Patents by Inventor Vineet Haresh Mehta
Vineet Haresh Mehta 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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Publication number: 20240383770Abstract: Doped cathode active materials, and methods of manufacture, are described. The doped cathode active materials enable energy storage devices with improved performances, including but not limited to improved energy densities and capacity retention.Type: ApplicationFiled: January 10, 2023Publication date: November 21, 2024Inventors: Jianyu Li, Sanketh Gowda, Vineet Haresh Mehta
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Publication number: 20200136142Abstract: An active material for an electrode and its methods of manufacture are provided. The active material includes a lithium-nickel-copper complex oxide (LNCO) represented by the formula Li2NixCu1-xO2, wherein x is greater than 0 and less than 1.Type: ApplicationFiled: October 24, 2019Publication date: April 30, 2020Inventors: Sanketh R. Gowda, Vineet Haresh Mehta
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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: 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: 8643342Abstract: A battery cell charging system, including a charger and a controller, for rapidly charging a lithium ion battery cell, the battery cell charging system having a circuit for charging the battery cell using an adjustable voltage charging-profile to apply a charging voltage and a charging current to the battery cell wherein the adjustable voltage charging-profile includes: a first charging stage with a constant first stage charging current and an increasing battery cell voltage with the first stage charging current provided until the first stage charging voltage is about equal to a first stage complete voltage less than a maximum battery cell voltage; an intermediate ramped charging stage, the intermediate ramped charging stage including both an increasing ramped voltage and a decreasing ramped iBat current for the battery cell for the voltage charging range of the first stage complete voltage to about the maximum battery cell voltage; and a final charging stage with a constant final stage charging voltage aboutType: GrantFiled: December 31, 2009Date of Patent: February 4, 2014Assignee: Tesla Motors, Inc.Inventors: Vineet Haresh Mehta, Jeffrey Brian Straubel
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Patent number: 8627534Abstract: A contamination cleaner for a socket of a charging connector used with a charging station for an electric vehicle wherein the charging connector mates to a charging coupler of the electric vehicle during charging includes a housing mechanically configured generally similarly to the charging coupler enabling the housing to mechanically mate to the charging connector; and a cleaning contact, coupled to the housing and complementary to the socket, for engaging the socket and removing surface contaminants from the socket whenever the housing mechanically mates to the charging connector.Type: GrantFiled: April 20, 2011Date of Patent: January 14, 2014Assignee: Tesla Motors, Inc.Inventors: Christopher Hugo Van Dyke, Scott Ira Kohn, Vineet Haresh Mehta, Troy A. Nergaard
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Patent number: 8555659Abstract: A method for limiting the adverse effects of temperature on the electrical energy storage system (ESS) of an electric vehicle after the vehicle has been turned off is provided. In general, whether or not coolant is circulated through a coolant loop coupled to the ESS depends on the difference between the ambient temperature and a preset temperature, the preset temperature typically corresponding to the temperature of the ESS.Type: GrantFiled: November 1, 2011Date of Patent: October 15, 2013Assignee: Tesla Motors, Inc.Inventors: Weston Arthur Hermann, Scott Ira Kohn, Kurt Russell Kelty, Vineet Haresh Mehta, Jeffrey Brian Straubel
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Patent number: 8541126Abstract: A battery pack is provided that includes one or more thermal barrier elements, the thermal barrier elements dividing the cells within the battery pack into groups of cells. The thermal barrier elements that separate the cells into groups prevent a thermal runaway event initiated in one group of cells from propagating to the cells within a neighboring group of cells.Type: GrantFiled: August 31, 2009Date of Patent: September 24, 2013Assignee: Tesla Motors, Inc.Inventors: Weston Arthur Hermann, Scott Ira Kohn, Vineet Haresh Mehta, David G. Beck
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Patent number: 8543270Abstract: A method of optimizing the operation of the power source of an electric vehicle is provided, where the power source is comprised of a first battery pack (e.g., a non-metal-air battery pack) and a second battery pack (e.g., a metal-air battery pack). The power source is optimized to minimize use of the least efficient battery pack (e.g., the second battery pack) while ensuring that the electric vehicle has sufficient power to traverse the expected travel distance before the next battery charging cycle.Type: GrantFiled: December 10, 2010Date of Patent: September 24, 2013Assignee: Tesla Motors, Inc.Inventors: Kurt Russell Kelty, Vineet Haresh Mehta, Jeffrey Brian Straubel
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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: 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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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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Patent number: 8402776Abstract: A dual mode, thermal management system for use in a vehicle is provided. At a minimum, the system includes a first coolant loop in thermal communication with a battery system, a second coolant loop in thermal communication with at least one drive train component (e.g., electric motor, power electronics, inverter), a dual mode valve system that provides means for selecting between a first mode where the two coolant loops operate in parallel and a second mode where the two coolant loops operate in series, and a coolant reservoir that is coupled to both coolant loops when the two coolant loops are operating in series and only coupled to the drive train coolant loop when the two coolant loops are operating in parallel.Type: GrantFiled: March 23, 2012Date of Patent: March 26, 2013Assignee: Tesla Motors, Inc.Inventors: Vincent George Johnston, Andrew David Baglino, Scott Ira Kohn, Vineet Haresh Mehta, Christopher David Gadda, Curt Raymond O'Donnell, Wulfer Adrijan de Bruijn
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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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Patent number: 8367233Abstract: A battery pack thermal management system is provided that is comprised of at least one enclosure failure port integrated into at least one wall of a battery pack enclosure, where the enclosure failure port(s) remains closed during normal operation of the battery pack, and opens during a battery pack thermal runaway event, thereby providing a flow path for hot gas generated during the thermal runaway event to be exhausted out of the battery pack enclosure in a controlled fashion.Type: GrantFiled: August 15, 2012Date of Patent: February 5, 2013Assignee: Tesla Motors, Inc.Inventors: Weston Arthur Hermann, Alex Prilutsky, Vineet Haresh Mehta
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Patent number: 8361649Abstract: A method and apparatus is provided in which a pre-formed secondary can comprised of one or more layers of a high yield strength material is positioned around the pre-formed battery case, the pre-formed secondary can inhibiting the flow of hot, pressurized gas from within the battery through perforations formed in the battery casing during a thermal runaway event.Type: GrantFiled: August 13, 2012Date of Patent: January 29, 2013Assignee: Tesla Motors, Inc.Inventors: Weston Arthur Hermann, Vineet Haresh Mehta, Alex Prilutsky, Scott Ira Kohn
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Patent number: 8361642Abstract: A battery pack thermal management system is provided that is comprised of at least one enclosure failure port integrated into at least one wall of a battery pack enclosure, where the enclosure failure port(s) remains closed during normal operation of the battery pack, and opens during a battery pack thermal runaway event, thereby providing a flow path for hot gas generated during the thermal runaway event to be exhausted out of the battery pack enclosure in a controlled fashion.Type: GrantFiled: August 15, 2012Date of Patent: January 29, 2013Assignee: Tesla Motors, Inc.Inventors: Weston Arthur Hermann, Alex Prilutsky, Vineet Haresh Mehta
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Patent number: 8336319Abstract: A dual mode, thermal management system for use in a vehicle is provided. At a minimum, the system includes a first coolant loop in thermal communication with a battery system, a second coolant loop in thermal communication with at least one drive train component (e.g., electric motor, power electronics, inverter), and a dual mode valve system that provides means for selecting between a first mode where the two coolant loops operate in parallel, and a second mode where the two coolant loops operate in series.Type: GrantFiled: July 13, 2010Date of Patent: December 25, 2012Assignee: Tesla Motors, Inc.Inventors: Vincent George Johnston, Andrew David Baglino, Scott Ira Kohn, Vineet Haresh Mehta, Christopher David Gadda, Curt Raymond O'Donnell, Wulfer Adrijn de Bruijn
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Publication number: 20120308858Abstract: A battery pack thermal management system is provided that is comprised of at least one enclosure failure port integrated into at least one wall of a battery pack enclosure, where the enclosure failure port(s) remains closed during normal operation of the battery pack, and opens during a battery pack thermal runaway event, thereby providing a flow path for hot gas generated during the thermal runaway event to be exhausted out of the battery pack enclosure in a controlled fashion.Type: ApplicationFiled: August 15, 2012Publication date: December 6, 2012Applicant: TESLA MOTORS, INC.Inventors: Weston Arthur Hermann, Alex Prilutsky, Vineet Haresh Mehta
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Publication number: 20120308859Abstract: A battery pack thermal management system is provided that is comprised of at least one enclosure failure port integrated into at least one wall of a battery pack enclosure, where the enclosure failure port(s) remains closed during normal operation of the battery pack, and opens during a battery pack thermal runaway event, thereby providing a flow path for hot gas generated during the thermal runaway event to be exhausted out of the battery pack enclosure in a controlled fashion.Type: ApplicationFiled: August 15, 2012Publication date: December 6, 2012Applicant: TESLA MOTORS, INC.Inventors: Weston Arthur Hermann, Alex Prilutsky, Vineet Haresh Mehta