Patents by Inventor Jeffrey B. Samstad
Jeffrey B. Samstad 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: 10873206Abstract: According to one aspect, embodiments of the invention provide a power system comprising an input power distribution circuit including a plurality of power connections, a first power supply coupled to a first power connection of the plurality of power connections, a scalable battery bank including at least a first battery module coupled to a second power connection of the plurality of power connections, the first battery module including a first battery and a first battery charger, the first battery charger and the first power supply being removable and interchangeable, and an output power distribution circuit coupled to the first power supply and the first battery and configured to provide output power derived from at least one of the first power supply and the first battery.Type: GrantFiled: May 30, 2017Date of Patent: December 22, 2020Assignee: SCHNEIDER ELECTRIC IT CORPORATIONInventors: James Walter Frey, Jeffrey B. Samstad
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Publication number: 20180351399Abstract: According to one aspect, embodiments of the invention provide a power system comprising an input power distribution circuit including a plurality of power connections, a first power supply coupled to a first power connection of the plurality of power connections, a scalable battery bank including at least a first battery module coupled to a second power connection of the plurality of power connections, the first battery module including a first battery and a first battery charger, the first battery charger and the first power supply being removable and interchangeable, and an output power distribution circuit coupled to the first power supply and the first battery and configured to provide output power derived from at least one of the first power supply and the first battery.Type: ApplicationFiled: May 30, 2017Publication date: December 6, 2018Inventors: James Walter Frey, Jeffrey B. Samstad
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Patent number: 8379359Abstract: An uninterruptible power supply (UPS) system includes an AC power input configured to receive AC power from a single-phase AC power source or a multi-phase AC power source, a DC power source, an output circuit including a power output, a controllable switch configured to selectively couple at least one of the AC power input and the DC power source to the output circuit, and a processor coupled and configured to affect operation of the output circuit depending upon which of single-phase and multi-phase operation of the UPS is indicated.Type: GrantFiled: March 12, 2012Date of Patent: February 19, 2013Assignee: Schneider Electric IT CorporationInventors: Damir Klikic, Mirza A. Beg, Mark R. Melanson, Edward Kotlyar, Jeffrey B. Samstad
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Publication number: 20120313438Abstract: An uninterruptible power supply (UPS) system includes an AC power input configured to receive AC power from a single-phase AC power source or a multi-phase AC power source, a DC power source, an output circuit including a power output, a controllable switch configured to selectively couple at least one of the AC power input and the DC power source to the output circuit, and a processor coupled and configured to affect operation of the output circuit depending upon which of single-phase and multi-phase operation of the UPS is indicated.Type: ApplicationFiled: March 12, 2012Publication date: December 13, 2012Applicant: AMERICAN POWER CONVERSION CORPORATIONInventors: Damir Klikic, Mirza A. Beg, Mark R. Melanson, Edward Kotlyar, Jeffrey B. Samstad
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Patent number: 8134811Abstract: An uninterruptible power supply (UPS) system includes an AC power input configured to receive AC power from a single-phase AC power source or a multi-phase AC power source, a DC power source, an output circuit including a power output, a controllable switch configured to selectively couple at least one of the AC power input and the DC power source to the output circuit, and a processor coupled and configured to affect operation of the output circuit depending upon which of single-phase and multi-phase operation of the UPS is indicated.Type: GrantFiled: October 29, 2010Date of Patent: March 13, 2012Assignee: American Power Conversion CorporationInventors: Damir Klikic, Mirza A. Beg, Mark R. Melanson, Edward Kotlyar, Jeffrey B. Samstad
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Patent number: 8004240Abstract: Systems and methods are provided for an uninterruptable power supply having a positive DC bus, a neutral DC bus, and a negative DC bus. The uninterruptible power supply includes a battery charger circuit having an inductor, a first charger output, and a second charger output. A first switch connected to a first end of the inductor is configured to couple the positive DC bus with the first charger output. A second switch connected to a second end of the inductor is configured to couple the negative DC bus with the inductor. The neutral DC bus can be coupled to the second charger output. The battery charger circuit can be configured to draw power from at least one of the positive DC bus and the negative DC bus to charge a battery coupled to the first charger output and the second charger output.Type: GrantFiled: November 11, 2010Date of Patent: August 23, 2011Assignee: American Power Conversion CorporationInventor: Jeffrey B. Samstad
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Publication number: 20110109271Abstract: Systems and methods are provided for an uninterruptable power supply having a positive DC bus, a neutral DC bus, and a negative DC bus. The uninterruptible power supply includes a battery charger circuit having an inductor, a first charger output, and a second charger output. A first switch connected to a first end of the inductor is configured to couple the positive DC bus with the first charger output. A second switch connected to a second end of the inductor is configured to couple the negative DC bus with the inductor. The neutral DC bus can be coupled to the second charger output. The battery charger circuit can be configured to draw power from at least one of the positive DC bus and the negative DC bus to charge a battery coupled to the first charger output and the second charger output.Type: ApplicationFiled: November 11, 2010Publication date: May 12, 2011Applicant: AMERICAN POWER CONVERSION CORPORATIONInventor: Jeffrey B. Samstad
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Publication number: 20110043042Abstract: An uninterruptible power supply (UPS) system includes an AC power input configured to receive AC power from a single-phase AC power source or a multi-phase AC power source, a DC power source, an output circuit including a power output, a controllable switch configured to selectively couple at least one of the AC power input and the DC power source to the output circuit, and a processor coupled and configured to affect operation of the output circuit depending upon which of single-phase and multi-phase operation of the UPS is indicated.Type: ApplicationFiled: October 29, 2010Publication date: February 24, 2011Applicant: AMERICAN POWER CONVERSION CORPORATIONInventors: DAMIR KLIKIC, MIRZA A. BEG, MARK R. MELANSON, EDWARD KOTLYAR, JEFFREY B. SAMSTAD
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Patent number: 7843676Abstract: An uninterruptible power supply (UPS) system includes an AC power input configured to receive AC power from a single-phase AC power source or a multi-phase AC power source, a DC power source, an output circuit including a power output, a controllable switch configured to selectively couple at least one of the AC power input and the DC power source to the output circuit, and a processor coupled and configured to affect operation of the output circuit depending upon which of single-phase and multi-phase operation of the UPS is indicated.Type: GrantFiled: March 11, 2009Date of Patent: November 30, 2010Assignee: American Power Conversion CorporationInventors: Damir Klikic, Mirza A. Beg, Mark R. Melanson, Edward Kotlyar, Jeffrey B. Samstad
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Patent number: 7834587Abstract: Systems and methods are provided for an uninterruptable power supply having a positive DC bus, a neutral DC bus, and a negative DC bus. The uninterruptible power supply includes a battery charger circuit having an inductor, a first charger output, and a second charger output. A first switch connected to a first end of the inductor is configured to couple the positive DC bus with the first charger output. A second switch connected to a second end of the inductor is configured to couple the negative DC bus with the inductor. The neutral DC bus can be coupled to the second charger output. The battery charger circuit can be configured to draw power from at to least one of the positive DC bus and the negative DC bus to charge a battery coupled to the first charger output and the second charger output.Type: GrantFiled: June 10, 2010Date of Patent: November 16, 2010Assignee: American Power Conversion CorporationInventor: Jeffrey B. Samstad
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Publication number: 20100270977Abstract: Systems and methods are provided for an uninterruptable power supply having a positive DC bus, a neutral DC bus, and a negative DC bus. The uninterruptible power supply includes a battery charger circuit having an inductor, a first charger output, and a second charger output. A first switch connected to a first end of the inductor is configured to couple the positive DC bus with the first charger output. A second switch connected to a second end of the inductor is configured to couple the negative DC bus with the inductor. The neutral DC bus can be coupled to the second charger output. The battery charger circuit can be configured to draw power from at to least one of the positive DC bus and the negative DC bus to charge a battery coupled to the first charger output and the second charger output.Type: ApplicationFiled: June 10, 2010Publication date: October 28, 2010Applicant: AMERICAN POWER CONVERSION CORPORATIONInventor: Jeffrey B. Samstad
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Patent number: 7759900Abstract: Systems and methods are provided for an uninterruptable power supply having a positive DC bus, a neutral DC bus, and a negative DC bus. The uninterruptible power supply includes a battery charger circuit having an inductor, a first charger output, and a second charger output. A first switch connected to a first end of the inductor is configured to couple the positive DC bus with the first charger output. A second switch connected to a second end of the inductor is configured to couple the negative DC bus with the inductor. The neutral DC bus can be coupled to the second charger output. The battery charger circuit can be configured to draw power from at least one of the positive DC bus and the negative DC bus to charge a battery coupled to the first charger output and the second charger output.Type: GrantFiled: April 2, 2008Date of Patent: July 20, 2010Assignee: American Power Conversion CorporationInventor: Jeffrey B. Samstad
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Publication number: 20090251106Abstract: Systems and methods are provided for an uninterruptable power supply having a positive DC bus, a neutral DC bus, and a negative DC bus. The uninterruptible power supply includes a battery charger circuit having an inductor, a first charger output, and a second charger output. A first switch connected to a first end of the inductor is configured to couple the positive DC bus with the first charger output. A second switch connected to a second end of the inductor is configured to couple the negative DC bus with the inductor. The neutral DC bus can be coupled to the second charger output. The battery charger circuit can be configured to draw power from at least one of the positive DC bus and the negative DC bus to charge a battery coupled to the first charger output and the second charger output.Type: ApplicationFiled: April 2, 2008Publication date: October 8, 2009Applicant: AMERICAN POWER CONVERSION CORPORATIONInventor: Jeffrey B. Samstad
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Publication number: 20090231892Abstract: An uninterruptible power supply (UPS) system includes an AC power input configured to receive AC power from a single-phase AC power source or a multi-phase AC power source, a DC power source, an output circuit including a power output, a controllable switch configured to selectively couple at least one of the AC power input and the DC power source to the output circuit, and a processor coupled and configured to affect operation of the output circuit depending upon which of single-phase and multi-phase operation of the UPS is indicated.Type: ApplicationFiled: March 11, 2009Publication date: September 17, 2009Applicant: AMERICAN POWER CONVERSION CORPORATIONInventors: DAMIR KLIKIC, MIRZA A. BEG, MARK R. MELANSON, EDWARD KOTLYAR, JEFFREY B. SAMSTAD
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Patent number: 7521823Abstract: An uninterruptible power supply (UPS) system includes an AC power input configured to receive AC power from a single-phase AC power source or a multi-phase AC power source, a DC power source, an output circuit including a power output, a controllable switch configured to selectively couple at least one of the AC power input and the DC power source to the output circuit, and a processor coupled and configured to affect operation of the output circuit depending upon which of single-phase and multi-phase operation of the UPS is indicated.Type: GrantFiled: July 17, 2007Date of Patent: April 21, 2009Assignee: American Power Conversion CorporationInventors: Damir Klikic, Mirza A. Beg, Mark R. Melanson, Edward Kotlyar, Jeffrey B. Samstad
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Patent number: 7259477Abstract: An uninterruptible power supply (UPS) system includes an AC power input configured to receive AC power from a single-phase AC power source or a multi-phase AC power source, a DC power source, an output circuit including a power output, a controllable switch configured to selectively couple at least one of the AC power input and the DC power source to the output circuit, and a processor coupled and configured to affect operation of the output circuit depending upon which of single-phase and multi-phase operation of the UPS is indicated.Type: GrantFiled: August 15, 2003Date of Patent: August 21, 2007Assignee: American Power Conversion CorporationInventors: Damir Klikic, Mirza A. Beg, Mark R. Melanson, Edward Kotlyar, Jeffrey B. Samstad