-
公开(公告)号:US09869253B2
公开(公告)日:2018-01-16
申请号:US15157257
申请日:2016-05-17
Applicant: Hyundai Motor Company
Inventor: Byong Young Choi , Seung Kook Han , Soo Hyung Woo , Wootae Kim
IPC: F01L1/04 , F02D13/02 , F01L1/053 , F01L1/047 , F01L1/344 , F01L13/00 , F01L1/08 , F01L1/18 , F01L1/26
CPC classification number: F02D13/0207 , F01L1/053 , F01L1/08 , F01L1/185 , F01L1/267 , F01L1/34413 , F01L13/0005 , F01L13/0036 , F01L13/0042 , F01L2001/0473 , F01L2013/0052 , F01L2013/101 , F01L2105/00 , Y02T10/18
Abstract: A multiple variable valve lift apparatus may include a first moving cam provided to rotate together with a camshaft and move in an axial direction of the camshaft, and configured to form a first cam guide protrusion and a plurality of cams realizing different valve lifts from each other, a second moving cam provided to rotate together with a second camshaft and move in an axial direction of the second camshaft, and configured to form a second cam guide protrusion and a plurality of cams realizing different valve lifts from each other, a first operating device operated to move the first moving cam in a first direction, a second operating device operated to move the second moving cam in a second direction, a controller configured to control operations of the first operating device and the second operating device, and a valve opening/closing device.
-
52.
公开(公告)号:US09267402B2
公开(公告)日:2016-02-23
申请号:US14143850
申请日:2013-12-30
Applicant: Hyundai Motor Company
Inventor: Soo Hyung Woo , Jong Hyeok Choi , Young Hong Kwak , Byong Young Choi , Jin Kook Kong , Gee Wook Shin
CPC classification number: F01L31/16 , F01L13/0036 , F01L2001/0473 , F01L2013/0052 , F01L2820/031
Abstract: A multistage variable valve lift apparatus includes: a camshaft; a plurality of cams slidably provided on the camshaft and each including a cam base with a guide projection and a cam lobe; a solenoid unit that includes an operating rod with a guide slot into which the guide projection is selectively inserted; and a valve opening/closing portion that comes into selective contact any one of the plurality of cams.
Abstract translation: 多级可变气门提升装置包括:凸轮轴; 多个凸轮可滑动地设置在所述凸轮轴上,并且每个凸轮包括具有引导突起和凸轮凸角的凸轮基座; 螺线管单元,其包括具有引导槽的操作杆,所述引导突起被选择性地插入所述导槽中; 以及与所述多个凸轮中的任一个进行选择性接触的阀开闭部。
-
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
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: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
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: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。
-
-
-
-