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：US09970339B2

公开(公告)日：2018-05-15

申请号：US15165550

申请日：2016-05-26

Applicant: HYUNDAI MOTOR COMPANY

Inventor： In Sang Ryu ,  Kyoung Pyo Ha ,  You Sang Son ,  Kiyoung Kwon

IPC: F01L1/34 ,  F01L13/00 ,  F02D41/00

CPC classification number: F01L13/0015 ,  F01L2800/00 ,  F02D41/0007 ,  F02D2041/001 ,  Y02T10/144

Abstract: A system and a method for controlling valve timing of a continuous variable valve duration engine that simultaneously controls duration and timing of the valve by mounting a continuous variable valve duration device on an intake of turbo engine and mounting a continuous variable valve timing device on an exhaust is disclosed. The method includes: classifying a plurality of control regions depending on engine speed and load; applying a maximum duration to an intake valve and limiting an overlap to an exhaust valve; applying the maximum duration to the intake valve and adjusting the overlap by using an exhaust valve close timing; advancing an intake valve close timing; approaching an intake valve close timing to bottom dead center; controlling a wide open throttle valve and controlling the intake valve close timing to after bottom dead center; and controlling the wide open throttle valve and advancing the intake valve close timing.

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：US09889838B2

公开(公告)日：2018-02-13

申请号：US15258035

申请日：2016-09-07

Applicant: HYUNDAI MOTOR COMPANY

Inventor： In Sang Ryu ,  Kyoung Pyo Ha ,  You Sang Son ,  Kiyoung Kwon

IPC: B60W10/06 ,  F01L1/34 ,  F01L1/047 ,  F02D41/00 ,  F02D13/02 ,  B60W20/10 ,  F02D41/14

CPC classification number: B60W10/06 ,  B60W20/10 ,  F01L1/047 ,  F01L1/34 ,  F01L13/0015 ,  F01L2001/0537 ,  F01L2820/032 ,  F02D13/0219 ,  F02D13/0261 ,  F02D41/0002 ,  F02D41/0007 ,  F02D41/1406 ,  F02D2041/001 ,  F02D2041/002 ,  F02D2200/101 ,  Y02T10/144 ,  Y02T10/18 ,  Y02T10/42 ,  Y10S903/905

Abstract: A method for controlling valve timing for an engine includes: classifying a plurality of control regions depending on an engine speed and an engine load; applying a maximum duration to an intake valve and controlling an exhaust valve to limit a valve overlap in a first region; controlling the intake valve and the exhaust valve to maintain the maximum duration in a second region; advancing an intake valve closing (IVC) timing and an exhaust valve closing (EVC) timing in a third region; approaching the IVC timing to a bottom dead center (BDC) in a fourth region; controlling a throttle valve to be fully opened, advancing an intake valve opening (IVO) timing before a top dead center (TDC), and controlling the IVC timing to be a predetermined value after the BDC in a fifth region; and controlling the throttle valve to be fully opened and advancing the IVC timing in a sixth region.

公开(公告)号：US09879619B2

公开(公告)日：2018-01-30

申请号：US15267822

申请日：2016-09-16

Applicant: Hyundai Motor Company

Inventor： In Sang Ryu ,  Kyoung Pyo Ha ,  You Sang Son ,  Kiyoung Kwon

IPC: F02D13/04 ,  F02D41/00 ,  F02D13/02

CPC classification number: F02D41/0002 ,  F01L1/053 ,  F01L1/344 ,  F01L13/0015 ,  F01L2001/0537 ,  F01L2001/34496 ,  F01L2013/111 ,  F01L2800/00 ,  F01L2820/01 ,  F02D13/0215 ,  F02D13/0261 ,  F02D2041/001 ,  F02D2041/002 ,  F02D2200/1002 ,  F02D2200/101 ,  Y02T10/18 ,  Y02T10/42

Abstract: A system and a method for controlling valve timing of a continuous variable valve duration engine including classifying control regions depending on engine speed and load; applying a maximum duration to an intake valve and a long duration to an exhaust valve and limiting an overlap; applying the maximum duration to the intake valve and the long duration to the exhaust valve, and adjusting the overlap according to the engine load; applying the long duration to the exhaust valve, fixing an exhaust valve open timing and an exhaust valve close timing, and advancing an intake valve close timing according to an increase of engine load; controlling a wide open throttle valve and applying a short duration to the exhaust valve; and controlling a wide open throttle valve, applying the long duration to the exhaust valve, delaying the intake valve close timing according to an increased engine speed.

公开(公告)号：US09863331B2

公开(公告)日：2018-01-09

申请号：US15340769

申请日：2016-11-01

Applicant: HYUNDAI MOTOR COMPANY

Inventor： In Sang Ryu ,  Kyoung Pyo Ha ,  You Sang Son ,  Kiyoung Kwon

IPC: F02D13/04 ,  F02D13/02 ,  F02D41/00 ,  F02D41/26 ,  F01L1/053 ,  F01L1/34 ,  F01L13/00

CPC classification number: F02D13/0215 ,  F01L1/053 ,  F01L1/34 ,  F01L13/0015 ,  F01L2001/0537 ,  F01L2250/02 ,  F01L2800/00 ,  F02D41/0002 ,  F02D41/009 ,  F02D41/26 ,  F02D2041/001 ,  F02D2041/002 ,  F02D2200/101 ,  F02N19/004 ,  Y02T10/18 ,  Y02T10/42

Abstract: The present disclosure provides a system and a method for controlling valve timing of a continuous variable valve duration engine. The method may include: classifying a plurality of control regions depending on an engine speed and an engine load; retarding an intake valve closing (IVC) timing and limiting a valve overlap between an intake valve and an exhaust valve in a first control region; advancing the IVC timing and applying a maximum duration to the exhaust valve in a second control region; advancing the IVC timing according to an increase of the engine load in a third control region; controlling a throttle valve to be fully opened and advancing the IVC timing in a fourth control region; and controlling the throttle valve to be fully opened and retarding the IVC timing in a fifth control region.

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.

公开(公告)号：US09803519B2

公开(公告)日：2017-10-31

申请号：US14724372

申请日：2015-05-28

Applicant: Hyundai Motor Company

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

IPC: F01L1/34 ,  F02D13/02 ,  F01L1/344

CPC classification number: F01L1/34 ,  F01L1/344 ,  F01L2800/14 ,  F02D13/0226 ,  F02D13/0238

Abstract: A control method using a continuous variable duration apparatus provided to adjust opening duration of an intake valve of an engine includes: determining a reduction amount of a compression ratio to prevent knocking, when knocking of an engine is expected, setting a desired effective compression ratio required for the reduction amount of the effective compression ratio, setting desired duration for the set desired effective compression ratio, and controlling duration of the intake valve on the basis of the set desired duration.