公开(公告)号：US20180100446A1

公开(公告)日：2018-04-12

申请号：US15839606

申请日：2017-12-12

Applicant: HYUNDAI MOTOR COMPANY ,  KIA MOTORS CORPORATION

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

IPC: F02D13/02

CPC classification number: F02D13/0207 ,  F02B25/145 ,  F02D13/0215 ,  F02D13/0219 ,  F02D13/0261 ,  F02D41/0007 ,  F02D41/009 ,  F02D2009/0235 ,  F02D2041/001 ,  F02D2041/002 ,  F02D2200/023 ,  F02D2200/04 ,  F02D2200/0404 ,  F02D2200/1002 ,  F02D2200/101 ,  F02D2200/501 ,  F02D2200/602 ,  Y02T10/144 ,  Y02T10/18

Abstract: A method for controlling intake and exhaust valves of an engine includes: controlling, by an intake continuous variable valve timing (CVVT) device and an exhaust CVVT device, opening and closing timings of the intake valve and exhaust valves; determining, by a controller, a target opening duration of the intake and exhaust valves based on an engine load and an engine speed; modifying, by an intake continuous variable valve duration (CVVD) device and by an exhaust CVVD device, current opening and closing timings of the intake valve and/or exhaust valve based on the target opening duration; and advancing or retarding, by the intake and/or exhaust CVVD devices, the current opening timing of the intake and exhaust valves while simultaneously retarding or advancing the current closing timing of the intake and exhaust valve by a predetermined value based on the target opening duration.

公开(公告)号：US09874153B2

公开(公告)日：2018-01-23

申请号：US15333973

申请日：2016-10-25

Applicant: HYUNDAI MOTOR COMPANY

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

IPC: F02D13/02 ,  F01L1/40 ,  F02D41/00 ,  F02D41/02 ,  F02D41/14 ,  F02D41/26

CPC classification number: F02D13/0207 ,  F01L1/40 ,  F01L2800/10 ,  F02D13/0234 ,  F02D13/0238 ,  F02D13/0249 ,  F02D13/0261 ,  F02D41/0007 ,  F02D41/0235 ,  F02D41/1498 ,  F02D41/26 ,  F02D2041/001 ,  F02D2041/002 ,  F02D2200/1002 ,  F02D2200/101 ,  Y02T10/144

Abstract: The method for controlling valve timing of an engine includes: classifying control regions; applying a maximum duration to an intake valve and a long duration to an exhaust valve in a first control region; advancing Intake Valve Closing timing, applying the long duration to the exhaust valve, and maintaining a maximum valve overlap in a second control region; applying the long duration to the exhaust valve and advancing the IVC timing and Exhaust Valve Closing timing in a third control region; applying a short duration to the exhaust valve and controlling the EVC timing in a fourth control region; controlling a throttle valve, applying the short duration to the exhaust valve, and retarding Exhaust Valve Opening timing in a fifth control region; and controlling the throttle valve and the EVC timing, applying the long duration to the exhaust valve, advancing the EVO timing in a sixth control region.

公开(公告)号：US09850789B2

公开(公告)日：2017-12-26

申请号：US14942671

申请日：2015-11-16

Applicant: Hyundai Motor Company

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

IPC: F01L1/34 ,  F01L13/00

CPC classification number: F01L13/0036 ,  F01L1/0532 ,  F01L1/08 ,  F01L1/356 ,  F01L13/0015 ,  F01L13/0047 ,  F01L2001/0473 ,  F01L2001/0537 ,  F01L2013/0052 ,  F01L2013/103

Abstract: A continuous variable valve duration apparatus may include camshaft, first and second cam portions of cam is formed thereto respectively, of which the camshaft is inserted thereto 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, first and second slider housings of which the first and second inner brackets are rotatably inserted thereto and of which relative position with respect to the camshaft are variable, cam cap rotatably supporting the first and second cam portions respectively and of which each slider housing is slidably mounted thereto, control shaft disposed parallel to the camshaft and engaged with the first and second slider housings for selectively moving the first and second slider housings and a control portion selectively rotating the control shaft for changing positions of the inner brackets.

公开(公告)号：US09739183B2

公开(公告)日：2017-08-22

申请号：US14941130

申请日：2015-11-13

Applicant: HYUNDAI MOTOR COMPANY

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

IPC: F01L1/34 ,  F01L13/00 ,  F01L1/047 ,  F01L1/26

CPC classification number: F01L13/0015 ,  F01L1/047 ,  F01L1/26 ,  F01L1/267 ,  F01L13/0026 ,  F01L2013/0052 ,  F01L2013/103

Abstract: A continuous variable valve duration system may include a camshaft, a cam portion having a cam is formed thereto. The camshaft is inserted to the cam portion such that a relative phase angle with respect to the camshaft is variable. The camp portion has a cam cap engaging portion, and an inner bracket transmits rotation of the camshaft to the cam portion. A slider housing has the inner bracket rotatably inserted thereto, of which relative position with respect to the camshaft is variable, and of which a control slot is formed. Cam caps rotatably mount the cam cap engaging portion to a cylinder head, and a control portion comprising an eccentric control shaft inserted into the control slot. A worm wheel is connected to the eccentric control shaft, and a worm gear engaged with the worm wheel and a control motor selectively rotates the worm gear so as to change relative position of the slider housing with respect to the camshaft and a cylinder head cover of which a motor mounting portion where the control motor is mounted thereto.

公开(公告)号：US09617925B2

公开(公告)日：2017-04-11

申请号：US14947892

申请日：2015-11-20

Applicant: Hyundai Motor Company

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

IPC: F01L13/08 ,  F02D13/02 ,  F02D41/00

CPC classification number: F02D13/0234 ,  F01L1/0532 ,  F01L1/356 ,  F01L13/0026 ,  F01L13/08 ,  F01L2001/0473 ,  F01L2013/103 ,  F01L2800/09 ,  F01L2820/01 ,  F02D35/027 ,  F02D2041/001 ,  Y02T10/18

Abstract: A control method using a continuous variable valve duration apparatus may use a continuous variable valve duration apparatus including a wheel being mounted on a camshaft and having a wheel key to control duration of an intake valve of an engine, a cam device having a cam and a cam key, being adapted that the camshaft is inserted thereinto, and being disposed to can vary relative phase of the cam with respect to the camshaft, an inner bracket being connected with the wheel key and the cam key, a slider housing being adapted that the inner bracket is rotatably inserted thereinto and being disposed to can move vertically with respect to the engine, a controller varying a position of the slider housing to adjust rotation center of the inner bracket, and guide device guiding motion of the sliding housing.

公开(公告)号：US20170082037A1

公开(公告)日：2017-03-23

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: F02D13/02 ,  F01L13/00

CPC classification number: F02D13/0211 ,  F01L13/0015 ,  F01L2013/111 ,  Y02T10/18

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：US20170081987A1

公开(公告)日：2017-03-23

申请号：US14955211

申请日：2015-12-01

Applicant: Hyundai Motor Company

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

IPC: F01L1/26 ,  F01L1/46 ,  F01L1/24 ,  F01L1/18 ,  F01L1/047

CPC classification number: F01L1/267 ,  F01L1/047 ,  F01L1/18 ,  F01L1/185 ,  F01L1/2405 ,  F01L1/462 ,  F01L13/0063 ,  F01L2013/0068 ,  F01L2105/00 ,  F01L2820/03

Abstract: A continuously variable valve lift apparatus may include a camshaft, a cam portion on which a cam is formed and into which the camshaft is inserted, a slider housing into which the cam portion is rotatably inserted and disposed to be rotatable around a pivot shaft, a control portion configured to selectively rotate the slider housing around the pivot shaft, a rotation deliverer configured to transmit rotation of the camshaft to the cam portion, an output portion rotatable around the pivot shaft and on which a valve shoe is formed, and a valve device configured to be driven by the valve shoe.

公开(公告)号：US20160169066A1

公开(公告)日：2016-06-16

申请号：US14948269

申请日：2015-11-21

Applicant: Hyundai Motor Company

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

IPC: F01L13/00

CPC classification number: F01L13/0015 ,  F01L1/053 ,  F01L1/08 ,  F01L1/356 ,  F01L2013/0084 ,  F01L2013/103

Abstract: A continuous variable valve duration apparatus may include a camshaft, first and second cam portions, of which the camshaft is inserted thereto, of which relative phase angles with respect to the camshaft are variable, a first and a second inner brackets transmitting rotation of the camshaft to the first and second cam portions respectively, a slider housing of which the first and second inner brackets are rotatably inserted thereto, of which relative position with respect to the camshaft is variable and of which a guide protruded portion is formed to an upper side thereof, cam caps of which each cam cap engaging portion is rotatably connected thereto, a connecting bracket connecting the cam caps and of which a guide slot for the guide protruded portion to be inserted thereto is formed thereto and a control portion selectively changing a position of the slider housing.

Abstract translation: 连续的可变气门持续时间设备可以包括凸轮轴，其中凸轮轴插入其中的第一和第二凸轮部分，其中相对于凸轮轴的相对相位角是可变的，第一和第二内部支架传递凸轮轴的旋转 分别向第一和第二凸轮部分提供滑动器壳体，其第一和第二内部支架可旋转地插入其中，其相对于凸轮轴的相对位置是可变的，并且在其上侧形成有引导突出部分 每个凸轮帽接合部分可旋转地连接到其上的凸轮盖，连接凸轮盖的连接托架，并且其中形成有用于插入其中的引导突出部分的引导槽，并且控制部分选择性地改变 滑块外壳。

公开(公告)号：US20160153324A1

公开(公告)日：2016-06-02

申请号：US14724316

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: F01L13/00

CPC classification number: F01L13/0015 ,  F01L1/0532 ,  F01L1/356 ,  F01L13/0026 ,  F01L13/06 ,  F01L2001/0476 ,  F01L2001/0535 ,  F01L2013/0084 ,  F01L2800/00 ,  F01L2820/032 ,  F02D13/04

Abstract: A control method using a continuous variable duration apparatus provided to adjust opening duration of an intake valve of an engine may include: setting a desired deceleration speed when a vehicle starts decelerating, determining a pumping loss by the engine that is required for the desired deceleration speed, setting desired duration for the required pumping loss by the engine, and controlling duration of the intake valve on the basis of the set desired duration.

Abstract translation: 使用设置用于调节发动机的进气门的打开持续时间的连续可变持续时间设备的控制方法可以包括：当车辆开始减速时设定期望的减速度，确定所需的减速速度所需的发动机的泵送损失 设定由发动机所需的泵送损失所需的持续时间，以及根据设定的期望持续时间来控制进气门的持续时间。

公开(公告)号：US09151365B2

公开(公告)日：2015-10-06

申请号：US14145635

申请日：2013-12-31

Applicant: Hyundai Motor Company ,  Kia Motors Corporation ,  Borgwarner Inc.

Inventor： Chung Han Oh ,  Dae Sung Kim ,  Kyoung Pyo Ha ,  Joong Soo Kim ,  Eui Chul Choi ,  Young-Taek Sun ,  Won-Jung Kwon

IPC: F16H7/22 ,  F16H7/08

CPC classification number: F16H7/08 ,  F16H7/0848 ,  F16H2007/0806 ,  F16H2007/0817 ,  F16H2007/0859 ,  F16H2007/0872 ,  F16H2007/0876 ,  F16H2007/0893

Abstract: The present invention relates to a timing chain system including a hydraulic pressure timing chain tensioner autonomously controlling a hydraulic pressure for maintaining tension of a timing chain to effectively operate. The system may include: a crankshaft sprocket; a camshaft sprocket controlling exhaust or intake timing of the engine; a timing chain operably connecting the crankshaft and camshaft sprockets; a chain guide for the timing chain; a chain tensioner pushing the chain guide inward; and an oil supply unit for the chain tensioner. The chain tensioner may include a housing, an operating unit case fixed to the housing, a reciprocating plunger inserted into the operating unit case, a high pressure chamber, a low pressure chamber, a supply hydraulic path supplying oil from the oil supply unit to the low pressure chamber, and a regulator controlling hydraulic pressure of the low pressure chamber.

Abstract translation: 本发明涉及一种正时链系统，其包括液压正时链张紧器，其自主地控制用于维持正时链的张力以有效操作的液压。 该系统可以包括：曲轴链轮; 控制发动机的排气或进气定时的凸轮轴链轮; 正时链可操作地连接曲轴和凸轮轴链轮; 正时链的指南链; 链条张紧器向内推动链条导轨; 以及用于链条张紧器的供油单元。 链条张紧器可以包括壳体，固定到壳体的操作单元壳体，插入操作单元壳体中的往复式柱塞，高压室，低压室，从油供应单元向 低压室，以及控制低压室的液压的调节器。