Patents by Inventor Toufann Chaudhuri
Toufann Chaudhuri 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: 11865942Abstract: The invention concerns an electrical vehicle charging station for at least one electric vehicle in a network including at least a house, energy producers, and energy consumers.Type: GrantFiled: January 30, 2020Date of Patent: January 9, 2024Assignee: Eaton Intelligent Power LimitedInventors: Toufann Chaudhuri, Yann Cuenin, Martin Veenstra
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Patent number: 11456104Abstract: A transformer assembly with shrinkage compensation during drying or curing of the windings including: a core having two yokes and two legs, a winding provided about at least one of the two legs of the core, the winding being insulated by an insulating material, a metal profile per yoke, extending in parallel to the respective yoke and being mounted to it, and two pistons seated in the metal profiles, the pistons being movable along their axial direction which is parallel to the longitudinal axis of the at least one winding, wherein the at least two pistons exert a force on the at least one winding in an axial direction of the windings.Type: GrantFiled: March 11, 2019Date of Patent: September 27, 2022Assignee: Hitachi Energy Switzerland AGInventors: Georges Dormia, Lakhdar Gaoua, Lorenzo Dus, Toufann Chaudhuri, Yann Cuenin
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Publication number: 20220105820Abstract: The invention concerns an electrical vehicle charging station (6) for at least one electric vehicle (7) in a network comprising at least a house (1), energy producers (2, 3, 4, 7) and energy consumers (2, 5, 7).Type: ApplicationFiled: January 30, 2020Publication date: April 7, 2022Inventors: Toufann CHAUDHURI, Yann CUENIN, Martin VEENSTRA
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Patent number: 10629352Abstract: The invention relates to a traction transformer for railbound vehicles comprising: an insulating liquid filled enclosure, at least two windings contained in the enclosure, a transformer core, mounting means for mounting the transformer to the railbound vehicle, wherein the transformer core is arranged outside the enclosure, and wherein the mounting means are attached to the transformer core.Type: GrantFiled: March 13, 2017Date of Patent: April 21, 2020Assignee: ABB Schweiz AGInventors: Philippe Stefanutti, Stephane Isler, Toufann Chaudhuri, Blaise Thorens, Luc Grosjean
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Patent number: 10475565Abstract: A transformer which includes an enclosure with a first and second cover arranged at opposite ends of the enclosure, the enclosure having an enclosed volume filled with isolation material and including at least one channel which extends through the enclosure from the first cover to the second cover. The interior of each channel is separated from the enclosed volume, and the core is provided outside of the enclosed volume and comprises a leg and a yoke. The leg extends through the channel. The transformer further includes a coil inside the enclosed volume and being wound about the channel. The first and second cover each comprise an electrically insulating material and at least one electrically conductive component.Type: GrantFiled: August 1, 2017Date of Patent: November 12, 2019Assignee: ABB Schweiz AGInventors: Martin Veenstra, Stephane Isler, Toufann Chaudhuri, Blaise Thorens
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Publication number: 20190206607Abstract: A transformer assembly with shrinkage compensation during drying or curing of the windings including: a core having two yokes and two legs, a winding provided about at least one of the two legs of the core, the winding being insulated by an insulating material, a metal profile per yoke, extending in parallel to the respective yoke and being mounted to it, and two pistons seated in the metal profiles, the pistons being movable along their axial direction which is parallel to the longitudinal axis of the at least one winding, wherein the at least two pistons exert a force on the at least one winding in an axial direction of the windings.Type: ApplicationFiled: March 11, 2019Publication date: July 4, 2019Inventors: Georges Dormia, Lakhdar Gaoua, Lorenzo Dus, Toufann Chaudhuri, Yann Cuenin
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Publication number: 20180075963Abstract: A transformer is provided, which comprises an enclosure (10) with a first and second cover (12, 14) arranged at opposite ends of the enclosure (10), the enclosure having an enclosed volume (11) filled with isolation material (20) and comprising at least one channel (25, 26) which extends through the enclosure (10) from the first cover (12) to the second cover (14). The interior of each channel (25, 26) is separated from the enclosed volume (11), and the core (30) is provided outside of the enclosed volume (11) and comprises a leg (32, 34) and a yoke (40, 42). The leg (32, 34) extends through the channel (25, 26). The transformer (5) further comprises a coil (50, 52) inside the enclosed volume (11) and being wound about the channel (25, 26). The first and second cover (12, 14) each comprise an electrically insulating material (58) and at least one electrically conductive component (60).Type: ApplicationFiled: August 1, 2017Publication date: March 15, 2018Inventors: Martin Veenstra, Stephane Isler, Toufann Chaudhuri, Blaise Thorens
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Publication number: 20170186524Abstract: The invention relates to a traction transformer for railbound vehicles comprising: an insulating liquid filled enclosure, at least two windings contained in the enclosure, a transformer core, mounting means for mounting the transformer to the railbound vehicle, wherein the transformer core is arranged outside the enclosure, and wherein the mounting means are attached to the transformer core.Type: ApplicationFiled: March 13, 2017Publication date: June 29, 2017Inventors: Philippe Stefanutti, Stephane Isler, Toufann Chaudhuri, Blaise Thorens, Luc Grosjean
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Patent number: 8564990Abstract: A converter apparatus and method for operating the converter apparatus are provided for producing a plurality of output voltages or a plurality of output voltage potentials at corresponding outputs. The converter apparatus includes a plurality of setting units, which are each associated with one of a plurality of input voltage sources, Each of the setting units is configured to vary an input voltage which is produced by the associated input voltage source, and to provide an intermediate voltage. The converter apparatus also includes a plurality of selection elements to which intermediate voltage potentials are each applied. The intermediate voltage potentials are defined by the intermediate voltages. Each selection element is configured to select one of the intermediate voltage potentials for outputting as the respective output voltage potential.Type: GrantFiled: June 16, 2011Date of Patent: October 22, 2013Assignee: ABB Research LtdInventors: Christoph Häderli, Toufann Chaudhuri
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Patent number: 8559194Abstract: A converter circuit has a first resonant converter that is connected on the DC voltage side to a first energy storage circuit, and a transformer. A second resonant converter is connected on the AC voltage side to the secondary winding of the transformer and on the DC voltage side to a load converter, and a CLL resonant circuit is connected to the first resonant converter and to the primary winding of the transformer. The CLL resonant circuit has a resonant capacitance, a first resonant inductance and a second resonant inductance.Type: GrantFiled: April 26, 2011Date of Patent: October 15, 2013Assignee: ABB Research Ltd.Inventors: Antonio Coccia, Francisco Canales, Manfred Winkelnkemper, Marc Pellerin, Nicolas Hugo, Philippe Stefanutti, Toufann Chaudhuri
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Publication number: 20110298278Abstract: A converter apparatus and method for operating the converter apparatus are provided for producing a plurality of output voltages or a plurality of output voltage potentials at corresponding outputs. The converter apparatus includes a plurality of setting units, which are each associated with one of a plurality of input voltage sources, Each of the setting units is configured to vary an input voltage which is produced by the associated input voltage source, and to provide an intermediate voltage. The converter apparatus also includes a plurality of selection elements to which intermediate voltage potentials are each applied. The intermediate voltage potentials are defined by the intermediate voltages. Each selection element is configured to select one of the intermediate voltage potentials for outputting as the respective output voltage potential.Type: ApplicationFiled: June 16, 2011Publication date: December 8, 2011Applicant: ABB RESEARCH LTDInventors: Christoph H+e,uml A+ee DERLI, Toufann Chaudhuri
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Publication number: 20110222317Abstract: A converter circuit has a first resonant converter that is connected on the DC voltage side to a first energy storage circuit, and a transformer. A second resonant converter is connected on the AC voltage side to the secondary winding of the transformer and on the DC voltage side to a load converter, and a CLL resonant circuit is connected to the first resonant converter and to the primary winding of the transformer. The CLL resonant circuit has a resonant capacitance, a first resonant inductance and a second resonant inductance.Type: ApplicationFiled: April 26, 2011Publication date: September 15, 2011Applicant: ABB RESEARCH LTDInventors: Antonio Coccia, Francisco Canales, Manfred Winkelnkemper, Marc Pellerin, Nicolas Hugo, Philippe Stefanutti, Toufann Chaudhuri
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Patent number: 7817451Abstract: A switchgear cell having a group of connection is disclosed, with the group of connection having a first and a second controllable bidirectional power semiconductor switch and a capacitor.Type: GrantFiled: March 28, 2008Date of Patent: October 19, 2010Assignee: ABB Research LtdInventors: Peter Barbosa, Peter Steimer, Toufann Chaudhuri
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Patent number: 7755918Abstract: A converter circuit for switching a large number of switching voltage levels is specified, in which a first switching group is provided for each. Second switching groups are provided, each having a first, second, third, fourth, fifth and sixth drivable bidirectional power semiconductor switch and capacitor.Type: GrantFiled: April 10, 2009Date of Patent: July 13, 2010Assignee: ABB Research LtdInventors: Peter Barbosa, Peter Steimer, Toufann Chaudhuri
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Publication number: 20090231896Abstract: A converter circuit for switching a large number of switching voltage levels is specified, in which a first switching group is provided for each. Second switching groups are provided, each having a first, second, third, fourth, fifth and sixth drivable bidirectional power semiconductor switch and capacitor.Type: ApplicationFiled: April 10, 2009Publication date: September 17, 2009Applicant: ABB RESEARCH LTDInventors: Peter BARBOSA, Peter STEIMER, Toufann CHAUDHURI
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Publication number: 20080238214Abstract: A switchgear cell having a group of connection is disclosed, with the group of connection having a first and a second controllable bidirectional power semiconductor switch and a capacitor.Type: ApplicationFiled: March 28, 2008Publication date: October 2, 2008Applicant: ABB Research LtdInventors: Peter BARBOSA, Peter STEIMER, Toufann CHAUDHURI
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Patent number: D908614Type: GrantFiled: June 7, 2019Date of Patent: January 26, 2021Assignee: GREEN MOTION SAInventors: Toufann Chaudhuri, Yann Cuenin