Patents Assigned to Kia Motors Corp.
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Patent number: 10527167Abstract: A method for controlling a pulley of a vehicle having a continuously variable transmission may include: determining, by a controller, a pulley target torque and a target pulley ratio, upon detecting disturbance of the vehicle; determining, by the controller, target pressures of a driving pulley and a driven pulley based on the pulley target torque and the target pulley ratio and comparing the target pressures with each other; and controlling, by the controller, a pressure of a pulley having a larger target pressure in the comparing to be a maximum pressure generatable depending on a traveling situation of the vehicle and controlling a pressure of the other pulley to be increased to a correction pressure for implementing the target pulley ratio.Type: GrantFiled: September 17, 2018Date of Patent: January 7, 2020Assignees: Hyundai Motor Company, Kia Motors Corp.Inventor: Jin Young Hwang
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Patent number: 10508592Abstract: A variable geometry turbocharger (VGT) for a vehicle, may include a turbine wheel; a turbine housing configured to rotatably support the turbine wheel, and provided with a passage for receiving exhaust gas from a radially external side of the turbine wheel and discharging the exhaust gas in an axial direction of the turbine wheel; a disk body provided in the passage of the turbine housing, and provided therein with a bypass line such that the exhaust gas bypasses the turbine wheel; and a plurality of vanes provided between the disk body and the turbine housing to form a variable nozzle for controlling a flow of the exhaust gas flowing radially inwardly of the turbine wheel.Type: GrantFiled: August 31, 2018Date of Patent: December 17, 2019Assignees: Hyundai Motor Company, Kia Motors Corp.Inventor: Seok Beom Jin
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Patent number: 10501046Abstract: An airbag apparatus for a vehicle may include an airbag cushion configured to be provided with a vent hole for discharging inflation gas therein to the outside; a flap configured to have an external circumferential surface partially coupled to the airbag cushion along a rim of the vent hole; and a tether configured to have one end portion penetrating through the vent hole of the airbag cushion to be coupled to an internal side surface of the flap and be partially supported on an internal side surface of the airbag cushion to pull the flap when the airbag cushion is fully deployed, to close the vent hole and release a tensile force when the airbag cushion is loaded to deploy the flap outwardly of the airbag cushion by the inflation gas, to open the vent hole.Type: GrantFiled: November 1, 2017Date of Patent: December 10, 2019Assignees: Hyundai Motor Company, Kia Motors Corp.Inventors: Kyung Taek Lim, Jun Yeol Choi, Jae Ho Choi
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Publication number: 20190360391Abstract: A method of preventing surge for a vehicle may include detecting, by a controller, whether tip-out of an accelerator pedal is detected, comparing, by the controller, a difference value, obtained by subtracting an exhaust pressure from an intake pressure in a combustion chamber of an engine, with a predetermined reference value when the tip-out of the accelerator pedal is detected, driving, by the controller, a supercharger disposed at the rear end portion of a turbocharger at a predetermined number of revolutions per minute, which is lower than a normal number of revolutions per minute, when the difference value is greater than the reference value, and opening a bypass valve, which performs opening or closing operation and is disposed in a bypass line that diverges from an upstream point of the supercharger and is connected to a downstream point of the supercharger.Type: ApplicationFiled: September 5, 2018Publication date: November 28, 2019Applicants: Hyundai Motor Company, Kia Motors Corp.Inventors: Seung Eun YU, Haeng Pyo Heo, Min Taek Kim
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Patent number: 10487754Abstract: A variable-compression-ratio engine may include a piston pin configured to interconnect a piston and an end portion of a connecting rod; an eccentric cam rotatably provided around the end portion of the connecting rod so that the piston pin is provided eccentrically to the eccentric cam, the eccentric cam serving to eccentrically rotate the piston pin via rotation thereof to vary a height of a top dead point of the piston; a latching plate configured to eject an oil, supplied thereinto, outwards in a circumferential direction through an oil ejection hole formed in an external peripheral surface thereof, to be rotated by an ejection pressure of the oil, the latching plate being rotated with the eccentric cam; and an oil supply device configured to selectively supply the oil into the latching plate.Type: GrantFiled: August 3, 2018Date of Patent: November 26, 2019Assignees: Hyundai Motor Company, Kia Motors Corp.Inventor: Myung Sik Choi
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Patent number: 10483900Abstract: A system for controlling an inverter may include a motor; then inverter including a plurality of switching elements turned on/off by a pulse width modulation signal, converting DC power into AC power according to on/off of the plurality of switching elements and providing the AC power to the motor; a current sensor for detecting and outputting a current provided to the motor; a rotation angle sensor for detecting and outputting a rotor angle of the motor; and a controller for performing duty determination control for determining a duty of the pulse width modulation signal on the basis of values detected by the current sensor and the rotation angle sensor and a torque command of the motor.Type: GrantFiled: September 17, 2018Date of Patent: November 19, 2019Assignees: Hyundai Motor Company, Kia Motors Corp.Inventors: Joo Young Park, Mu Shin Kwak, Jae Ho Hwang, Su Hyun Bae, Yong Jae Lee, Sung Kyu Kim
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Publication number: 20190344618Abstract: A constant velocity joint assembly integrated with a wheel hub device may include an internal race coupled to an end portion of a driveshaft, a plurality of joint balls held in the internal race, and a hub housing accommodating and coupling the internal race holding the joint balls therein, with a bearing coupled to an external circumferential surface thereof, the hub housing provided as an external race of a constant velocity joint and the wheel hub device.Type: ApplicationFiled: August 24, 2018Publication date: November 14, 2019Applicants: Hyundai Motor Company, Kia Motors Corp., HYUNDAI WAI CorporationInventors: Won Jun CHOI, Hee IL KIM, Kong Sup JUNG, Ki Dong PARK, Chang Hee JEONG, Bum Jae LEE
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Publication number: 20190338711Abstract: A variable-compression-ratio engine may include a piston pin configured to interconnect a piston and an end portion of a connecting rod; an eccentric cam rotatably provided around the end portion of the connecting rod so that the piston pin is provided eccentrically to the eccentric cam, the eccentric cam serving to eccentrically rotate the piston pin via rotation thereof to vary a height of a top dead point of the piston; a latching plate configured to eject an oil, supplied thereinto, outwards in a circumferential direction through an oil ejection hole formed in an external peripheral surface thereof, to be rotated by an ejection pressure of the oil, the latching plate being rotated with the eccentric cam; and an oil supply device configured to selectively supply the oil into the latching plate.Type: ApplicationFiled: August 3, 2018Publication date: November 7, 2019Applicants: Hyundai Motor Company, Kia Motors Corp.Inventor: Myung Sik CHOI
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Publication number: 20190338698Abstract: A variable geometry turbocharger (VGT) for a vehicle, may include a turbine wheel; a turbine housing configured to rotatably support the turbine wheel, and provided with a passage for receiving exhaust gas from a radially external side of the turbine wheel and discharging the exhaust gas in an axial direction of the turbine wheel; a disk body provided in the passage of the turbine housing, and provided therein with a bypass line such that the exhaust gas bypasses the turbine wheel; and a plurality of vanes provided between the disk body and the turbine housing to form a variable nozzle for controlling a flow of the exhaust gas flowing radially inwardly of the turbine wheel.Type: ApplicationFiled: August 31, 2018Publication date: November 7, 2019Applicants: Hyundai Motor Company, Kia Motors Corp.Inventor: Seok Beom JIN
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Patent number: 10449816Abstract: A bracket apparatus for a composite spring, may include a lower bracket disposed to come into contact with a composite spring when a U-bolt is fastened to a nut; an upper bracket disposed above the lower bracket so as not to be decoupled therefrom by the nut; and an elastic member disposed between the lower bracket and the upper bracket to provide a force such that the lower and upper brackets move away from each other.Type: GrantFiled: November 15, 2017Date of Patent: October 22, 2019Assignees: Hyundai Motor Company, Kia Motors Corp.Inventor: Seung Hyun Oh
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Patent number: 10449923Abstract: A roof airbag for a vehicle may include an inflator at a first end portion of a front and a rear end portions of a sunroof frame configured to discharge deployment gas when activated; a reinforcement member connecting a first and a second side of the sunroof frame at a position between the front and the rear end portions of the sunroof frame; and an airbag cushion at the first end portion of the front and the rear end portions of the sunroof frame in a folded state, and configured with a first chamber configured to cover from the first end portion of the front and the rear end portions of the sunroof frame to a position before reaching the reinforcement member and a second chamber configured to cover from the reinforcement member to the second end portion of the front and the rear end portions of the sunroof frame.Type: GrantFiled: November 6, 2017Date of Patent: October 22, 2019Assignees: Hyundai Motor Company, Kia Motors Corp., Hyundai Mobis Co., Ltd.Inventors: Yu Ji Son, Seok Min Lee, Byung Ho Min, Hea Kwon Park, Kyu Sang Lee
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Publication number: 20190315280Abstract: A luggage compartment screen apparatus of a vehicle may include a moving housing movable along guide rails; a push mechanism to be drawn out or drawn in from the moving housing toward the luggage compartment and be rotatable and formed to have a step in a rotation direction thereof; and a locking mechanism rotatably disposed on the moving housing to be configured to be selectively locked to the guide rail, formed to have a step in a drawn-out and drawn-in direction of the push mechanism, and having a stepped portion in contact with a stepped portion of the push mechanism to be rotated to be locked to the guide rail at the time of a drawn-in operation or a rotation operation of the push mechanism and be rotated to be separated from the guide rail at the time of a drawn-out operation of the push mechanism.Type: ApplicationFiled: August 20, 2018Publication date: October 17, 2019Applicants: Hyundai Motor Company, Kia Motors CorpInventors: Jang Hyun CHO, Won Jong Lee, Hee Cheol Kim, Dong Hwan Kim, Dong Ha Lee
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Publication number: 20190316512Abstract: A cooling system for an engine, may include a low temperature radiator; an intercooler installed to receive a coolant cooled from the low temperature radiator and restore the coolant to the low temperature radiator again after heat exchange; a water pump installed to supply the coolant to the intercooler by pumping the coolant cooled from the low temperature radiator; a motorized supercharger installed to receive the coolant from the intercooler; and a reservoir installed to store the coolant passing through the motorized supercharger and deliver the coolant to a coolant line between the low temperature radiator and the water pump.Type: ApplicationFiled: August 31, 2018Publication date: October 17, 2019Applicants: Hyundai Motor Company, Kia Motors Corp.Inventor: Dong Ho CHU
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Publication number: 20190315332Abstract: A transmission for an electric vehicle, may include a concentric deceleration device for receiving power from a motor shaft and for decelerating; an output shaft disposed in parallel with the input shaft; a hollow shaft rotatably provided on the input shaft; a clutch device provided to switch the transmission state of power from the input shaft to the hollow shaft; a first synchronizer having a hub fixed to the input shaft; a second synchronizer having a hub fixed to the hollow shaft; a plurality of driving gears having different sizes and provided on the input shaft and the hollow shaft to be engaged with at least one of the first synchronizer and the second synchronizer; and a plurality of driven gears provided on the output shaft to be engaged with the plurality of driving gears to form different shift ratios, respectively.Type: ApplicationFiled: July 16, 2018Publication date: October 17, 2019Applicants: Hyundai Motor Company, Kia Motors Corp.Inventors: Ma Ru Kang, Sun Sung Kwon, Yong Uk Shin, Seong Wook Ji, Soon Ki Eo, Chon Ok Kim, Il Han Yoo, Min Ho Chae, Yong Sug Choi, Ki Tae Kim
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Patent number: 10436317Abstract: An apparatus for imparting an operating feeling of a gear shift mechanism to a driver, may include a housing having an accommodating space, a bullet portion disposed in the accommodating space to operate in a longitudinal direction of the accommodating space, wherein the bullet portion has a head part on an upper portion thereof, and an elastic member disposed between the head part and the accommodating space to operate to allow the bullet portion to be elastically moved in and out of the accommodating space. The head part has a sliding protrusion and the accommodating space has a sliding groove having a shape to correspond to that of the sliding protrusion.Type: GrantFiled: August 4, 2017Date of Patent: October 8, 2019Assignees: Hyundai Motor Company, Kia Motors Corp.Inventors: Du Eon Kim, Yang Rae Cho, Min Gi Song, Joon Young Park, Sun Il Kim
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Publication number: 20190301323Abstract: A vehicle muffler may include first to third baffles to partition the internal to a housing into first to fourth chambers; a suction tube penetrating the housing, the first to third baffles in series, having an inlet at outside of the housing and an outlet in the fourth chamber, and having through-holes in the section locating in the first to third chambers; a first discharge tube penetrating the first and second baffles and the housing in series, having an inlet on the first baffle, and an outlet at outside of the housing; a second discharge tube penetrating the second and third baffles, and the housing in series, having an inlet in the second chamber, and an outlet at the outside of the housing; and a connection tube penetrating the second and third baffles in series, having an inlet in the second chamber, and an outlet in the fourth chamber.Type: ApplicationFiled: July 12, 2018Publication date: October 3, 2019Applicants: Hyundai Motor Company, Kia Motors Corp.Inventor: Hyeon Gyun AHN
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Patent number: 10427714Abstract: A steering-feel control device in a steer-by-wire system may include a pressure member for rotating in a predetermined direction or an opposite direction within a rotation path depending on the rotation direction of a steering wheel, a push block rotatably provided in the rotation path of the given or opposite direction, a first elastic member for providing elastic restoration force in the rotation direction of the pressure member for elastic variation in the rotational displacement between the pressure member and the push block, and a second elastic member for providing elastic restoration force in the rotation direction of the push block for elastic variation in the rotational displacement when the push block is rotated away from the pressure member, the second elastic member having an elastic constant smaller than that of the first elastic member and being provided in a pre-compressed state to have elastic force greater than that of the first elastic member.Type: GrantFiled: June 30, 2017Date of Patent: October 1, 2019Assignees: Hyundai Motor Company, Kia Motors Corp.Inventors: Sang Woo Hwang, Young Dae Park, Byung Rim Lee, Min Jun Kim, Se Hyun Chang, Hyeon Seok Cho
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Publication number: 20190293176Abstract: A method for controlling a pulley of a vehicle having a continuously variable transmission may include: determining, by a controller, a pulley target torque and a target pulley ratio, upon detecting disturbance of the vehicle; determining, by the controller, target pressures of a driving pulley and a driven pulley based on the pulley target torque and the target pulley ratio and comparing the target pressures with each other; and controlling, by the controller, a pressure of a pulley having a larger target pressure in the comparing to be a maximum pressure generatable depending on a traveling situation of the vehicle and controlling a pressure of the other pulley to be increased to a correction pressure for implementing the target pulley ratio.Type: ApplicationFiled: September 17, 2018Publication date: September 26, 2019Applicants: Hyundai Motor Company, Kia Motors Corp.Inventor: Jin Young HWANG
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Publication number: 20190266813Abstract: A method of predicting a driving condition of a vehicle may include selecting a first prediction position where a vehicle is predicted to pass afterward while driving and predicting a predicted driving condition of the vehicle at the first prediction position; when the vehicle reaches the first prediction position, measuring a real driving condition of the vehicle at the first prediction position; and predicting a predicted driving condition at a second prediction position where the vehicle is predicted to pass afterward by reflecting an error between the predicted driving condition at the first prediction position and the real driving condition at the first prediction position.Type: ApplicationFiled: July 27, 2018Publication date: August 29, 2019Applicants: Hyundai Motor Company, Kia Motors Corp.Inventors: Byeong Wook JEON, Kwang Hee PARK, Jae Chang KOOK, Sang Jun PARK
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Publication number: 20190260326Abstract: A system for controlling an inverter may include a motor; then inverter including a plurality of switching elements turned on/off by a pulse width modulation signal, converting DC power into AC power according to on/off of the plurality of switching elements and providing the AC power to the motor; a current sensor for detecting and outputting a current provided to the motor; a rotation angle sensor for detecting and outputting a rotor angle of the motor; and a controller for performing duty determination control for determining a duty of the pulse width modulation signal on the basis of values detected by the current sensor and the rotation angle sensor and a torque command of the motor.Type: ApplicationFiled: September 17, 2018Publication date: August 22, 2019Applicants: Hyundai Motor Company, Kia Motors Corp.Inventors: Joo Young PARK, Mu Shin KWAK, Jae Ho HWANG, Su Hyun BAE, Yong Jae LEE, Sung Kyu KIM