Patents by Inventor Hwan HUR
Hwan HUR 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: 11260488Abstract: Provided is a method of manufacturing a diamond knife for an ultra-microtome, including determining a shape and size of a knife, performing a multiphase flow analysis on movement of a droplet at a fore-end of the knife with the determined shape and size, processing a fine pattern to ensure hydrophobic property according to a result of the flow analysis, and grinding a blade of the knife after the processing of the fine pattern to minimize an interval between the pattern and the blade and, thus, a knife blade is always maintained in a wet state due to a droplet movement between a hydrophobic fine pattern and a hydrophilic surface to continuously generate ultrathin slices.Type: GrantFiled: May 31, 2018Date of Patent: March 1, 2022Assignee: KOREA BASIC SCIENCE INSTITUTEInventors: Hwan Hur, Geon-Hee Kim, Ji Yong Bae, Hee-Seok Kweon
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Patent number: 10935470Abstract: Provided is an ultra microtome device including: a specimen restraint part having a sample holder formed on one side in a length direction, wherein a specimen is mounted on the sample holder; a power part for providing power for implementing a motion of the specimen restraint part; an up and down motion implementing part including a first cam rotated by a force transmitted from the power part and a first shaft for implementing an up and down motion of the specimen restraint part in response to the rotation of the first cam; and a forward and backward motion implementing part including a second cam rotated by the force transmitted from the power part and a second shaft for implementing a forward and backward motion of the specimen restraint part in response to the rotation of the second cam, thereby implementing a more precise motion.Type: GrantFiled: October 31, 2019Date of Patent: March 2, 2021Assignee: KOREA BASIC SCIENCE INSTITUTEInventors: Hwan Hur, Hee-Seok Kweon, Kye-Sung Lee
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Patent number: 10858003Abstract: A vehicle transmission system may include an engine outputting power from fuel combustion, a transmission coupled to the engine and including at least one clutch to control torque input from the engine, an supercharger compressing an intake air and supplying the compressed intake air to the engine, and a control unit, where, when a predetermined acceleration condition is satisfied, the control unit is configured to operate the supercharger and to control the transmission according to a transmission clutch stroke operation map corresponding to the operation of the electric supercharger, to vary an engagement speed of the clutch when the supercharger is operated.Type: GrantFiled: October 3, 2019Date of Patent: December 8, 2020Assignees: Hyundai Motor Company, Kia Motors CorporationInventors: Sueng Ho Lee, Woochurl Son, Dong Hee Han, Yong Woo Shin, Jin San Kim, Chong Tae Yang, Choung Wan Son, Young Chan Gweon, Kijong Park, Young Chul Jeong, Dong Hyup Kang, Jihun Lee, Yeongseop Park, Cheol Ho Jang, Jihwan Byun, Wootae Kim, Jung Woo Kim, Han Ki Hong, Ki Been Lim, Changgi Yeo, Hwangbok Lee, Hwan Hur, Woo Jin Chang, Nag Geun Song, Bo Hee Lee
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Publication number: 20200353927Abstract: A vehicle transmission system may include an engine outputting power from fuel combustion, a transmission coupled to the engine and including at least one clutch to control torque input from the engine, an supercharger compressing an intake air and supplying the compressed intake air to the engine, and a control unit, where, when a predetermined acceleration condition is satisfied, the control unit is configured to operate the supercharger and to control the transmission according to a transmission clutch stroke operation map corresponding to the operation of the electric supercharger, to vary an engagement speed of the clutch when the supercharger is operated.Type: ApplicationFiled: October 3, 2019Publication date: November 12, 2020Applicants: Hyundai Motor Company, Kia Motors CorporationInventors: Sueng Ho LEE, Woochurl Son, Dong Hee Han, Yong Woo Shin, Jin San Kim, Chong Tae Yang, Choung Wan Son, Young Chan Gweon, Kijong Park, Young Chul Jeong, Dong Hyup Kang, Jihun Lee, Yeongseop Park, Cheol Ho Jang, Jihwan Byun, Wootae Kim, Jung Woo Kim, Han Ki Hong, Ki Been Lim, Changgi Yeo, Hwangbok Lee, Hwan Hur, Woo Jin Chang, Nag Geun Song, Bo Hee Lee
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Patent number: 10800421Abstract: A shift control method for a vehicle with a double clutch transmission (DCT) is configured such that when a power-on upshift is initiated, during a target time for a controller to perform a torque phase, a release-side clutch is gradually released, an engine torque is gradually increased to a basic engine torque or more, and an engagement-side clutch torque is increased according to an increase in the engine torque and a vehicle speed; and when the release-side clutch is completely released, the controller reduces the engine torque while gradually reducing the engagement-side clutch torque to be equal to the basic engine torque, to perform an inertia phase such that an engine speed is synchronized with an engagement-side clutch speed.Type: GrantFiled: July 16, 2019Date of Patent: October 13, 2020Assignees: Hyundai Motor Company, Kia Motors CorporationInventors: Sung Hyun Cho, Hwan Hur
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Publication number: 20200276976Abstract: A shift control method for a vehicle with a double clutch transmission (DCT) is configured such that when a power-on upshift is initiated, during a target time for a controller to perform a torque phase, a release-side clutch is gradually released, an engine torque is gradually increased to a basic engine torque or more, and an engagement-side clutch torque is increased according to an increase in the engine torque and a vehicle speed; and when the release-side clutch is completely released, the controller reduces the engine torque while gradually reducing the engagement-side clutch torque to be equal to the basic engine torque, to perform an inertia phase such that an engine speed is synchronized with an engagement-side clutch speed.Type: ApplicationFiled: July 16, 2019Publication date: September 3, 2020Applicants: Hyundai Motor Company, Kia Motors CorporationInventors: Sung Hyun CHO, Hwan Hur
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Publication number: 20200262430Abstract: A vehicle start control method includes: a condition determination step of determining, by a controller, whether or not it is necessary to control an engine torque in addition to a slip control of a clutch when a vehicle has started moving; and an engine control step of controlling, by the controller, the engine torque according to an engine error revolutions per minute (RPM) which is a difference between a target engine RPM and an actually measured engine RPM, when it is necessary to control the engine torque in addition to the slip control of the clutch.Type: ApplicationFiled: June 7, 2019Publication date: August 20, 2020Inventors: Jin Sung Kim, Hwan Hur, Sung Hyun Cho
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Patent number: 10723355Abstract: A vehicle start control method includes: a condition determination step of determining, by a controller, whether or not it is necessary to control an engine torque in addition to a slip control of a clutch when a vehicle has started moving; and an engine control step of controlling, by the controller, the engine torque according to an engine error revolutions per minute (RPM) which is a difference between a target engine RPM and an actually measured engine RPM, when it is necessary to control the engine torque in addition to the slip control of the clutch.Type: GrantFiled: June 7, 2019Date of Patent: July 28, 2020Assignees: Hyundai Motor Company, Kia Motors CorporationInventors: Jin Sung Kim, Hwan Hur, Sung Hyun Cho
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Publication number: 20200141837Abstract: Provided is an ultra microtome device including: a specimen restraint part having a sample holder formed on one side in a length direction, wherein a specimen is mounted on the sample holder; a power part for providing power for implementing a motion of the specimen restraint part; an up and down motion implementing part including a first cam rotated by a force transmitted from the power part and a first shaft for implementing an up and down motion of the specimen restraint part in response to the rotation of the first cam; and a forward and backward motion implementing part including a second cam rotated by the force transmitted from the power part and a second shaft for implementing a forward and backward motion of the specimen restraint part in response to the rotation of the second cam, thereby implementing a more precise motion.Type: ApplicationFiled: October 31, 2019Publication date: May 7, 2020Inventors: Hwan HUR, Hee-Seok KWEON, Kye-Sung LEE
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Publication number: 20180345437Abstract: Provided is a method of manufacturing a diamond knife for an ultra-microtome, including determining a shape and size of a knife, performing a multiphase flow analysis on movement of a droplet at a fore-end of the knife with the determined shape and size, processing a fine pattern to ensure hydrophobic property according to a result of the flow analysis, and grinding a blade of the knife after the processing of the fine pattern to minimize an interval between the pattern and the blade and, thus, a knife blade is always maintained in a wet state due to a droplet movement between a hydrophobic fine pattern and a hydrophilic surface to continuously generate ultrathin slices.Type: ApplicationFiled: May 31, 2018Publication date: December 6, 2018Inventors: Hwan HUR, Geon-Hee KIM, Ji Yong BAE, Hee-Seok KWEON
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Patent number: 10125827Abstract: A method of controlling a clutch for vehicle may include determining, by a controller, raised offset engine torque, when engine torque is raised to a reference torque or more in an engine idle state, and controlling, by the controller, the clutch based on the determined offset engine torque.Type: GrantFiled: October 25, 2016Date of Patent: November 13, 2018Assignee: Hyundai Motor CompanyInventors: Sung Hyun Cho, Hwan Hur, Jin Sung Kim
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Patent number: 10071739Abstract: An engine torque control method for a vehicle according to the present disclosure includes: sensing an engagement state of a clutch of the vehicle; calculating a slip index according to engine torque, engine revolutions per minute (RPM), clutch torque, and clutch RPM; and filter-controlling the engine torque based on the calculated slip index and the sensed engagement state of the clutch.Type: GrantFiled: March 10, 2016Date of Patent: September 11, 2018Assignee: Hyundai Motor CompanyInventors: Sung Hyun Cho, Hwan Hur, Jeong Ho Kim
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Patent number: 10006508Abstract: A method of controlling a clutch of a vehicle, by which the clutch can be controlled to reduce jerking impacts in the case of a sudden behavior in engine torque. An amount of APS opening and engine torque are received while the vehicle is cruising using driving force from an engine. When the amount of APS opening is smaller than a first reference value, the clutch is controlled to slip by controlling clutch torque to be smaller than engine torque. After controlling the clutch slip, when the engine acts as a load while the vehicle is cruising, the clutch is engaged by application of the clutch torque to the clutch.Type: GrantFiled: February 10, 2016Date of Patent: June 26, 2018Assignee: HYUNDAI MOTOR COMPANYInventors: Sung Hyun Cho, Hwan Hur, Ju Hyun Nam
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Patent number: 10001363Abstract: Provided is a common-path optical fiber-based handheld parallel optical coherence tomography (OCT) apparatus, including a probe configured to receive the light from a broadband light source and illuminate a measurement target, wherein the probe may include an inner space through which the light passes, a collimator configured to collimate the light incident to the inner space, a diffraction grating configured to diffract the light having passed through the collimator, a galvanometer scanner configured to reflect the light having passed through the diffraction grating, an objective lens configured to concentrate the reflected light on a focal point, and an interferer configured to acquire an interfered light by reflecting at least a portion of the light having passed through the objective lens.Type: GrantFiled: December 21, 2016Date of Patent: June 19, 2018Assignee: Korea Basic Science InstituteInventors: Kye Sung Lee, Gun Hee Kim, Hwan Hur, I Jong Kim, Ki Soo Chang
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Publication number: 20180128594Abstract: Provided is a common-path optical fiber-based handheld parallel optical coherence tomography (OCT) apparatusType: ApplicationFiled: December 21, 2016Publication date: May 10, 2018Inventors: Kye Sung LEE, Gun Hee KIM, Hwan HUR, I Jong KIM, Ki Soo CHANG
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Publication number: 20170370428Abstract: A method of controlling a clutch for vehicle may include determining, by a controller, raised offset engine torque, when engine torque is raised to a reference torque or more in an engine idle state, and controlling, by the controller, the clutch based on the determined offset engine torque.Type: ApplicationFiled: October 25, 2016Publication date: December 28, 2017Applicant: Hyundai Motor CompanyInventors: Sung Hyun CHO, Hwan HUR, Jin Sung KIM
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Patent number: 9835210Abstract: An apparatus and method of using the apparatus for learning a clutch torque of a Dual Clutch Transmission (DCT) includes judging whether shifting begins, controlling torque transmission of a coupling-side clutch and a release-side clutch to cross each other while following a coupling-side target clutch torque when shifting begins, and calculating and storing a learning value, after the controlling has begun, using a function determined by the relationship between an average value of an engine angular acceleration and a coupling-side shifter input-shaft angular acceleration, engine rotation inertia, and a torque compensated to the torque transmission of the coupling-side clutch for reducing a slippage of the release-side clutch by feedback control during a torque handover interval.Type: GrantFiled: November 10, 2015Date of Patent: December 5, 2017Assignees: Hyundai Motor Company, Kia Motors CorporationInventors: Sung Hyun Cho, Hwan Hur
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Patent number: 9822875Abstract: A shifting control method for a vehicle with a Double Clutch Transmission (DCT), may include determining whether a manual range power-on up shift has been started, determining whether an actual shifting period has been started, when the manual range power-on up shift has been started, and applying additional predetermined compensation torque to basic torque applied to an engagement-side clutch, when the actual shifting period has been started.Type: GrantFiled: March 25, 2015Date of Patent: November 21, 2017Assignees: Hyundai Motor Company, Kia Motors Corp.Inventors: Sung Hyun Cho, Hwan Hur
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Patent number: 9821658Abstract: A method for controlling vehicle creep driving includes learning, by a controller, a touch point of a clutch when a condition for creep driving is satisfied, changing, by the controller, an upper limit of a creep clutch torque, which is set as a permissible maximum torque of the clutch during creep driving, depending on the learned touch point, and controlling, by the controller, creep driving such that the creep clutch torque required for creep driving is set to be equal to or less than the changed upper limit of the creep clutch torque, and the creep clutch torque is output.Type: GrantFiled: December 2, 2016Date of Patent: November 21, 2017Assignee: HYUNDAI MOTOR COMPANYInventors: Jin Sung Kim, Hwan Hur
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Publication number: 20170114842Abstract: A method of controlling a clutch of a vehicle, by which the clutch can be controlled to reduce jerking impacts in the case of a sudden behavior in engine torque. An amount of APS opening and engine torque are received while the vehicle is cruising using driving force from an engine. When the amount of APS opening is smaller than a first reference value, the clutch is controlled to slip by controlling clutch torque to be smaller than engine torque. After controlling the clutch slip, when the engine acts as a load while the vehicle is cruising, the clutch is engaged by application of the clutch torque to the clutch.Type: ApplicationFiled: February 10, 2016Publication date: April 27, 2017Applicant: HYUNDAI MOTOR COMPANYInventors: Sung Hyun CHO, Hwan HUR, Ju Hyun NAM