公开(公告)号：US20170152770A1

公开(公告)日：2017-06-01

申请号：US15248805

申请日：2016-08-26

Applicant: HYUNDAI MOTOR COMPANY

Inventor： Byong Young CHOI

IPC: F01L13/00 ,  F01L1/053 ,  F01L1/08

CPC classification number: F01L13/0036 ,  F01L1/053 ,  F01L1/0532 ,  F01L1/08 ,  F01L1/185 ,  F01L1/2405 ,  F01L13/0005 ,  F01L2001/0473 ,  F01L2013/0052 ,  F01L2013/101 ,  F01L2105/00 ,  F01L2201/00

Abstract: A multiple variable valve lift apparatus may include a moving cam formed in a hollow cylindrical shape into which a camshaft is inserted. In particular, the moving cam rotates together with the camshaft, moves in an axial direction of the camshaft, and includes a cam guide protrusion and a plurality of cams realizing different valve lift with each other. Moreover, the apparatus includes: an operating unit selectively guiding the cam guide protrusion; a controller controlling the operating unit; a valve opening/closing unit contacting with any one cam of the cams; and at least two pins disposed at the operating unit so as to guide the cam guide protrusion. The cam guide protrusion includes an inserted portion being selectively inserted between the pins and a shift portion.

公开(公告)号：US20140109865A1

公开(公告)日：2014-04-24

申请号：US13714122

申请日：2012-12-13

Applicant: HYUNDAI MOTOR COMPANY

Inventor： Wonjun LEE ,  Soo Hyung WOO ,  Jin Kook KONG ,  Byong Young CHOI ,  Gee Wook SHIN ,  Young Hong KWAK ,  Jin Soon KIM

IPC: F02B19/00

CPC classification number: F02B19/00 ,  F02B19/12 ,  Y02T10/125

Abstract: A pre-chamber structure for a piston engine may include: a pre-chamber combustion chamber in which a mixture of fuel and air is combusted and a pre-chamber compression chamber including a sub-chamber communicating with the pre-chamber combustion chamber and having an inclined wall surface, and a main chamber extending from the sub-chamber, thereby preventing the fuel from being adsorbed and remaining in the wall surface of the pre-chamber compression chamber in a droplet state.

Abstract translation: 用于活塞发动机的预制室结构可以包括：预燃室，其中燃料和空气的混合物燃烧在其中;以及预燃室压缩室，其包括与所述预燃烧室连通的副室，并且具有 倾斜的壁表面和从所述副室延伸的主室，从而防止燃料被液滴状态吸附并保留在预处理室压力室的壁表面中。

公开(公告)号：US20150345342A1

公开(公告)日：2015-12-03

申请号：US14552115

申请日：2014-11-24

Applicant: HYUNDAI MOTOR COMPANY

Inventor： Byong Young CHOI ,  Soo Hyung Woo ,  Ju Hun Lee ,  Jin Wook Son ,  Seung Kook Han

IPC: F01L1/08 ,  F01L1/34

CPC classification number: F01L1/08 ,  F01L1/34 ,  Y10T29/49233

Abstract: A short duration cam of a variable valve lift apparatus has a cam lift acceleration including a first peak formed before a center of the cam lift acceleration, and a second peak formed after the center of the cam lift acceleration. A relative ratio of a smaller value to a greater value of the first peak and the second peak is 0.8 or more.

Abstract translation: 可变气门提升装置的短时间凸轮具有包括在凸轮升程加速度的中心之前形成的第一峰值的凸轮升程加速度和在凸轮升程加速度的中心之后形成的第二峰值。 第一峰值和第二峰值的较小值与较大值的相对比为0.8以上。

公开(公告)号：US20150105998A1

公开(公告)日：2015-04-16

申请号：US14133399

申请日：2013-12-18

Applicant: Hyundai Motor Company

Inventor： Won Jun LEE ,  Byong Young CHOI ,  Soo Hyung WOO ,  Jin Kook KONG

IPC: F02D41/00

CPC classification number: F02D41/0057 ,  F02B19/108 ,  F02D41/3017 ,  F02D41/3041 ,  F02D2250/36 ,  Y02T10/125 ,  Y02T10/47

Abstract: A controlling method for a flame jet ignition engine includes: a setting step of setting a map as a low load operation region, a medium load operation region, and a high load operation region depending on a load which is measured at the time of the driving of the engine; and a first burning step of performing burning by being controlled with an air-fuel ratio more lean than a theoretical air-fuel ratio and reducing NOx while increasing and compensating for a burning rate depending on burning of the jet ignition apparatus, at the time of entering the low load operation region and the medium load operation region.

Abstract translation: 一种用于火焰喷射点火发动机的控制方法包括：根据在驾驶时测量的负载将地图设置为低负载操作区域，中负荷操作区域和高负载操作区域的设置步骤 的发动机; 以及第一燃烧步骤，通过以比理论空燃比更稀的空燃比进行燃烧控制，并且在增加和补偿取决于喷射点火装置的燃烧的燃烧速率的同时还原NOx，在 进入低负载运行区域和中负荷运行区域。

公开(公告)号：US20150059675A1

公开(公告)日：2015-03-05

申请号：US14107634

申请日：2013-12-16

Applicant: Hyundai Motor Company

Inventor： Byong Young CHOI ,  Ki Wook SHIN ,  Soo Hyung WOO ,  Jin Kook KONG

IPC: F01L13/00

CPC classification number: F01L13/0042 ,  F01L13/0036 ,  F01L2013/0052 ,  F02D13/0207 ,  Y10T29/49293

Abstract: A multiple variable valve lift apparatus may include a camshaft rotating by drive of an engine, at least two cam portions slidably disposed on the camshaft and rotatable together with the camshaft, and forming a high cam and a low cam, a valve opening/closing unit operated by one of the high or low cams, at least two operating unit movable along the camshaft to move the at least two cam portions along the camshaft, a control portion selectively moving the operating unit along the camshaft, a pin disposed at the control portion, and a guide rail formed in a groove shape on an exterior circumference of the operating unit such that the pin is insert therein and guiding relative movement of the pin according to rotation of the camshaft and the operating unit such that the operating unit is moved along an axial direction of the camshaft by the pin.

Abstract translation: 多重可变气门提升装置可以包括通过发动机的驱动而旋转的凸轮轴，可滑动地设置在凸轮轴上并与凸轮轴一起旋转的至少两个凸轮部分，并且形成高凸轮和低凸轮，阀打开/关闭单元 通过高凸轮或低凸轮之一操作，至少两个操作单元可沿凸轮轴移动以沿着凸轮轴移动至少两个凸轮部分，控制部分选择性地沿着凸轮轴移动操作单元，设置在控制部分处的销 以及在所述操作单元的外周上形成为凹槽形状的导轨，使得所述销插入其中并且根据所述凸轮轴和所述操作单元的旋转引导所述销的相对运动，使得所述操作单元沿着 凸轮轴的轴向由销引导。

公开(公告)号：US20160090921A1

公开(公告)日：2016-03-31

申请号：US14559751

申请日：2014-12-03

Applicant: HYUNDAI MOTOR COMPANY

Inventor： Byong Young CHOI

IPC: F02D13/06 ,  F01L1/047 ,  F02D13/02 ,  F01L1/344

CPC classification number: F02D13/06 ,  F01L1/047 ,  F01L1/344 ,  F01L1/34413 ,  F01L13/0005 ,  F01L13/0036 ,  F01L2013/001 ,  F01L2013/0052 ,  F01L2820/031 ,  Y02T10/18

Abstract: An engine that can implement cylinder deactivation (CDA) includes: a plurality of cylinders; a variable valve duration apparatus that is mounted in at least one of the plurality of cylinders and that performs a long duration mode and a short duration mode of an intake valve of a corresponding cylinder; a CDA apparatus that is mounted in at least another one of the plurality of cylinders and that performs a general operation mode and a CDA mode of an intake valve and an exhaust valve of a corresponding cylinder; and a controller that controls operation of the variable valve duration apparatus and the CDA apparatus according to an operation state of an engine, wherein the controller controls the variable valve duration apparatus to operate in a short duration mode, when the CDA apparatus operates in the CDA mode.

Abstract translation: 可以实现气缸停用（CDA）的发动机包括：多个气缸; 可变气门持续时间装置，其安装在所述多个气缸中的至少一个气缸中，并且执行相应气缸的进气门的长持续时间模式和短持续时间模式; CDA装置，其安装在所述多个气缸中的至少另一个气缸中，并且执行相应气缸的进气门和排气门的一般操作模式和CDA模式; 以及控制器，其根据发动机的操作状态来控制可变气门持续时间设备和CDA设备的操作，其中当CDA设备在CDA中操作时，控制器控制可变气门持续时间设备以短持续时间模式操作 模式。

公开(公告)号：US20160363011A1

公开(公告)日：2016-12-15

申请号：US14865906

申请日：2015-09-25

Applicant: Hyundai Motor Company

Inventor： Byong Young CHOI

IPC: F01L1/344 ,  F01L9/04 ,  F01L1/047

CPC classification number: F01L1/344 ,  F01L1/047 ,  F01L1/053 ,  F01L1/12 ,  F01L1/18 ,  F01L1/181 ,  F01L1/185 ,  F01L9/04 ,  F01L13/00 ,  F01L13/0005 ,  F01L13/0036 ,  F01L13/0042 ,  F01L2001/0473 ,  F01L2001/0476 ,  F01L2013/001 ,  F01L2013/0052 ,  F01L2013/101 ,  F01L2105/00 ,  F01L2810/02

Abstract: A multiple variable valve lift apparatus may include a camshaft rotating by driving of an engine, a cam portion formed in a cylindrical shape having a hollow that the camshaft is inserted into, rotating together with the camshaft, configured to move along an axial direction of the camshaft, and forming a zero cam and a normal cam, a valve opening/closing device configured to be operated by at least one of the zero cam or the normal cam which are formed at the cam portion, an operating device disposed on an exterior circumference of the camshaft so as to move together with the cam portion, and a solenoid configured to selectively move the operating device along an axial direction of the camshaft, in which a journal, which has a radius being equal to a radius of the zero cam, is formed at the cam portion.

Abstract translation: 多重可变气门提升装置可以包括通过发动机的驱动而旋转的凸轮轴，形成为圆柱形的凸轮部分，该凸轮部分具有凸轮轴插入的空心，凸轮轴与凸轮轴一起旋转， 凸轮轴，并且形成零凸轮和正常凸轮;构造成由在凸轮部分形成的零凸轮或普通凸轮中的至少一个操作的阀打开/关闭装置，设置在外圆周上的操作装置 所述凸轮轴与所述凸轮部一起移动;以及螺线管，被配置为沿着所述凸轮轴的轴向方向选择性地移动所述操作装置，其中具有等于所述零凸轮的半径的半径的轴颈， 形成在凸轮部分。

公开(公告)号：US20150068473A1

公开(公告)日：2015-03-12

申请号：US14106370

申请日：2013-12-13

Applicant: Hyundai Motor Company

Inventor： Byong Young CHOI ,  Gee Wook SHIN ,  Soo Hyung WOO ,  Jin Kook KONG

IPC: F01L1/34

CPC classification number: F01L13/0036 ,  F01L2013/0052 ,  F01L2013/101

Abstract: A multiple variable valve lift apparatus connected with a valve opening and closing unit which is adapted to rolling-contact one end thereof with a cam and is operated to open or close by a rotation of the cam, and operating to select the cam which is rolling-contacted with the valve opening and closing unit for changing a valve lift, may include a normal cam rolling-contacting with the valve opening and closing unit so as to realize a normal lift of a predetermined valve, and a low cam rolling-contacting with the valve opening and closing unit so as to realize a valve lift which is lower and longer than the normal lift realized by the normal cam, wherein the normal cam or the low cam is selectively rolling-contacted to the valve opening/closing unit according to a driving state.

Abstract translation: 一种与阀开闭单元连接的多重可变气门提升装置，其适于使其一端与凸轮滚动接触，并通过凸轮的旋转而被操作以打开或关闭，并且操作以选择正在滚动的凸轮 与用于改变气门升程的阀打开和关闭单元接触可以包括与阀打开和关闭单元滚动接触的正常凸轮，以便实现预定阀的正常升程，并且低凸轮滚动接触 阀开闭单元，以实现比正常凸轮实现的正常升程更低且更长的气门升程，其中正常凸轮或低凸轮选择性地与阀打开/关闭单元滚动接触，根据 一个驾驶状态。

公开(公告)号：US20150059676A1

公开(公告)日：2015-03-05

申请号：US14108192

申请日：2013-12-16

Applicant: Kia Motors Corporation ,  Hyundai Motor Company

Inventor： Byong Young CHOI ,  Jin Kook KONG ,  Gee Wook SHIN ,  Soo Hyung WOO ,  Wootae KIM

IPC: F01L13/00

CPC classification number: F01L13/0042 ,  F01L13/0036 ,  F01L2013/0052

Abstract: A multiple variable valve lift apparatus may include a camshaft rotating by drive of an engine, at least two cam portions disposed on the camshaft to be movable along an axial direction of the camshaft and to be rotated together with the camshaft, and forming a high cam and a low cam, a valve opening/closing unit operated by one of the high cam or the low cam formed at the cam portion, an operating unit disposed on the camshaft to move together with one of the at least two cam portions, a solenoid selectively moving the operating unit along an axial direction of the camshaft, a interlock unit rotating together with the camshaft, and disposed between one and the other of the cam portions on the camshaft to be movable along an axial direction of the camshaft, and a pin operating unit selectively moving the interlock unit along the camshaft.

Abstract translation: 多重可变气门提升装置可以包括通过发动机的驱动而旋转的凸轮轴，设置在凸轮轴上的至少两个凸轮部分，以沿着凸轮轴的轴向可移动并与凸轮轴一起旋转，并且形成高凸轮 以及低凸轮，通过在凸轮部分形成的高凸轮或低凸轮之一操作的阀开/关单元，设置在凸轮轴上以与所述至少两个凸轮部分中的一个一起移动的操作单元，螺线管 沿着凸轮轴的轴向方向选择性地移动操作单元，与凸轮轴一起旋转的互锁单元，并且设置在凸轮轴上的一个和另一个凸轮部分之间，以沿着凸轮轴的轴向方向可移动;以及销 操作单元沿着凸轮轴选择性地移动互锁单元。

公开(公告)号：US20140165940A1

公开(公告)日：2014-06-19

申请号：US14098375

申请日：2013-12-05

Applicant: Hyundai Motor Company

Inventor： Soo Hyung WOO ,  Chang Ho YANG ,  Young Hong KWAK ,  Byong Young CHOI ,  Jin Kook KONG ,  Gee Wook SHIN

IPC: F01L13/00

CPC classification number: F01L13/0005 ,  F01L13/0036 ,  F01L2013/0052 ,  F01L2820/031

Abstract: A multiple variable valve lift apparatus may include a camshaft, a plurality of cams slidably fitted on the camshaft and each having a cam base with a guide groove and a cam lobe, a solenoid valve including an actuating rod capable of being selectively inserted into the guide groove of a cam in the plurality of cams, and a valve opening/closing unit capable of selectively coming in contact with any cam in the plurality of cams.

Abstract translation: 多重可变气门提升装置可以包括凸轮轴，可滑动地装配在凸轮轴上的多个凸轮，每个凸轮具有带有引导槽和凸轮凸角的凸轮底座，电磁阀包括能够选择性地插入导向件的致动杆 多个凸轮中的凸轮的凹槽，以及能够选择性地与多个凸轮中的任何凸轮接触的阀打开/关闭单元。