Patents by Inventor Hae Kyu Lim
Hae Kyu Lim 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: 20150207188Abstract: A battery for a vehicle includes a heat dissipating panel interposed between battery cells. A heat pipe is arranged in the heat dissipating panel and has an upper end portion serving as a contact portion, which extends to be exposed upward outside from an upper end of the battery cell and is bent inward to the upper end of the battery cell. A heat dissipating fin is in tight contact with the contact portion of the heat pipe.Type: ApplicationFiled: June 23, 2014Publication date: July 23, 2015Inventors: Jun Seok CHOI, Hae Kyu LIM, Yoon Cheol JEON, Jeong Hun SEO, Yong Jin LEE
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Publication number: 20150180016Abstract: A safety device for preventing overcharging of a battery includes: a battery stack including a plurality of cells; a safety circuit connected to two or more cells and provided with an electrical conduction control unit that controls electrical conduction; and a closed circuit disposed between the cells connected to the safety circuit and provided with a switching unit which is switched on or off upon cell swelling, such that when cell swelling occurs, the switching unit is switched on by a pressing force, disabling the electrical conduction control unit of the safety circuit so electrical conduction between the cells is established via the switching unit, and when cell swelling occurs again, the switching unit is switched off, cutting off the electrical conduction between the cells.Type: ApplicationFiled: August 28, 2014Publication date: June 25, 2015Inventors: Jun Seok Choi, Hae Kyu Lim, Yoon Cheol Jeon, Jeong Hun Seo, Yong Jin Lee
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Publication number: 20150165927Abstract: A battery assembly mounted on a hybrid electric vehicle is provided that prevents thermal runaway caused by overcharging. The battery assembly includes a battery having a plurality of cells and a protection switch disposed opposite to the battery. A relay is configured to turn on or off according to an operation of the protection switch and a PRA (power relay assembly) is connected between the relay and the battery.Type: ApplicationFiled: August 26, 2014Publication date: June 18, 2015Inventors: Yooncheol Jeon, Jeong Hun Seo, Yongjin Lee, Hae Kyu Lim, Jin Ho Park, Jun Seok Choi, Jun Ho Bang
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Publication number: 20150171480Abstract: An apparatus for preventing battery overcharge is provided and includes a plurality of holders interposed between cells stacked within a battery to enclose the cells in a stacking direction. An installation space is formed between outer parts of at least two holders that enclose the cells. In addition, a fluid pouch is disposed within the installation space and adjacent to the cells inside the installation space, and contains a fluid therein. A cutting part is disposed within the installation space and has a first end disposed adjacent to the fluid pouch, and has a cutter edge heading between a lead tab and a bus bar at a second end of the cutting part.Type: ApplicationFiled: July 16, 2014Publication date: June 18, 2015Applicant: HYUNDAI MOTOR COMPANYInventors: Jeong Hun Seo, Yong Jin Lee, Yeon Man Jeong, Hae Kyu Lim, Dal Kim, Jun Seok Choi, Yoon Cheol Jeon
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Patent number: 9048517Abstract: Disclosed herein is a battery cooling duct. The duct includes a suction portion disposed between a rear seat and a floor panel of a vehicle, an inlet of the suction portion fluidly communicating with an interior of the vehicle to suction interior air. An extension portion is formed by extending an outlet side of the suction portion to a rear of the vehicle, e.g. a trunk, between the rear seat and the floor panel, and defines a passageway configured to allow the interior air to pass therethrough. A discharge portion extends from an outlet of the extension portion to the rear of the vehicle, and discharges the interior air passed through the extension portion, through an outlet of the discharge portion to the battery of the vehicle.Type: GrantFiled: November 28, 2012Date of Patent: June 2, 2015Assignees: Hyundai Motor Company, Kia Motors CorporationInventors: Hae Kyu Lim, Yoon Cheol Jeon, Yong Jin Lee, Jeong Hun Seo
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Patent number: 9030154Abstract: Disclosed is an apparatus for preventing a battery from overcharging. In particular, the apparatus includes a battery module which has a plurality of battery cells and a battery controller that is connected to the battery module. The battery controller has a voltage sensor. A mounting frame is arranged a predetermined distance from the battery module, and is made of a conductor to which a ground is connected. The battery controller determines that overcharging to the battery module has occurred when the voltage sensor senses a low voltage due to the battery module coming in contact with the mounting frame because of swelling.Type: GrantFiled: December 6, 2011Date of Patent: May 12, 2015Assignees: Hyundai Motor Company, Kia Motors CorporationInventors: Hae Kyu Lim, Mi Ok Kim
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Patent number: 9024587Abstract: Disclosed is a system for protecting a BMS from electromagnetic waves, and more particularly, to a system for protecting a BMS from electromagnetic waves to prevent voltage sensing errors due to the electromagnetic waves generated by current from a battery cell. The system includes: a battery having a plurality of battery cells; a power relay assembly intermittently charging and discharging the battery; a battery management system (BMS) connected to the battery cell via a voltage sensing wire to predict a battery's SOC; and a housing surrounding the battery and the power relay assembly with one side of the outside of the housing having a separate section for therein for receiving the BMS so as to partition the BMS and the battery in different spaces.Type: GrantFiled: June 12, 2012Date of Patent: May 5, 2015Assignees: Hyundai Motor Company, Kia Motors CorporationInventors: Yoon Cheol Jeon, Hae Kyu Lim, Yong Jin Lee
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Publication number: 20150111089Abstract: An apparatus preventing overcharging of a battery and a battery including the apparatus are provided. The apparatus includes holders interposed on respective gaps between battery cells to be stacked and an installation space formed between borders of adjacent holders. A cutting module is inserted into the installation space and an inserted end thereof is disposed between the cells adjacent to an inner side of the installation space to be fixed to a holder and an exposed end thereof has a cutter blade directed to a gap between a lead tap and a bus bar bonded together that is formed. The gap between the ends is connected with a plurality of hinges to compress the hinges to be unfolded when the cell is expanded in a side direction and to deploy the exposed end outwardly for the cutter blade to separate the bonding of the lead tap and the bus bar.Type: ApplicationFiled: July 17, 2014Publication date: April 23, 2015Inventors: Jeong Hun Seo, Yeon Man Jeong, Yoon Cheol Jeon, Hae Kyu Lim, Jun Seok Choi, Yong Jin Lee
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Patent number: 9012056Abstract: Disclosed is a high voltage battery pack apparatus for a vehicle which includes a cooling device having first and second battery packs which are installed in a center console of the vehicle. The first and second battery packs may be uniformly cooled through a distribution duct to improve cooling performance which minimizes the number of cooling fans that are used. Since the number of cooling fans is minimized and a discharging duct is not used, weight reduction and cost savings can be achieved.Type: GrantFiled: December 12, 2011Date of Patent: April 21, 2015Assignees: Hyundai Motor Company, Kia Motors CorporationInventors: Hae Kyu Lim, Yoon Cheol Jeon, Yong Jin Lee, Jun Ho Bang
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Patent number: 9004935Abstract: A safety plug device that is disposed in a high-voltage battery to interrupt power supply. The device includes a female housing, a male housing, and a grip part. The female housing includes a terminal part and the male housing is equipped with a fuse and is removably coupled to the female housing. The grip part is slidable on the male housing in forward and backward directions, is simultaneously coupled to the male housing in a vertical direction, and is equipped with an interlock pin connected to an interlock connector at a rear end thereof. In particular, the grip part slides forward to release the interlock pin and to be coupled to the male housing, to allow the grip part and the male housing to be removed in an upward direction to interrupt the power supply.Type: GrantFiled: May 22, 2013Date of Patent: April 14, 2015Assignees: Hyundai Motor Company, Kia Motors CorporationInventor: Hae Kyu Lim
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Publication number: 20150000991Abstract: An overcharge prevention device of a battery is provided and includes a safety fuse which is connected to a battery and a safety circuit which is connected in parallel to the battery and the safety fuse and includes a short-circuit switch which is disposed adjacent to a side in which the battery is swelled. The short-circuit switch is opened in a normal state, and short-circuits when the switch is pressurized due to the swelling of the battery to form a closed circuit with the battery and the safety fuse.Type: ApplicationFiled: October 10, 2013Publication date: January 1, 2015Applicants: Kia Motors Corporation, Hyundai Motor CompanyInventors: Hae Kyu Lim, Jeong Hun Seo, Suk Hyung Kim, Yoon Cheol Jeon, Jun Seok Choi, Eun Kyung Kim
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Patent number: 8776905Abstract: Disclosed is a device for preventing fire in a battery pack used a battery powered vehicle. In particular, a battery pack housing is installed and configured to cover the battery pack, and includes an inlet and an outlet to circulate air therein. A fire sensor is provided in the battery pack housing and detects/senses gas when a fire occurs in the battery pack. In response, a damper installed in each of the inlet and the outlet, is configured to selectively open or close the inlet and the outlet based upon signals from a controller that is configured to send opening signals or a closing signals to the damper depending on whether the fire sensor detects gas or not.Type: GrantFiled: December 12, 2011Date of Patent: July 15, 2014Assignees: Hyundai Motor Company, Kia Motors CorporationInventors: Hae Kyu Lim, Jin Ho Park
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Patent number: 8770331Abstract: Disclosed is battery pack mounting structure for a high capacity battery in a vehicle. More specifically, a battery pack that includes a plurality of modules is mounted lengthwise in a center console installation space between a driver seat and a passenger seat. A cooling air providing means is configured to supply cooling air to a front protion of the battery pack, and a cooling air distributing means is configured to distribute the cooling air provided by the cooling air providing means to each of a plurality of battery modules individually. Finally, a discharge duct means is configured to receive cooling air that has already passed over each of the individual battery modules and discharge the cooling air through a rear portion of the battery pack to outside of a vehicle body.Type: GrantFiled: June 29, 2012Date of Patent: July 8, 2014Assignees: Hyundai Motor Company, Kia Motors CorporationInventors: Hae Kyu Lim, Yoon Cheol Jeon, Yong Jin Lee
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Publication number: 20140162497Abstract: A safety plug device that is disposed in a high-voltage battery to interrupt power supply. The device includes a female housing, a male housing, and a grip part. The female housing includes a terminal part and the male housing is equipped with a fuse and is removably coupled to the female housing. The grip part is slidable on the male housing in forward and backward directions, is simultaneously coupled to the male housing in a vertical direction, and is equipped with an interlock pin connected to an interlock connector at a rear end thereof. In particular, the grip part slides forward to release the interlock pin and to be coupled to the male housing, to allow the grip part and the male housing to be removed in an upward direction to interrupt the power supply.Type: ApplicationFiled: May 22, 2013Publication date: June 12, 2014Applicants: KIA MOTORS CORPORATION, HYUNDAI MOTOR COMPANYInventor: Hae Kyu Lim
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Publication number: 20140121869Abstract: Disclosed is a cooling control system and method for battery packs located in different locations in a vehicle. In particular, a controller determines whether the maximum temperatures of a plurality of battery packs disposed in different locations are within the reference maximum temperature and whether the temperature differences of battery cells in each of the battery packs is within the reference temperature difference value. When the maximum temperature is less than or equal to the reference maximum temperature and the temperature difference between battery cells in each of the battery packs is within the reference temperature difference value, the controller determines whether the temperature differences in all the battery packs are within the reference temperature difference value. Then when each of the temperature differences in all the battery packs are over the reference temperature difference value, an output of a cooling unit provided to cool that battery pack is changed.Type: ApplicationFiled: December 4, 2012Publication date: May 1, 2014Applicants: KIA MOTORS CORPORATION, HYUNDAI MOTOR COMPANYInventors: Gun Goo Lee, Hae Kyu Lim, Do Sung Hwang
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Patent number: 8709626Abstract: Disclosed is an apparatus for preventing overcharging of a battery. More specifically, a cell module in which cells are configured to be stacked and a plurality of cells are connected through electrode terminals and a fixing rod disposed between the cells is provided. A pressure plate, which is installed on the fixing rod to provide the appropriate reactive force, and an elastic member disposed on the side of the second end of the pressure plate is installed to provide elastic force to the pressure plate. The pressure plate is see-sawingly-rotated when the cell is expanded over a predetermined pressure accordingly to cut-off the power to the battery when the pressure within the battery exceeds the predetermined threshold.Type: GrantFiled: December 12, 2011Date of Patent: April 29, 2014Assignees: Hyundai Motor Company, Kia Motors CorporationInventor: Hae Kyu Lim
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Publication number: 20140062418Abstract: Disclosed herein is a safety apparatus for a battery module of an electric vehicle preventing an entire electrode of a battery cell from fracturing due to a swelling expansive force upon overcharging, the apparatus including an end plate and a power supply unit. The end plate is disposed at ends of both sides of a battery module, includes an opening, and delivers an expansive force generated in the battery module to the exterior through the opening upon swelling. The power supply unit is disposed in the end plate and interrupts a current supplied to the battery module using the expansive force delivered through the opening.Type: ApplicationFiled: November 29, 2012Publication date: March 6, 2014Applicants: Kia Motors Corporation, Hyundai Motor CompanyInventor: Hae Kyu Lim
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Publication number: 20140041449Abstract: Disclosed is a battery pack assembly including an apparatus for detecting water accumulation inside an installation region in which a battery pack is installed. The battery pack assembly includes a watertight case installed on a bottom surface of the water accumulation detecting apparatus and assembled with the battery pack therein. The water accumulation detecting apparatus includes a body including a water inlet opening through which water accumulated in the installation region flows in. A floating member floated by buoyancy of the water flowing in the body. A switch unit is configured to generate a current when the floating member increases up to or beyond a predetermined height. An elastic member is configured to connect the floating member and the bottom surface of the body so that the floating member is positioned at a predetermined position when buoyancy of the water does not affect to the floating member.Type: ApplicationFiled: December 13, 2012Publication date: February 13, 2014Applicants: KIA MOTORS CORPORATION, HYUNDAI MOTOR COMPANYInventors: Hae Kyu Lim, Yooncheol Jeon, Jeong Hun Seo, Yongjin Lee
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Publication number: 20140030565Abstract: Disclosed is a battery pack for a vehicle, including: a case configured to receive a battery. The case includes a recessed lower surface forming an air passage to allow air to flow from one side of a lower surface of the case to another side to cool the battery there above. A passage guide is formed by a cover coupled to a side surface of the case to form an air duct. The air duct extends at least from an upper end side to a lower end side of the case and a lower end of the air duct is connected to an inlet portion of the air passage formed on a lower surface of the case.Type: ApplicationFiled: November 28, 2012Publication date: January 30, 2014Applicants: Kia Motors Corporation, Hyundai Motor CompanyInventors: Hae Kyu Lim, Yoon Cheol Jeon
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Publication number: 20140023892Abstract: Disclosed herein is a battery cooling duct. The duct includes a suction portion disposed between a rear seat and a floor panel of a vehicle, an inlet of the suction portion fluidly communicating with an interior of the vehicle to suction interior air. An extension portion is formed by extending an outlet side of the suction portion to a rear of the vehicle, e.g. a trunk, between the rear seat and the floor panel, and defines a passageway configured to allow the interior air to pass therethrough. A discharge portion extends from an outlet of the extension portion to the rear of the vehicle, and discharges the interior air passed through the extension portion, through an outlet of the discharge portion to the battery of the vehicle.Type: ApplicationFiled: November 28, 2012Publication date: January 23, 2014Applicants: Kia Motors Corporation, Hyundai Motor CompanyInventors: Hae Kyu Lim, Yoon Cheol Jeon, Yong Jin Lee, Jeong Hun Seo