公开(公告)号：US08899195B2

公开(公告)日：2014-12-02

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: F01L9/02 ,  F01L1/34 ,  F01L13/00 ,  F01L1/46

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。

公开(公告)号：US20140158067A1

公开(公告)日：2014-06-12

申请号：US13870778

申请日：2013-04-25

Applicant: HYUNDAI MOTOR COMPANY

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

IPC: F02B69/06

CPC classification number: F02B69/06 ,  F02B47/08 ,  F02B75/02 ,  F02D13/0276 ,  F02D13/06 ,  F02M26/32 ,  F02M26/43 ,  Y02T10/121 ,  Y02T10/142 ,  Y02T10/18

Abstract: A variable cycle engine may include a first cylinder that performs an intake, a compression, an explosion, or an exhaust stroke, a second cylinder that performs an intake, a compression, an explosion, or an exhaust stroke, a connection rail that is formed near the first cylinder and the second cylinder, a first variable port that is diverged from one side of the connection rail and is connected to the first cylinder, a second variable port that is diverged from the other side of the connection rail and is connected to the second cylinder, and a first variable control valve disposed on the first variable port and a second variable control valve disposed on the second variable port, wherein the first and second variable control valves are opened or closed accordingly with respect to each other to directly connect the first cylinder with the second cylinder.

Abstract translation: 可变循环发动机可以包括执行进气，压缩，爆炸或排气冲程的第一气缸，执行进气，压缩，爆炸或排气冲程的第二气缸，形成的连接轨道 靠近所述第一气缸和所述第二气缸的第一可变端口，所述第一可变端口从所述连接轨的一侧发散并且连接到所述第一气缸，所述第二可变端口从所述连接轨的另一侧分叉并连接到 第二气缸和设置在第一可变端口上的第一可变控制阀和设置在第二可变端口上的第二可变控制阀，其中第一和第二可变控制阀相对于彼此打开或关闭以直接连接 第一个气缸与第二个气缸。

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。