Patents by Inventor Kwok Tom
Kwok Tom 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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Frame member, frame assembly and battery cell assembly made therefrom and methods of making the same
Patent number: 9337456Abstract: A frame member for housing a battery cell, frame assembly and frame/battery cell assembly made therefrom, as well as respective methods of making the same, are disclosed. A frame member for housing a battery cell includes an integral frame having a peripheral wall, the peripheral wall having an attachment face and an opposed cooling face, and an attachment feature located on the attachment face and a complementary attachment feature located on the attachment face that is symmetrically opposed to the attachment feature about a plane of symmetry of the frame, the peripheral wall defining an opening that is configured to matingly receive a battery cell therein. A pair of frame members having a cooling member placed therebetween and attached to the respective attachment faces comprises a frame assembly. A frame/battery cell assembly includes a pair of frame assemblies having at least one battery cell placed therebetween.Type: GrantFiled: April 20, 2009Date of Patent: May 10, 2016Assignee: LG Chem, Ltd.Inventors: William Koetting, Kwok Tom, Josh Payne -
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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Patent number: 9203125Abstract: A battery cell assembly in accordance with an exemplary embodiment is provided. The assembly includes a first frame member having a first plurality of tabs extending away from a first peripheral edge of the first frame member. Each tab of the first plurality of tabs has a first coupling feature at a distal end of the respective tab. The assembly further includes a second frame member having a plurality of slots extending into a second peripheral edge of the second frame member. The assembly further includes a battery cell disposed between the first and second frame members, and each first coupling feature of each tab of the first plurality of tabs is configured to engage a respective slot of the plurality of slots of the second frame member to fixedly hold the first and second frame members together.Type: GrantFiled: February 27, 2013Date of Patent: December 1, 2015Assignee: LG Chem, Ltd.Inventors: Steven A. Bronczyk, Kwok Tom, William Koetting
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Patent number: 9147916Abstract: A battery cell assembly in accordance with an exemplary embodiment is provided. The assembly includes a first frame member having a first plurality of tabs extending away from a first peripheral edge of the first frame member. Each tab of the first plurality of tabs has a first coupling feature at a distal end of the respective tab. The assembly further includes a second frame member having a plurality of slots extending into a second peripheral edge of the second frame member. The assembly further includes a battery cell disposed between the first and second frame members, and each first coupling feature of each tab of the first plurality of tabs is configured to engage a respective slot of the plurality of slots of the second frame member to fixedly hold the first and second frame members together.Type: GrantFiled: August 17, 2010Date of Patent: September 29, 2015Assignee: LG Chem, Ltd.Inventors: Steven A. Bronczyk, Kwok Tom, William Koetting
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Patent number: 8973246Abstract: An ultrasonic welding assembly having an ultrasonic horn and an anvil having first, second, and third plate portions is provided. The third plate portion is coupled between the first and second plate portions. The first plate portion has a first knurled region on a first side disposed proximate to the ultrasonic horn, and the second plate portion has a second knurled region on the first side. The third plate portion has a first aperture extending therethrough. The assembly further includes a bracket that receives the second side of the anvil for holding the anvil thereon. The bracket has a second aperture extending therethrough that aligns with the first aperture, such that a coupling member extending through the first and second apertures removably couples the anvil to the bracket.Type: GrantFiled: July 23, 2013Date of Patent: March 10, 2015Assignee: LG Chem, Ltd.Inventors: Bruce Johnston, Kwok Tom
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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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Patent number: 8816692Abstract: A test system for a battery module is provided. The system includes a housing having a bottom plate; and first, second, third and fourth side walls coupled to the bottom plate that defines an interior region. The system further includes a mounting fixture that fixedly holds the battery module thereon. The system further includes first, second, third and fourth coupling members. The system further includes a lid coupled to the housing utilizing the first, second, third and fourth coupling members. The system further includes a battery charging system that charges the battery module.Type: GrantFiled: December 1, 2011Date of Patent: August 26, 2014Assignee: LG Chem, Ltd.Inventors: Kwok Tom, William Koetting, Steve Howay
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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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Patent number: 8739400Abstract: A press assembly and a method for bending electrical terminals of battery cells are provided. The assembly includes a supporting member that holds a body portion of a cell thereon. The cell has first and second electrical terminals. The assembly further includes a lower plate having first and second dies that hold the first and second electrical terminals, thereon. The assembly further includes an upper plate having third and fourth dies, and guide rods disposed between the lower plate and the upper plate. The upper plate moves vertically on the guide rods relative to the lower plate. The assembly further includes an actuation assembly moving the upper plate toward the lower plate such that the first electrical terminal is bent into a first predetermined shape between the first and third dies, and the second electrical terminal is bent into a second predetermined shape between the second and fourth dies.Type: GrantFiled: October 4, 2010Date of Patent: June 3, 2014Assignee: LG Chem, Ltd.Inventors: Janina Stancu, Kenneth J. Oswandel, Kwok Tom, William Koetting
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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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Patent number: 8662153Abstract: A battery cell assembly, a heat exchanger, and a method for manufacturing the heat exchanger are provided. The heat exchanger includes a rectangular-shaped sheet having first and second rectangular-shaped sheet portions coupled together at a bent edge such that the sheet portions are disposed proximate to one another. Outer edges of the first and second rectangular-shaped sheet portions are coupled together such that an interior region is formed between the first and second rectangular-shaped sheet portions. The bent edge has first and second apertures extending therethrough. The heat exchanger further includes a first inlet port disposed on the bent edge over the first aperture, and a second outlet port disposed on the bent edge over the second aperture, such that fluid can flow through the first inlet port and into the interior region and then through the outlet port.Type: GrantFiled: October 4, 2010Date of Patent: March 4, 2014Assignee: LG Chem, Ltd.Inventors: William Koetting, Sean O'Kane, Kwok Tom, Josh Payne
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Publication number: 20140026386Abstract: An ultrasonic welding assembly having an ultrasonic horn and an anvil having first, second, and third plate portions is provided. The third plate portion is coupled between the first and second plate portions. The first plate portion has a first knurled region on a first side disposed proximate to the ultrasonic horn, and the second plate portion has a second knurled region on the first side. The third plate portion has a first aperture extending therethrough. The assembly further includes a bracket that receives the second side of the anvil for holding the anvil thereon. The bracket has a second aperture extending therethrough that aligns with the first aperture, such that a coupling member extending through the first and second apertures removably couples the anvil to the bracket.Type: ApplicationFiled: July 23, 2013Publication date: January 30, 2014Applicant: LG Chem, Ltd.Inventors: Bruce Johnston, Kwok Tom
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Patent number: 8628872Abstract: A battery cell assembly and a method for assembling the battery cell assembly are provided. The battery cell assembly includes first and second battery cells with a heat exchanger disposed between the first and second battery cells. The heat exchanger has a plastic frame and first and second thermally conductive layers. The plastic frame has an interior space extending therethrough. The first and second thermally conductive layers are disposed on opposite sides of the plastic frame to enclose the interior space, such that when a liquid is disposed in the interior space, heat energy is transferred from the first battery cell through the first thermally conductive layer to the liquid.Type: GrantFiled: January 18, 2008Date of Patent: January 14, 2014Assignee: LG Chem, Ltd.Inventors: William Koetting, Kwok Tom, Martin J. Klein, Prabhakar Patil, Kelly Kebl
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Patent number: 8517078Abstract: An ultrasonic welding assembly having an ultrasonic horn and an anvil having first, second, and third plate portions is provided. The third plate portion is coupled between the first and second plate portions. The first plate portion has a first knurled region on a first side disposed proximate to the ultrasonic horn, and the second plate portion has a second knurled region on the first side. The third plate portion has a first aperture extending therethrough. The assembly further includes a bracket that receives the second side of the anvil for holding the anvil thereon. The bracket has a second aperture extending therethrough that aligns with the first aperture, such that a coupling member extending through the first and second apertures removably couples the anvil to the bracket.Type: GrantFiled: July 24, 2012Date of Patent: August 27, 2013Assignee: LG Chem, Ltd.Inventors: Bruce Johnston, Kwok Tom
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Publication number: 20130183572Abstract: An electrochemical cell includes an electrode assembly having a plurality of electrode plates. Each electrode plate includes a current collector having a first portion and a second portion, and each first and second portion having a first surface and a second surface opposing the first surface. The first and second surfaces of the first portion include a positively charged active material, and the first and second surfaces of the second portion include a negatively charged active material. In addition, the plurality of electrode plates includes at least two electrode plates, such that the electrochemical cell is arranged with a first portion of one plate electrochemically connected to a second portion of a second plate.Type: ApplicationFiled: January 13, 2012Publication date: July 18, 2013Applicant: Energy Power Systems LLCInventors: Subhash Dhar, William Koetting, Kwok Tom, Frank Martin
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Patent number: 8486552Abstract: A battery module having a cooling manifold is provided. The battery module includes a plurality of battery cell assemblies having a plurality of heat exchangers. The battery module further includes a first cooling manifold having a first inlet aperture extending therethrough and a first plurality of outlet apertures extending therethrough. The battery module further includes a first plurality of ported screws disposed through the first plurality of outlet apertures and configured to fluidly and physically couple the plurality of heat exchangers to the first cooling manifold.Type: GrantFiled: October 27, 2008Date of Patent: July 16, 2013Assignee: LG Chem, Ltd.Inventors: William Koetting, Josh Payne, Kwok Tom
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Publication number: 20130141105Abstract: A test system for a battery module is provided. The system includes a housing having a bottom plate; and first, second, third and fourth side walls coupled to the bottom plate that defines an interior region. The system further includes a mounting fixture that fixedly holds the battery module thereon. The system further includes first, second, third and fourth coupling members. The system further includes a lid coupled to the housing utilizing the first, second, third and fourth coupling members. The system further includes a battery charging system that charges the battery module.Type: ApplicationFiled: December 1, 2011Publication date: June 6, 2013Inventors: Kwok Tom, William Koetting, Steve Howay
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Patent number: 8309248Abstract: A battery cell carrier assembly having a battery cell carrier for holding a battery cell is provided. The battery cell carrier includes a trapping member for holding the battery cell. The battery cell carrier has at least one aperture extending therethrough for allowing air to flow therethrough to contact the first side of the battery cell for cooling the battery cell. The battery cell carrier further includes a panel member configured to be coupled to the trapping member for holding the battery cell therebetween. The panel member has at least one aperture extending therethrough for allowing air to flow therethrough to contact the battery cell for cooling the battery cell.Type: GrantFiled: July 26, 2007Date of Patent: November 13, 2012Assignee: LG Chem, Ltd.Inventors: William Koetting, Kwok Tom, Martin J. Klein, Prabhakar Patil, Kelly Kebl