Patents by Inventor Michael Nielson
Michael Nielson 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: 9647292Abstract: A battery cell assembly having a cooling fin with a tube and a flexible thermally conductive sheet disposed on the tube is provided. The tube has first, second, and third tube portions. The sheet has first, second, and third sheet portions. The first and second sheet portions are disposed on at least the first and second tube portions, respectively, and the third sheet portion extends between the first and second tube portions. The assembly further includes a first clamping member clamping the first sheet portion to the first tube portion, and a second clamping member clamping the second sheet portion to the second tube portion. The assembly further includes a battery cell disposed against the third sheet portion.Type: GrantFiled: April 12, 2013Date of Patent: May 9, 2017Assignee: LG Chem, Ltd.Inventors: Robert Merriman, Satish Ketkar, Michael Nielson, Igor Isayev
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Patent number: 9461343Abstract: A battery cell assembly is provided. The battery cell assembly includes a cooling fin having a rectangular-shaped aluminum plate, a tube, and a flexible thermally conductive sheet. The plate has a first side and a second side. The tube is coupled to the first side of the plate and extends on at least first, second, and third peripheral edge portions of the plate. The flexible thermally conductive sheet is disposed on the first side of the plate. The battery cell assembly further includes a battery cell disposed against the flexible thermally conductive sheet of the cooling fin.Type: GrantFiled: September 17, 2014Date of Patent: October 4, 2016Assignee: LG Chem, Ltd.Inventors: Robert Merriman, Michael Nielson, Igor Isayev, Satish Ketkar
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Publication number: 20160072121Abstract: An electrochemical storage device comprises a plurality of layer electrodes each including a first charged sector and a second charged sector. The plurality of layer electrodes are assembled with respect to each other such that the first charged sector of a first plate of the plurality of layer electrodes is laid below the second charged sector of a second plate of the plurality of layer electrodes located immediately above the first plate. The charges of the first charged sectors of the first and second plates have a first sign and the charges of the second charged sectors of the first and second plates have a second sign that is opposite the first sign. The device also comprises a separator sector located, and enabling ionic charge exchange, between the first charged sector of the first plate and the second charged sector of the second plate.Type: ApplicationFiled: September 25, 2012Publication date: March 10, 2016Applicant: ENERGY POWER SYSTEMS LLCInventors: Subhash Dhar, William Koetting, Kwok Tom, Frank Martin, Jorge Espinel, Michael Nielson
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Patent number: 9263721Abstract: An electrochemical storage device comprises a plurality of layer electrodes each including a first charged sector and a second charged sector. The plurality of layer electrodes are assembled with respect to each other such that the first charged sector of a first plate of the plurality of layer electrodes is laid below the second charged sector of a second plate of the plurality of layer electrodes located immediately above the first plate. The charges of the first charged sectors of the first and second plates have a first sign and the charges of the second charged sectors of the first and second plates have a second sign that is opposite the first sign. The device also comprises a separator sector located, and enabling ionic charge exchange, between the first charged sector of the first plate and the second charged sector of the second plate.Type: GrantFiled: September 25, 2012Date of Patent: February 16, 2016Assignee: Energy Power Systems LLCInventors: Subhash Dhar, William Koetting, Kwok Tom, Frank Martin, Jorge Espinel, Michael Nielson
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Publication number: 20150303436Abstract: The present disclosure relates to a method of manufacturing a lead-acid battery, the method including: (i) extending a current collector from an end of a cell pack; and (ii) laser-welding a bus bar to the current collector.Type: ApplicationFiled: June 29, 2015Publication date: October 22, 2015Inventors: William Koetting, Kwak Tom, Art Holland, James Carlson, Michael Nielson, Fabio Albano, Subhash Dhar, Will Koederitz, Joshua Payne, Jorge Espinel, Jean-Paul Ortiz
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Patent number: 9105950Abstract: A battery system and a method for cooling the battery system are provided. The system includes an evaporative cooling member, and a battery module having a housing, a battery cell, and a solid cooling fin. The housing holds the battery cell therein. The solid cooling fin has first and second panel portions. The first panel portion is disposed against the battery cell. The second panel portion extends through the housing and is disposed on the evaporative cooling member. The solid cooling fin conducts heat energy from the battery cell to the evaporative cooling member. The evaporative cooling member receives a gaseous-liquid refrigerant and transitions the gaseous-liquid refrigerant into a gaseous refrigerant utilizing the heat energy received from the solid cooling fin.Type: GrantFiled: March 29, 2012Date of Patent: August 11, 2015Assignee: LG Chem, Ltd.Inventors: Thomas J. Gadawski, Satish Ketkar, Michael Nielson
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Patent number: 9083066Abstract: A battery system having first and second battery cells and a cooling fin disposed between the first and second battery cells is provided. The cooling fin receives heat energy from the first and second battery cells and transitions a two-phase refrigerant into a gaseous refrigerant within an internal flow path. The compressor pumps the gaseous refrigerant into a condenser. The condenser transitions the gaseous refrigerant into the liquid refrigerant by extracting heat energy from the gaseous refrigerant.Type: GrantFiled: November 27, 2012Date of Patent: July 14, 2015Assignee: LG Chem, Ltd.Inventors: Satish Ketkar, Robert Merriman, Michael Nielson, Igor Isayev
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Patent number: 9034129Abstract: An ultrasonic welding system and a method are provided. The system includes an ultrasonic welding device having an ultrasonic welding horn. The system further includes a controller generating control signals for inducing the welding device to form a first weld joint. The system further includes a power adjusting unit that induces the ultrasonic welding controller to increase a power level output by the ultrasonic welding controller to the ultrasonic welding device if a first displacement of the welding horn is less than the desired displacement during partial completion of forming the first weld joint, such that upon completion of the first weld joint an ending position of the ultrasonic welding horn is at a desired ending position.Type: GrantFiled: January 13, 2011Date of Patent: May 19, 2015Assignee: LG Chem, Ltd.Inventors: William Koetting, Alexander Khakhalev, Michael Nielson
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Publication number: 20150010807Abstract: An electrochemical storage device is disclosed. The device comprises a first electrochemical cell and a second electrochemical cell disposed in a common casing and each comprising an anode and a cathode. The anode of the first electrochemical cell is disposed opposite the cathode of the second electrochemical cell. The device further comprises a separator disposed between the anode of the first electrochemical cell and the cathode of the second electrochemical cell. The anode of the first electrochemical cell and the cathode of the second electrochemical cell are electrically insulated and in communication through an ionically conductive medium adsorbed in the separator. The device further comprises a common current collector disposed on the anode of the first electrochemical cell and the cathode of the second electrochemical cell. The first and second electrochemical cells are electrically connected and insulated from ionic conduction.Type: ApplicationFiled: July 9, 2014Publication date: January 8, 2015Inventors: Subhash DHAR, William KOETTING, Michael NIELSON, Kwok TOM, Jorge ESPINEL, Fabio ALBANO
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Publication number: 20150000134Abstract: A battery cell assembly is provided. The battery cell assembly includes a cooling fin having a rectangular-shaped aluminum plate, a tube, and a flexible thermally conductive sheet. The plate has a first side and a second side. The tube is coupled to the first side of the plate and extends on at least first, second, and third peripheral edge portions of the plate. The flexible thermally conductive sheet is disposed on the first side of the plate. The battery cell assembly further includes a battery cell disposed against the flexible thermally conductive sheet of the cooling fin.Type: ApplicationFiled: September 17, 2014Publication date: January 1, 2015Inventors: Robert Merriman, Michael Nielson, Igor Isayev, Satish Ketkar
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Publication number: 20140308558Abstract: A battery cell assembly having a cooling fin with a tube and a flexible thermally conductive sheet disposed on the tube is provided. The tube has first, second, and third tube portions. The sheet has first, second, and third sheet portions. The first and second sheet portions are disposed on at least the first and second tube portions, respectively, and the third sheet portion extends between the first and second tube portions. The assembly further includes a first clamping member clamping the first sheet portion to the first tube portion, and a second clamping member clamping the second sheet portion to the second tube portion. The assembly further includes a battery cell disposed against the third sheet portion.Type: ApplicationFiled: April 12, 2013Publication date: October 16, 2014Applicant: LG Chem, Ltd.Inventors: Robert Merriman, Satish Ketkar, Michael Nielson, Igor Isayev
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Patent number: 8852781Abstract: A battery cell assembly is provided. The battery cell assembly includes a cooling fin having a rectangular-shaped aluminum plate, a tube, and a flexible thermally conductive sheet. The plate has a first side and a second side. The tube is coupled to the first side of the plate and extends on at least first, second, and third peripheral edge portions of the plate. The flexible thermally conductive sheet is disposed on the first side of the plate. The battery cell assembly further includes a battery cell disposed against the flexible thermally conductive sheet of the cooling fin.Type: GrantFiled: May 19, 2012Date of Patent: October 7, 2014Assignee: LG Chem, Ltd.Inventors: Robert Merriman, Michael Nielson, Igor Isayev, Satish Ketkar
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Patent number: 8808914Abstract: An electrochemical storage device comprises a plurality of layer electrodes, wherein each layer electrode includes a first charged sector and a second charged sector, wherein the second charged sector is charged oppositely compared to the first charged sector, and wherein the plurality of layer electrodes are assembled with respect to each other such that the first charged sector of a first plate of the plurality of layer electrodes is laid below the second charged sector of a second plate of the plurality of layer electrodes located immediately above the first plate, wherein the charges of the first charged sectors of the first and second plates have a first sign and the charges of the second charged sectors of the first and second plates have a second sign that is opposite the first sign; a separator sector located, and enabling ionic charge exchange between the first charged sector of the first plate and the second charged sector of the second plate.Type: GrantFiled: February 14, 2013Date of Patent: August 19, 2014Assignee: Energy Power Systems, LLCInventors: Subhash Dhar, William Koetting, Michael Nielson, Kwok Tom, Jorge Espinel, Fabio Albano
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Publication number: 20140147709Abstract: A battery system having first and second battery cells and a cooling fin disposed between the first and second battery cells is provided. The cooling fin receives heat energy from the first and second battery cells and transitions a two-phase refrigerant into a gaseous refrigerant within an internal flow path. The compressor pumps the gaseous refrigerant into a condenser. The condenser transitions the gaseous refrigerant into the liquid refrigerant by extracting heat energy from the gaseous refrigerant.Type: ApplicationFiled: November 27, 2012Publication date: May 29, 2014Inventors: Satish Ketkar, Robert Merriman, Michael Nielson, Igor Isayev
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Publication number: 20140120390Abstract: A battery cell assembly is provided. The assembly includes a cooling fin having a tube and a flexible thermally conductive sheet disposed on the tube. The tube has first, second, and third tube portions. The first and second tube portions are substantially perpendicular to one another. The third tube portion is substantially perpendicular to the first and second tube portions and extends between the first and second tube portions. The sheet is coupled to at least the first and second tube portions and has a first sheet portion extending between the first and second tube portions. The assembly further includes a battery cell disposed against the first sheet portion of the sheet of the cooling fin.Type: ApplicationFiled: October 31, 2012Publication date: May 1, 2014Applicant: LG CHEM, LTD.Inventors: Robert Merriman, Michael Nielson, Igor Isayev, Satish Ketkar
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Publication number: 20140113177Abstract: A lead-acid battery is disclosed, wherein the battery comprises battery modules connected in series, a sealed container, a positive terminal, and a negative terminal. A battery module, in turn, comprises one or more cell assemblies electrically connected in parallel. Next in the hierarchical design, each cell assembly comprises a plurality of electrochemical cells connected in series. Finally, each electrochemical cell comprises a cathode and an anode ionically connected via a separator. In some embodiments, the plurality of modules are disposed within a common cavity in fluid communication via a common fluid. In some embodiments, each battery module has an electric potential of approximately 12 V. In some embodiments, the battery comprises four battery modules and provides a minimum electric potential of approximately 48V.Type: ApplicationFiled: December 31, 2013Publication date: April 24, 2014Applicant: Energy Power Systems, LLCInventors: Subhash DHAR, William KOETTING, Michael NIELSON, Kwok TOM, Josh PAYNE
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Publication number: 20140087237Abstract: An electrochemical storage device comprises a plurality of layer electrodes each including a first charged sector and a second charged sector. The plurality of layer electrodes are assembled with respect to each other such that the first charged sector of a first plate of the plurality of layer electrodes is laid below the second charged sector of a second plate of the plurality of layer electrodes located immediately above the first plate. The charges of the first charged sectors of the first and second plates have a first sign and the charges of the second charged sectors of the first and second plates have a second sign that is opposite the first sign. The device also comprises a separator sector located, and enabling ionic charge exchange, between the first charged sector of the first plate and the second charged sector of the second plate.Type: ApplicationFiled: September 25, 2012Publication date: March 27, 2014Applicant: ENERGY POWER SYSTEMS LLCInventors: Subhash Dhar, William Koetting, Kwok Tom, Frank Martin, Jorge Espinel, Michael Nielson
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Publication number: 20130309542Abstract: A battery cell assembly is provided. The battery cell assembly includes a cooling fin having a rectangular-shaped aluminum plate, a tube, and a flexible thermally conductive sheet. The plate has a first side and a second side. The tube is coupled to the first side of the plate and extends on at least first, second, and third peripheral edge portions of the plate. The flexible thermally conductive sheet is disposed on the first side of the plate. The battery cell assembly further includes a battery cell disposed against the flexible thermally conductive sheet of the cooling fin.Type: ApplicationFiled: May 19, 2012Publication date: November 21, 2013Applicant: LG Chem, Ltd.Inventors: Robert Merriman, Michael Nielson, Igor Isayev, Satish Ketkar
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Publication number: 20130255293Abstract: A battery system and a method for cooling the battery system are provided. The system includes an evaporative cooling member, and a battery module having a housing, a battery cell, and a solid cooling fin. The housing holds the battery cell therein. The solid cooling fin has first and second panel portions. The first panel portion is disposed against the battery cell. The second panel portion extends through the housing and is disposed on the evaporative cooling member. The solid cooling fin conducts heat energy from the battery cell to the evaporative cooling member. The evaporative cooling member receives a gaseous-liquid refrigerant and transitions the gaseous-liquid refrigerant into a gaseous refrigerant utilizing the heat energy received from the solid cooling fin.Type: ApplicationFiled: March 29, 2012Publication date: October 3, 2013Applicant: LG CHEM, LTD.Inventors: Thomas J. Gadawski, Satish Ketkar, Michael Nielson
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Publication number: 20120180929Abstract: An ultrasonic welding system and a method are provided. The system includes an ultrasonic welding device having an ultrasonic welding horn. The system further includes a controller generating control signals for inducing the welding device to form a first weld joint. The system further includes a power adjusting unit that induces the ultrasonic welding controller to increase a power level output by the ultrasonic welding controller to the ultrasonic welding device if a first displacement of the welding horn is less than the desired displacement during partial completion of forming the first weld joint, such that upon completion of the first weld joint an ending position of the ultrasonic welding horn is at a desired ending position.Type: ApplicationFiled: January 13, 2011Publication date: July 19, 2012Applicant: LG CHEM, LTD.Inventors: William Koetting, Alexander Khakhalev, Michael Nielson