Patents by Inventor Lee Empringham
Lee Empringham 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: 11923780Abstract: There is provided a method of generating a control strategy based on at least three switching states of a matrix converter. The at least three switching states are selected based on at least a predicted output current, associated with each switching state, and a desired output current. In particular, mathematical transformations of a desired output current as well as output currents associated with each of a plurality of switching states are used to identify appropriate switching states.Type: GrantFiled: October 5, 2022Date of Patent: March 5, 2024Assignee: ITT Manufacturing Enterprises LLCInventors: Manjusha Vijayagopal, César Armando Silva Jiménez, Lee Empringham, Liliana Vittoria De Lillo
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Patent number: 11855495Abstract: A motor assembly for driving a pump or rotary device features a power plane with a circular geometry to be mounted inside a space envelope having a similar circular geometry formed on an end-plate between an inner hub portion and a peripheral portion that extends circumferentially around the space envelope of the end-plate. The power plane is a multi-layer circuit board or assembly having: a power layer with higher temperature power modules for providing power to a motor, a control layer with lower temperature control electronics modules for controlling the power provided to the motor, and a thermal barrier and printed circuit board layer between the power layer and the control layer that provides electrical connection paths between the power modules of the power plane and the control electronics modules of the control layer, and also provides insulation between the power layer and the control layer.Type: GrantFiled: August 11, 2021Date of Patent: December 26, 2023Assignee: ITT Manufacturing Enterprises LLCInventors: Dean P. Williams, Mark A. Playford, Daniel J. Kernan, Lee Empringham, Liliana V. De Lillo, Christopher J. F. Tighe
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Patent number: 11824406Abstract: A motor assembly for driving a pump or rotary device features a power plane with a circular geometry to be mounted inside a space envelope having a similar circular geometry formed on an end-plate between an inner hub portion and a peripheral portion that extends circumferentially around the space envelope of the end-plate. The power plane is a multi-layer circuit board or assembly having: a power layer with higher temperature power modules for providing power to a motor, a control layer with lower temperature control electronics modules for controlling the power provided to the motor, and a thermal barrier and printed circuit board layer between the power layer and the control layer that provides electrical connection paths between the power modules of the power plane and the control electronics modules of the control layer, and also provides insulation between the power layer and the control layer.Type: GrantFiled: August 11, 2021Date of Patent: November 21, 2023Assignee: ITT Manufacturing Enterprises LLCInventors: Dean P. Williams, Mark A. Playford, Daniel J. Kernan, Lee Empringham, Liliana V. De Lillo, Christopher J. F. Tighe
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Patent number: 11777380Abstract: A motor assembly for driving a pump or rotary device features a power plane with a circular geometry to be mounted inside a space envelope having a similar circular geometry formed on an end-plate between an inner hub portion and a peripheral portion that extends circumferentially around the space envelope of the end-plate. The power plane is a multi-layer circuit board or assembly having: a power layer with higher temperature power modules for providing power to a motor, a control layer with lower temperature control electronics modules for controlling the power provided to the motor, and a thermal barrier and printed circuit board layer between the power layer and the control layer that provides electrical connection paths between the power modules of the power plane and the control electronics modules of the control layer, and also provides insulation between the power layer and the control layer.Type: GrantFiled: August 11, 2021Date of Patent: October 3, 2023Assignee: ITT Manufacturing Enterprises LLCInventors: Dean P. Williams, Mark A. Playford, Daniel J. Kernan, Lee Empringham, Liliana V. De Lillo, Christopher J. F. Tighe
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Patent number: 11777379Abstract: A motor assembly for driving a pump or rotary device features a power plane with a circular geometry to be mounted inside a space envelope having a similar circular geometry formed on an end-plate between an inner hub portion and a peripheral portion that extends circumferentially around the space envelope of the end-plate. The power plane is a multi-layer circuit board or assembly having: a power layer with higher temperature power modules for providing power to a motor, a control layer with lower temperature control electronics modules for controlling the power provided to the motor, and a thermal barrier and printed circuit board layer between the power layer and the control layer that provides electrical connection paths between the power modules of the power plane and the control electronics modules of the control layer, and also provides insulation between the power layer and the control layer.Type: GrantFiled: August 11, 2021Date of Patent: October 3, 2023Assignee: ITT Manufacturing Enterprises LLCInventors: Dean P. Williams, Mark A. Playford, Daniel J. Kernan, Lee Empringham, Liliana V. De Lillo, Christopher J. F. Tighe
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Publication number: 20230170815Abstract: There is provided a method of generating a control strategy based on at least three switching states of a matrix converter. The at least three switching states are selected based on at least a predicted output current, associated with each switching state, and a desired output current. In particular, mathematical transformations of a desired output current as well as output currents associated with each of a plurality of switching states are used to identify appropriate switching states.Type: ApplicationFiled: October 5, 2022Publication date: June 1, 2023Inventors: Manjusha VIJAYAGOPAL, César Armando SILVA JIMÉNEZ, Lee EMPRINGHAM, Liliana Vittoria DE LILLO
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Patent number: 11509231Abstract: There is provided a method of generating a control strategy based on at least three switching states of a matrix converter. The at least three switching states are selected based on at least a predicted output current, associated with each switching state, and a desired output current. In particular, mathematical transformations of a desired output current as well as output currents associated with each of a plurality of switching states are used to identify appropriate switching states.Type: GrantFiled: February 12, 2021Date of Patent: November 22, 2022Assignee: ITT Manufacturing Enterprises LLCInventors: Manjusha Vijayagopal, César Armando Silva Jiménez, Lee Empringham, Liliana Vittoria De Lillo
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Patent number: 11489418Abstract: A motor assembly for driving a pump or rotary device features a power plane with a circular geometry to be mounted inside a space envelope having a similar circular geometry formed on an end-plate between an inner hub portion and a peripheral portion that extends circumferentially around the space envelope of the end-plate. The power plane is a multi-layer circuit board or assembly having: a power layer with higher temperature power modules for providing power to a motor, a control layer with lower temperature control electronics modules for controlling the power provided to the motor, and a thermal barrier and printed circuit board layer between the power layer and the control layer that provides electrical connection paths between the power modules of the power plane and the control electronics modules of the control layer, and also provides insulation between the power layer and the control layer.Type: GrantFiled: October 23, 2020Date of Patent: November 1, 2022Assignee: ITT Manufacturing Enterprises LLCInventors: Dean P. Williams, Mark A. Playford, Daniel J. Kernan, Lee Empringham, Liliana V. De Lillo, Christopher J. F. Tighe
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Publication number: 20220302786Abstract: A resistor assembly for a motor drive circuit for an electric motor assembly can have a generally circular shape. The resistor assembly includes a resistor with input and output connectors and a pair of conductor elements extending from the input and output connectors. The pair of conductor elements extend adjacent each other along a curved serpentine path so the resistor has a generally circular outer perimeter and a generally circular inner perimeter. The curved serpentine path of the pair of conductor elements allows current to flow through the pair of conductor elements so that magnetic fields generated by the current flow through the pair of conductor elements cancel each other, thereby providing the resistor with low inductance.Type: ApplicationFiled: June 7, 2022Publication date: September 22, 2022Inventors: Dean P. Williams, Lee Empringham, Liliana Vittoria De Lillo
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Patent number: 11394264Abstract: A resistor assembly for a motor drive circuit for an electric motor assembly can have a generally circular shape. The resistor assembly includes a resistor with input and output connectors and a pair of conductor elements extending from the input and output connectors. The pair of conductor elements extend adjacent each other along a curved serpentine path so the resistor has a generally circular outer perimeter and a generally circular inner perimeter. The curved serpentine path of the pair of conductor elements allows current to flow through the pair of conductor elements so that magnetic fields generated by the current flow through the pair of conductor elements cancel each other, thereby providing the resistor with low inductance.Type: GrantFiled: January 21, 2020Date of Patent: July 19, 2022Assignee: ITT Manufacturing Enterprises LLCInventors: Dean P. Williams, Lee Empringham, Liliana Vittoria De Lillo
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Publication number: 20220021283Abstract: A motor assembly for driving a pump or rotary device features a power plane with a circular geometry to be mounted inside a space envelope having a similar circular geometry formed on an end-plate between an inner hub portion and a peripheral portion that extends circumferentially around the space envelope of the end-plate. The power plane is a multi-layer circuit board or assembly having: a power layer with higher temperature power modules for providing power to a motor, a control layer with lower temperature control electronics modules for controlling the power provided to the motor, and a thermal barrier and printed circuit board layer between the power layer and the control layer that provides electrical connection paths between the power modules of the power plane and the control electronics modules of the control layer, and also provides insulation between the power layer and the control layer.Type: ApplicationFiled: August 11, 2021Publication date: January 20, 2022Inventors: Dean P. Williams, Mark A. Playford, Daniel J. Kernan, Lee Empringham, Liliana V. De Lillo, Christopher J.F. Tighe
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Publication number: 20220021284Abstract: A motor assembly for driving a pump or rotary device features a power plane with a circular geometry to be mounted inside a space envelope having a similar circular geometry formed on an end-plate between an inner hub portion and a peripheral portion that extends circumferentially around the space envelope of the end-plate. The power plane is a multi-layer circuit board or assembly having: a power layer with higher temperature power modules for providing power to a motor, a control layer with lower temperature control electronics modules for controlling the power provided to the motor, and a thermal barrier and printed circuit board layer between the power layer and the control layer that provides electrical connection paths between the power modules of the power plane and the control electronics modules of the control layer, and also provides insulation between the power layer and the control layer.Type: ApplicationFiled: August 11, 2021Publication date: January 20, 2022Inventors: Dean P. Williams, Mark A. Playford, Daniel J. Kernan, Lee Empringham, Liliana V. De Lillo, Christopher J.F. Tighe
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Publication number: 20220014077Abstract: A motor assembly for driving a pump or rotary device features a power plane with a circular geometry to be mounted inside a space envelope having a similar circular geometry formed on an end-plate between an inner hub portion and a peripheral portion that extends circumferentially around the space envelope of the end-plate. The power plane is a multi-layer circuit board or assembly having: a power layer with higher temperature power modules for providing power to a motor, a control layer with lower temperature control electronics modules for controlling the power provided to the motor, and a thermal barrier and printed circuit board layer between the power layer and the control layer that provides electrical connection paths between the power modules of the power plane and the control electronics modules of the control layer, and also provides insulation between the power layer and the control layer.Type: ApplicationFiled: August 11, 2021Publication date: January 13, 2022Inventors: Dean P. Williams, Mark A. Playford, Daniel J. Kernan, Lee Empringham, Liliana V. De Lillo, Christopher J.F. Tighe
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Publication number: 20210376695Abstract: A motor assembly for driving a pump or rotary device features a power plane with a circular geometry to be mounted inside a space envelope having a similar circular geometry formed on an end-plate between an inner hub portion and a peripheral portion that extends circumferentially around the space envelope of the end-plate. The power plane is a multi-layer circuit board or assembly having: a power layer with higher temperature power modules for providing power to a motor, a control layer with lower temperature control electronics modules for controlling the power provided to the motor, and a thermal barrier and printed circuit board layer between the power layer and the control layer that provides electrical connection paths between the power modules of the power plane and the control electronics modules of the control layer, and also provides insulation between the power layer and the control layer.Type: ApplicationFiled: August 11, 2021Publication date: December 2, 2021Inventors: Dean P. Williams, Mark A. Playford, Daniel J. Kernan, Lee Empringham, Liliana V. De Lillo, Christopher J.F. Tighe
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Publication number: 20210273573Abstract: There is provided a method of generating a control strategy based on at least three switching states of a matrix converter. The at least three switching states are selected based on at least a predicted output current, associated with each switching state, and a desired output current. In particular, mathematical transformations of a desired output current as well as output currents associated with each of a plurality of switching states are used to identify appropriate switching states.Type: ApplicationFiled: February 12, 2021Publication date: September 2, 2021Inventors: Manjusha VIJAYAGOPAL, César Armando SILVA JIMÉNEZ, Lee EMPRINGHAM, Liliana Vittoria DE LILLO
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Publication number: 20210226498Abstract: A resistor assembly for a motor drive circuit for an electric motor assembly can have a generally circular shape. The resistor assembly includes a resistor with input and output connectors and a pair of conductor elements extending from the input and output connectors. The pair of conductor elements extend adjacent each other along a curved serpentine path so the resistor has a generally circular outer perimeter and a generally circular inner perimeter. The curved serpentine path of the pair of conductor elements allows current to flow through the pair of conductor elements so that magnetic fields generated by the current flow through the pair of conductor elements cancel each other, thereby providing the resistor with low inductance.Type: ApplicationFiled: January 21, 2020Publication date: July 22, 2021Inventors: Dean P. Williams, Lee Empringham, Liliana Vittoria De Lillo
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Publication number: 20210152060Abstract: A motor assembly for driving a pump or rotary device features a power plane with a circular geometry to be mounted inside a space envelope having a similar circular geometry formed on an end-plate between an inner hub portion and a peripheral portion that extends circumferentially around the space envelope of the end-plate. The power plane is a multi-layer circuit board or assembly having: a power layer with higher temperature power modules for providing power to a motor, a control layer with lower temperature control electronics modules for controlling the power provided to the motor, and a thermal barrier and printed circuit board layer between the power layer and the control layer that provides electrical connection paths between the power modules of the power plane and the control electronics modules of the control layer, and also provides insulation between the power layer and the control layer.Type: ApplicationFiled: October 23, 2020Publication date: May 20, 2021Inventors: Dean P. Williams, Mark A. Playford, Daniel J. Kernan, Lee Empringham, Liliana Vittoria De Lillo, Christopher J.F. Tighe
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Patent number: 10958183Abstract: There is provided a method of generating a control strategy based on at least three switching states of a matrix converter. The at least three switching states are selected based on at least a predicted output current, associated with each switching state, and a desired output current. In particular, mathematical transformations of a desired output current as well as output currents associated with each of a plurality of switching states are used to identify appropriate switching states.Type: GrantFiled: October 24, 2017Date of Patent: March 23, 2021Assignee: ITT Manufacturing Enterprises LLCInventors: Manjusha Vijayagopal, César Armando Silva Jiménez, Lee Empringham, Liliana Vittoria De Lillo
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Patent number: 10855146Abstract: A motor assembly for driving a pump or rotary device features a power plane with a circular geometry to be mounted inside a space envelope having a similar circular geometry formed on an end-plate between an inner hub portion and a peripheral portion that extends circumferentially around the space envelope of the end-plate. The power plane is a multi-layer circuit board or assembly having: a power layer with higher temperature power modules for providing power to a motor, a control layer with lower temperature control electronics modules for controlling the power provided to the motor, and a thermal barrier and printed circuit board layer between the power layer and the control layer that provides electrical connection paths between the power modules of the power plane and the control electronics modules of the control layer, and also provides insulation between the power layer and the control layer.Type: GrantFiled: March 13, 2017Date of Patent: December 1, 2020Assignee: ITT Manufacturing Enterprises LLCInventors: Dean P. Williams, Mark A. Playford, Daniel J. Kernan, Lee Empringham, Liliana V. De Lillo, Christopher J. F. Tighe
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Publication number: 20190348921Abstract: There is provided a method of generating a control strategy based on at least three switching states of a matrix converter. The at least three switching states are selected based on at least a predicted output current, associated with each switching state, and a desired output current. In particular, mathematical transformations of a desired output current as well as output currents associated with each of a plurality of switching states are used to identify appropriate switching states.Type: ApplicationFiled: October 24, 2017Publication date: November 14, 2019Inventors: Manjusha VIJAYAGOPAL, César Armando SILVA JIMÉNEZ, Lee EMPRINGHAM, Liliana Vittoria DE LILLO