Patents Assigned to Bowman Power Group Limited
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Patent number: 12006861Abstract: An electric turbomachine for use with an internal combustion engine, a turbocharger or a fuel cell e-compressor includes a high-speed electrical machine located internally within a housing that is arranged to be rotationally driven by a shaft about a rotational axis; a compressor that is arranged to compress fluid within a turbo compressor when it is rotationally driven about the rotational axis by the shaft; a power electronics assembly that is arranged to supply power to the electrical machine; and a control assembly that is arranged to control the power supplied by the power electronics assembly to the electrical machine. The power electronics assembly is mounted externally on the housing on a first surface of the housing, and the control assembly is mounted externally on the housing on a second surface of the housing.Type: GrantFiled: December 18, 2020Date of Patent: June 11, 2024Assignee: Bowman Power Group LimitedInventors: Steve Wallington, Rob Fallon, Owen Creese-Smith, Keith Fry, Ivan Cordero-Orille, Mike Hartridge, Shinri Szymko, Paul Dowman-Tucker
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Patent number: 11867740Abstract: A method and apparatus for identifying a fault in an alternating current electrical grid is provided.Type: GrantFiled: December 19, 2019Date of Patent: January 9, 2024Assignee: Bowman Power Group LimitedInventor: Michela Mascherin
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Patent number: 11005389Abstract: A turbogenerator power electronics system for use with a turbogenerator is described, wherein the turbogenerator power electronics system comprises a plurality of power electronics subsystems connected in parallel, each power electronics subsystem comprising an inverter. In such a way, a modular, reconfigurable power electronics system with increased ability to operate during a fault is provided.Type: GrantFiled: March 29, 2018Date of Patent: May 11, 2021Assignee: Bowman Power Group LimitedInventors: Stephen Cusworth, Stuart O'Neill, Ivan Cordero-Orille, Shinri Szymko, Paul Dowman-Tucker
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Publication number: 20200173311Abstract: A system for recovering exhaust energy from fluid in an exhaust conduit of a reciprocating engine is described. There is an organic rankine cycle having a heat exchanger arranged to evaporate a working fluid of the organic rankine cycle passing through a low temperature side of the heat exchanger, in which the exhaust conduit is arranged in fluid communication with an inlet of a high temperature side of the heat exchanger for heat exchange of the fluid in the exhaust conduit downstream of the reciprocating engine to the working fluid of the organic rankine cycle. Also a turbine is arranged to receive the working fluid evaporation expansion and then a generator driven by the turbine is arranged to convert shaft power into electric power.Type: ApplicationFiled: May 31, 2017Publication date: June 4, 2020Applicants: Bowman Power Group Limited, Bowman Power Group LimitedInventor: Paul Dowman-Tucker
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Patent number: 10044304Abstract: An apparatus for controlling a turbogenerator system when a power electronics circuit of the turbogenerator system is unable to provide a sufficient load on the turbogenerator to prevent the turbogenerator from accelerating uncontrollably is described. The apparatus comprises a monitor including a first sensing device operable to detect a condition of the turbogenerator, and a brake controller responsive to a turbogenerator detection output from the first sensing device to issue a first brake control signal for operating a brake circuit to prevent the turbogenerator from accelerating uncontrollably and a second brake control signal for operating the brake circuit to permit resumption of normal operation of the turbogenerator.Type: GrantFiled: November 9, 2017Date of Patent: August 7, 2018Assignee: Bowman Power Group LimitedInventors: John Lyons, Stephen Cusworth, Jonathon McGuire, Shinri Szymko, Toby King
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Patent number: 9831811Abstract: An apparatus for controlling a turbogenerator system when a power electronics circuit of the turbogenerator system is unable to provide a sufficient load on the turbogenerator to prevent the turbogenerator from accelerating uncontrollably is described. The apparatus includes a monitor including a first sensing device operable to detect a condition of the turbogenerator, and a brake controller responsive to a turbogenerator detection output from the first sensing device to issue a first brake control signal for operating a brake circuit to prevent the turbogenerator from accelerating uncontrollably and a second brake control signal for operating the brake circuit to permit resumption of normal operation of the turbogenerator.Type: GrantFiled: December 18, 2013Date of Patent: November 28, 2017Assignee: Bowman Power Group LimitedInventors: John Lyons, Stephen Cusworth, Jonathon McGuire, Shinri Szymko, Toby King
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Patent number: 8364378Abstract: A method of operation of an electric turbocompounding system for a reciprocating engine comprises the steps of retrieving from the engine ECU data pertaining to engine condition, retrieving from a set of turbine efficiency data an optimum turbogenerator speed at the engine condition, setting a desired turbogenerator set speed based on the engine condition and on a speed at which turbine efficiency is deemed to be optimum, measuring an output voltage of the turbogenerator, comparing the measured voltage with a pre-determined voltage range and where the measured voltage falls outside of the pre-determined voltage range, adjusting the turbogenerator set speed to reduce or increase the output voltage to within the pre-determined voltage range.Type: GrantFiled: August 8, 2008Date of Patent: January 29, 2013Assignee: Bowman Power Group LimitedInventors: Tjerk Michiel De Graaff, Jonathon McGuire, Stephen Henry Hill, John Anthony Lyons