公开(公告)号：US20140014071A1

公开(公告)日：2014-01-16

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：US20150159550A1

公开(公告)日：2015-06-11

申请号：US14312332

申请日：2014-06-23

Applicant: Hyundai Motor Company

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

IPC: 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：US20140123957A1

公开(公告)日：2014-05-08

申请号：US13710259

申请日：2012-12-10

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: F02B75/045

Abstract: A variable compression ratio apparatus may include a crankshaft, a connecting rod, first and second eccentric links mounted at both sides of the connection rod, respectively, and having one ends at which the piston pin may be eccentrically and rotatably installed, a swing link of which one end may be branched into two parts to form first and second branches, the first and second branches being connected to the other ends of the first and second eccentric links, and a control device connected to the other end of the swing link to control the swing link, wherein the crank arm includes guide surfaces formed in a predetermined thickness at an inner circumferential surface of the crank arm so that the first and second branches of the swing link slide to move between the guide surfaces.

Abstract translation: 可变压缩比装置可以包括曲轴，连杆，分别安装在连接杆的两侧的第一和第二偏心连杆，并且活塞销可以偏心地并可旋转地安装在其一端，摆动连杆 其一端可以分成两部分以形成第一和第二分支，第一和第二分支连接到第一和第二偏心连杆的另一端，以及控制装置，连接到摆动连杆的另一端以控制 所述摆动连杆，其中所述曲柄臂包括在所述曲柄臂的内周面处以预定厚度形成的引导表面，使得所述回转杆的第一和第二分支滑动以在所述引导表面之间移动。

公开(公告)号：US20140096747A1

公开(公告)日：2014-04-10

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

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：US20140020660A1

公开(公告)日：2014-01-23

申请号：US13711488

申请日：2012-12-11

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: F02B75/045

Abstract: A variable compression ratio apparatus may include a connecting rod having a small end portion having an eccentric bearing installation hole, a large end portion rotatably connected to the crank shaft, and a space portion formed in a longitudinal direction of the connecting rod and communicated with the eccentric bearing installation hole, a piston pin fixedly, an eccentric bearing rotatably engaged to the eccentric bearing installation hole and coupled to the piston pin through a pin installation hole of the eccentric bearing, wherein the piston pin may be offset from a center axis of the eccentric bearing, an eccentric link connected to the eccentric bearing, a variable link rotatably connected to the eccentric link, a control link rotatably connected to the variable link, and a control shaft provided in the control link to rotate the control link, wherein the eccentric link may be rotated within the space portion.

Abstract translation: 可变压缩比装置可以包括具有小端部的连接杆，该端部具有偏心轴承安装孔，可旋转地连接到曲轴的大端部和沿连接杆的纵向方向形成的空间部分， 偏心轴承安装孔，活塞销固定，偏心轴承可旋转地接合到偏心轴承安装孔，并通过偏心轴承的销安装孔与活塞销连接，其中活塞销可偏离 偏心轴承，连接到偏心轴承的偏心连杆，可偏转连接到偏心连杆的可变连杆，可旋转地连接到可变连杆的控制连杆，以及设置在控制连杆中以使控制连杆旋转的控制轴，其中偏心 连杆可以在空间部分内旋转。