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公开(公告)号：US20180149100A1
公开(公告)日：2018-05-31
申请号：US15822431
申请日：2017-11-27
Applicant: Hyundai Motor Company , Kia Motors Corporation
Inventor： Gee Wook Shin , Won Gyu KIM
CPC classification number: F02D41/0087 , F02D13/0223 , F02D13/06 , F02D17/02 , F02D37/02 , F02D41/0002 , F02D2013/0296 , F02D2041/0012 , F02D2200/023 , F02D2200/0406 , F02D2200/101 , F02D2200/501 , F02D2200/602 , F02D2250/18 , F02D2250/21 , F02D2250/22 , F02P5/045 , F02P5/1502 , Y02T10/18 , Y02T10/42 , Y02T10/46
Abstract: A cylinder de-activation control method and a cylinder de-activation system are disclosed. A cylinder de-activation control method of an engine having an odd number of cylinders may include: receiving operation state signals of a vehicle; determining whether the operation state signals correspond to a CDA mode driving region of a CDA apparatus; preparing a CDA driving mode of the CDA apparatus when the operation state signals correspond to the CDA mode driving region; and performing a CDA mode conversion on each cylinder.
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公开(公告)号：US20160160708A1
公开(公告)日：2016-06-09
申请号：US14957104
申请日：2015-12-02
Applicant: Hyundai Motor Company
Inventor： Myungsik CHOI , Won Gyu KIM , Young Hong KWAK
IPC: F01L13/00
CPC classification number: F01L13/0047 , F01L1/18 , F01L1/185 , F01L1/267 , F01L13/0005 , F01L13/0036 , F01L2001/186 , F01L2001/467 , F01L2105/00
Abstract: A variable valve lift apparatus may include: an outer body selectively making a lever motion according to rotation of a cam, a first inner body disposed in the any one inside space of the outer body and adapted, a second inner body disposed in the other one inside space of the outer body, a connecting shaft disposed to penetrate the one end of the outer body, the one end of the first inner body, and the one end of the second inner body and connect the outer body with the first and second inner bodies, a first lost motion spring to return the first inner body relatively rotated with the outer body around the connecting shaft, and a second lost motion spring to return the second inner body relatively rotated with the outer body around the connecting shaft.
Abstract translation: 可变气门提升装置可以包括：根据凸轮的旋转选择性地制作杠杆运动的外体，设置在外体的任何一个内部空间中的第一内体，并且适于设置在另一个中的第二内体 外体的内部空间，设置成穿过外体的一端，第一内体的一端和第二内体的一端的连接轴，并且将外体与第一内侧和第二内侧连接 第一空动弹簧，使第一内体与外体相对地绕连接轴相对地旋转;以及第二空动弹簧，用于使第二内体与外主体围绕连接轴相对旋转。
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公开(公告)号：US20220364537A1
公开(公告)日：2022-11-17
申请号：US17530202
申请日：2021-11-18
Applicant: Hyundai Motor Company , Kia Corporation
Inventor： Kiseon SIM , Dongwon JUNG , Won Gyu KIM , Jin Oh SONG , Soo Hyung WOO
Abstract: An ignition coil control system may include first and second ignition coils, and a spark plug including a pair of electrodes in which generates spark discharge by discharge currents of the first ignition coil and the second ignition coil, a DC-DC converter connected to a primary coil of the first ignition coil, a primary coil of the second ignition coil and a battery; in which converts current magnitude supplied to a primary coil of the first ignition coil and a primary coil of the second ignition coil from a battery, and a controller in which controls the spark discharge of the electrodes by adjusting an amount and a duration of the discharge current of the first ignition coil and the second ignition coil base on a pulse signal, wherein the controller is configured to selectively execute a multi-state ignition through the first ignition coil and the second ignition coil and a single-stage ignition through one of the first ignition coil and the second ignition coil according to an operation region of an engine.
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公开(公告)号：US20150114356A1
公开(公告)日：2015-04-30
申请号：US14447294
申请日：2014-07-30
Applicant: Hyundai Motor Company
Inventor： Won Gyu KIM , Myungsik CHOI
CPC classification number: F02B75/04 , F02B75/042 , F02D15/02 , F02D15/04
Abstract: A variable compression ratio apparatus may include an operating unit operated by hydraulic pressure to reciprocate the plunger, an oil control valve controlling hydraulic pressure supplied to the operating unit, an oil supplying unit storing oil supplied to the operating unit via the oil control valve and transmitting the stored oil to the oil control valve, an actuator operating the oil control valve, and a controller connected with the actuator to control the actuator according to an operational state of an engine.
Abstract translation: 可变压缩比装置可以包括通过液压来操作的操作单元，使柱塞往复运动;控制供给操作单元的液压的油控制阀;供油单元，其通过油控制阀存储供给到操作单元的油， 存储的油到油控制阀，操作油控制阀的致动器以及与致动器连接的控制器，以根据发动机的操作状态来控制致动器。
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公开(公告)号：US20170284455A1
公开(公告)日：2017-10-05
申请号：US15258014
申请日：2016-09-07
Applicant: HYUNDAI MOTOR COMPANY
Inventor： Won Gyu KIM , Myungsik CHOI
Abstract: A variable compression ratio apparatus may include: a piston pin; a small diameter eccentric cam disposed on a piston; a large diameter eccentric cam disposed between the small diameter eccentric cam and a small end portion of a connecting rod; a first plunger movably disposed in a first plunger space inside the piston pin; a second plunger movably disposed in a second plunger space formed inside the piston pin; and first and second oil injection nozzles disposed at a lower portion of the piston. In particular, the first and second oil injection nozzles control a control position of the first and second plungers by supplying hydraulic pressure to an end portion of the first plunger and the other portion of the second plunger through first and second guide passages formed inside the piston by injecting oil to the lower portion of the piston.
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Patent Agency Ranking
公开(公告)号：US20170268419A1
公开(公告)日：2017-09-21
申请号：US15267851
申请日：2016-09-16
Applicant: Hyundai Motor Company
Inventor： Won Gyu KIM
CPC classification number: F02B75/04 , F02B75/045 , F02D15/02 , F16C7/06 , F16C2360/22 , F16J1/16 , F16J7/00
Abstract: The present disclosure provides a variable compression ratio device including a piston, a piston pin, an eccentric cam, a connecting rod, a crank pin, a hydraulic pump, an oil jet injection nozzle, an oil jet control valve, and a control unit. In addition, a groove formed in a rotating direction of the eccentric cam is divided into a first chamber and a second chamber. The piston pin receives a hydraulic pressure through a path formed inside the crank pin and the connecting rod and receives the oil injected from the oil jet injection nozzle to control the hydraulic pressure supplied to the first chamber and the second chamber of the eccentric cam, thereby controlling the rotation position of the eccentric cam.
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公开(公告)号：US20220275782A1
公开(公告)日：2022-09-01
申请号：US17359962
申请日：2021-06-28
Applicant: HYUNDAI MOTOR COMPANY , KIA CORPORATION
Inventor： Kiseon SIM , Dongwon JUNG , Won Gyu KIM , Jin Oh SONG , Soo Hyung WOO
Abstract: An ignition coil control system includes: a first ignition coil; a second ignition coil; a spark plug generating spark discharge by a discharge current generated in the first ignition coil and the second ignition coil; and an ignition controller that controls spark discharge of the electrode by adjusting an amount and duration of the discharge current of the first ignition coil and the second ignition coil based on a step pulse signal including different voltages transmitted from an engine control unit (ECU).
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公开(公告)号：US20170268562A1
公开(公告)日：2017-09-21
申请号：US15258003
申请日：2016-09-07
Applicant: HYUNDAI MOTOR COMPANY
Inventor： Myungsik CHOI , Won Gyu KIM
CPC classification number: F16C7/06 , F02B75/045 , F15B11/123 , F15B15/1409 , F15B15/149
Abstract: A variable compression ratio apparatus may include: a connecting rod having an end connected with a crank pin of a crank shaft; a plunger housing formed at the other end of the connecting rod, the plunger housing having a space to which a plunger is inserted. In particular, the plunger moves upwardly and downwardly, and an outer circumference surface of the plunger contacts an inner circumference surface of the plunger housing. The apparatus further includes a protrusion protruded from the plunger to the plunger housing and connected with a piston, and a hydraulic pressure control valve for supplying hydraulic pressure to the space and moving the plunger by supplying hydraulic pressure.
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公开(公告)号：US20180142615A1
公开(公告)日：2018-05-24
申请号：US15649245
申请日：2017-07-13
Applicant: Hyundai Motor Company , Kia Motors Corporation
Inventor： Myungsik CHOI , Won Gyu KIM , Gyu Han HWANG
Abstract: A variable compression ratio apparatus including an eccentric cam interposed at an internal circumference of a front end portion of a connecting rod, in which a first chamber is formed to realize a high compression ratio by a piston by rotating the eccentric cam in one direction and a second chamber is formed to realize a low compression ratio by the piston by rotating the eccentric cam in an opposite direction may include a first spool valve selectively supplying a hydraulic pressure to expand the first chamber or the second chamber for realizing the high compression ratio and the low compression ratio; a second spool valve forming a control hydraulic pressure for the operation of the first spool valve; and an oil control valve controlling the operation of the second spool valve.
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公开(公告)号：US20180087455A1
公开(公告)日：2018-03-29
申请号：US15365819
申请日：2016-11-30
Applicant: Hyundai Motor Company
Inventor： Won Gyu KIM , Myungsik Choi , Gyu Han Hwang
Abstract: A variable compression ratio device may include a piston pin having first and second plunger spaces, a plunger device including a first plunger that is disposed to reciprocate in the first plunger space, a second plunger and a connection pipe that connects between the first and second plungers, a first check valve disposed in a first check space to move oil from a pipe passage to the first check space in a first direction, a second check valve disposed in a second check space to move the oil from the pipe passage to a second check space in a second direction; and a return member elastically supporting the second plunger to one side.
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