Patents by Inventor Hwan Bang
Hwan Bang 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: 11286897Abstract: A control method of controlling an idle stop-and-go (ISG) function of a vehicle provided with a manual transmission includes: determining, by a controller, whether an ISG function activation condition is satisfied based on vehicle running state information of the vehicle; stopping an engine, by the controller, when the ISG activation condition is satisfied; determining, by the controller, whether a first starting condition in which a shift stage of the manual transmission is a neutral stage is satisfied; determining, by the controller, whether a second starting condition in which a shift stage of the manual transmission is a driving stage is satisfied; and restarting, by the controller, the engine when the first starting condition or the second starting condition is satisfied. The vehicle running state information includes: an operation information of the manual transmission and a clutch pedal, and current and recorded vehicle speeds of the vehicle.Type: GrantFiled: May 19, 2020Date of Patent: March 29, 2022Assignees: HYUNDAI MOTOR COMPANY, KIA MOTORS CORPORATIONInventor: Jung Hwan Bang
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Publication number: 20220055630Abstract: A method for measuring a slope angle of a vehicle includes, by a controller: determining whether or not a speed of the vehicle is 0 based on a speed signal received from a vehicle speed sensor of the vehicle; measuring an extremal value measured first, an extremal value measured second, and an extremal value measured third among extremal values of an output signal of an acceleration sensor detecting a signal corresponding to the slope angle of the vehicle when the speed of the vehicle is 0; verifying whether or not the measured three extremal values satisfy conditions of the extremal values based on reference conditions of each of the extremal values; estimating a steady state value of the output signal of the acceleration sensor, based on the extremal values measured first and second among the verified three extremal values and a dynamic characteristic parameter of the vehicle or based on the verified three extremal values; and converting the steady state value into the slope angle of the vehicle.Type: ApplicationFiled: December 1, 2020Publication date: February 24, 2022Applicants: HYUNDAI MOTOR COMPANY, KIA MOTORS CORPORATIONInventors: Tae Suk Lee, Young Ho Jung, Seongkyu Park, Min Young Jung, Jung Hwan Bang
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Publication number: 20220009477Abstract: A mild hybrid vehicle and a method of controlling the same are provided. The mild hybrid vehicle includes a sensor that detects shift intention of a driver to provide the shift intention as sensing information, a controller that determines a target rotation speed of an MHSG based on the sensing information and controls the MHSG based on the target rotation speed, and the MHSG that controls the rotation speed of the engine under control of the controller when the shift intention is detected.Type: ApplicationFiled: November 9, 2020Publication date: January 13, 2022Applicants: HYUNDAI MOTOR COMPANY, KIA MOTORS CORPORATIONInventors: Tae Suk Lee, Young Ho Jung, Jung Hwan Bang
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Patent number: 11125200Abstract: A control method for a Start Stop Coasting (SSC) function and an Stop and Go (ISG) function of a manual transmission vehicle includes: determining, by a controller, whether an SSC activation condition is satisfied based on vehicle running state information; stopping, by the controller, an engine and disengaging a clutch to activate the SSC function when the controller determines that the SSC activation condition is satisfied; determining, by the controller, whether a first ISG operation is satisfied based on the vehicle running state information in the state that the SSC function is activated; and deactivating, by the controller, the SSC function and activating the ISG function when the controller determines that the first ISG operation condition is satisfied.Type: GrantFiled: May 20, 2020Date of Patent: September 21, 2021Assignees: HYUNDAI MOTOR COMPANY, KIA MOTORS CORPORATIONInventors: Jung Hwan Bang, Jun Yong Lee
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Publication number: 20210269708Abstract: A metamaterial shell architected on a core particle (comprising organic or inorganic material) so as to form a novel class of structurally hierarchical particle that has degrees of freedom in design parameters stemming from effective optical response of the metamaterial shell and from the electromagnetic modes in the core to elicit optical behaviours that are not easily achievable and designable in particles having simpler or smoother geometries.Type: ApplicationFiled: March 1, 2021Publication date: September 2, 2021Applicants: California Institute of Technology, Regents of the University of MichiganInventors: Alireza Marandi, Joon Hwan Bang, Saman Jahani, Nicholas Kotov, Douglas G. Montjoy
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Publication number: 20210218868Abstract: The camera module according to the embodiment includes a circuit board on which an image sensor is disposed, a lens unit disposed in front of a sensor surface of the image sensor, a housing accommodating the lens unit and the image sensor, disposed on the circuit board and a gyro sensor sensing the motion. The circuit board may include a first circuit board on which the image sensor is disposed, and a second circuit board on which the gyro sensor is disposed. The first circuit board may be disposed extending in a first axis direction, and the second circuit board may be disposed extending in a direction parallel to the optical axis direction while perpendicular to the first axis. The central axis of the gyro sensor may be parallel to the first axis direction but perpendicular to the optical axis direction.Type: ApplicationFiled: May 14, 2019Publication date: July 15, 2021Applicant: LG INNOTEK CO., LTD.Inventors: Tae Kyung KIM, Jung Hwan BANG, Young Bae JANG
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Patent number: 11028813Abstract: A method for controlling a vehicle includes: receiving a detection signal required to perform an idle stop and go (ISG) function; and controlling the vehicle to enter into an ISG state where a fuel supply to an engine is cut off and the engine stops when the vehicle decelerates or stops in response to the detection signal. The detection signal includes a fuel cut off signal in on state when the vehicle decelerates and in off state at a reference revolution number of the engine, a gear engagement signal, a clutch pedal signal indicating whether a clutch pedal operating a clutch is operated, and a brake pedal signal indicating whether a brake pedal is operated. A controller generates an ISG entry signal based on the fuel cut off signal, the gear engagement signal, the clutch pedal signal, and the brake pedal signal to enter the vehicle into the ISG state.Type: GrantFiled: June 15, 2018Date of Patent: June 8, 2021Assignees: HYUNDAI MOTOR COMPANY, KIA MOTORS CORPORATIONInventors: Jung Hwan Bang, Young Ho Jung, Tae Suk Lee
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Patent number: 10968755Abstract: A gas turbine vane includes a sidewall having a plurality of film holes formed therein and defining an airfoil having a leading edge and a trailing edge, a cut-back formed at the trailing edge of the airfoil defined by the sidewall, an insert spaced apart from an inner surface of the sidewall and installed within the sidewall while having a plurality of insert holes formed therein, and a plurality of posts extending from the sidewall. The plurality of insert holes are formed in a plurality of rows, the insert holes of each row are arranged at a distance from the leading edge to the trailing edge, and a surface of the insert is positioned on the posts.Type: GrantFiled: December 7, 2017Date of Patent: April 6, 2021Assignee: Doosan Heavy Industries Construction Co., LtdInventor: Myeong Hwan Bang
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Publication number: 20210086743Abstract: A control method for an SSC function and an ISG function includes: determining, by a controller, whether a SSC activation condition is satisfied based on a vehicle running state information; stopping, by the controller, an engine and activating the SSC function by controlling a transmission to neutral when the SSC activation condition is satisfied; determining, by the controller, whether a first ISG operation condition including a first reference vehicle speed is satisfied based on the vehicle running state information in a state that the SSC function is activated; and deactivating, by the controller, the SSC function and activating the ISG function when it is determined that the first ISG operation condition is satisfied.Type: ApplicationFiled: May 12, 2020Publication date: March 25, 2021Applicants: HYUNDAI MOTOR COMPANY, KIA MOTORS CORPORATIONInventors: Jung Hwan BANG, Jun Yong LEE
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Publication number: 20210088017Abstract: A control method for a Start Stop Coasting (SSC) function and an Stop and Go (ISG) function of a manual transmission vehicle includes: determining, by a controller, whether an SSC activation condition is satisfied based on vehicle running state information; stopping, by the controller, an engine and disengaging a clutch to activate the SSC function when the controller determines that the SSC activation condition is satisfied; determining, by the controller, whether a first ISG operation is satisfied based on the vehicle running state information in the state that the SSC function is activated; and deactivating, by the controller, the SSC function and activating the ISG function when the controller determines that the first ISG operation condition is satisfied.Type: ApplicationFiled: May 20, 2020Publication date: March 25, 2021Applicants: HYUNDAI MOTOR COMPANY, KIA MOTORS CORPORATIONInventors: Jung Hwan BANG, Jun Yong LEE
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Publication number: 20210088016Abstract: A control method of controlling an idle stop-and-go (ISG) function of a vehicle provided with a manual transmission includes: determining, by a controller, whether an ISG function activation condition is satisfied based on vehicle running state information of the vehicle; stopping an engine, by the controller, when the ISG activation condition is satisfied; determining, by the controller, whether a first starting condition in which a shift stage of the manual transmission is a neutral stage is satisfied; determining, by the controller, whether a second starting condition in which a shift stage of the manual transmission is a driving stage is satisfied; and restarting, by the controller, the engine when the first starting condition or the second starting condition is satisfied. The vehicle running state information includes: an operation information of the manual transmission and a clutch pedal, and current and recorded vehicle speeds of the vehicle.Type: ApplicationFiled: May 19, 2020Publication date: March 25, 2021Applicants: HYUNDAI MOTOR COMPANY, KIA MOTORS CORPORATIONInventor: Jung Hwan BANG
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Patent number: 10920731Abstract: A method for controlling a vehicle includes: receiving a detection signal to perform an idle stop and go (ISG) function; and controlling the vehicle to enter into an ISG state where a fuel supply to an engine is cut off and the engine stops when the vehicle decelerates or stops in response to the detection signal. The detection signal includes a fuel cut off signal that is in on state when the vehicle decelerates and in off state at a reference revolution per minute (RPM) of the engine, a gear engagement signal, and a brake pedal signal indicating whether the brake pedal of the vehicle is operated. A controller of the vehicle generates an ISG entry signal based on the fuel cut off signal, the gear engagement signal, and the brake pedal signal to enter the vehicle into the ISG state.Type: GrantFiled: June 19, 2018Date of Patent: February 16, 2021Assignees: HYUNDAI MOTOR COMPANY, KIA MOTORS CORPORATIONInventors: Jung Hwan Bang, Young Ho Jung, Tae Suk Lee
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Publication number: 20210024071Abstract: An idle stop and go (ISG) control method for a vehicle provided with a manual transmission includes: determining, by a controller, whether a first operation determination condition is satisfied based on a bottom signal from a clutch pedal sensor, a brake pedal operation signal, and a first vehicle speed signal condition; determining, by the controller, whether a second operation determination condition is satisfied based on the bottom signal, the brake pedal operation signal, and a second vehicle speed signal condition; stopping, by the controller, an engine of the vehicle when the first operation determination condition or the second operation determination condition is satisfied; determining, by the controller, whether a first restart condition is satisfied based on a top signal or the bottom signal from the clutch pedal sensor; and restarting, by the controller, the engine when the first restart condition is satisfied.Type: ApplicationFiled: March 19, 2020Publication date: January 28, 2021Applicants: HYUNDAI MOTOR COMPANY, KIA MOTORS CORPORATIONInventors: Jung Hwan BANG, Young Ho JUNG, Tae Suk LEE
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Publication number: 20200394978Abstract: A gate driver for a display device includes: a clock signal line to transfer a clock signal; and a plurality of stages to sequentially output a gate signal based upon the clock signal in response to a carry signal. The plurality of stages include a plurality of thin film transistors, and at least one of the plurality of thin film transistors includes a thin film transistor including an oxide semiconductor. The at least one thin film transistor includes a first gate electrode and a second gate electrode disposed in different layers, the oxide semiconductor is disposed between the first gate electrode and the second gate electrode, and the first gate electrode and the second gate electrode are connected to receive a common voltage signal.Type: ApplicationFiled: March 4, 2020Publication date: December 17, 2020Inventors: Sung Hoon LIM, Kang Nam KIM, Seok Hwan BANG, Sung Hwan WON, Woo Geun LEE, Kyu Sik CHO, Soo Jung CHAE
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Patent number: 10837289Abstract: A gas turbine blade includes a plurality of guide ribs spaced apart from each other in a movement direction of a cooling fluid in order to guide movement of the cooling fluid flowing along a cooling passage formed in the turbine blade, and an opening formed in each of the guide ribs in order to guide a portion of the cooling fluid to a bottom of the cooling passage between the guide ribs or to side walls adjacent to the bottom.Type: GrantFiled: December 21, 2016Date of Patent: November 17, 2020Assignee: Doosan Heavy Industries Construction Co., Ltd.Inventors: Myeong Hwan Bang, Ik Sang Lee
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Patent number: 10765194Abstract: The present invention relates to a method of preparing a dry hydrogel sheet including the steps of: preparing a cellulose ether dispersion solution; transferring the dispersion solution to a coater while maintaining the temperature of the dispersion solution in the range of a gelation temperature of the dispersion solution to a boiling point of a dispersion medium; applying the dispersion solution transferred to the coater as a sheet; preparing a hydrogel sheet by cooling the applied dispersion solution to induce gelation; and drying the hydrogel sheet. Since the dry hydrogel sheet prepared by the method has a low moisture content, it is possible to ensure the stability of active ingredients, quantify functional components to be applied to the dry hydrogel sheet, and ensure the uniformity of the surface appearance and thickness of the dry hydrogel sheet, which results in the improvement of the quality of a final product.Type: GrantFiled: October 27, 2016Date of Patent: September 8, 2020Assignee: LOTTE FINE CHEMICAL CO., LTD.Inventors: Ji Seon Jeong, Ju Hee Shin, Sung Hwan Bang, Ju Young Jung, Kil Seuk Byun, Kyong Min Lee
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Publication number: 20200253841Abstract: A composition for a hydrogel sheet may include a cellulose ether, a gelling agent, and a gelling promoter, where an aqueous 2 wt % solution of the cellulose either may have a viscosity of 3 cps to 300 cps, as measured under a condition of 20 ° C. using an Ubbelohde viscometer. The gelling agent may include one or more selected from the group consisting of carrageenan, locust bean gum, mannose, and water chestnut flour.Type: ApplicationFiled: March 3, 2020Publication date: August 13, 2020Applicant: LOTTE FINE CHEMICAL CO., LTD.Inventors: Ju Hee Shin, Ji Seon Jeong, Sung Hwan Bang, Ju Young Jung
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Patent number: 10633982Abstract: A gas turbine includes a housing; a rotor rotatably provided in the housing; a turbine blade to receive rotating force from combustion gas and rotate the rotor; a turbine vane to guide a flow of the combustion gas toward the turbine blade, the turbine vane having a turbine vane cooling passage for delivering cooling fluid to an inner wall of the turbine vane; and an impingement plate installed in the turbine vane cooling passage, the impingement plate having a plurality of injection holes through which the cooling fluid is injected onto the inner wall of the turbine vane, the injection holes formed at predetermined locations of the impingement plate, wherein the injection holes are formed differently depending on locations of the injection holes. A temperature gradient or thermal stress may be prevented from occurring in the turbine vane that is cooled by cooling fluid ejected from the impingement plate.Type: GrantFiled: June 27, 2018Date of Patent: April 28, 2020Assignee: Doosan Heavy Industries Construction Co., LtdInventor: Myeong Hwan Bang
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Patent number: 10617608Abstract: The present invention relates to a composition for a hydrogel sheet including a cellulose ether, a gelling agent, and a gelling promoter, a hydrogel sheet prepared therefrom, and a method of preparing the hydrogel sheet. According to the present invention, the composition for a hydrogel sheet can be used to prepare a hydrogel sheet capable of maintaining the shape thereof without a support by limiting a type of the gelling agent and/or a viscosity of the cellulose ether included in the composition.Type: GrantFiled: September 23, 2016Date of Patent: April 14, 2020Assignee: LOTTE FINE CHEMICAL CO., LTD.Inventors: Ju Hee Shin, Ji Seon Jeong, Sung Hwan Bang, Ju Young Jung
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Patent number: 10604894Abstract: The present invention provides a method of carbonating carbon dioxide with high purity using a paper mill waste sludge by preparing a paper mill waste sludge which is a waste product discharged during the production of papermaking, adding acid to the paper mill waste sludge and reacting the acid therewith to produce a mixed solution and stirring, separating a supernatant of the mixed solution into an eluate, adding a basic substance to the eluate and adjusting pH to precipitate some of the ions in the eluate, and then adding a reaction initiator to the eluate in which some ions are precipitated and removed, and injecting carbon dioxide for a carbonation reaction.Type: GrantFiled: November 9, 2017Date of Patent: March 31, 2020Assignee: Korea Institute of Geoscience and Mineral ResourcesInventors: Chi-Wan Jeon, Sang-Won Park, Jun-Hwan Bang, Kyung-Sun Song, Seung-Woo Lee, Hwan-Ju Jo