公开(公告)号：US20160160707A1

公开(公告)日：2016-06-09

申请号：US14737776

申请日：2015-06-12

Applicant: Hyundai Motor Company

Inventor： Myungsik CHOI ,  Gee Wook Shin ,  Won Gyu Kim ,  Gyu Han Hwang ,  Young Hong Kwak ,  Yoonsik Woo

IPC: F01L13/00 ,  F01L1/18

CPC classification number: F01L13/0021 ,  F01L1/18 ,  F01L1/185 ,  F01L1/2405 ,  F01L1/267 ,  F01L13/0005 ,  F01L2001/186 ,  F01L2001/467

Abstract: A variable valve lift apparatus to vary lift of a valve disposed at an engine may include an outer body selectively making a lever motion according to rotation of a cam, being adapted such that the valve is connected with one end thereof and a pivot axis of the lever motion is disposed at another end thereof, and forming an inside space, an inner body disposed in the inside space of the outer body and adapted such that one end thereof is rotatably connected with the one end of the outer body, a connecting shaft disposed so as to penetrate the one end of the outer body and the one end of the inner body and connect the outer body with the inner body, and a lost motion spring provided so as to return the inner body which is relatively rotated with the outer body around the connecting shaft.

Abstract translation: 用于改变设置在发动机上的阀的升程的可变气门提升装置可以包括外壳体，其选择性地根据凸轮的旋转而使杠杆运动，其适于使得阀与其一端连接， 杠杆运动设置在其另一端，并形成内部空间，内体设置在外体的内部空间中，并且适于使其一端可旋转地与外体的一端连接，连接轴设置 以便穿透外体的一端和内体的一端，并将外体与内体连接，并且设置有使弹簧回弹的内部主体，该内体与外体相对旋转 围绕连接轴。

公开(公告)号：US09359945B2

公开(公告)日：2016-06-07

申请号：US13722362

申请日：2012-12-20

Applicant: Hyundai Motor Company

Inventor： Eun Ho Lee ,  Jin Kook Kong ,  Dong Seok Lee ,  Soo Hyung Woo ,  Yoonsik Woo

IPC: F02B75/04

CPC classification number: F02B75/047 ,  F02B75/045

Abstract: A variable compression ratio apparatus mounted on an engine configured to receive combustion force of a mixer from a piston to rotate a crankshaft, and configured to change a compression ratio of the mixer may include an eccentric bearing assembly connected with the piston through a piston pin, and including an eccentric ring including an eccentric hole through which the piston pin passes so that the piston pin may be rotatably installed while being eccentric to the eccentric ring, and an eccentric link connected to the eccentric ring to transfer rotation force thereof to the eccentric ring, a connecting rod including one end provided with a mounting hole into which the eccentric ring may be rotatably inserted, a central portion provided with an operation hole, wherein the eccentric link may be movable through the operation hole, and the other end rotatably connected to the crankshaft while being eccentric to the crankshaft, and a control shaft connected to the eccentric link and configured to rotate the eccentric bearing assembly.

Abstract translation: 安装在发动机上的可变压缩比装置，其配置成从活塞接收旋转曲轴的混合器的燃烧力，并且构造成改变混合器的压缩比，可以包括通过活塞销与活塞连接的偏心轴承组件， 并且包括偏心环，所述偏心环包括活塞销穿过的偏心孔，使得活塞销可偏心偏心环可旋转地安装，偏心连杆与偏心环连接以将其转动力传递到偏心环 连接杆，其一端设置有偏心环可旋转地插入的安装孔，设置有操作孔的中心部分，其中偏心连杆可以通过操作孔移动，另一端可旋转地连接到 曲轴同时偏心于曲轴，以及控制轴，连接到偏心连杆并配合 固定以旋转偏心轴承组件。

公开(公告)号：US09188067B2

公开(公告)日：2015-11-17

申请号：US14089134

申请日：2013-11-25

Applicant: Hyundai Motor Company

Inventor： Yoonsik Woo ,  Eun Ho Lee ,  Han Sang Kim ,  Yun Seok Kim

IPC: F02D15/02 ,  F02D15/04

CPC classification number: F02D15/04

Abstract: A variable compression ratio device may include a piston assembly having double pistons of which the volume may be varied, a lifter relatively moving one piston of the double pistons with respect to the other piston of the double pistons, a guide unit engaged with the piston assembly and guiding a movement of the one piston with respect to the other piston, and a locking unit selectively coupling the one piston to the other piston.

Abstract translation: 可变压缩比装置可以包括具有双活塞的活塞组件，体积可以变化，升降器相对于双活塞的另一活塞相对移动双活塞的一个活塞，与活塞组件接合的引导单元 并且引导所述一个活塞相对于所述另一活塞的运动，以及锁定单元，其将所述一个活塞选择性地联接到所述另一个活塞。

公开(公告)号：US09447739B2

公开(公告)日：2016-09-20

申请号：US14485479

申请日：2014-09-12

Applicant: Hyundai Motor Company

Inventor： Won Gyu Kim ,  Eun Ho Lee ,  Young Hong Kwak ,  Myungsik Choi ,  Yoonsik Woo

IPC: F02B75/04 ,  F02D15/04

CPC classification number: F02D15/04

Abstract: A variable compression ratio engine includes a variable chamber housing in fluidic communication with a combustion chamber of the engine, a chamber plunger slidably disposed within the variable chamber housing and forming a variable chamber together with the variable chamber housing, a hydraulic pressure cylinder connected with the variable chamber housing, a hydraulic piston slidably disposed within the hydraulic pressure cylinder, having a slider protruded to form first and second operation chambers with the hydraulic pressure cylinder and connected with the chamber plunger, a control plunger connected with the hydraulic piston, a control cylinder for receiving the control plunger and slidable with respect to the control plunger, a compression ratio control portion selectively moving the control cylinder along the length direction, and hydraulic pressure lines supplying control hydraulic pressure to the first or second operation chamber or releasing the control hydraulic pressure from the first or second operation chamber according to relative positions of the control cylinder.

Abstract translation: 可变压缩比发动机包括与发动机的燃烧室流体连通的可变腔室壳体，可滑动地设置在可变腔室壳体内并与可变腔室壳体一起形成可变腔室的腔室柱塞，与该腔室柱塞连接的液压缸 可变室壳体，可滑动地设置在液压缸内的液压活塞，具有突出的滑块，用于与液压缸形成第一和第二操作室并与室柱塞连接，与液压活塞连接的控制柱塞，控制缸 用于接收所述控制柱塞并相对于所述控制柱塞滑动的压缩比控制部分，选择性地沿着所述长度方向移动所述控制缸;以及液压管线，其向所述第一或第二操作室提供控制液压，或者释放所述控制液压 来了 根据控制气缸的相对位置设置第一或第二操作室。

公开(公告)号：US20150101562A1

公开(公告)日：2015-04-16

申请号：US14139756

申请日：2013-12-23

Applicant: Kia Motors Corporation ,  Hyundai Motor Company

Inventor： Myungsik CHOI ,  Gyu Han Hwang ,  Eun Ho Lee ,  Yoonsik Woo ,  Gee Wook Shin ,  Young Hong Kwak ,  Won Gyu Kim ,  Wootae Kim

IPC: F02D17/02

CPC classification number: F01L13/0005 ,  F01L1/143

Abstract: A CDA device includes: an outer body that moves up/down in contact with a cam and has an oil input hole at one side and latching pin chambers; an upper seat disposed inside the outer body; an inner body disposed slidably inside the outer body, has a latching pin hole, and is combined with a valve; a lost motion spring that elastically supports the outer body in a lost motion between the inner body and the outer body; latching pins that are slidably disposed in the latching pin chambers and inserted in the latching pin holes; and latching pin springs that push the latching pins into the latching pin hole, in which hydraulic pressure selectively transmitted from the oil input hole pushes the latching pins and the latching pins are separated from the latching pin holes.

Abstract translation: CDA装置包括：与凸轮接触地上下移动的外体，并且在一侧具有油输入孔和锁定销腔; 设置在外体内的上座; 内体，其可滑动地设置在所述外主体内，具有闭锁销孔，并与阀组合; 一种在内体和外体之间以空动的方式弹性支撑外体的空动弹簧; 闩锁销，其可滑动地设置在闩锁销腔中并插入到锁定销孔中; 以及闩锁销弹簧，其将闩锁销推入闩锁销孔，其中从油输入孔选择性地传送的液压压力推动闩锁销，并且闩锁销与闩锁销孔分离。

公开(公告)号：US20150167563A1

公开(公告)日：2015-06-18

申请号：US14485479

申请日：2014-09-12

Applicant: Hyundai Motor Company

Inventor： Won Gyu Kim ,  Eun Ho Lee ,  Young Hong Kwak ,  Myungsik Choi ,  Yoonsik Woo

IPC: F02D15/04

CPC classification number: F02D15/04

Abstract: A variable compression ratio engine includes a variable chamber housing in fluidic communication with a combustion chamber of the engine, a chamber plunger slidably disposed within the variable chamber housing and forming a variable chamber together with the variable chamber housing, a hydraulic pressure cylinder connected with the variable chamber housing, a hydraulic piston slidably disposed within the hydraulic pressure cylinder, having a slider protruded to form first and second operation chambers with the hydraulic pressure cylinder and connected with the chamber plunger, a control plunger connected with the hydraulic piston, a control cylinder for receiving the control plunger and slidable with respect to the control plunger, a compression ratio control portion selectively moving the control cylinder along the length direction, and hydraulic pressure lines supplying control hydraulic pressure to the first or second operation chamber or releasing the control hydraulic pressure from the first or second operation chamber according to relative positions of the control cylinder.

Abstract translation: 可变压缩比发动机包括与发动机的燃烧室流体连通的可变腔室壳体，可滑动地设置在可变腔室壳体内并与可变腔室壳体一起形成可变腔室的腔室柱塞，与该腔室柱塞连接的液压缸 可变室壳体，可滑动地设置在液压缸内的液压活塞，具有突出的滑块，用于与液压缸形成第一和第二操作室并与室柱塞连接，与液压活塞连接的控制柱塞，控制缸 用于接收所述控制柱塞并相对于所述控制柱塞滑动的压缩比控制部分，选择性地沿着所述长度方向移动所述控制缸;以及液压管线，其向所述第一或第二操作室提供控制液压，或者释放所述控制液压 来了 根据控制气缸的相对位置设置第一或第二操作室。

公开(公告)号：US09021994B2

公开(公告)日：2015-05-05

申请号：US13712641

申请日：2012-12-12

Applicant: Hyundai Motor Company

Inventor： Yoonsik Woo ,  Jin Kook Kong ,  Dong Seok Lee ,  Eun Ho Lee ,  Soo Hyung Woo

IPC: F02B75/04 ,  F01M11/02

CPC classification number: F02B75/045 ,  F01M11/02

Abstract: A variable compression ratio apparatus includes: a piston defining a combustion chamber, a connecting rod connected to the piston; an eccentric link eccentrically connected to the piston, a swing link connected to the eccentric link so as to rotate the eccentric link, a crankpin to which the connecting rod is connected, and a crank web disposed at both sides of the crankpin and provided with a guide portion for guiding downward motions of the eccentric link and the swing link when the eccentric link and the swing link move downward. Thereby, the downward motions of the eccentric link and the swing link are stabilized.

Abstract translation: 可变压缩比装置包括：限定燃烧室的活塞，连接到活塞的连杆; 偏心地连接到活塞的偏心连杆，连接到偏心连杆以便使偏心连杆旋转的摆动连杆，连接杆所连接的曲柄销，以及设置在曲柄销两侧的曲柄腹板， 引导部分，用于当偏心连杆和摆动连杆向下移动时引导偏心连杆和摆动杆的向下运动。 由此，偏心连杆和摆动连杆的向下运动稳定。

公开(公告)号：US08667934B1

公开(公告)日：2014-03-11

申请号：US13725372

申请日：2012-12-21

Applicant: Hyundai Motor Company

Inventor： Yoonsik Woo ,  Jin Kook Kong ,  Dong Seok Lee ,  Eun Ho Lee ,  Soo Hyung Woo

IPC: F02B75/04

CPC classification number: F02B75/04 ,  F02B75/044 ,  F02B75/045 ,  F02D15/02

Abstract: An engine may include a crankshaft, a piston, a connecting rod that connects a crank pin of the crankshaft with the piston, and a compression ratio variable device that varies a distance between the piston and the crank pin, wherein the compress ratio variable device includes: a block cover mounted on an outside of the engine block and a cover journal portion and a worm wheel mounting space are formed therein, a control shaft contacting the cover journal portion and an operating arm protruding from an exterior circumference of the control shaft, and a motor portion, wherein a worm connected to the motor portion is mounted to the block cover, the worm being engaged with the worm wheel so as to rotate the control shaft according to the motor portion, wherein a distance between the piston and the crank pin is varied by a rotation of the control shaft.

Abstract translation: 发动机可以包括曲轴，活塞，将曲轴的曲柄销与活塞连接的连杆以及改变活塞和曲柄销之间的距离的压缩比可变装置，其中压缩比可变装置包括 ：安装在发动机缸体的外侧的挡块盖和盖轴颈部分和蜗轮安装空间，其中控制轴接触盖轴颈部分和从控制轴的外周伸出的操作臂，以及 马达部分，其中连接到所述马达部分的蜗杆安装到所述块盖上，所述蜗杆与所述蜗轮啮合，以便根据所述马达部分旋转所述控制轴，其中所述活塞和所述曲柄销之间的距离 通过控制轴的旋转而变化。

公开(公告)号：US09169774B2

公开(公告)日：2015-10-27

申请号：US14312332

申请日：2014-06-23

Applicant: Hyundai Motor Company

Inventor： Yoonsik Woo ,  Eun Ho Lee ,  Seung Kook Han

IPC: F16C7/06 ,  F02B75/04

CPC classification number: F02B75/044 ,  F02B75/045

Abstract: A variable compression ratio engine that changes the compression ratio may include a piston disposed to be reciprocated in a cylinder by combustion, a crankshaft rotatably disposed at a predetermined distance from the piston, a crank arm with one end connected with the piston and the other end connected with the crankshaft, a connecting rod connected with the crank arm through a crankpin and with the piston through a piston pin and having an oil chamber, an eccentric cam disposed between the crankpin and the connecting rod and being off-center from the crankpin, a variable piston disposed in the oil chamber to be moved by supplied oil, and a link connecting the variable piston with the eccentric cam to rotate the eccentric cam with movement of the variable piston.

Abstract translation: 改变压缩比的可变压缩比发动机可以包括：设置成通过燃烧在气缸中往复运动的活塞;可旋转地设置在距离活塞预定距离的曲轴;曲柄臂，其一端与活塞连接，另一端 与曲轴连接的连杆通过曲柄销与曲柄臂连接，活塞通过活塞销并具有油室，偏心凸轮设置在曲柄销和连杆之间，并与曲柄销偏心， 设置在所述油室中的可变活塞，由供给的油移动，以及将所述可变活塞与所述偏心凸轮连接的连杆，以通过所述可变活塞的移动来旋转所述偏心凸轮。

公开(公告)号：US09140182B2

公开(公告)日：2015-09-22

申请号：US14098533

申请日：2013-12-06

Applicant: Hyundai Motor Company

Inventor： Yoonsik Woo ,  Jin Kook Kong ,  Ju Hun Lee ,  Eun Ho Lee ,  Dong Seok Lee ,  Soo Hyung Woo

IPC: F01L1/34 ,  F02B75/04

CPC classification number: F02B75/04 ,  F02B75/045

Abstract: Disclosed is a variable compression ratio control system configured to change a top dead center of a piston in an engine according to an operation state of the engine. The control system may include a motor provided as a power source, a control shaft coupled to the piston, wherein the control shaft changes the top dead center of the piston by a rotation of the control shaft, a driving shaft connected to the motor and to be rotated by the motor, an operation unit movable in a shaft direction of the driving shaft by a rotation of the driving shaft, and an operation link protruding from one portion of an exterior circumferential surface of the control shaft, wherein the operation unit is connected with the operation link so that the operation link rotates the control shaft while the operation unit moves in the shaft direction of the driving shaft.

Abstract translation: 公开了一种可变压缩比控制系统，其被配置为根据发动机的运行状态改变发动机中的活塞的上止点。 控制系统可以包括设置为动力源的马达，连接到活塞的控制轴，其中控制轴通过控制轴的旋转，与马达连接的驱动轴和连接到马达的驱动轴来改变活塞的上止点，并且 由电动机旋转，可通过驱动轴的旋转沿驱动轴的轴向移动的操作单元和从控制轴的外周面的一部分突出的操作连杆，其中操作单元连接 操作连杆使得操作连杆在操作单元沿着驱动轴的轴方向移动时旋转控制轴。