Patents by Inventor Carlo BOFFELLI
Carlo BOFFELLI 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: 20240006137Abstract: A circuit breaker includes first and second terminals, first and second interrupters, an interconnection part, an actuator, an operating rod, and a lever system. The first terminal is electrically connected to a fixed contact of the first vacuum interrupter. The second terminal is electrically connected to a fixed contact of the second vacuum interrupter. The interconnection part is configured to be in electrical connection with a movable contact of the first vacuum interrupter and the interconnection part is configured to be in electrical connection with a movable contact of the second vacuum interrupter. The interconnection part is configured to provide a current path between the movable contacts. In a transition from an open state to the closed state, the actuator is configured to move the operating rod to move the second end of the first non-linear lever arm and the second end of the second non-linear lever arm.Type: ApplicationFiled: June 30, 2023Publication date: January 4, 2024Applicant: ABB Schweiz AGInventors: Radek Javora, Dietmar Gentsch, Carlo Boffelli, Viktor Wormsbecher
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Patent number: 10867758Abstract: A switching device for low or medium voltage electric power distribution network, the switching device including one or more electric poles, each electric pole including: an insulating housing extending along a longitudinal axis and fixed to a main support structure of the switching device; a first pole terminal and a second pole terminal electrically connectable with a corresponding phase conductor of an electric power source and with a corresponding load conductor of an electric load, respectively; a movable contact and a fixed contact, which are electrically coupleable or decoupleable one with or from another upon a movement of the movable contact towards or away from the fixed contact, the fixed contact being electrically connected with the first pole terminal, the movable contact being electrically connectable with the second pole terminal; a movable circuit assembly including a plurality of semiconductor devices adapted to switch in a conduction state or in an interdiction state depending on the voltageType: GrantFiled: September 10, 2019Date of Patent: December 15, 2020Assignee: ABB Schweiz AGInventors: Andrea Bianco, Roberto Penzo, Carlo Boffelli
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Patent number: 10832881Abstract: A switching apparatus for medium voltage electric systems, the switching apparatus including one or more electric poles, each electrically coupleable with a corresponding electric line, the switching apparatus including: for each electric pole, a fixed contact and a corresponding movable contact, the movable contact being reversibly movable, along a corresponding translational displacement axis, between a decoupled position from the fixed contact and a coupled position with the fixed contact; an actuation assembly having, for each electric pole, an actuation shaft rotating about a rotation axis during a closing manoeuvre or an opening manoeuvre of the switching apparatus; for each electric pole, a motion transmission assembly including an eccentric mechanism operatively coupled with the actuation shaft.Type: GrantFiled: January 15, 2018Date of Patent: November 10, 2020Assignee: ABB Schweiz AGInventors: Carlo Boffelli, Lars E. Jonsson, Stefan Halén
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Patent number: 10658132Abstract: A switching device for low or medium voltage electric power distribution networks, the switching device including one or more electric poles and, for each electric pole: an insulating housing defining an internal volume of said electric pole; a first pole terminal and a second pole terminal electrically connectable with a corresponding electric phase conductor of an electric source and with a corresponding electric phase conductor of an electric load, respectively; a movable contact and a fixed contact, which are coupleable/decoupleable one to another, the fixed contact being electric connected with the first pole terminal, the movable contact being electrically connected with the second pole terminal; a stack of semiconductor devices adapted to switch in conduction state or in an interdiction state depending on the voltage provided thereto.Type: GrantFiled: September 10, 2019Date of Patent: May 19, 2020Assignee: ABB Schweiz AGInventors: Andrea Bianco, Roberto Penzo, Carlo Boffelli
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Patent number: 10614974Abstract: A switching device for low or medium voltage electric power distribution networks, the switching device comprising: at least an electric pole comprising a movable contact and a fixed contact, which are coupleable/decoupleable one to another; a circuit assembly, which comprises a chain of semiconductor devices adapted to switch in an ON state or in an OFF state depending on the voltage applied thereto, the semiconductor devices being electrically connected in series one to another in such a way that a current can flow according to a predefined conduction direction (CD) when the semiconductor devices are in an ON state. The circuit assembly comprises an input terminal, an output terminal and at least an intermediate terminal electrically connected with at least an intermediate electric node positioned between two subsequent semiconductor devices.Type: GrantFiled: June 16, 2016Date of Patent: April 7, 2020Assignee: ABB Schweiz AGInventors: Andrea Bianco, Carlo Boffelli, Paolo Faure Ragani, Roberto Penzo
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Publication number: 20200083000Abstract: A switching device for low or medium voltage electric power distribution networks, the switching device including one or more electric poles and, for each electric pole: an insulating housing defining an internal volume of said electric pole; a first pole terminal and a second pole terminal electrically connectable with a corresponding electric phase conductor of an electric source and with a corresponding electric phase conductor of an electric load, respectively; a movable contact and a fixed contact, which are coupleable/decoupleable one to another, the fixed contact being electric connected with the first pole terminal, the movable contact being electrically connected with the second pole terminal; a stack of semiconductor devices adapted to switch in conduction state or in an interdiction state depending on the voltage provided thereto.Type: ApplicationFiled: September 10, 2019Publication date: March 12, 2020Inventors: Andrea Bianco, Roberto Penzo, Carlo Boffelli
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Publication number: 20200083001Abstract: A switching device for low or medium voltage electric power distribution network, the switching device including one or more electric poles, each electric pole including: an insulating housing extending along a longitudinal axis and fixed to a main support structure of the switching device; a first pole terminal and a second pole terminal electrically connectable with a corresponding phase conductor of an electric power source and with a corresponding load conductor of an electric load, respectively; a movable contact and a fixed contact, which are electrically coupleable or decoupleable one with or from another upon a movement of the movable contact towards or away from the fixed contact, the fixed contact being electrically connected with the first pole terminal, the movable contact being electrically connectable with the second pole terminal; a movable circuit assembly including a plurality of semiconductor devices adapted to switch in a conduction state or in an interdiction state depending on the voltageType: ApplicationFiled: September 10, 2019Publication date: March 12, 2020Inventors: Andrea Bianco, Roberto Penzo, Carlo Boffelli
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Publication number: 20190371548Abstract: A switching apparatus for medium voltage electric systems, the switching apparatus including one or more electric poles, each electrically coupleable with a corresponding electric line, the switching apparatus including: for each electric pole, a fixed contact and a corresponding movable contact, the movable contact being reversibly movable, along a corresponding translational displacement axis, between a decoupled position from the fixed contact and a coupled position with the fixed contact; an actuation assembly having, for each electric pole, an actuation shaft rotating about a rotation axis during a closing manoeuvre or an opening manoeuvre of the switching apparatus; for each electric pole, a motion transmission assembly including an eccentric mechanism operatively coupled with the actuation shaft.Type: ApplicationFiled: January 15, 2018Publication date: December 5, 2019Inventors: Carlo Boffelli, Lars E. Jonsson, Stefan Halén
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Patent number: 9659722Abstract: An exemplary switching device connects and disconnects a power line to and from, respectively, at least an associated electrical load. The switching device includes at least one phase of the switching device having a housing that includes a movable contact configured to be coupled to and separated from a corresponding fixed contact, wherein the at least one phase of the switching device includes an electrically semiconducting assembly having an insulating support operatively associated with a plurality of semiconductor devices, wherein the plurality of semiconductor devices are connected in series and are electrically connected to said fixed contact and to said movable contact, and wherein the semiconducting assembly is configured to be installed into the housing to surround at least a portion of at least one of said fixed contact the movable contact when it is coupled to the fixed contact.Type: GrantFiled: June 2, 2015Date of Patent: May 23, 2017Assignee: ABB Schweiz AGInventors: Carlo Boffelli, Roberto Penzo
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Patent number: 9653241Abstract: A magnetic actuating device (1) for a current switching device (2) comprises: —a ferromagnetic stator (3) and a ferromagnetic armature (4) which is movable between a first end position (5), which is close to the ferromagnetic stator (3), and a second end position (6) which is spaced apart from the ferromagnetic stator (3), —a compression spring (7)configured for urging the ferromagnetic armature (4) to the second end position (6), —an electrical coil (8) energizable for electromagnetically attracting the ferromagnetic armature (4) to the first end position (5), and —a mechanical locking assembly (10) configured for releasably blocking the ferromagnetic armature (4) in the first end position (5).Type: GrantFiled: March 18, 2013Date of Patent: May 16, 2017Assignee: ABB SCHWEIZ AGInventors: Carlo Boffelli, Manuel Gotti, Michele Romeo Rizzi
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Publication number: 20160042886Abstract: An exemplary switching device connects and disconnects a power line to and from, respectively, at least an associated electrical load. The switching device includes at least one phase of the switching device having a housing that includes a movable contact configured to be coupled to and separated from a corresponding fixed contact, wherein the at least one phase of the switching device includes an electrically semiconducting assembly having an insulating support operatively associated with a plurality of semiconductor devices, wherein the plurality of semiconductor devices are connected in series and are electrically connected to said fixed contact and to said movable contact, and wherein the semiconducting assembly is configured to be installed into the housing to surround at least a portion of at least one of said fixed contact the movable contact when it is coupled to the fixed contact.Type: ApplicationFiled: June 2, 2015Publication date: February 11, 2016Applicant: ABB Technology AGInventors: Carlo BOFFELLI, Roberto PENZO
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Publication number: 20160012994Abstract: A magnetic actuating device (1) for a current switching device (2) comprises: -a ferromagnetic stator (3) and a ferromagnetic armature (4) which is movable between a first end position (5), which is close to the ferromagnetic stator (3), and a second end position (6) which is spaced apart from the ferromagnetic stator (3), —a compression spring (7) configured for urging the ferromagnetic armature (4) to the second end position (6), —an electrical coil (8) energizable for electromagnetically attracting the ferromagnetic armature (4) to the first end position (5), and—a mechanical locking assembly (10) configured for releasably blocking the ferromagnetic armature (4) in the first end position (5).Type: ApplicationFiled: March 18, 2013Publication date: January 14, 2016Inventors: Carlo Boffelli, Manuel Gotti, Michele Romeo Rizzi
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Patent number: D770502Type: GrantFiled: February 12, 2015Date of Patent: November 1, 2016Assignee: ABB Technology AGInventors: Carlo Boffelli, Luciano Chenet, Marco Riva, Roberto Penzo, Eric Bevilacqua
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Patent number: D777116Type: GrantFiled: February 12, 2015Date of Patent: January 24, 2017Assignee: ABB TECHNOLOGY AGInventors: Carlo Boffelli, Luciano Chenet, Marco Riva, Roberto Penzo, Eric Bevilacqua
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Patent number: D812018Type: GrantFiled: November 14, 2016Date of Patent: March 6, 2018Assignee: ABB TECHNOLOGY AGInventors: Carlo Boffelli, Luciano Chenet, Marco Riva, Roberto Penzo, Eric Bevilacqua
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Patent number: D837751Type: GrantFiled: January 24, 2018Date of Patent: January 8, 2019Assignee: ABB Schweiz AGInventors: Carlo Boffelli, Luciano Chenet, Marco Riva, Roberto Penzo, Eric Bevilacqua
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Patent number: D880435Type: GrantFiled: December 31, 2018Date of Patent: April 7, 2020Assignee: ABB Schweiz AGInventors: Carlo Boffelli, Andrea Bianco
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Patent number: D883232Type: GrantFiled: December 31, 2018Date of Patent: May 5, 2020Assignee: ABB Schweiz AGInventors: Carlo Boffelli, Andrea Bianco
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Patent number: D886069Type: GrantFiled: December 31, 2018Date of Patent: June 2, 2020Assignee: ABB Schweiz AGInventors: Carlo Boffelli, Andrea Bianco
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Patent number: D894847Type: GrantFiled: December 31, 2018Date of Patent: September 1, 2020Assignee: ABB Schweiz AGInventors: Carlo Boffelli, Andrea Bianco