Patents by Inventor Kyu-Ha Park
Kyu-Ha Park 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: 20240149819Abstract: The present disclosure relates to an interior material for a vehicle and a method for molding the interior material for the vehicle, and more specifically the method for molding an interior material for a vehicle according to the present disclosure includes heating a skin inserted into an upper end heater and a lower end heater spaced apart from each other; preforming the heated skin using an upper mold having a mold temperature set to have a set shape and a lower mold having a second mold temperature; and pressing the preformed skin and a core using a 1-1 mold and a 1-2 mold having set mold temperatures.Type: ApplicationFiled: January 16, 2024Publication date: May 9, 2024Applicants: HYUNDAI MOTOR COMPANY, Kia Corporation, KBI Dongkook Ind. Co., Ltd.Inventors: Jae Hyun An, In Soo Han, Woo Hyun Lim, Kyu Ha Yoo, Dong II Son, Dong Hyuk Choi, Chang Woo Kang, Chang Bok Park, Wan Gyu Choi
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Patent number: 10267864Abstract: Disclosed is an apparatus and method for estimating a battery state, the apparatus including a measurement unit for measuring a terminal voltage, a charging/discharging current and a current offset value of a battery, a prediction unit for predicting a state variable and an output variable according to a state equation including SOC and an overpotential of the battery as state variables and includes a terminal voltage of the battery as an output variable, a correction unit for correcting the predicted state variable, a SOC estimation unit for estimating SOC of the battery by means of the corrected state variable, and a control unit for selecting a single state variable to estimate SOC of the battery according to the measured current offset value, so that the SOC estimation unit estimates SOC of the battery by means of the selected state variable.Type: GrantFiled: November 15, 2013Date of Patent: April 23, 2019Assignee: LG Chem, Ltd.Inventors: Kyu-Ha Park, Cheol-Taek Kim
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Patent number: 9190863Abstract: Disclosed is an apparatus (and method) for charging a battery having a voltage measuring unit for measuring a voltage, a control unit for outputting a charge control signal corresponding to an early charging mode in which the battery is charged until a voltage of the battery rises to a preset cut-off voltage (Vc) and a charge control signal corresponding to a late charging mode in which the battery is charged while lowering a charge power in phases, and a charging unit for providing a charge power corresponding to the charge control signal to the battery, wherein a point of lowering the charge power in phases is associated with a point at which the voltage of the battery reaches the cut-off voltage again by the lowered charge power. Therefore, a voltage level reached at full charge of a battery may be raised in a simple and efficient way.Type: GrantFiled: November 25, 2013Date of Patent: November 17, 2015Assignee: LG CHEM, LTD.Inventors: Kyu-Ha Park, Cheol-Taek Kim
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Patent number: 9160037Abstract: Disclosed are an apparatus and method for estimating an available time of a battery relatively accurately in consideration of a driving pattern of a user. The apparatus for estimating an available time of a battery includes a current measuring unit for measuring an output current of the battery, a SOC estimating unit for estimating SOC (State Of Charge) of the battery, and a controller for estimating an available time of the battery by using a measured current value obtained by the current measuring unit, an estimated SOC value obtained by the SOC estimating unit and an entire capacity of the battery.Type: GrantFiled: September 7, 2012Date of Patent: October 13, 2015Assignee: LG Chem, Ltd.Inventor: Kyu-Ha Park
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Patent number: 9112216Abstract: The present invention discloses an apparatus and method for managing a battery pack, which can rapidly and accurately diagnose the coupling state of a bus bar to battery modules in the battery pack. In accordance with the present invention, provided is an apparatus for managing a battery pack having a plurality of battery modules and a bus bar coupled between the battery modules to electrically connect the battery modules, the apparatus comprising a coupling detection unit for detecting the coupling state of the bus bar to the battery modules; and a controlling unit for determining whether the coupling state of the bus bar has a defect on the basis of the coupling state detected by the coupling detection unit.Type: GrantFiled: July 18, 2012Date of Patent: August 18, 2015Assignee: LG CHEM, LTD.Inventor: Kyu-Ha Park
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Patent number: 8937459Abstract: The present disclosure describes an apparatus and method for estimating state of health (SOH) of a battery. The apparatus for estimating state of health of a battery includes a sensing unit for measuring a battery voltage and current within a predetermined charging voltage range; a memory unit storing the battery voltage and current values measured by the sensing unit and SOH-based ampere counting values, obtained by an ampere counting experiment of a battery whose actual degradation degree is known; and a control unit for calculating an ampere counting value by counting the measured current values stored in the memory unit within the charging voltage range, and estimating a SOH value by mapping the SOH value corresponding to the calculated ampere counting value from the SOH-based ampere counting values stored in the memory unit.Type: GrantFiled: September 4, 2013Date of Patent: January 20, 2015Assignee: LG Chem, Ltd.Inventors: Kyu-Ha Park, Cheol-Taek Kim
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Publication number: 20140084851Abstract: Disclosed is an apparatus (and method) for charging a battery having a voltage measuring unit for measuring a voltage, a control unit for outputting a charge control signal corresponding to an early charging mode in which the battery is charged until a voltage of the battery rises to a preset cut-off voltage (Vc) and a charge control signal corresponding to a late charging mode in which the battery is charged while lowering a charge power in phases, and a charging unit for providing a charge power corresponding to the charge control signal to the battery, wherein a point of lowering the charge power in phases is associated with a point at which the voltage of the battery reaches the cut-off voltage again by the lowered charge power. Therefore, a voltage level reached at full charge of a battery may be raised in a simple and efficient way.Type: ApplicationFiled: November 25, 2013Publication date: March 27, 2014Applicant: LG CHEM, LTD.Inventors: Kyu-Ha PARK, Cheol-Taek KIM
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Publication number: 20140074416Abstract: Disclosed is an apparatus and method for estimating a battery state, the apparatus including a measurement unit for measuring a terminal voltage, a charging/discharging current and a current offset value of a battery, a prediction unit for predicting a state variable and an output variable according to a state equation including SOC and an overpotential of the battery as state variables and includes a terminal voltage of the battery as an output variable, a correction unit for correcting the predicted state variable, a SOC estimation unit for estimating SOC of the battery by means of the corrected state variable, and a control unit for selecting a single state variable to estimate SOC of the battery according to the measured current offset value, so that the SOC estimation unit estimates SOC of the battery by means of the selected state variable.Type: ApplicationFiled: November 15, 2013Publication date: March 13, 2014Applicant: LG CHEM, LTD.Inventors: Kyu-Ha PARK, Cheol-Taek KIM
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Publication number: 20140009123Abstract: The present disclosure describes an apparatus and method for estimating state of health (SOH) of a battery. The apparatus for estimating state of health of a battery includes a sensing unit for measuring a battery voltage and current within a predetermined charging voltage range; a memory unit storing the battery voltage and current values measured by the sensing unit and SOH-based ampere counting values, obtained by an ampere counting experiment of a battery whose actual degradation degree is known; and a control unit for calculating an ampere counting value by counting the measured current values stored in the memory unit within the charging voltage range, and estimating a SOH value by mapping the SOH value corresponding to the calculated ampere counting value from the SOH-based ampere counting values stored in the memory unit.Type: ApplicationFiled: September 4, 2013Publication date: January 9, 2014Applicant: LG CHEM, LTD.Inventors: Kyu-Ha PARK, Cheol-Taek KIM
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Publication number: 20120326724Abstract: Disclosed are an apparatus and method for estimating an available time of a battery relatively accurately in consideration of a driving pattern of a user. The apparatus for estimating an available time of a battery includes a current measuring unit for measuring an output current of the battery, a SOC estimating unit for estimating SOC (State Of Charge) of the battery, and a controller for estimating an available time of the battery by using a measured current value obtained by the current measuring unit, an estimated SOC value obtained by the SOC estimating unit and an entire capacity of the battery.Type: ApplicationFiled: September 7, 2012Publication date: December 27, 2012Inventor: Kyu-Ha PARK
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Publication number: 20120280692Abstract: The present invention discloses an apparatus and method for managing a battery pack, which can rapidly and accurately diagnose the coupling state of a bus bar to battery modules in the battery pack. In accordance with the present invention, provided is an apparatus for managing a battery pack having a plurality of battery modules and a bus bar coupled between the battery modules to electrically connect the battery modules, the apparatus comprising a coupling detection unit for detecting the coupling state of the bus bar to the battery modules; and a controlling unit for determining whether the coupling state of the bus bar has a defect on the basis of the coupling state detected by the coupling detection unit.Type: ApplicationFiled: July 18, 2012Publication date: November 8, 2012Inventor: Kyu-Ha PARK
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Patent number: 6418064Abstract: A sense amplifier output control circuit capable of outputting data from the sense amplifier without delaying. The sense amplifier output control circuit includes a first logical operating element receiving an inverted output of the sense amplifier and a first controlling signal; a flip-flop circuit including a second logical operating element and a third logical operating element, the second logical operating element receiving signals from the first logical operating element and the third logical operating element, and the third logical operating element receives a signal from the second logical operating element and the first controlling signal; a fourth logical operating element receiving a signal from the flip-flop circuit and a second control signal; and a fifth logical operating element for inverting a signal from the fourth logical operating element. An output terminal of the fifth logical operating element is connected to an input terminal of the sense amplifier.Type: GrantFiled: October 9, 2001Date of Patent: July 9, 2002Assignee: Hynix Semiconductor Inc.Inventor: Kyu-Ha Park
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Publication number: 20020041521Abstract: A sense amplifier output control circuit capable of outputting data from the sense amplifier without delaying. The sense amplifier output control circuit includes a first logical operating element receiving an inverted output of the sense amplifier and a first controlling signal; a flip-flop circuit including a second logical operating element and a third logical operating element, the second logical operating element receiving signals from the first logical operating element and the third logical operating element, and the third logical operating element receives a signal from the second logical operating element and the first controlling signal; a fourth logical operating element receiving a signal from the flip-flop circuit and a second control signal; and a fifth logical operating element for inverting a signal from the fourth logical operating element. An output terminal of the fifth logical operating element is connected to an input terminal of the sense amplifier.Type: ApplicationFiled: October 9, 2001Publication date: April 11, 2002Inventor: Kyu-Ha Park