Patents by Inventor Tae Jung Yeo
Tae Jung Yeo 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: 10935608Abstract: Apparatus and method for estimating a state of a battery is provided. According to one aspect, a battery state estimation apparatus includes a state of health (SOH) estimator configured to estimate SOH of a battery based on degradation of the battery and the data acquired from the battery, and a state of charge (SOC) estimator configured to estimate the SOC of the battery based on the SOH of the battery.Type: GrantFiled: January 13, 2017Date of Patent: March 2, 2021Assignee: Samsung Electronics Co., Ltd.Inventors: Tae Won Song, Sang Do Park, Tae Jung Yeo, Jin Ho Kim
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Patent number: 10811741Abstract: A battery pack includes: battery modules; a cooling pipe connected to the battery modules; and one or more cooling units connected to the cooling pipe and configured to absorb heat from cooling liquid flowing inside the cooling pipe, wherein the battery modules and the one or more cooling units are disposed to alternate with respect to each other.Type: GrantFiled: January 10, 2017Date of Patent: October 20, 2020Assignee: Samsung Electronics Co., Ltd.Inventors: Tae Won Song, Jin Ho Kim, Dong Kee Sohn, Tae Jung Yeo
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Patent number: 10775439Abstract: An apparatus for estimating an initial condition of a battery includes a processor configured to calculate a stabilizing time of a lithium (Li) ion concentration in the battery, select an estimation model based on the stabilizing time, and estimate the initial condition of the battery to charge the battery using the selected estimation model.Type: GrantFiled: October 11, 2016Date of Patent: September 15, 2020Assignee: Samsung Electronics Co., Ltd.Inventors: Tae Won Song, Sung Ick Kim, Jin Ho Kim, Tae Jung Yeo
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Patent number: 10627452Abstract: Battery state of charge (SOC) determination apparatuses and methods are disclosed, where the battery SOC determination apparatus includes a grouper configured to cluster the cells in the battery pack into the groups based on similarity of the sensing data among the cells, a representative cell selector configured to select the representative cell for the each group, a first SOC estimator configured to estimate the SOC of the representative cell of the each group based on the battery model, and a second SOC estimator configured to determine the SOC of the battery pack based on the SOC of the representative cell of the each group.Type: GrantFiled: August 15, 2016Date of Patent: April 21, 2020Assignee: Samsung Electronics Co., Ltd.Inventors: Jin Ho Kim, Tae Won Song, Tae Jung Yeo
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Patent number: 10263435Abstract: A battery pack charging apparatus includes battery modules assigned to charging groups, the battery pack charging apparatus includes a charging factor setter configured to set charging factors of charging groups of the battery pack based on battery information; a sequential charger configured to sequentially charge the charging groups of the battery pack based on the charging factors of the set charging groups; and a charging controller configured to control charging of the charging groups based on either one or both of an individual group control factor and a pack control factor while the charging groups are sequentially charged.Type: GrantFiled: January 23, 2017Date of Patent: April 16, 2019Assignee: Samsung Electronics Co., Ltd.Inventors: Jin Ho Kim, Dae Ryong Jung, Young Jae Kim, Tae Won Song, Tae Jung Yeo
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Patent number: 10256515Abstract: A method and battery system for thermal management of a battery system includes predicting a total heat generation by a battery based on determined internal conditions of the battery, and controlling a selective adjusting of a heat transfer coefficient for the battery based on the predicted total heat generation to maintain an operating temperature of the battery at a target temperature or within a target temperature range.Type: GrantFiled: July 7, 2016Date of Patent: April 9, 2019Assignee: Samsung Electronics Co., Ltd.Inventors: Suman Basu, Krishnan S Hariharan, Nandhini Ganesan, Tae jung Yeo
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Patent number: 10109900Abstract: A battery management apparatus for a battery including battery units, the apparatus including a voltage sensor configured to sense a voltage of each of the battery units; a phase difference calculator configured to calculate a phase difference between the voltage of each of the battery units and a reference voltage; and a temperature controller configured to control a temperature of each of the battery units based on the calculated phase difference.Type: GrantFiled: January 11, 2017Date of Patent: October 23, 2018Assignee: Samsung Electronics Co., Ltd.Inventors: Jin Ho Kim, Ju Wan Lim, Tae Won Song, Tae Jung Yeo
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Publication number: 20170229747Abstract: Disclosed are a battery thermal management method and device. The battery thermal management device includes a first thermal manager configured to regulate a battery temperature using a liquid working fluid, a second thermal manager configured to regulate the battery temperature using a gaseous working fluid, and the second thermal manager works with the first thermal manager by exchanging heat between the liquid working fluid and the gaseous working fluid.Type: ApplicationFiled: February 2, 2017Publication date: August 10, 2017Applicant: Samsung Electronics Co., Ltd.Inventors: Dae Bong JUNG, Dong Kee SOHN, Tae Jung YEO
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Publication number: 20170214253Abstract: A battery pack charging apparatus includes battery modules assigned to charging groups, the battery pack charging apparatus includes a charging factor setter configured to set charging factors of charging groups of the battery pack based on battery information; a sequential charger configured to sequentially charge the charging groups of the battery pack based on the charging factors of the set charging groups; and a charging controller configured to control charging of the charging groups based on either one or both of an individual group control factor and a pack control factor while the charging groups are sequentially charged.Type: ApplicationFiled: January 23, 2017Publication date: July 27, 2017Applicant: Samsung Electronics Co., Ltd.Inventors: Jin Ho KIM, Dae Ryong JUNG, Young Jae KIM, Tae Won SONG, Tae Jung YEO
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Publication number: 20170205469Abstract: Apparatus and method for estimating a state of a battery is provided. According to one aspect, a battery state estimation apparatus includes a state of health (SOH) estimator configured to estimate SOH of a battery based on degradation of the battery and the data acquired from the battery, and a state of charge (SOC) estimator configured to estimate the SOC of the battery based on the SOH of the battery.Type: ApplicationFiled: January 13, 2017Publication date: July 20, 2017Applicant: Samsung Electronics Co., Ltd.Inventors: Tae Won SONG, Sang Do PARK, Tae Jung YEO, Jin Ho KIM
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Publication number: 20170200994Abstract: A battery management apparatus for a battery including battery units, the apparatus including a voltage sensor configured to sense a voltage of each of the battery units; a phase difference calculator configured to calculate a phase difference between the voltage of each of the battery units and a reference voltage; and a temperature controller configured to control a temperature of each of the battery units based on the calculated phase difference.Type: ApplicationFiled: January 11, 2017Publication date: July 13, 2017Applicant: Samsung Electronics Co., Ltd.Inventors: Jin Ho KIM, Ju Wan LIM, Tae Won SONG, Tae Jung YEO
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Publication number: 20170200993Abstract: A battery pack includes: battery modules; a cooling pipe connected to the battery modules; and one or more cooling units connected to the cooling pipe and configured to absorb heat from cooling liquid flowing inside the cooling pipe, wherein the battery modules and the one or more cooling units are disposed to alternate with respect to each other.Type: ApplicationFiled: January 10, 2017Publication date: July 13, 2017Applicant: Samsung Electronics Co., Ltd.Inventors: Tae Won SONG, Jin Ho KIM, Dong Kee SOHN, Tae Jung YEO
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Publication number: 20170125853Abstract: An apparatus for estimating an initial condition of a battery includes a processor configured to calculate a stabilizing time of a lithium (Li) ion concentration in the battery, select an estimation model based on the stabilizing time, and estimate the initial condition of the battery to charge the battery using the selected estimation model.Type: ApplicationFiled: October 11, 2016Publication date: May 4, 2017Applicant: SAMSUNG ELECTRONICS CO., LTD.Inventors: Tae Won SONG, Sung Ick KIM, Jin Ho KIM, Tae Jung YEO
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Publication number: 20170045587Abstract: Battery state of charge (SOC) determination apparatuses and methods are disclosed, where the battery SOC determination apparatus includes a grouper configured to cluster the cells in the battery pack into the groups based on similarity of the sensing data among the cells, a representative cell selector configured to select the representative cell for the each group, a first SOC estimator configured to estimate the SOC of the representative cell of the each group based on the battery model, and a second SOC estimator configured to determine the SOC of the battery pack based on the SOC of the representative cell of the each group.Type: ApplicationFiled: August 15, 2016Publication date: February 16, 2017Applicant: Samsung Electronics Co., Ltd.Inventors: Jin Ho KIM, Tae Won SONG, Tae Jung YEO
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Publication number: 20170033417Abstract: A method and battery system for thermal management of a battery system includes predicting a total heat generation by a battery based on determined internal conditions of the battery, and controlling a selective adjusting of a heat transfer coefficient for the battery based on the predicted total heat generation to maintain an operating temperature of the battery at a target temperature or within a target temperature range.Type: ApplicationFiled: July 7, 2016Publication date: February 2, 2017Applicant: Samsung Electronics Co., Ltd.Inventors: Suman BASU, Krishnan S HARIHARAN, Nandhini GANESAN, Tae jung YEO
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Patent number: 9343918Abstract: According to an example embodiment, a balancing apparatus includes: bi-directional switches that are respectively connected to cells that are connected in series, a controller configured to measure voltages of the cells, and a multiwinding transformed connected to the bi-directional switches. The bi-directional switches are configured to control a flow of an electric current bi-directionally. The controller is configured to select a number of the cells for balancing based on the measured voltages of the cells. The controller is configured to turn on and turn off the bi-directional switches that are connected to selected cells based on the measured voltages. The multi-winding transformer is configured to transfer energy between the cells when the bi-directional switches connected to the selected cells are turned on.Type: GrantFiled: January 17, 2013Date of Patent: May 17, 2016Assignee: Samsung Electronics Co., Ltd.Inventors: Jae-jung Yun, Tae-jung Yeo, Jang-pyo Park
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Patent number: 9270132Abstract: According to an example embodiment, a battery system includes: a plurality of modules, each including a plurality of cells connected to each other in series and a cell balancing circuit performing a balancing operation between the plurality of the cells based on voltages of the plurality of the cells; and a module balancing circuit performing a balancing operation between the modules based on voltages of the modules.Type: GrantFiled: January 31, 2013Date of Patent: February 23, 2016Assignee: Samsung Electronics Co., Ltd.Inventors: Jae-jung Yun, Jang-pyo Park, Tae-jung Yeo
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Publication number: 20140111166Abstract: A circuit may comprise a direct current (DC)/DC boost converter connected to a battery that includes a plurality of cells; a DC link connected between the DC/DC boost converter and an inverter; and/or a charging circuit connected between the battery and the DC link. The charging circuit may be connected to the DC/DC boost converter in parallel. A method of charging a battery using a regenerative energy of a motor may include storing the regenerative energy of the motor by using a converter with a multi-winding transformer, selecting a cell to be charged from among a plurality of cells included in the battery, and transferring the stored regenerative energy to the selected cell by using the converter.Type: ApplicationFiled: April 2, 2013Publication date: April 24, 2014Applicant: Samsung Electronics Co., Ltd.Inventors: Jae-jung YUN, Tae-jung YEO, Jong-soo KIM, Jang-pyo PARK
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Publication number: 20140084868Abstract: According to an example embodiment, a battery system includes: a plurality of modules, each including a plurality of cells connected to each other in series and a cell balancing circuit performing a balancing operation between the plurality of the cells based on voltages of the plurality of the cells; and a module balancing circuit performing a balancing operation between the modules based on voltages of the modules.Type: ApplicationFiled: January 31, 2013Publication date: March 27, 2014Applicant: SAMSUNG ELECTRONICS CO., LTD.Inventors: Jae-jung YUN, Jang-pyo PARK, Tae-jung YEO
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Publication number: 20140062383Abstract: According to an example embodiment, a balancing apparatus includes: bi-directional switches that are respectively connected to cells that are connected in series, a controller configured to measure voltages of the cells, and a multiwinding transformed connected to the bi-directional switches. The bi-directional switches are configured to control a flow of an electric current bi-directionally. The controller is configured to select a number of the cells for balancing based on the measured voltages of the cells. The controller is configured to turn on and turn off the bi-directional switches that are connected to selected cells based on the measured voltages. The multi-winding transformer is configured to transfer energy between the cells when the bi-directional switches connected to the selected cells are turned on.Type: ApplicationFiled: January 17, 2013Publication date: March 6, 2014Applicant: SAMSUNG ELECTRONICS CO., LTD.Inventors: Jae-jung YUN, Tae-jung YEO, Jang-pyo PARK