Patents by Inventor Nick Karditsas
Nick Karditsas 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).
-
Patent number: 10446803Abstract: An electrochemical pouch cell includes a stacked or rolled arrangement of electrode plates disposed in a cell housing, and a lead tab that protrudes through the cell housing. The lead tab forms an electrical connection with the electrode plates within the cell and permits transfer of current out of the cell via an opening in a seal joint of the pouch cell housing. The lead tab has a configuration that improves reliability of the seal between the lead tab and the opening.Type: GrantFiled: August 29, 2017Date of Patent: October 15, 2019Assignees: Robert Bosch Battery Systems LLC, Robert Bosch GmbHInventors: Jeffrey Buckholz, Nick Karditsas, Adam Bisaro, Robert Schoenherr
-
Patent number: 10355304Abstract: A battery pack includes a battery housing and electrochemical cells disposed in the battery housing in a stacked configuration. Elastic members are disposed between adjacent cells of a cell stack. Each elastic members is formed as a plate (e.g., a single-thickness sheet) having a curved or wavy contour when seen in cross-section, and is configured to serve as a compression spring that provides a predetermined compression force to adjacent cells while accommodating cell growth during use. The elastic members may include surface features such as strategically shaped and/or located protrusions that are configured to permit compliance and can be tuned to address the requirements of a specific application and permit application of varying stiffness characteristics across a surface of a cell.Type: GrantFiled: October 2, 2015Date of Patent: July 16, 2019Assignees: Robert Bosch Battery Systems GmbH, Robert Bosch GmbHInventors: Nick Karditsas, Mark Kotik
-
Publication number: 20190067671Abstract: An electrochemical pouch cell includes a stacked or rolled arrangement of electrode plates disposed in a cell housing, and a lead tab that protrudes through the cell housing. The lead tab forms an electrical connection with the electrode plates within the cell and permits transfer of current out of the cell via an opening in a seal joint of the pouch cell housing. The lead tab has a configuration that improves reliability of the seal between the lead tab and the opening.Type: ApplicationFiled: August 29, 2017Publication date: February 28, 2019Inventors: Jeffrey Buckholz, Nick Karditsas, Adam Bisaro, Robert Schoenherr
-
Publication number: 20170098855Abstract: A battery pack includes a battery housing and electrochemical cells disposed in the battery housing in a stacked configuration. Elastic members are disposed between adjacent cells of a cell stack. Each elastic members is formed as a plate (e.g., a single-thickness sheet) having a curved or wavy contour when seen in cross-section, and is configured to serve as a compression spring that provides a predetermined compression force to adjacent cells while accommodating cell growth during use. The elastic members may include surface features such as strategically shaped and/or located protrusions that are configured to permit compliance and can be tuned to address the requirements of a specific application and permit application of varying stiffness characteristics across a surface of a cell.Type: ApplicationFiled: October 2, 2015Publication date: April 6, 2017Inventors: Nick Karditsas, Mark Kotik
-
Patent number: 9362536Abstract: A battery module according to the principles of the present disclosure includes a plurality of battery cells, a pair of sideplates, and a pair of endplates. The sideplates are disposed on opposite sides of the plurality of battery cells and the endplates are disposed at opposite ends of the battery module. The sideplates include a first mating portion and the endplates include a second mating portion that engages the first mating portion to provide an interference fit. The interference fit joins the sideplates and the endplates together and bands the plurality of cells together between the sideplates and the endplates.Type: GrantFiled: July 6, 2012Date of Patent: June 7, 2016Assignee: Robert Bosch GmbHInventors: Mark A. Niedzwiecki, Nick Karditsas
-
Patent number: 9166419Abstract: A battery pack for an electric vehicle includes a first battery, a second battery, and a load arranged in parallel. A first semiconductor switching module is arranged in series with the first battery, and to selectively allow current flow from the first battery to the load and from the load to the first battery. A second semiconductor switching module is arranged in series with the second battery, and to selectively allow current flow from the second battery to the load and from the load to the second battery. A battery control module stores at least one of charge data and usage data corresponding to the first battery and the second battery, and selectively turns on and off the first semiconductor switching module and the second semiconductor switching module based on at least one of the charge data and the usage data.Type: GrantFiled: October 30, 2012Date of Patent: October 20, 2015Assignee: Robert Bosch GmbHInventors: Gregory J. Girard, Nick Karditsas, John Collier
-
Patent number: 9045052Abstract: A battery pack for an electric vehicle includes a first battery arranged in parallel with a load of the electric vehicle. A second battery is arranged in parallel with the first battery and the load. A first semiconductor switching module is arranged in series with the first battery and is arranged to selectively allow current flow from the first battery to the load and from the load to the first battery. A second semiconductor switching module is arranged in series with the second battery and is arranged to selectively allow current flow from the second battery to the load and from the load to the second battery. A battery control module selectively turns on and off the first semiconductor switching module and the second semiconductor switching module.Type: GrantFiled: October 30, 2012Date of Patent: June 2, 2015Assignee: Robert Bosch GmbHInventors: Gregory J. Girard, Nick Karditsas, John Collier
-
Patent number: 8889283Abstract: A modular frame for a battery module includes: a floor that includes an electrically non-conductive material; end walls that are perpendicular to the floor and that include the electrically non-conductive material; and side walls that are perpendicular to the floor, that are perpendicular to the end walls, and that include the electrically non-conductive material. The modular frame further includes interior walls that include the electrically non-conductive material and that define: a first row of cell slots configured to receive a first plurality of prismatic cells; a second row of cell slots configured to receive a second plurality of prismatic cells; and a chamber disposed between the first and second rows of cell slots. The modular frame further includes a first and second apertures to the chamber. The first aperture is defined by the interior walls and the side walls. The second aperture is formed through one of the end walls.Type: GrantFiled: January 6, 2012Date of Patent: November 18, 2014Assignee: Robert Bosch GmbHInventors: Michael A. Marchio, Frank A. Valdez, Marke S. Cicero, Nick Karditsas
-
Publication number: 20130288105Abstract: A battery module according to the principles of the present disclosure includes a plurality of battery cells, a pair of sideplates, and a pair of endplates. The sideplates are disposed on opposite sides of the plurality of battery cells and the endplates are disposed at opposite ends of the battery module. The sideplates include a first mating portion and the endplates include a second mating portion that engages the first mating portion to provide an interference fit. The interference fit joins the sideplates and the endplates together and bands the plurality of cells together between the sideplates and the endplates.Type: ApplicationFiled: July 6, 2012Publication date: October 31, 2013Applicant: COBASYS, LLCInventors: Mark A. Niedzwiecki, Nick Karditsas
-
Patent number: 8455133Abstract: Disclosed herein is a multi-cell battery pack having optimal temperature distribution throughout the battery pack and optimal air flow through the battery pack. Disclosed herein is a battery pack which provides optimal temperature distribution throughout the battery pack, wherein maximum cell temperature (Tmax) and temperature differential amongst all cells in the battery pack (?Tcell) are optimized for efficient thermal management providing safety, improved performance and extended life of the battery pack and electrochemical cells. Also disclosed herein is a battery pack which provides optimal flow through the battery pack and minimal pressure drop (?P) throughout the battery pack.Type: GrantFiled: January 28, 2009Date of Patent: June 4, 2013Assignee: Cobasys, LLCInventors: Satish Anantharaman, Pradeep Gnanaprakasam, Raghav Sampath Kumar, Raymond E. Chaney, Jozef Gorog, Nick Karditsas
-
Publication number: 20120177970Abstract: A modular frame for a battery module includes: a floor that includes an electrically non-conductive material; end walls that are perpendicular to the floor and that include the electrically non-conductive material; and side walls that are perpendicular to the floor, that are perpendicular to the end walls, and that include the electrically non-conductive material. The modular frame further includes interior walls that include the electrically non-conductive material and that define: a first row of cell slots configured to receive a first plurality of prismatic cells; a second row of cell slots configured to receive a second plurality of prismatic cells; and a chamber disposed between the first and second rows of cell slots. The modular frame further includes a first and second apertures to the chamber. The first aperture is defined by the interior walls and the side walls. The second aperture is formed through one of the end walls.Type: ApplicationFiled: January 6, 2012Publication date: July 12, 2012Applicant: COBASYS, LLCInventors: Michael A. Marchio, Frank A. Valdez, Marke S. Cicero, Nick Karditsas
-
Publication number: 20090191452Abstract: Disclosed herein is a multi-cell battery pack having optimal temperature distribution throughout the battery pack and optimal air flow through the battery pack. Disclosed herein is a battery pack which provides optimal temperature distribution throughout the battery pack, wherein maximum cell temperature (Tmax) and temperature differential amongst all cells in the battery pack (?Tcell) are optimized for efficient thermal management providing safety, improved performance and extended life of the battery pack and electrochemical cells. Also disclosed herein is a battery pack which provides optimal flow through the battery pack and minimal pressure drop (?P) throughout the battery pack.Type: ApplicationFiled: January 28, 2009Publication date: July 30, 2009Inventors: Satish Anantharaman, Pradeep Gnanaprakasam, Raghav Sampath Kumar, Raymond E. Chaney, Jozef Gorog, Nick Karditsas
-
Patent number: 7217473Abstract: Mechanically and thermally improved rechargeable batteries, modules and fluid-cooled battery pack systems. The battery is prismatic in shape with an optimized thickness to width to height aspect ratio which provides the battery with balanced optimal properties when compared with prismatic batteries lacking this optimized aspect ratio. The fluid-cooled battery pack includes; 1) a battery-pack case having coolant inlet and outlet; 2) battery modules within the case such that the battery module is spaced from the case walls and from other battery modules to form coolant flow channels along at least one surface of the bundled batteries; and 3) at least one coolant transport means. The width of the coolant flow channels allows for maximum heat transfer.Type: GrantFiled: September 9, 2004Date of Patent: May 15, 2007Assignee: Ovanic Battery Company, Inc.Inventors: Stanford R. Ovshinsky, Dennis A. Corrigan, Srinivasan Venkatesan, Subhash K. Dhar, Arthur Holland, Donn Fillmore, Lin Higley, Philippe Gow, Ronald Himmler, Nick Karditsas, Kenneth Laming, Anthony Osgood
-
Publication number: 20070087266Abstract: Disclosed herein is a modular battery system having at least one set of battery modules, preferably monoblock modules connected in series. Each of the battery modules may be designed with a first endplate and a second endplate, wherein each battery module is set between the first and second endplates and at least one band member couples the endplates to each other, binding the battery module between the endplates. The endplates are secured between a pair of rails and the system is disposed in a system housing. A cooling manifold provides a system wherein coolant flows into and out of each battery module. The system housing preferably has a coolant inlet and a coolant outlet. The cooling manifold is in flow communication with the coolant inlet and the coolant outlet. A battery monitoring system, which may include a battery control module and at least one remote sensing module, preferably monitors and collects performance and status information, such as voltage and temperature, of the battery modules.Type: ApplicationFiled: October 18, 2005Publication date: April 19, 2007Inventors: Debbi Bourke, Hans Johnson, Jonathan Freiman, Robert Melichar, Nick Karditsas
-
Patent number: 6878485Abstract: Mechanically and thermally improved rechargeable batteries, modules and fluid-cooled battery pack systems. The battery is prismatic in shape with an optimized thickness to width to height aspect ratio which provides the battery with balanced optimal properties when compared with prismatic batteries lacking this optimized aspect ratio. The optimized thickness, width and height allow for maximum capacity and power output, while eliminating deleterious side affects. The battery case design allows for unidirectional expansion which is readily compensated for by applying external mechanical compression counter to that direction. In the module, the batteries are bound within a module bundling/compression means under external mechanical compression which is optimized to balance outward pressure due to expansion and provide additional inward compression to reduce the distance between the positive and negative electrodes, thereby increasing overall battery power.Type: GrantFiled: April 12, 2002Date of Patent: April 12, 2005Assignee: Ovonic Battery Company, Inc.Inventors: Stanford R. Ovshinsky, Dennis A. Corrigan, Srinivasan Venkatesan, Subhash K. Dhar, Arthur Holland, Donn Fillmore, Lin Higley, Philippe Gow, Ronald Himmler, Nick Karditsas, Kenneth Laming, Anthony Osgood
-
Publication number: 20050058892Abstract: Mechanically and thermally improved rechargeable batteries, modules and fluid-cooled battery pack systems. The battery is prismatic in shape with an optimized thickness to width to height aspect ratio which provides the battery with balanced optimal properties when compared with prismatic batteries lacking this optimized aspect ratio. The optimized thickness, width and height allow for maximum capacity and power output, while eliminating deleterious side affects. The battery case design allows for unidirectional expansion which is readily compensated for by applying external mechanical compression counter to that direction. In the module, the batteries are bound within a module bundling/compression means under external mechanical compression which is optimized to balance outward pressure due to expansion and provide additional inward compression to reduce the distance between the positive and negative electrodes, thereby increasing overall battery power.Type: ApplicationFiled: September 9, 2004Publication date: March 17, 2005Inventors: Stanford Ovshinsky, Dennis Corrigan, Srinivasan Venkatesan, Subhash Dhar, Arthur Holland, Donn Fillmore, Lin Higley, Philippe Gow, Ronald Himmler, Nick Karditsas, Kenneth Laming, Anthony Osgood
-
Publication number: 20020182493Abstract: Mechanically and thermally improved rechargeable batteries, modules and fluid-cooled battery pack systems. The battery is prismatic in shape with an optimized thickness to width to height aspect ratio which provides the battery with balanced optimal properties when compared with prismatic batteries lacking this optimized aspect ratio. The optimized thickness, width and height allow for maximum capacity and power output, while eliminating deleterious side affects. The battery case design allows for unidirectional expansion which is readily compensated for by applying external mechanical compression counter to that direction. In the module, the batteries are bound within a module bundling/compression means under external mechanical compression which is optimized to balance outward pressure due to expansion and provide additional inward compression to reduce the distance between the positive and negative electrodes, thereby increasing overall battery power.Type: ApplicationFiled: April 12, 2002Publication date: December 5, 2002Inventors: Stanford R. Ovshinsky, Dennis A. Corrigan, Srinivasan Venkatesan, Subhash K. Dhar, Arthur Holland, Donn Fillmore, Lin Higley, Philippe Gow, Ronald Himmler, Nick Karditsas, Kenneth Laming, Anthony Osgood
-
Patent number: 6372377Abstract: Mechanically and thermally improved rechargeable batteries and modules. The battery is prismatic in shape with an optimized thickness to width to height aspect ratio which provides the battery with balanced optimal properties when compared with prismatic batteries lacking this optimized aspect ratio. The optimized thickness, width and height allow for maximum capacity and power output, while eliminating deleterious side affects. The battery case design allows for unidirectional expansion which is readily compensated for by applying external mechanical compression counter to that direction. In the module, the batteries are bound within a module bundling/compression means under external mechanical compression which is optimized to balance outward pressure due to expansion and provide additional inward compression to reduce the distance between the positive and negative electrodes, thereby increasing overall battery power.Type: GrantFiled: March 8, 1999Date of Patent: April 16, 2002Assignee: Ovonic Battery Company, Inc.Inventors: Stanford R. Ovshinsky, Dennis A. Corrigan, Srinivasan Venkatesan, Subhash K. Dhar, Arthur Holland, Donn Fillmore, Lin Higley, Philippe Gow, Ronald Himmler, Nick Karditsas, Kenneth Laming, Anthony Osgood
-
Patent number: 5879831Abstract: Mechanically and thermally improved rechargeable batteries, modules and fluid-cooled battery pack systems. The battery is prismatic in shape with an optimized thickness to width to height aspect ratio which provides the battery with balanced optimal properties when compared with prismatic batteries lacking this optimized aspect ratio. The optimized thickness, width and height allow for maximum capacity and power output, while eliminating deleterious side affects. The battery case design allows for unidirectional expansion which is readily compensated for by applying external mechanical compression counter to that direction. In the module, the batteries are bound within a module bundling/compression means under external mechanical compression which is optimized to balance outward pressure due to expansion and provide additional inward compression to reduce the distance between the positive and negative electrodes, thereby increasing overall battery power.Type: GrantFiled: October 17, 1995Date of Patent: March 9, 1999Assignee: Ovonic Battery Company, Inc.Inventors: Stanford R. Ovshinsky, Dennis A. Corrigan, Srinivasan Venkatesan, Subhash K. Dhar, Arthur Holland, Donn Fillmore, Lin Higley, Philippe Gow, Ronald Himmler, Nick Karditsas, Kenneth Laming, Anthony Osgood