Patents by Inventor Back-Sik Kim
Back-Sik Kim 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: 10563550Abstract: A continuous variable valve duration apparatus includes a camshaft, a plurality of wheels mounted to the camshaft, and a wheel pin, a plurality of cam portions of which a cam and a cam pin are formed thereto respectively, of which the camshaft is inserted thereto, and of which relative phase angle with respect to the camshaft is variable a plurality of inner brackets including a first pin guide hole and a second pin guide hole and a wheel pin connected to the wheel respectively and a cam pin connected to the cam respectively are slidably inserted into the first pin guide hole and the second pin guide hole respectively, a plurality of a slider housings of which the each inner bracket is rotatably inserted thereto respectively, and rotatably configured around a hinge hole formed a side of a cam cap and a control portion selectively moving the slider housings.Type: GrantFiled: November 13, 2015Date of Patent: February 18, 2020Assignee: Hyundai Motor CompanyInventors: You Sang Son, Kyoung Pyo Ha, Back Sik Kim
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Patent number: 10563551Abstract: A continuous variable valve duration apparatus may include a camshaft, a cam unit on which a cam is formed, of which the camshaft is inserted thereto and of which a relative phase angle with respect to the camshaft is variable, an inner bracket transmitting rotation of the camshaft to the cam unit, a wheel housing in which the inner bracket is rotatably inserted, on which a guide groove parallel to the camshaft is formed, and on which a guide hole vertical to the camshaft is formed, a guide portion including a guide shaft inserted into the guide hole for guiding movement of the wheel housing and a control portion including a control shaft disposed parallel to the camshaft and inserted into the guide groove, and the control portion selectively rotating the control shaft for the relative position of the wheel housing with respect to the camshaft to be changed.Type: GrantFiled: November 8, 2017Date of Patent: February 18, 2020Assignees: Hyundai Motor Company, Kia Motors CorporationInventors: You Sang Son, Ingee Suh, Kiyoung Kwon, In Sang Ryu, Kyoung Pyo Ha, Dongheon Park, Wootae Kim, Back Sik Kim, Seung Jae Lee
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Patent number: 10556496Abstract: A power train apparatus may include an engine including a crankshaft and an engine block, a motor housing connected to the engine block and of which a housing opening is formed, a rotor portion connected to the crankshaft through the housing opening, of which a magnet is connected to a first side thereof and the rotor portion to which a balance portion is formed for compensating for imbalance rotational energy transmitted from the crankshaft; a stator portion disposed between the rotor portion and the motor housing and connected to the motor housing and a transmission connected to the engine block.Type: GrantFiled: December 9, 2016Date of Patent: February 11, 2020Assignee: Hyundai Motor CompanyInventors: You Sang Son, Ingee Suh, Jae Bum Park, Kyoung Pyo Ha, Jeong Soo Eo, Back Sik Kim, Yeonho Kim
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Patent number: 10550738Abstract: A continuously variable valve duration apparatus may include: a camshaft; a cam unit on which a cam is formed, and the camshaft inserted to the cam; an inner wheel for transmitting rotation of the camshaft to the cam unit; a wheel housing into which the inner wheel is rotatably inserted and movable perpendicular to the camshaft; a guide shaft on which a guide screw thread is formed and disposed perpendicular to the camshaft; a worm wheel formed with an inner screw thread for engaging with the guide screw thread, and the worm wheel disposed within the wheel housing; and a control shaft on which a control worm for engaging with the worm wheel is formed.Type: GrantFiled: October 24, 2018Date of Patent: February 4, 2020Assignees: HYUNDAI MOTOR COMPANY, KIA MOTORS CORPORATIONInventors: You Sang Son, Ingee Suh, Kiyoung Kwon, In Sang Ryu, Kyoung Pyo Ha, Dongheon Park, Wootae Kim, Back Sik Kim, Seung Jae Lee
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Patent number: 10544716Abstract: A continuous variable valve duration apparatus may include a camshaft, a plurality of wheels mounted to the camshaft, of which a wheel key is formed thereto respectively, a plurality of cam portions of which a cam and a cam key are formed thereto respectively, of which the camshaft is inserted thereto, of which relative phase angle with respect to the camshaft is variable, a plurality of inner brackets connected with the each wheel key and the each cam key, a plurality of a slider housings of which the each inner bracket is rotatably inserted thereto respectively, and rotatably configured around a hinge hole formed a side of a cam cap and a control portion selectively moving the slider housings to change relative position of a rotation center of the inner brackets.Type: GrantFiled: November 13, 2015Date of Patent: January 28, 2020Assignee: Hyundai Motor CompanyInventors: You Sang Son, Kyoung Pyo Ha, Back Sik Kim
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Patent number: 10538156Abstract: A power train may include an engine having a crankshaft and an engine block, a motor housing connected to the engine block and of which a housing hole is formed, a rotor portion connected to the crankshaft through the housing hole and of which a magnet is connected to a first side thereof, a stator portion disposed between the rotor portion and the motor housing, connected to the motor housing and including a coil corresponding to the rotor portion, a transmission connected to the engine block and a clutch selectively transmitting rotation of the rotor portion to the transmission.Type: GrantFiled: December 9, 2016Date of Patent: January 21, 2020Assignee: Hyundai Motor CompanyInventors: You Sang Son, Ingee Suh, Jae Bum Park, Kyoung Pyo Ha, Jeong Soo Eo, Back Sik Kim, Yeonho Kim
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Patent number: 10533464Abstract: A continuously variable valve duration apparatus may include a camshaft, a plurality of first cams and second cams of which a cam key is formed respectively thereto, and of which relative phase angles with respect to the camshaft are variable, a plurality of rotation rings mounted to the camshaft and of which a ring key is formed thereto respectively, a plurality of inner brackets transmitting rotation of the camshaft to the cam keys of the first cams and the seconds respectively, a plurality of slider housings of which each inner bracket is rotatable inserted therein, a support bracket connecting the slider housings and a control portion selectively moving the support bracket and moving positions of the slider housings so as to change rotation centers of the inner brackets.Type: GrantFiled: November 16, 2015Date of Patent: January 14, 2020Assignee: Hyundai Motor CompanyInventors: You Sang Son, Kyoung Pyo Ha, Back Sik Kim
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Patent number: 10480358Abstract: A continuously variable valve timing apparatus may include a camshaft, a first and a second cam portions having two cams formed thereto, of which the camshaft is inserted thereinto, and of which relative phase angles with respect to the camshaft are variable. First and second inner brackets transmit rotation of the camshaft to the first and second cam portions respectively. First and second slider housings having first and second inner brackets are rotatably inserted thereinto, respectively, and have relative positions with respect to the camshaft that are variable. A cam cap rotatably supports the first and second cam portions together with a cylinder head, and the slider housings are slidably mounted thereto. A control shaft is disposed parallel with the camshaft and selectively moves the first and the second slider housings, and a control portion selectively rotates the control shaft so as to change positions of the inner brackets.Type: GrantFiled: November 13, 2015Date of Patent: November 19, 2019Assignee: HYUNDAI MOTOR COMPANYInventors: You Sang Son, Kyoung Pyo Ha, Back Sik Kim
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Patent number: 10458294Abstract: A variable valve device for an engine, may include a camshaft; a movable cam device fitted over the camshaft to be slidable in an axial direction of the camshaft, and configured such that cams with at least two different cam profiles and a guide protruding portion are disposed along the axial direction of the camshaft; at least one shaft groove linearly processed to have a predetermined cross-sectional shape in an external circumferential surface of the camshaft along the axial direction thereof; a cam groove provided in an internal circumferential surface of the movable cam device to communicate with the shaft groove; and an insertion member inserted into a communication space defined by the shaft groove and the cam groove such that a rotational displacement of the camshaft is transmitted to the movable cam device.Type: GrantFiled: June 6, 2018Date of Patent: October 29, 2019Assignees: Hyundai Motor Company, Kia Motors CorporationInventors: Soo Hyung Woo, Back Sik Kim, Seung Kook Han
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Patent number: 10436080Abstract: A multiple variable valve lift apparatus may include a moving cam formed of a hollow cylindrical shape, configured to be moveable in an axial direction of a camshaft while being rotated with the camshaft, and forming a plurality of cams implementing a cam guide protrusion device and different valve lifts from each other; an operation device selectively guiding a cam guide protrusion device to move the moving cam in the axial direction of the camshaft; a controller configured for controlling an operation of the operation device; a valve opening/closing device in contact with any one cam among the plurality of cams; a plurality of stopper grooves formed at an external circumference of the camshaft; and a stopper device provided at the moving cam and inserted to the stopper groove to be rotated at a position after the moving cam is moved.Type: GrantFiled: December 6, 2017Date of Patent: October 8, 2019Assignees: Hyundai Motor Company, Kia Motors CorporationInventors: Soo Hyung Woo, Jin Wook Son, You Sang Son, Seung Kook Han, Back Sik Kim, Wootae Kim
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Publication number: 20190178117Abstract: A variable valve device for an engine, may include a camshaft; a movable cam device fitted over the camshaft to be slidable in an axial direction of the camshaft, and configured such that cams with at least two different cam profiles and a guide protruding portion are disposed along the axial direction of the camshaft; at least one shaft groove linearly processed to have a predetermined cross-sectional shape in an external circumferential surface of the camshaft along the axial direction thereof; a cam groove provided in an internal circumferential surface of the movable cam device to communicate with the shaft groove; and an insertion member inserted into a communication space defined by the shaft groove and the cam groove such that a rotational displacement of the camshaft is transmitted to the movable cam device.Type: ApplicationFiled: June 6, 2018Publication date: June 13, 2019Applicants: Hyundai Motor Company, Kia Motors CorporationInventors: Soo Hyung Woo, Back Sik Kim, Seung Kook Han
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Publication number: 20190178115Abstract: A continuous variable valve duration apparatus is provided. The apparatus includes a camshaft and a cam unit on which a cam is formed. The camshaft is inserted into the cam unit. An inner wheel transmits rotation of the camshaft to the cam unit. The inner wheel is rotatably inserted in a wheel housing a housing hinge aperture parallel to the camshaft is formed on the wheel housing. A slider hinge aperture and a slider control aperture parallel to the camshaft are formed through a slider. A hinge shaft is inserted into the housing hinge aperture and the slider hinge aperture. An eccentric cam is formed on a control shaft and is inserted into the slider control aperture. A controller selectively rotates the control shaft to move the wheel housing perpendicular to the camshaft via the slider.Type: ApplicationFiled: October 26, 2018Publication date: June 13, 2019Inventors: You Sang Son, Ingee Suh, Kiyoung Kwon, In Sang Ryu, Kyoung Pyo Ha, Dongheon Park, Wootae Kim, Back Sik Kim, Seung Jae Lee
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Publication number: 20190153913Abstract: A continuous variable valve duration apparatus may include: a camshaft; a cam unit on which a cam is formed, and the camshaft inserted to the cam; an inner wheel for transmitting rotation of the camshaft to the cam unit; a wheel housing into which the inner wheel is rotatably inserted and movable perpendicular to the camshaft; a guide shaft on which a guide screw thread is formed and disposed perpendicular to the camshaft; a worm wheel formed with an inner screw thread for engaging with the guide screw thread, and the worm wheel disposed within the wheel housing; and a control shaft on which a control worm for engaging with the worm wheel is formed.Type: ApplicationFiled: October 24, 2018Publication date: May 23, 2019Applicants: HYUNDAI MOTOR COMPANY, KIA MOTORS CORPORATIONInventors: You Sang SON, Ingee SUH, Kiyoung KWON, In Sang RYU, Kyoung Pyo HA, Dongheon PARK, Wootae KIM, Back Sik KIM, Seung Jae LEE
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Patent number: 10208681Abstract: A continuous variable valve timing apparatus may include a camshaft, a cam device on which a cam is formed respectively and of which the camshaft is inserted thereto, wherein a relative phase angle with respect to the camshaft is variable, an inside bracket configured to transmit rotation of the camshaft to the cam device, a lifter in which the inside bracket is rotatably inserted therein and on which a cylinder opening and a shaft opening are formed thereon, a control shaft parallel to the camshaft and to which a control rod, inserted into the shaft opening, is eccentrically formed, a control cylinder on which a control rod opening where the control rod is inserted therein is formed and inserted into the cylinder opening, a guide portion guiding movement of the lifter and a controller selectively rotating the control shaft, wherein the lifter may move.Type: GrantFiled: December 1, 2016Date of Patent: February 19, 2019Assignee: Hyundai Motor CompanyInventors: You Sang Son, Woong Kim, Kyoung Pyo Ha, Back Sik Kim, Dongheon Park
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Patent number: 10202875Abstract: The present disclosure provides a powertrain including an engine housing to which a cylinder head and cam carrier are mounted, a camshaft mounted to the cam carrier, first and second cam portions on which cams are formed, in which the camshaft is inserted, of which relative phase angle with respect to the camshaft is variable and disposed corresponding to a first cylinder and second cylinder respectively, first and second inner brackets transmitting rotation of the camshaft to the first and second cam portions respectively, a slider housing in which the first and second inner brackets are rotatably inserted and of which a position with respect to the cam shaft is variable, a lifter control portion controlling the position of the slider housing, a motor assembly engaged with the engine housing and in which a flywheel connected with a crankshaft is rotatably disposed, and a transmission connected with the motor assembly.Type: GrantFiled: September 30, 2016Date of Patent: February 12, 2019Assignee: HYUNDAI MOTOR COMPANYInventors: You Sang Son, Kyoung Pyo Ha, Back Sik Kim
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Patent number: 10174643Abstract: A continuous variable valve duration apparatus may include a camshaft, a cam device on which a cam is formed, of which the camshaft is inserted thereto and of which a relative phase angle with respect to the camshaft is variable, an internal bracket transmitting rotation of the camshaft to the cam device, a wheel housing in which the internal bracket is rotatably inserted and on which a guide groove parallel to the camshaft is formed, a control portion including a control shaft disposed parallel to the camshaft and inserted into the guide groove, and the control portion selectively rotating the control shaft for the relative position of the wheel housing with respect to the camshaft to be changed and a slider housing interposed between the control shaft and the guide groove.Type: GrantFiled: November 7, 2017Date of Patent: January 8, 2019Assignees: Hyundai Motor Company, Kia Motors CorporationInventors: You Sang Son, Ingee Suh, Kiyoung Kwon, In Sang Ryu, Kyoung Pyo Ha, Dongheon Park, Wootae Kim, Back Sik Kim, Seung Jae Lee
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Patent number: 10156166Abstract: The present disclosure provides an engine with an oil supply system including a cam carrier in which a camshaft support hole is formed and in which an oil supply hole is formed to the camshaft support hole; a camshaft in which a camshaft oil line is formed, in which an inlet supplying oil from the cam carrier oil supply hole is formed and in which a first camshaft bifurcated line is formed; first and second cam portions on which cams are formed, of which the camshaft is inserted thereto, of which relative phase angles with respect to the camshaft are variable, disposed corresponding to a first and a second cylinders, and the first and second cam portions in which a cam portion oil line in fluid communication with first camshaft bifurcated line is formed.Type: GrantFiled: October 27, 2016Date of Patent: December 18, 2018Assignee: Hyundai Motor CompanyInventors: You Sang Son, Kyoung Pyo Ha, Back Sik Kim
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Patent number: 10138764Abstract: A continuous variable valve duration apparatus includes a camshaft, a first and second cam portion, each including a cam and a cam key, where the camshaft is inserted into the first and second cam portions and where relative phase angles with respect to the camshaft are variable, a first and second inner bracket transmitting a rotation of the camshaft to the first and second cam portions respectively, a first and second slider housing, a cam cap rotatably supporting the first and second cam portions respectively, a slider pin rotatably inserted into the first sliding hole and slidably inserted into the camshaft, a cam pin on which a cam key slot for the cam key to be slidably inserted thereinto is formed, a control shaft disposed parallel to the camshaft and engaged with the first and second slider housings, and a control portion selectively rotating the control shaft.Type: GrantFiled: December 5, 2016Date of Patent: November 27, 2018Assignee: Hyundai Motor CompanyInventors: You Sang Son, Kyoung Pyo Ha, Back Sik Kim
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Publication number: 20180334933Abstract: A multiple variable valve lift apparatus may include a moving cam formed of a hollow cylindrical shape, configured to be moveable in an axial direction of a camshaft while being rotated with the camshaft, and forming a plurality of cams implementing a cam guide protrusion device and different valve lifts from each other; an operation device selectively guiding a cam guide protrusion device to move the moving cam in the axial direction of the camshaft; a controller configured for controlling an operation of the operation device; a valve opening/closing device in contact with any one cam among the plurality of cams; a plurality of stopper grooves formed at an external circumference of the camshaft; and a stopper device provided at the moving cam and inserted to the stopper groove to be rotated at a position after the moving cam is moved.Type: ApplicationFiled: December 6, 2017Publication date: November 22, 2018Applicants: Hyundai Motor Company, Kia Motors CorporationInventors: Soo Hyung Woo, Jin Wook Son, You Sang Son, Seung Kook Han, Back Sik Kim, Wootae Kim
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Patent number: 10132248Abstract: A continuous variable valve duration apparatus may include a camshaft, a cam device, of which the camshaft is inserted thereto, of which a phase angle with respect to the camshaft is variable, and the cam device on which a cam key is formed, an inside bracket transmitting rotation of the camshaft to the cam device and on which a first slide opening and a second sliding opening are formed respectively, a slider housing in which the inside bracket is rotatably inserted and of which relative position with respect to the camshaft is variable, a controller selectively changing the relative position of the slider housing, a cam pin of which a cam key opening for the cam key to be slidably inserted thereto is formed and slidably inserted into the second sliding opening and a slider pin rotatably inserted into the first sliding opening and slidably inserted into the camshaft.Type: GrantFiled: December 1, 2016Date of Patent: November 20, 2018Assignee: HYUNDAI MOTOR COMPANYInventors: You Sang Son, Kyoung Pyo Ha, Back Sik Kim