a stored-energy spring mechanism. The charging mechanism contains a charging gear coupled to the stored-energy spring, an intermediate shaft coupled to the charging gear, an idler gear, a freewheel coupled to the idler gear, a locking mechanism for releasably locking the charging gear in a charged state of the stored-energy spring, and a dog clutch that couples the freewheel to the intermediate shaft to charge the stored-energy spring and uncouples same from the intermediate shaft in the charged state of the stored-energy spring. The dog clutch contains a first clutch block that is non-rotatably coupled to the intermediate shaft, a second clutch block connected to the freewheel, and a synchronizer ring disposed between the clutch blocks and is non-rotatably coupled to the first clutch block, the synchronizer ring is pressed against the second clutch block when the dog clutch is closed.Type: ApplicationFiled: August 23, 2018Publication date: August 27, 2020Inventors: MARIAN BIETZ, MICHAEL BARTZ, LUKAS BINNER, GUNNAR LUTZKE, FRIEDRICH LOEBNER -
Publication number: 20200266015Abstract: An assembly and a method for damping contact bounce in high-voltage circuit breakers include a vacuum interrupter and a holder for the vacuum interrupter. The vacuum interrupter includes a housing, at least one movable contact piece and at least one fixed contact piece. At least one mass body is mechanically connected to the at least one fixed contact piece in order to effect damping of the contact bounce between the at least one fixed contact piece and the at least one movable contact piece during a switch-on operation of the high-voltage circuit breaker.Type: ApplicationFiled: September 10, 2018Publication date: August 20, 2020Inventors: VOLKER LEHMANN, FRIEDRICH LOEBNER
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Publication number: 20200227213Abstract: A tensioning mechanism for tensioning a pre-loaded spring of a spring-loaded accumulator drive. The tensioning mechanism includes a tensioning wheel coupled to the pre-loaded spring, an intermediate shaft coupled to the tensioning wheel, an idler gear that can be driven by a clamping motor, a freewheel coupled to the idler gear, a locking mechanism for detachably locking the tensioning wheel in a tensioned state of the pre-loaded spring, and a dog clutch configured to couple the freewheel to the intermediate shaft in order to tension the pre-loaded spring and to uncouple same from the intermediate shaft in the tensioned state of the pre-loaded spring.Type: ApplicationFiled: August 23, 2018Publication date: July 16, 2020Inventor: FRIEDRICH LOEBNER
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Patent number: 10663047Abstract: A device includes a transmission assembly having a first override clutch. The first override clutch is used especially for transmitting a torque between a first coupling partner and a second coupling partner. The first override clutch engages and disengages in accordance with a change in the load flow between the coupling partners. A freewheeling member which is associated with the first override clutch neutralizes the engagement between the coupling partners. The neutralization is, in particular, temporary.Type: GrantFiled: October 26, 2015Date of Patent: May 26, 2020Assignee: Siemens AktiengesellschaftInventors: Michael Bartz, Oliver Duwe, Friedrich Loebner
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Publication number: 20170343089Abstract: A device includes a transmission assembly having a first override clutch. The first override clutch is used especially for transmitting a torque between a first coupling partner and a second coupling partner. The first override clutch engages and disengages in accordance with a change in the load flow between the coupling partners. A freewheeling member which is associated with the first override clutch neutralizes the engagement between the coupling partners. The neutralization is, in particular, temporary.Type: ApplicationFiled: October 26, 2015Publication date: November 30, 2017Inventors: MICHAEL BARTZ, OLIVER DUWE, FRIEDRICH LOEBNER
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Patent number: 9748059Abstract: A switching device arrangement has a first contact set and a second contact set. The first contact set includes a first electric arc contact element and a first nominal current contact element. The first nominal current contact element can be moved relative to the first electric arc contact element. A first transmission is introduced in a kinematic chain in order to generate a relative movement of the first nominal current contact element and the first electric arc contact element. The first transmission is operationally connected between a stationary counter bearing and the first electric arc contact piece.Type: GrantFiled: January 7, 2014Date of Patent: August 29, 2017Assignee: Siemens AktiengesellschaftInventors: Radu-Marian Cernat, Martin Krehnke, Volker Lehmann, Friedrich Loebner, Andrzej Nowakowski
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Patent number: 9741514Abstract: A switching arrangement has a first contact set and a second contact set which can be moved with respect to the first contact set, and an insulating nozzle arrangement. The insulating nozzle arrangement is supported on the first contact set which includes a first arcing contact piece. The first arcing contact piece can be moved with respect to the insulating nozzle arrangement.Type: GrantFiled: January 7, 2014Date of Patent: August 22, 2017Assignee: Siemens AktiengesellschaftInventors: Radu-Marian Cernat, Martin Krehnke, Volker Lehmann, Friedrich Loebner, Andrzej Nowakowski
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Patent number: 9666392Abstract: An electric switching device contains a first contact piece and a second contact piece. The first contact piece can be driven by a first kinematic chain. The second contact piece can be driven by a second kinematic chain. The electric switching device contains a first switching point and a second switching point, which are electrically connected in series, the first contact piece being associated with the first switching point and the second contact piece with the second switching point.Type: GrantFiled: May 2, 2014Date of Patent: May 30, 2017Assignee: Siemens AktiengesellschaftInventors: Robert Gruenler, Volker Lehmann, Friedrich Loebner, Andrzej Nowakowski
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Patent number: 9633806Abstract: A switching configuration includes a first switching contact set having a rated current contact piece and an arcing contact piece. The arcing contact piece and the rated current contact piece of the first switching contact set are movable relative to one another through a transmission mechanism. The arcing contact piece is supported by a support element on a contact carrier of the rated current contact piece. The transmission mechanism has a transmission mechanism chassis which is supported, particularly directly, on the contact carrier.Type: GrantFiled: June 19, 2013Date of Patent: April 25, 2017Assignee: SIEMENS AKTIENGESELLSCHAFTInventors: Martin Krehnke, Friedrich Loebner
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Patent number: 9484161Abstract: An electric switching device includes first and second switch contact pieces. The first switch contact piece has a guide portion. The first switch contact piece is connected to an actuating unit or drive device by a kinematic chain. The guide portion of the first switch contact piece is guided on a guide path. The guide portion and the guide path each have a contact or bearing surface and at least one of the contact or bearing surfaces is convexly curved.Type: GrantFiled: December 18, 2012Date of Patent: November 1, 2016Assignee: SIEMENS AKTIENGESELLSCHAFTInventors: Joachim Gericke, Robert Gruenler, Martin Krehnke, Volker Lehmann, Friedrich Loebner
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Patent number: 9460873Abstract: A switching device has a first contact side with a first nominal current contact piece and a first electric arc contact piece, and a second contact side with a second electric arc contact piece and a second nominal current contact piece. In order to generate a relative movement between the first and second contact sides, the first electric arc contact piece and the first nominal current contact piece as well as the second electric arc contact piece and the second nominal current contact piece are driven. For switching, the first contact piece is moved by a movement profile and the first nominal current contact piece is moved by a movement profile that differs from the movement profile of the first electric arc contact piece. A movement profile of the second electric arc contact piece and the second nominal current contact piece deviate from each other.Type: GrantFiled: January 7, 2014Date of Patent: October 4, 2016Assignee: Siemens AktiengesellschaftInventors: Radu-Marian Cernat, Martin Krehnke, Volker Lehmann, Friedrich Loebner, Andrzej Nowakowski