公开(公告)号：US10132248B2

公开(公告)日：2018-11-20

申请号：US15366157

申请日：2016-12-01

Applicant: Hyundai Motor Company

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

IPC: F01L1/34 ,  F02D13/02 ,  F01L1/053 ,  F01L13/00 ,  F01M9/10 ,  F01M11/02

Abstract: 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.

公开(公告)号：US10082053B2

公开(公告)日：2018-09-25

申请号：US15365766

申请日：2016-11-30

Applicant: Hyundai Motor Company

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

IPC: F01L1/34 ,  F01L1/047 ,  F01L1/053 ,  F01L13/00 ,  F01L1/356

CPC classification number: F01L1/34 ,  F01L1/047 ,  F01L1/0532 ,  F01L1/356 ,  F01L13/0026 ,  F01L2001/0476 ,  F01L2810/02 ,  F01L2820/01 ,  F01L2820/032

Abstract: A continuous variable valve duration apparatus may include a camshaft, a first and second cam portions, first and inside brackets transmitting rotation of the camshaft to the first and second cam portions respectively, a slider housing of which the first and second inside brackets are rotatably inserted thereto, 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 opening for the guide protruded portion to be inserted thereto for guiding movement of the slider housing is formed thereto, a slider pin rotatably inserted into the first sliding opening and slidably inserted into the camshaft, a cam pin of which a cam opening for the cam to be slidably inserted thereto is formed and rotatably inserted into the second sliding opening and a controller selectively changing a position of the slider housing.

公开(公告)号：US10054017B2

公开(公告)日：2018-08-21

申请号：US15272539

申请日：2016-09-22

Applicant: HYUNDAI MOTOR COMPANY

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

IPC: F01L13/00 ,  F16H1/16 ,  F02D13/02 ,  F01L1/047 ,  F01M9/10 ,  F01L1/053 ,  F01L1/26 ,  F01L1/356 ,  F01M11/02

CPC classification number: F01L13/0015 ,  F01L1/047 ,  F01L1/053 ,  F01L1/267 ,  F01L1/356 ,  F01L2001/0473 ,  F01L2001/0475 ,  F01L2001/0476 ,  F01L2001/0537 ,  F01L2013/0084 ,  F01L2013/103 ,  F01L2810/02 ,  F01M9/10 ,  F01M9/105 ,  F01M11/02 ,  F02D13/0211 ,  F02D13/0215 ,  F16H1/16 ,  Y02T10/14 ,  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; 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 the second inner brackets are rotatably inserted; first and second guiding portions formed on the slider housing; a control shaft parallel to the camshaft; a control rod eccentrically formed on the control shaft; a guide head on which a head guiding portion and a head hole are formed; a cam cap supporting the control shaft; a cam cap guiding portion mounted to the cam cap; and a control portion selectively rotating the control shaft such that the slider housing is moved along the cam cap guiding portion.

公开(公告)号：US10047684B2

公开(公告)日：2018-08-14

申请号：US15258062

申请日：2016-09-07

Applicant: HYUNDAI MOTOR COMPANY

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

IPC: F02D13/02 ,  F01L1/34 ,  B60W10/06 ,  F02D41/26 ,  F01L1/047 ,  F02D41/00 ,  F02M35/104 ,  B60W20/10

Abstract: A method for controlling valve timing is provided for an engine including continuous variable duration (CVVD) device disposed on both intake valve and exhaust valve sides respectively. The method may include: classifying control regions into first, second, third, fourth, and fifth control regions based on engine load and speed; applying a maximum duration to an intake valve and controlling a valve overlap in a first control region, applying the maximum duration to the intake valve and exhaust valve in the second control region; controlling a manifold absolute pressure (MAP) of an intake manifold to be maintained consistently in the third control region; controlling a throttle valve to be fully opened, advancing an intake valve closing (IVC) timing, and controlling an exhaust valve closing (EVC) timing to after top dead center in the fourth control region; and controlling a wide open throttle valve (WOT) and retarding the intake valve closing in the fifth control region.

公开(公告)号：US10006378B2

公开(公告)日：2018-06-26

申请号：US15340772

申请日：2016-11-01

Applicant: HYUNDAI MOTOR COMPANY

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

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

CPC classification number: F02D13/0215 ,  F01L1/053 ,  F01L1/34 ,  F01L13/0015 ,  F01L2001/0537 ,  F01L2800/00 ,  F02D41/0002 ,  F02D2041/001 ,  F02D2041/002 ,  F02D2200/0406 ,  F02D2200/1002 ,  F02D2200/101 ,  F02D2200/1012 ,  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; applying a maximum duration to an intake valve and controlling a valve overlap between the intake valve and an exhaust valve in a first control region; maintaining the maximum duration of the intake valve and applying a maximum duration to the exhaust valve in a second control region; maintaining a manifold absolute pressure (MAP) at a predetermined pressure in a third control region; controlling a throttle valve to be fully opened and generating the valve overlap in a fourth control region; and controlling the throttle valve to be fully opened and controlling intake valve closing (IVC) timing according to the engine speed in a fifth control region.

公开(公告)号：US09932908B2

公开(公告)日：2018-04-03

申请号：US15340692

申请日：2016-11-01

Applicant: HYUNDAI MOTOR COMPANY

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

IPC: F02D13/02 ,  F01L1/34 ,  F01L1/40 ,  F02D41/00 ,  F02D41/26

CPC classification number: F02D13/0215 ,  F01L1/047 ,  F01L1/34 ,  F01L1/40 ,  F01L13/0015 ,  F01L2001/0537 ,  F01L2800/06 ,  F01L2800/10 ,  F02D13/0234 ,  F02D13/0238 ,  F02D13/0249 ,  F02D13/0261 ,  F02D41/0007 ,  F02D41/26 ,  F02D2041/001 ,  F02D2041/002 ,  F02D2200/101 ,  Y02T10/144 ,  Y02T10/18

Abstract: The present disclosure provides a system and a method for controlling valve timing of a continuous variable valve duration. The method may include: classifying a plurality of control regions depending on an engine speed and an engine speed; applying a maximum duration to an intake valve in a first control region; maintaining the maximum duration of the intake valve and controlling the exhaust valve to reach a maximum duration in a second control region; advancing intake valve closing (IVC) timing and exhaust valve closing (EVC) timing in a third control region; controlling the IVC timing to be close to bottom dead center (BDC) in a fourth control region; controlling a throttle valve to be fully opened and controlling the IVC timing to an angle after BDC in a fifth control region; and controlling the throttle valve to be fully opened and advancing the IVC timing in a sixth control region.

公开(公告)号：US09920665B2

公开(公告)日：2018-03-20

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 ,  F01L1/053 ,  F01L13/06 ,  F01L1/356 ,  F01L1/047 ,  F02D13/04

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.

公开(公告)号：US09909467B2

公开(公告)日：2018-03-06

申请号：US14940482

申请日：2015-11-13

Applicant: Hyundai Motor Company

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

IPC: F01L1/34 ,  F01L1/352 ,  F01L1/08 ,  F01L1/047

CPC classification number: F01L1/352 ,  F01L1/047 ,  F01L1/0532 ,  F01L1/08 ,  F01L13/0015 ,  F01L2001/0473 ,  F01L2013/103

Abstract: A continuously variable valve timing 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 an upper 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.

公开(公告)号：US09890670B2

公开(公告)日：2018-02-13

申请号：US14955952

申请日：2015-12-01

Applicant: Hyundai Motor Company

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

IPC: F01L1/16 ,  F01L13/00 ,  F01L1/18 ,  F01L1/24 ,  F01L1/26

CPC classification number: F01L13/0015 ,  F01L1/18 ,  F01L1/185 ,  F01L1/2405 ,  F01L1/26 ,  F01L1/267 ,  F01L13/00 ,  F01L13/0026 ,  F01L13/0063 ,  F01L2013/0068 ,  F01L2013/0084 ,  F01L2105/00

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 of which a position is rotatable around a pivot shaft, a control portion engaged with the slider housing and configured to selectively rotate the slider housing around the pivot shaft, an output portion rotatable around the pivot shaft, contacting the cam and onto which a valve shoe is formed, and a valve device contacting the valve shoe and driven by rotation of the cam.

公开(公告)号：US09874154B2

公开(公告)日：2018-01-23

申请号：US15258148

申请日：2016-09-07

Applicant: HYUNDAI MOTOR COMPANY

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

IPC: F02D13/04 ,  F02D13/02 ,  F01L13/00

CPC classification number: F02D13/0215 ,  F01L1/053 ,  F01L1/344 ,  F01L13/0015 ,  F01L2001/0537 ,  F01L2001/34496 ,  F01L2013/111 ,  F01L2250/02 ,  F01L2800/00 ,  F02D13/0226 ,  F02D13/0261 ,  F02D2200/1002 ,  F02D2200/101 ,  Y02T10/18

Abstract: A method for controlling valve timing of an engine includes: classifying control regions depending on an engine speed and an engine load, and applying a maximum duration to an intake valve and controlling a valve overlap in the first control region; advancing an intake valve closing (IVC) timing and applying the maximum duration to the exhaust valve in the second control region; advancing both the IVC timing and an exhaust valve closing (EVC) timing in the third control region; fixing an exhaust valve opening (EVO) timing and approaching the EVC timing to a top dead center (TDC) in the fourth control region; controlling a wide open throttle valve (WOT) and retarding the EVO timing in the fifth control region; and controlling the WOT, advancing the EVO timing, and approaching the EVC timing to the TDC in the sixth control region.