公开(公告)号：US11939890B2

公开(公告)日：2024-03-26

申请号：US17991884

申请日：2022-11-22

Applicant: HYUNDAI MOTOR COMPANY ,  KIA CORPORATION

Inventor： Hyeon Woo Kim ,  Back Sik Kim ,  Jinyoung Jung

IPC: F01L1/047 ,  F01L1/053 ,  F01L1/344 ,  F01L13/00 ,  F02D13/02 ,  F02D41/22

CPC classification number: F01L1/047 ,  F01L1/053 ,  F01L1/344 ,  F01L1/3442 ,  F01L13/00 ,  F02D13/0207 ,  F02D41/22 ,  F01L2001/0473 ,  F01L2001/0476 ,  F01L2013/103 ,  F01L2013/111 ,  F01L2305/00 ,  F01L2820/032

Abstract: A continuous variable valve duration apparatus includes: a camshaft, a front cam unit and a rear cam unit of which the phase relative to the camshaft can be varied, a front inner wheel and a rear inner wheel, a front guide bracket and a rear guide bracket, a front wheel housing and a rear wheel housing, a front control shaft, a rear control shaft, a phase controller selectively changing the relative phase of the front control shaft and the rear control shaft, a main driving unit for driving the rear control shaft, vibration sensors that measure the vibration of each cylinder corresponding to the front cam unit and the rear cam unit and output a corresponding signal, and a controller for controlling the operation of the main driving unit and the phase controller according to the output signals of the respective vibration sensors.

公开(公告)号：US10927771B2

公开(公告)日：2021-02-23

申请号：US16701926

申请日：2019-12-03

Applicant: Hyundai Motor Company ,  Kia Motors Corporation

Inventor： Hyeonwoo Kim ,  Kyoung Pyo Ha ,  Back Sik Kim ,  Jong Gu Kim

IPC: F02D13/02 ,  F01L1/047 ,  F02D41/00

Abstract: A continuous variable valve duration apparatus may include a camshaft, a cam unit on which a cam is formed, wherein the camshaft is inserted into the cam unit, a guide bracket having an upper guide boss formed thereon, an internal wheel transmitting rotation of the camshaft to the cam unit, a wheel housing in which the internal wheel is rotatable inserted, wherein the wheel housing includes a guide shaft on which a guide screw thread is formed and the guide shaft is inserted into the upper guide boss to be movable, a worm wheel to which an internal screw thread engaging with the guide screw thread is formed therewithin, and to which an external screw thread is formed thereon, and a control shaft on which a control worm engaging with the external screw thread is formed.

公开(公告)号：US10436080B2

公开(公告)日：2019-10-08

申请号：US15833405

申请日：2017-12-06

Applicant: Hyundai Motor Company ,  Kia Motors Corporation

Inventor： Soo Hyung Woo ,  Jin Wook Son ,  You Sang Son ,  Seung Kook Han ,  Back Sik Kim ,  Wootae Kim

IPC: F01L1/34 ,  F01L13/00 ,  F01L1/053 ,  F01L1/18

Abstract: 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.

公开(公告)号：US10174643B2

公开(公告)日：2019-01-08

申请号：US15806153

申请日：2017-11-07

Applicant: Hyundai Motor Company ,  Kia Motors Corporation

Inventor： You Sang Son ,  Ingee Suh ,  Kiyoung Kwon ,  In Sang Ryu ,  Kyoung Pyo Ha ,  Dongheon Park ,  Wootae Kim ,  Back Sik Kim ,  Seung Jae Lee

IPC: F01L1/34 ,  F01L1/344 ,  F01L1/047 ,  F01L1/26 ,  F01L1/356

Abstract: 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.

公开(公告)号：US20180334933A1

公开(公告)日：2018-11-22

申请号：US15833405

申请日：2017-12-06

Applicant: Hyundai Motor Company ,  Kia Motors Corporation

Inventor： Soo Hyung Woo ,  Jin Wook Son ,  You Sang Son ,  Seung Kook Han ,  Back Sik Kim ,  Wootae Kim

IPC: F01L13/00 ,  F01L1/34

CPC classification number: F01L13/0036 ,  F01L1/053 ,  F01L1/185 ,  F01L1/34 ,  F01L2013/0052 ,  F01L2013/101 ,  F01L2105/00 ,  F01L2201/00 ,  F01L2820/031

Abstract: 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.

公开(公告)号：US10024244B2

公开(公告)日：2018-07-17

申请号：US14955445

申请日：2015-12-01

Applicant: Hyundai Motor Company

Inventor： In Sang Ryu ,  Ingee Suh ,  Kyoung Pyo Ha ,  Back Sik Kim ,  Kiyoung Kwon

IPC: F01L1/34 ,  F02D13/02 ,  F01L13/00

Abstract: A method for controlling valve timing of continuous variable valve duration engine may include continuous variable valve duration (CVVD) device and continuous variable valve timing (CVVT) device including determining target intake valve open (IVO) timing, target intake valve close (IVC) timing, target exhaust valve open (EVO) timing and target exhaust valve close (EVC) timing; determining target intake CVVD, target exhaust CVVD, target intake CVVT and target exhaust CVVT to satisfy the target IVO, IVC, EVO, and EVC timings; performing feedback control of the CVVD by learning minimum value of the CVVD and maximum value of the CVVD; performing feedback control of the CVVT based on profile information of the valve; and determining real IVO timing, real IVC timing, real EVO timing, and real EVC timing based on the feedback control of the CVVD and the feedback control of the CVVT.

公开(公告)号：US10006377B2

公开(公告)日：2018-06-26

申请号：US15278818

申请日：2016-09-28

Applicant: HYUNDAI MOTOR COMPANY

Inventor： You Sang Son ,  Kyoung Pyo Ha ,  Back Sik Kim

IPC: F02D13/02 ,  F01L13/00 ,  F01L1/047 ,  F01L1/053 ,  F01L1/356 ,  F02D41/00

CPC classification number: F02D13/0207 ,  F01L1/047 ,  F01L1/053 ,  F01L1/356 ,  F01L13/0015 ,  F01L13/0026 ,  F01L13/0036 ,  F01L2001/0473 ,  F01L2001/0475 ,  F01L2001/0476 ,  F01L2001/0537 ,  F01L2013/103 ,  F01L2740/00 ,  F02D2041/001 ,  Y02T10/18

Abstract: A continuous variable valve duration apparatus may include: a camshaft; first and second cam portions on which a cam is formed respectively, to which the camshaft is inserted and of which relative phase angles with respect to the camshaft are variable; first and second inner brackets transmitting rotation of the camshaft to the first and second cam portions respectively; a slider housing unit in which the first and second inner brackets are rotatably inserted and of which a relative positions with respect to the camshaft is variable; a control shaft parallel to the camshaft; a control rod eccentrically formed on the control shaft; a lifter on which a lifter hole and a rotation hole are formed; and a control portion selectively rotating the control shaft so as to controlling a position of the slider housing unit.

公开(公告)号：US09988948B2

公开(公告)日：2018-06-05

申请号：US15275556

申请日：2016-09-26

Applicant: HYUNDAI MOTOR COMPANY

Inventor： You Sang Son ,  Kyoung Pyo Ha ,  Back Sik Kim

IPC: F01L1/34 ,  F01L1/047 ,  F01L9/00 ,  F16H25/10 ,  F16H25/20 ,  F01L1/053 ,  F01L1/356 ,  F01L13/00

CPC classification number: F01L1/34 ,  F01L1/047 ,  F01L1/053 ,  F01L1/356 ,  F01L9/00 ,  F01L13/0015 ,  F01L2001/0475 ,  F01L2001/0476 ,  F01L2001/0537 ,  F01L2013/103 ,  F01L2810/02 ,  F16H25/10 ,  F16H25/20 ,  F16H25/2015 ,  F16H2025/2084 ,  F16H2025/2087 ,  F16H2025/209

Abstract: A continuous variable valve duration apparatus may include: a camshaft; first and second cam portions on which a cam is formed respectively, the camshaft inserted to the first and second cam portions of which relative phase angles with respect to the camshaft are variable; first and second inner brackets transmitting rotation of the camshaft to the first and second cam portions respectively; a cam lifter in which the first and second inner brackets are rotatably inserted, and a cam lifter guide slantly formed on the cam lifter; a cam cap rotatably supporting the first and the second cam portions, and the cam lifter slidably mounted to the cam cap; a control portion including a screw shaft parallel to the camshaft; and an adapter engaged with the screw shaft, on which an adapter guide slidably engaged with the cam lifter guide and moving a relative position of the cam lifter.

公开(公告)号：US09890669B2

公开(公告)日：2018-02-13

申请号：US14955687

申请日：2015-12-01

Applicant: Hyundai Motor Company

Inventor： You Sang Son ,  Kyoung Pyo Ha ,  Back Sik Kim ,  Kiyoung Kwon

IPC: F01L1/34 ,  F01L13/00 ,  F01L1/053 ,  F01L1/18 ,  F01L1/24 ,  F01L1/26

CPC classification number: F01L13/0015 ,  F01L1/053 ,  F01L1/185 ,  F01L1/2405 ,  F01L1/267 ,  F01L13/0026 ,  F01L2013/0084 ,  F01L2105/00

Abstract: A continuously variable valve lift apparatus may include a camshaft, a cam portion of which a cam is formed thereto and the camshaft is inserted into therein, a slider housing of which the cam portion is rotatably inserted therein, of which a position with respect to the camshaft is movable and of which a guide slot is formed thereto, a control portion selectively changing the position of the slider housing, a guide shaft disposed parallel to the camshaft and inserted into the guide slot for guiding movement of the slider housing, an output portion rotatable around a pivot shaft and of which a valve shoe is formed thereto and a valve unit driven by the valve shoe.

公开(公告)号：US09850826B2

公开(公告)日：2017-12-26

申请号：US14858968

申请日：2015-09-18

Applicant: Hyundai Motor Company

Inventor： In Sang Ryu ,  Ingee Suh ,  Kyoung Pyo Ha ,  Back Sik Kim ,  Kiyoung Kwon

IPC: F02D17/02 ,  F02D13/06 ,  F02D41/00 ,  F01L13/00 ,  F02D41/38 ,  F02D35/02

CPC classification number: F02D17/02 ,  F01L13/0005 ,  F01L2013/001 ,  F02D13/06 ,  F02D35/028 ,  F02D41/0087 ,  F02D41/38 ,  F02D2041/0012 ,  Y02T10/18

Abstract: An asymmetry cylinder de-activation (CDA) engine provided with a first, a second, a third and a fourth cylinder of which CDA apparatuses are mounted thereto respectively may include a crankshaft connected with pistons of each cylinder through a first, a second, a third and a fourth cranking journal respectively, and a controller configured to control operations of the CDA apparatuses, in which phase differences between cranking journals according to firing order may include 90±10 degrees and 270±10 degrees.