Patents by Inventor Clay Hajime Kishiyama
Clay Hajime Kishiyama 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: 9728990Abstract: A system and method for early identification of an impending fast-charge or fast-charge opportunity and use of that information to prepare the battery cells for the fast-charge.Type: GrantFiled: October 31, 2012Date of Patent: August 8, 2017Assignee: TESLA, INC.Inventors: Christopher Dangler, Sarah G. Stewart, Clay Hajime Kishiyama
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Patent number: 8968949Abstract: A method for withdrawing heat from a battery pack is provided, wherein the heat is transferred from at least one electrode of each cell comprising the battery pack, via an electrically and thermally conductive tab, through a current collector plate and through a thermal interface layer to a temperature control panel that is coupled to an external temperature control system.Type: GrantFiled: March 2, 2012Date of Patent: March 3, 2015Assignee: Tesla Motors, Inc.Inventors: Weston Arthur Hermann, Scott Ira Kohn, Kurt Russell Kelty, Clay Hajime Kishiyama, Anil Paryani, Alexander Thomas Jacobs, Grant Dufresne Cutler, Peng Zhou
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Patent number: 8970173Abstract: A method of setting the operational mode of an electric vehicle is provided, where the operational mode is selected from a plurality of operational modes that include at least a Battery Life mode and a Standard mode, wherein the Battery Life mode is configured to select operating and charging parameters that emphasize battery health and battery life over vehicle range and/or vehicle performance. The system includes a thermal management system for maintaining the vehicle's battery pack to within any of a plurality of temperature ranges, and a charging system for charging the vehicle's battery pack to any of a plurality of minimum and maximum SOC levels and at any of a plurality of charging rates.Type: GrantFiled: February 28, 2012Date of Patent: March 3, 2015Assignee: Tesla Motors, Inc.Inventors: Kurt Russell Kelty, Weston Arthur Hermann, Scott Ira Kohn, Clay Hajime Kishiyama, Vineet Haresh Mehta, Sarah G. Stewart
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Patent number: 8963494Abstract: A charging system for a battery pack, including a charging station transferring energy to the battery pack at a maximum fast charge rate in a first operational mode and transferring energy to the battery pack at a slower charge rate in a second operational mode; a data collection system acquiring data indicating a state of charge of the battery pack and one or more desired charge optimization parameters; and a station control, responsive to the data and to the desired charge optimization parameters, automatically establishing a charging profile for the battery pack to assert a control signal and operate the charging station in the second operational mode whenever the charging station is able to transfer sufficient energy to the battery pack at the slower charge rate to meet an SOC target and a charge completion time target.Type: GrantFiled: May 18, 2012Date of Patent: February 24, 2015Assignee: Tesla Motors, Inc.Inventors: Clay Hajime Kishiyama, Kurt Russell Kelty
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Patent number: 8907629Abstract: A multi-mode operating system for an electric vehicle is provided, the system including means for a user to select a preferred mode of operation from a plurality of operational modes that include at least a Battery Life mode and a Standard mode, wherein the Battery Life mode is configured to select operating and charging parameters that emphasize battery health and battery life over vehicle range and/or vehicle performance. The system includes a thermal management system for maintaining the vehicle's battery pack to within any of a plurality of temperature ranges, and a charging system for charging the vehicle's battery pack to any of a plurality of minimum and maximum SOC levels and at any of a plurality of charging rates.Type: GrantFiled: February 28, 2012Date of Patent: December 9, 2014Assignee: Tesla Motors, Inc.Inventors: Kurt Russell Kelty, Weston Arthur Hermann, Scott Ira Kohn, Clay Hajime Kishiyama, Vineet Haresh Mehta, Sarah G. Stewart
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Patent number: 8899492Abstract: A method for actively cooling the battery pack of an electric vehicle after the vehicle has been turned off, thereby limiting the adverse effects of temperature on battery life, is provided. Different battery pack cooling techniques are provided, thus allowing the cooling technique used in a particular instance to be selected not only based on the thermal needs of the battery pack, but also on the thermal capacity and energy requirements of the selected approach.Type: GrantFiled: October 3, 2011Date of Patent: December 2, 2014Assignee: Tesla Motors, Inc.Inventors: Kurt Russell Kelty, Scott Ira Kohn, Weston Arthur Hermann, Clay Hajime Kishiyama
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Patent number: 8901885Abstract: An automated charge preparation method periodically determines critical parameters for the set of relevant operating conditions, determines whether fast charging is possible, applies fast charging when possible, otherwise applies a dynamically scaled charging rate that is optimized based upon current critical parameters (while optionally heating the individual battery cells as long as fast charging is not available) to reduce/eliminate a risk of lithium-plating.Type: GrantFiled: March 9, 2012Date of Patent: December 2, 2014Assignee: Tesla Motors, Inc.Inventors: Kurt Russell Kelty, Clay Hajime Kishiyama, Sarah G. Stewart
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Patent number: 8866444Abstract: An apparatus and method for identifying a presence of a short circuit in a battery pack. A fault-detection apparatus for a charging system that rapidly charges a collection of interconnected lithium ion battery cells, the safety system includes a data-acquisition system for receiving a set of data parameters from the collection while the charging system is actively charging the collection; a monitoring system evaluating the set of data parameters to identify a set of anomalous conditions; and a controller comparing the set of anomalous conditions against a set of predetermined profiles indicative of an internal short in one or more cells of the collection, the controller establishing an internal-short state for the collection when the comparing has a predetermined relationship to the set of predetermined profiles.Type: GrantFiled: December 16, 2010Date of Patent: October 21, 2014Assignee: Tesla Motors, Inc.Inventors: Sarah G. Stewart, Christopher Dangler, Clay Hajime Kishiyama, Weston Arthur Hermann, Scott Ira Kohn, Kurt Russell Kelty
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Publication number: 20140121866Abstract: A system and method for early identification of an impending fast-charge or fast-charge opportunity and use of that information to prepare the battery cells for the fast-charge.Type: ApplicationFiled: October 31, 2012Publication date: May 1, 2014Applicant: TESLA MOTORS, INC.Inventors: Christopher Dangler, Sarah G. Stewart, Clay Hajime Kishiyama
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Publication number: 20130307475Abstract: A charging system for a battery pack, including a charging station transferring energy to the battery pack at a maximum fast charge rate in a first operational mode and transferring energy to the battery pack at a slower charge rate in a second operational mode; a data collection system acquiring data indicating a state of charge of the battery pack and one or more desired charge optimization parameters; and a station control, responsive to the data and to the desired charge optimization parameters, automatically establishing a charging profile for the battery pack to assert a control signal and operate the charging station in the second operational mode whenever the charging station is able to transfer sufficient energy to the battery pack at the slower charge rate to meet an SOC target and a charge completion time target.Type: ApplicationFiled: May 18, 2012Publication date: November 21, 2013Applicant: TESLA MOTORS, INC.Inventors: Clay Hajime Kishiyama, Kurt Russell Kelty
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Patent number: 8536825Abstract: A system and method for improving cycle lifetimes for a lithium-ion battery pack, particularly for adapting to a dynamic use profile for a user.Type: GrantFiled: December 31, 2009Date of Patent: September 17, 2013Assignee: Tesla Motors, Inc.Inventors: Clay Hajime Kishiyama, Vineet Haresh Mehta, Christopher David Gadda
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Publication number: 20130234648Abstract: An automated charge preparation method periodically determines critical parameters for the set of relevant operating conditions, determines whether fast charging is possible, applies fast charging when possible, otherwise applies a dynamically scaled charging rate that is optimized based upon current critical parameters (while optionally heating the individual battery cells as long as fast charging is not available) to reduce/eliminate a risk of lithium-plating.Type: ApplicationFiled: March 9, 2012Publication date: September 12, 2013Applicant: Tesla Motors, Inc.Inventors: Kurt Russell Kelty, Clay Hajime Kishiyama, Sarah G. Stewart
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Publication number: 20130221916Abstract: A multi-mode operating system for an electric vehicle is provided, the system including means for a user to select a preferred mode of operation from a plurality of operational modes that include at least a Battery Life mode and a Standard mode, wherein the Battery Life mode is configured to select operating and charging parameters that emphasize battery health and battery life over vehicle range and/or vehicle performance. The system includes a thermal management system for maintaining the vehicle's battery pack to within any of a plurality of temperature ranges, and a charging system for charging the vehicle's battery pack to any of a plurality of minimum and maximum SOC levels and at any of a plurality of charging rates.Type: ApplicationFiled: February 28, 2012Publication date: August 29, 2013Applicant: TESLA MOTORS, INC.Inventors: Kurt Russell Kelty, Weston Arthur Hermann, Scott Ira Kohn, Clay Hajime Kishiyama, Vineet Haresh Mehta, Sarah G. Stewart
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Publication number: 20130221928Abstract: A method of setting the operational mode of an electric vehicle is provided, where the operational mode is selected from a plurality of operational modes that include at least a Battery Life mode and a Standard mode, wherein the Battery Life mode is configured to select operating and charging parameters that emphasize battery health and battery life over vehicle range and/or vehicle performance. The system includes a thermal management system for maintaining the vehicle's battery pack to within any of a plurality of temperature ranges, and a charging system for charging the vehicle's battery pack to any of a plurality of minimum and maximum SOC levels and at any of a plurality of charging rates.Type: ApplicationFiled: February 28, 2012Publication date: August 29, 2013Applicant: TESLA MOTORS, INC.Inventors: Kurt Russell Kelty, Weston Arthur Hermann, Scott Ira Kohn, Clay Hajime Kishiyama, Vineet Haresh Mehta, Sarah G. Stewart
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Patent number: 8389139Abstract: A system for integrating the venting feature of a battery with a means for simultaneously disconnecting the cell from the battery pack, thereby isolating the cell, is provided. The provided battery interconnect system is comprised of a battery, a connector plate for electrically coupling the battery to a battery pack, and an interruptible electrical connector for electrically coupling the connector plate to a battery terminal vent. The venting region, defined by scoring on the battery terminal, ruptures when the internal battery pressure exceeds the predefined battery operating range, causing the interruptible electrical connector to break and disrupt electrical continuity between the connector plate and the battery terminal.Type: GrantFiled: June 27, 2012Date of Patent: March 5, 2013Assignee: Tesla Motors, Inc.Inventors: Weston Arthur Hermann, Scott Ira Kohn, Clay Hajime Kishiyama, Kurt Russell Kelty, Jeffrey Brian Straubel, Vineet Haresh Mehta
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Publication number: 20120270080Abstract: A system for integrating the venting feature of a battery with a means for simultaneously disconnecting the cell from the battery pack, thereby isolating the cell, is provided. The provided battery interconnect system is comprised of a battery, a connector plate for electrically coupling the battery to a battery pack, and an interruptible electrical connector for electrically coupling the connector plate to a battery terminal vent. The venting region, defined by scoring on the battery terminal, ruptures when the internal battery pressure exceeds the predefined battery operating range, causing the interruptible electrical connector to break and disrupt electrical continuity between the connector plate and the battery terminal.Type: ApplicationFiled: June 27, 2012Publication date: October 25, 2012Applicant: TESLA MOTORS, INC.Inventors: Weston Arthur Hermann, Scott Ira Kohn, Clay Hajime Kishiyama, Kurt Russell Kelty, Jeffrey Brian Straubel, Vineet Haresh Mehta
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Patent number: 8241772Abstract: A system for integrating the venting feature of a battery with a means for simultaneously disconnecting the cell from the battery pack, thereby isolating the cell, is provided. The provided battery interconnect system is comprised of a battery, a connector plate for electrically coupling the battery to a battery pack, and an interruptible electrical connector for electrically coupling the connector plate to a battery terminal vent. The vent, defined by scoring on the battery terminal, ruptures when the internal battery pressure exceeds the predefined battery operating range, causing the interruptible electrical connector to break and disrupt electrical continuity between the connector plate and the battery terminal.Type: GrantFiled: July 15, 2009Date of Patent: August 14, 2012Assignee: Tesla Motors, Inc.Inventors: Weston Arthur Hermann, Scott Ira Kohn, Clay Hajime Kishiyama, Kurt Russell Kelty, Jeffrey Brian Straubel, Vineet Haresh Mehta
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Publication number: 20120153901Abstract: A method for withdrawing heat from a battery pack is provided, wherein the heat is transferred from at least one electrode of each cell comprising the battery pack, via an electrically and thermally conductive tab, through a current collector plate and through a thermal interface layer to a temperature control panel that is coupled to an external temperature control system.Type: ApplicationFiled: March 2, 2012Publication date: June 21, 2012Applicant: Tesla Motors, Inc.Inventors: Weston Arthur Hermann, Scott Ira Kohn, Kurt Russell Kelty, Clay Hajime Kishiyama, Anil Paryani, Alexander Thomas Jacobs, Grant Dufresne Cutler, Peng Zhou
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Patent number: 8153290Abstract: One embodiment includes an electrical cell that includes a flat housing, at least one electrode and an electrically and heat conductive tab coupled to the electrode and extending through the housing for electrically and thermally coupling to a collector panel, the tab being capable of conducting both current and a substantial amount of heat out of the housing to a temperature control system. The cells may be stacked to form a battery having a temperature panel interfaced to the temperature control system by a thermal interface. The battery may propel an electrically-powered vehicle or the like.Type: GrantFiled: October 28, 2008Date of Patent: April 10, 2012Assignee: Tesla Motors, Inc.Inventors: Weston Arthur Hermann, Scott Ira Kohn, Kurt Russell Kelty, Clay Hajime Kishiyama, Anil Paryani, Alexander Thomas Jacobs, Grant Dufresne Cutler, Peng Zhou
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Patent number: 8117857Abstract: A method and apparatus for actively cooling the battery pack of an electric vehicle after the vehicle has been turned off, thereby limiting the adverse effects of temperature on battery life, are provided. Different battery pack cooling techniques are provided, thus allowing the cooling technique used in a particular instance to be selected not only based on the thermal needs of the battery pack, but also on the thermal capacity and energy requirements of the selected approach.Type: GrantFiled: February 20, 2009Date of Patent: February 21, 2012Assignee: Tesla Motors, Inc.Inventors: Kurt Russell Kelty, Scott Ira Kohn, Weston Arthur Hermann, Clay Hajime Kishiyama