公开(公告)号：US20140251250A1

公开(公告)日：2014-09-11

申请号：US14145446

申请日：2013-12-31

Applicant: Hyundai Motor Company

Inventor： Soo Hyung Woo ,  Jei Choon Yang ,  Young Hong Kwak ,  Byong Young Choi ,  Jin Kook Kong ,  Gee Wook Shin

IPC: F01L1/047

CPC classification number: F01L1/047 ,  F01L13/0036 ,  F01L2001/0473 ,  F01L2001/0475 ,  F01L2013/0052 ,  F01L2820/031

Abstract: A multiple variable valve lift apparatus has a simple design that efficiently operates without interference. The apparatus according may include: a camshaft formed in a hollow cylinder shape; a control shaft disposed in the hollow of the camshaft; a cam that rotates together with the camshaft; a cam rod connecting the control shaft with the cam to move together; an operating unit disposed on the exterior circumference of the camshaft to rotate together with the camshaft; an operating unit rod connecting the control shaft with the operating unit such that the control shaft and the operating unit move together; a solenoid selectively connected with the operating unit, and moving the operating unit along an axial direction of the camshaft; and a tappet contacting the cam to transform rotational motion of the cam to rectilinear motion of a valve.

Abstract translation: 多重可变气门提升装置具有简单的设计，无干扰地有效地运行。 所述装置可以包括：形成为中空圆筒形状的凸轮轴; 设置在所述凸轮轴的中空部中的控制轴; 与凸轮轴一起旋转的凸轮; 连接控制轴和凸轮一起移动的凸轮杆; 设置在所述凸轮轴的外周上与所述凸轮轴一起旋转的操作单元; 操作单元杆，其将所述控制轴与所述操作单元连接，使得所述控制轴和所述操作单元一起移动; 选择性地与所述操作单元连接的电磁阀，并且沿着所述凸轮轴的轴向移动所述操作单元; 以及与凸轮接触的挺杆，以将凸轮的旋转运动转换为阀的直线运动。

公开(公告)号：US09874121B2

公开(公告)日：2018-01-23

申请号：US14955249

申请日：2015-12-01

Applicant: Hyundai Motor Company

Inventor： Myungsik Choi ,  Young Hong Kwak

IPC: F01L1/34 ,  F01L13/00 ,  F01L1/18 ,  F16K1/32 ,  F16K31/524 ,  F01L1/46

CPC classification number: F01L13/0021 ,  F01L1/185 ,  F01L13/0005 ,  F01L2001/186 ,  F01L2001/467 ,  F01L2105/00 ,  F16K1/32 ,  F16K31/52408

Abstract: A variable valve lift apparatus that changes a lift of a valve in an engine may include: an outer body; an inner body; a cam contact portion disposed in the second space, rotatably connected to the inner body, and contacting the cam so that the inner body makes a lever motion according to rotation of the cam; a connecting shaft disposed and the one end of the inner body and connect the outer body with the inner body; and a lost motion spring, wherein the inner body is selectively fixed to the outer body or is selectively released from fixing with the outer body, and both ends of the connecting shaft protrude to both sides in the width direction of the outer body and a valve contact portion, which contacts a valve, is formed at the both ends.

公开(公告)号：US09816409B2

公开(公告)日：2017-11-14

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: F01L1/18 ,  F01L13/00

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.

公开(公告)号：US20170016362A1

公开(公告)日：2017-01-19

申请号：US14955249

申请日：2015-12-01

Applicant: Hyundai Motor Company

Inventor： Myungsik CHOI ,  Young Hong Kwak

IPC: F01L13/00 ,  F16K31/524 ,  F16K1/32

CPC classification number: F01L13/0021 ,  F01L1/185 ,  F01L13/0005 ,  F01L2001/186 ,  F01L2001/467 ,  F01L2105/00 ,  F16K1/32 ,  F16K31/52408

Abstract: A variable valve lift apparatus that changes a lift of a valve in an engine may include: an outer body; an inner body; a cam contact portion disposed in the second space, rotatably connected to the inner body, and contacting the cam so that the inner body makes a lever motion according to rotation of the cam; a connecting shaft disposed and the one end of the inner body and connect the outer body with the inner body; and a lost motion spring, wherein the inner body is selectively fixed to the outer body or is selectively released from fixing with the outer body, and both ends of the connecting shaft protrude to both sides in the width direction of the outer body and a valve contact portion, which contacts a valve, is formed at the both ends.

Abstract translation: 改变发动机中的阀的升程的可变气门提升装置可以包括：外部主体; 内身; 凸轮接触部，设置在所述第二空间中，可旋转地连接到所述内主体，并且接触所述凸轮，使得所述内主体根据所述凸轮的旋转而进行杠杆运动; 连接轴设置在内主体的一端并将外主体与内体连接; 和一个空动弹簧，其中内体选择性地固定到外体上或者选择性地与外体固定地脱开，并且连接轴的两端在外体的宽度方向上突出到两侧，并且阀 在两端形成接触阀的接触部。

公开(公告)号：US20150176442A1

公开(公告)日：2015-06-25

申请号：US14297174

申请日：2014-06-05

Applicant: Hyundai Motor Company

Inventor： Young Hong Kwak ,  Gyu Han Hwang ,  Gee Wook Shin ,  Won Gyu Kim ,  Myungsik Choi

IPC: F01L1/344

CPC classification number: F01L1/34413 ,  F01L1/3442 ,  F01L2001/0473 ,  F01L2001/34483

Abstract: A camshaft-in-camshaft apparatus may include a hollow outer shaft having at least one slot formed along a length direction of the hollow outer shaft, an inner shaft rotatably inserted inside the outer shaft and having at least one pin hole formed on the inner shaft, a position of each of the at least one pin hole corresponding to that of each of the at least one slot, one or more first cam lobes fixedly mounted on an exterior circumference of the outer shaft, one or more second cam lobes fixedly mounted on the inner shaft to be rotatable on the corresponding slot of the outer shaft, a cam phaser changing a phase angle between the outer shaft and the inner shaft by rotating any one of the outer shaft and the inner shaft, and at least one torsional spring mounted between any one of the one or more first cam lobes and any one of the one or more second cam lobes.

Abstract translation: 凸轮轴凸轮轴装置可以包括中空外轴，其具有沿着中空外轴的长度方向形成的至少一个槽，内轴可旋转地插入在外轴内部，并且具有形成在内轴上的至少一个销孔 ，所述至少一个销孔中的每一个的位置对应于所述至少一个槽中的每一个的一个或多个第一凸轮凸角，固定地安装在所述外轴的外周上，一个或多个第二凸轮凸角固定地安装在 所述内轴能够在所述外轴的对应的槽上旋转，凸轮相位器通过旋转所述外轴和所述内轴中的任一个而改变所述外轴和所述内轴之间的相位角，并且至少一个扭转弹簧安装 在所述一个或多个第一凸轮凸角中的任何一个和所述一个或多个第二凸轮凸角中的任一个之间。

公开(公告)号：US20140041605A1

公开(公告)日：2014-02-13

申请号：US13711573

申请日：2012-12-11

Applicant: HYUNDAI MOTOR COMPANY

Inventor： Soo Hyung Woo ,  Byong Young Choi ,  Young Hong Kwak ,  Jin Kook Kong ,  Wonjun Lee

IPC: F01L1/34

CPC classification number: F01L1/34 ,  F01L9/025 ,  F01L13/0005 ,  F01L2001/467 ,  F01L2013/001

Abstract: An electro-hydraulic variable valve lift apparatus may include an hydraulic pump body installed in an engine, a piston provided to reciprocate within the hydraulic pump body and forming an hydraulic pump chamber together with the hydraulic pump body, an hydraulic pump cam disposed to be in contact with the piston and enabling the piston to reciprocate according to a rotation thereof, a retainer provided to be slidable along the piston between the piston and the engine and forming a retainer chamber with the engine, a retainer spring elastically supporting the retainer, an oil control valve allowing the hydraulic pump chamber and the retainer chamber to selectively communicate with each other, a valve opening and closing unit communicating with the hydraulic pump chamber and opened or closed according to oil pressure supplied from the hydraulic pump chamber.

Abstract translation: 电动液压可变气门提升装置可以包括安装在发动机中的液压泵体，设置在液压泵体内往复运动的活塞，与液压泵体一起形成液压泵室，设置在 与活塞接触并使活塞能够根据其旋转而往复运动;保持器，其设置成能够沿着活塞在活塞和发动机之间滑动并与发动机形成保持室;保持弹簧弹性支撑保持器;油 控制阀，其允许液压泵室和保持器室彼此选择性地连通;阀打开和关闭单元，其与液压泵室连通，并根据从液压泵室供应的油压而打开或关闭。