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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
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.
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2.发明申请公开(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
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.
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公开(公告)号：US20140025276A1
公开(公告)日：2014-01-23
申请号：US13730228
申请日：2012-12-28
Applicant: HYUNDAI MOTOR COMPANY , KIA MOTORS CORPORATION
Inventor： In Sang RYU , Jong Bum Park
IPC: F02D41/00
CPC classification number: F02D41/00 , F01L13/0015 , F01L2013/0068 , F01L2013/0073 , F01L2800/00 , F01L2800/04 , F01L2800/05 , F02D13/02 , F02D13/0207 , F02D15/00 , F02D41/08 , F02D41/22 , F02D2041/001 , F02D2200/023 , Y02T10/18
Abstract: A continuous variable valve lift engine may include determining whether an engine is in an idle state and an oil temperature of an engine is within a predetermined range, controlling, the engine in a predetermined control state when the engine is in the idle state and the oil temperature is within the predetermined range, and measuring, an error occurrence time when an error occurs in controlling the engine in the control state, and controlling the engine while switching the engine to a predetermined passive state when the error occurrence time is more than a preset time.
Abstract translation: 连续可变气门升降机可以包括确定发动机是否处于怠速状态并且发动机的油温在预定范围内，当发动机处于怠速状态时控制发动机处于预定控制状态，并且油 温度在预定范围内，并且测量在控制发动机处于控制状态时发生错误时的错误发生时间，并且当发生错误发生时间大于预设值时，将发动机切换到预定被动状态 时间。
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4.发明申请公开(公告)号：US20180100454A1
公开(公告)日：2018-04-12
申请号：US15840079
申请日：2017-12-13
Applicant: HYUNDAI MOTOR COMPANY , KIA MOTORS CORPORATION
Inventor： In Sang RYU , Kyoung Pyo HA , You Sang SON , Kiyoung KWON
CPC classification number: F02D41/0002 , F01L1/047 , F01L1/053 , F01L1/344 , F01L13/0015 , F01L2001/0537 , F02D13/0211 , F02D13/0215 , F02D13/0261 , F02D41/009 , F02D41/18 , F02D2041/001 , F02D2041/002 , F02D2200/023 , F02D2200/101 , F02D2200/501 , F02D2200/602 , Y02T10/18 , Y02T10/42
Abstract: A method for controlling intake and exhaust valves of an engine includes: controlling, by an intake continuous variable valve timing (CVVT) device, opening and closing timings of the intake valve; controlling, by an exhaust CVVT device, opening and closing timing of the exhaust valve; determining, by a controller, first to fifth control regions based on engine load and speeds, and a target opening duration of the intake valve and target opening or target closing timings of the intake valve; modifying, by an intake continuous variable valve duration (CVVD) device, current opening and closing timings of the intake valve based on the target opening duration; and advancing or retarding, by the intake CVVD device, the current opening timing of the intake valve while simultaneously retarding or advancing the current closing timing of the intake valve by a predetermined value based on the target opening duration of the intake valve.
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公开(公告)号：US20180100445A1
公开(公告)日：2018-04-12
申请号：US15839566
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 , F01L1/053 , F01L1/34 , F01L1/344 , F01L13/0015 , F01L2001/0537 , F01L2001/34496 , F01L2013/103 , F01L2800/00 , F02D13/0211 , F02D13/0215 , F02D13/0261 , F02D41/0002 , F02D41/0235 , F02D41/1498 , F02D2009/0235 , F02D2041/002 , F02D2200/1002 , F02D2200/101 , Y02T10/18 , Y02T10/42 , Y10S903/905
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 two-stage variable valve duration device, current opening and closing timings of the intake valve and exhaust valve based on the target opening durations. In particular, the exhaust two-stage VVD device switches a current opening duration of the exhaust valve to a first exhaust opening duration or a second exhaust opening duration which is shorter than the first opening duration based on the target opening duration of the exhaust valve.
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Patent Agency Ranking
6.发明申请公开(公告)号：US20170167407A1
公开(公告)日：2017-06-15
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
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.
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公开(公告)号：US20170167401A1
公开(公告)日：2017-06-15
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
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.
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8.发明申请公开(公告)号：US20170167396A1
公开(公告)日：2017-06-15
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
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.
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公开(公告)号：US20190153913A1
公开(公告)日：2019-05-23
申请号：US16169578
申请日：2018-10-24
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
CPC classification number: F01L13/0015 , F01L1/0532 , F01L1/08 , F01L1/34 , F01L1/352 , F01L2001/0476 , F01L2001/0537 , F01L2013/0084 , F01L2013/103 , F02D41/009
Abstract: A continuous variable valve duration apparatus may include: a camshaft; a cam unit on which a cam is formed, and the camshaft inserted to the cam; an inner wheel for transmitting rotation of the camshaft to the cam unit; a wheel housing into which the inner wheel is rotatably inserted and movable perpendicular to the camshaft; a guide shaft on which a guide screw thread is formed and disposed perpendicular to the camshaft; a worm wheel formed with an inner screw thread for engaging with the guide screw thread, and the worm wheel disposed within the wheel housing; and a control shaft on which a control worm for engaging with the worm wheel is formed.
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公开(公告)号：US20180100448A1
公开(公告)日：2018-04-12
申请号：US15839626
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 , F01L1/356 , F01L13/0015 , F01L2001/0473 , F01L2001/0537 , F01L2013/103 , F01L2800/00 , F02D13/0215 , F02D13/0261 , F02D41/0002 , F02D2009/0235 , F02D2041/001 , F02D2041/002 , F02D2200/04 , F02D2200/0406 , F02D2200/1002 , F02D2200/101 , Y02T10/18 , Y02T10/42 , Y10S903/905
Abstract: A method for controlling intake and exhaust valves of an engine may include: determining, by a controller, a target opening duration of the intake and exhaust valves according to a control region determined 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, opening and closing timings of the intake valve and exhaust valve based on the target opening duration of the valves; and advancing or retarding, by the intake and/or exhaust CVVD devices, the opening timing of the intake and exhaust valves while simultaneously retarding or advancing the closing timing of the intake and exhaust valve by a predetermined value based on the target opening durations. In particular, the controller classifies five control regions based on the engine load and speed.
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