公开(公告)号：US20250092838A1

公开(公告)日：2025-03-20

申请号：US18883213

申请日：2024-09-12

Applicant: HYUNDAI MOTOR COMPANY ,  Kia Corporation

Inventor： Sangyeon HAN ,  Kiyoung KWON ,  Jinyoung JUNG ,  Young Nam KIM ,  You Sang SON ,  Back Sik KIM ,  Sangjae PARK

IPC: F02D41/00 ,  F01L1/34

Abstract: A control method controlling valve opening and closing for an engine including an intake CVVD apparatus, an intake CVVT apparatus, an exhaust CVVD apparatus, and an exhaust CVVT apparatus is disclosed. The control method includes determining, by a controller, a driving condition region among a predetermined plurality of driving condition regions of the engine defined based on a speed and a torque of the engine, and controlling, by the controller, opening timing and closing timing of each intake valve and exhaust valve wherein the driving condition region of the engine corresponds to a predetermined low torque region, the controller outputs a control signal so that an intake valve closing (IVC) timing is before bottom dead center, and an exhaust valve opening (EVO) timing is before the bottom dead center.

公开(公告)号：US20180100453A1

公开(公告)日：2018-04-12

申请号：US15839596

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: F02D41/00 ,  F02D13/02

CPC classification number: F02D41/0002 ,  F01L1/047 ,  F01L1/267 ,  F01L1/34 ,  F01L1/344 ,  F01L1/356 ,  F01L13/0015 ,  F01L2001/0473 ,  F01L2001/0537 ,  F01L2001/34496 ,  F01L2013/103 ,  F01L2250/02 ,  F01L2800/00 ,  F01L2800/01 ,  F01L2800/04 ,  F01L2820/041 ,  F01L2820/042 ,  F02D13/0211 ,  F02D13/0215 ,  F02D13/0261 ,  F02D41/009 ,  F02D2041/001 ,  F02D2041/002 ,  F02D2200/0406 ,  F02D2200/101 ,  Y02T10/18 ,  Y02T10/42

Abstract: A method for controlling intake and exhaust valves of an engine includes: Controlling opening and closing timings of the intake and exhaust valves by an intake continuous variable valve timing (CVVT) device and an exhaust CVVT devices; determining, by a controller, target intake and exhaust opening durations of the intake and exhaust valves, and target opening and closing timings of the valves based on an engine load and an engine speed; modifying current intake and exhaust opening durations based on the target opening durations via an intake continuous variable valve duration (CVVD) device and an exhaust CVVD device; adjusting opening or closing timings of the valves to the target opening or closing timings of the valves while maintaining the modified opening durations of the valves.

公开(公告)号：US20170234243A1

公开(公告)日：2017-08-17

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 ,  F02D41/14 ,  F02D41/02 ,  F02D41/00 ,  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：US20200173375A1

公开(公告)日：2020-06-04

申请号：US16511900

申请日：2019-07-15

Applicant: HYUNDAI MOTOR COMPANY ,  KIA MOTORS CORPORATION

Inventor： Jin Woo CHOUNG ,  Kiyoung KWON

IPC: F02D13/02 ,  F02P5/04 ,  F02P5/15 ,  F01N3/10

Abstract: A system of controlling an engine includes: an engine including a combustion chamber, an intake valve, an ignition switch, and an exhaust valve; a dual continuously variable valve duration device to adjust an intake duration of the intake valve and an exhaust duration of the exhaust valve; and a controller for adjusting an ignition timing of the ignition switch, the intake duration, and the exhaust duration based on a driving condition of the vehicle. In particular, until the temperature of the exhaust gas reaches a predetermined temperature after the engine starts, the controller sets the ignition timing to an ignition timing within a predetermined ignition timing range, sets the intake duration of the intake valve to an intake duration within a predetermined intake duration range, and increases the exhaust duration of the exhaust valve to a limit exhaust duration according to the set intake duration.

公开(公告)号：US20180163582A1

公开(公告)日：2018-06-14

申请号：US15806534

申请日：2017-11-08

Applicant: Hyundai Motor Company ,  Kia Motors Corporation

Inventor： You Sang SON ,  lngee SUH ,  Kiyoung KWON ,  In Sang RYU ,  Kyoung Pyo HA ,  Dongheon PARK ,  Wootae KIM ,  Back Sik KIM ,  Seung Jae LEE

IPC: F01L13/00

Abstract: 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.

公开(公告)号：US20170167408A1

公开(公告)日：2017-06-15

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

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：US20170167402A1

公开(公告)日：2017-06-15

申请号：US15258043

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 ,  F02D41/00 ,  B60W10/06 ,  F02D41/14 ,  F02D41/02 ,  B60W20/10 ,  F01L1/047 ,  F02D41/26

CPC classification number: F02D13/0215 ,  B60W10/06 ,  B60W20/10 ,  F01L1/047 ,  F01L1/053 ,  F01L1/34 ,  F01L13/0015 ,  F01L2001/0537 ,  F01L2001/34496 ,  F01L2800/00 ,  F02D13/0261 ,  F02D41/0002 ,  F02D41/0235 ,  F02D41/1498 ,  F02D41/26 ,  F02D2041/002 ,  F02D2200/101 ,  Y02T10/18 ,  Y02T10/42 ,  Y10S903/905

Abstract: The method for controlling valve timing for a turbo engine includes: classifying control regions depending on an engine speed and an engine load; applying a maximum duration to an intake valve and applying a long duration to an exhaust valve in a first control region; applying the maximum duration to the intake and applying the long duration to the exhaust valve in a second control region; applying the long duration to the exhaust valve and advancing an intake valve closing (IVC) timing in the third control region; applying a short duration to the exhaust valve and controlling the IVC timing in the fourth control region; controlling a wide open throttle valve (WOT) and applying the short duration to the exhaust valve in the fifth control region; controlling a WOT and controlling the IVC timing by applying the long duration to the exhaust valve in the sixth control region.

公开(公告)号：US20170167399A1

公开(公告)日：2017-06-15

申请号：US15257107

申请日：2016-09-06

Applicant: HYUNDAI MOTOR COMPANY

Inventor： In Sang RYU ,  Kyoung Pyo HA ,  You Sang SON ,  Kiyoung KWON

IPC: F02D13/02 ,  F02M35/104 ,  F01L1/34 ,  F02D41/26 ,  F01L1/047

CPC classification number: F02D13/0215 ,  F01L1/34 ,  F01L1/356 ,  F01L13/0015 ,  F01L2001/0473 ,  F01L2001/0537 ,  F01L2001/34496 ,  F01L2250/02 ,  F01L2800/00 ,  F01L2820/041 ,  F01L2820/042 ,  F02D13/0261 ,  F02D41/0002 ,  F02D41/009 ,  F02D2041/001 ,  F02D2041/002 ,  F02D2200/101 ,  F02M35/104 ,  Y02T10/18 ,  Y02T10/42

Abstract: A method for controlling valve timing of an engine may include: classifying control regions; 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 an exhaust valve in a second control region; controlling a manifold absolute pressure (MAP) of an intake manifold to be maintained constant in a third control region; controlling a wide open throttle valve (WOT) and creating a valve overlap by reducing interference of exhaust in a fourth control region; and controlling a wide open throttle valve (WOT) and controlling an intake valve closing timing based on the engine speed. In particular, the control regions are classified by a controller based on an engine load and an engine speed compared with predetermined values, respectively.

公开(公告)号：US20170167394A1

公开(公告)日：2017-06-15

申请号：US15265011

申请日：2016-09-14

Applicant: HYUNDAI MOTOR COMPANY

Inventor： In Sang RYU ,  Kyoung Pyo HA ,  You Sang SON ,  Kiyoung KWON

IPC: F02D13/02 ,  F02D41/00 ,  F02D41/26

CPC classification number: F02D13/0207 ,  F02D13/0215 ,  F02D13/0219 ,  F02D13/0261 ,  F02D41/0002 ,  F02D41/009 ,  F02D41/26 ,  F02D2041/001 ,  F02D2041/002 ,  F02D2200/023 ,  F02D2200/0404 ,  F02D2200/101 ,  F02D2200/501 ,  F02D2200/602 ,  Y02T10/18 ,  Y02T10/42

Abstract: Methods and devices are provided for controlling an engine provided with a continuously variable valve timing (CVVT) device disposed on an intake valve side, and with a continuous variable valve duration (CVVD) device and a continuously variable valve timing (CVVT) disposed on an exhaust valve side according to an exemplary form of the present disclosure. A method may include classifying a plurality of control regions depending on an engine speed and an engine load, and based upon which of the plurality of control regions is a control region of the engine, controlling opening and closing timing of the intake valve, controlling opening and closing timing of the exhaust valve, and controlling open duration of the exhaust valve.

公开(公告)号：US20170167393A1

公开(公告)日：2017-06-15

申请号：US15258154

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 ,  F02D41/00 ,  F02D41/26 ,  F02B25/00

CPC classification number: F02D13/0207 ,  F02B25/00 ,  F02B25/145 ,  F02D13/0215 ,  F02D13/0219 ,  F02D13/0261 ,  F02D41/0007 ,  F02D41/009 ,  F02D41/26 ,  F02D2041/001 ,  F02D2041/002 ,  F02D2200/023 ,  F02D2200/0404 ,  F02D2200/101 ,  F02D2200/501 ,  F02D2200/602 ,  Y02T10/144 ,  Y02T10/18

Abstract: A method for controlling valve timing of a turbo engine may include: classifying by a controller control regions depending on an engine speed and an engine load, and the control regions may include first, second, third, fourth, fifth, and sixth control regions. The method further includes: applying a maximum duration to an intake valve and controlling a valve overlap in the first control region; applying the maximum duration to the intake valve and exhaust valve in the second control region; advancing an intake valve closing (IVC) timing and an exhaust valve closing (EVC) timing in the third control region; approaching the IVC timing to a bottom dead center in a fourth control region; controlling a wide open throttle valve (WOT) in the fifth control region; and controlling the WOT and the IVC timing to reduce the knocking in the sixth control region.