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公开(公告)号：US08528509B2
公开(公告)日：2013-09-10
申请号：US12844596
申请日：2010-07-27
Applicant: Hosung Cho , Jin Gyu Yang , Myung Rae Cho , Hong Wook Lee , Seong Hyuk Kang , Taewon Park , Jinwoo Yang , Wootae Kim , Myungsik Choi , Eui Chul Choi , Sung Han Kang , Won Gyu Kim
Inventor： Hosung Cho , Jin Gyu Yang , Myung Rae Cho , Hong Wook Lee , Seong Hyuk Kang , Taewon Park , Jinwoo Yang , Wootae Kim , Myungsik Choi , Eui Chul Choi , Sung Han Kang , Won Gyu Kim
IPC: F01L1/34
Abstract: A variable valve lift apparatus may include a variable valve lift housing, a master piston which is slidably disposed in the variable valve lift housing and contacts a cam, a slave piston which is slidably disposed in the variable valve lift housing, defines an oil chamber with the master piston therebetween, and opens a valve connected to the slave piston according to reciprocative motion of the master piston, and a lift control portion which supplies oil to the oil chamber or exhausts oil in the oil chamber selectively to control a relative distance between the master piston and the slave piston.
Abstract translation: 可变气门提升装置可以包括可变气门提升壳体，主活塞可滑动地设置在可变气门提升壳体中并接触凸轮，可活动地设置在可变气门提升壳体中的从动活塞限定了具有 主活塞之间，并且根据主活塞的往复运动打开连接到从动活塞的阀;以及提升控制部分，其向油室供应油或者选择性地排出油室中的油，以控制主活塞之间的相对距离 主活塞和从动活塞。
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Patent Agency Ranking
公开(公告)号：US20110132301A1
公开(公告)日：2011-06-09
申请号：US12878709
申请日：2010-09-09
Applicant: Myung Rae Cho , Hong Wook Lee , Taewon Park , Woo Tae Kim , Myung Sik Choi , Eui Chul Choi , Won Gyu Kim
Inventor： Myung Rae Cho , Hong Wook Lee , Taewon Park , Woo Tae Kim , Myung Sik Choi , Eui Chul Choi , Won Gyu Kim
IPC: F01L1/34
CPC classification number: F01L1/143 , F01L13/0031
Abstract: An electro-hydraulic variable valve lift apparatus may include a valve unit housing of which a guide protrude portion is formed therein, a main piston which is slidably disposed in the valve unit housing and defines a valve adjusting oil chamber with the valve unit housing, a main spring which is disposed within the valve adjusting oil chamber and elastically supports the main piston on the guide protrude portion, a dependent piston which is slidably disposed within the valve unit housing, is guided along the guide protrude portion, reciprocates according to reciprocation of the main piston, and opens a valve, and a main oil supply portion which selectively supplies hydraulic pressure to the valve adjusting oil chamber.
Abstract translation: 电动液压可变气门提升装置可以包括其中形成有引导突出部分的阀单元壳体，主活塞，其可滑动地设置在阀单元壳体中并且限定具有阀单元壳体的阀调节油室， 主弹簧，其设置在阀调节油室内并弹性地支撑主活塞在引导突出部分上，可滑动地设置在阀单元壳体内的依赖活塞沿着引导突出部分被引导， 主活塞，并且打开阀，以及主油供应部分，其选择性地向阀调节油室供应液压。
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公开(公告)号：US20110132297A1
公开(公告)日：2011-06-09
申请号：US12847789
申请日：2010-07-30
Applicant: Hosung Cho , Jin Gyu Yang , Myung Rae Cho , Hong Wook Lee , Duk Jin Park , Seong Hyuk Kang , Taewon Park , Wootae Kim , Myungsik Choi , Jin Woo Yang , Eui Chul Choi , Sung Han Kang , Won Gyu Kim , Dae Sung Kim
Inventor： Hosung Cho , Jin Gyu Yang , Myung Rae Cho , Hong Wook Lee , Duk Jin Park , Seong Hyuk Kang , Taewon Park , Wootae Kim , Myungsik Choi , Jin Woo Yang , Eui Chul Choi , Sung Han Kang , Won Gyu Kim , Dae Sung Kim
CPC classification number: F01L9/023 , F01L1/143 , Y10T74/2107
Abstract: An electro-hydraulic variable valve lift apparatus may include a housing, a master portion which is slidably disposed to the housing and contacts a cam, a first oil supply portion which supplies hydraulic pressure, a slave piston which is slidably disposed within the housing and defines an oil chamber with the master portion, a latching portion which is supplied the hydraulic pressure from the first oil supply portion and selectively connects the slave piston and the master portion, a second oil supply portion which selectively supplies hydraulic pressure to the oil chamber so as to control relative distances between the master portion and the slave piston when the slave piston is disengaged with the master portion, and a stepped portion formed to the housing between the master portion and the slave piston to elastically support the master portion.
Abstract translation: 电动液压可变气门提升装置可以包括壳体，主体部分，其可滑动地设置在壳体上并且接触凸轮;供应液压的第一供油部分;可滑动地设置在壳体内的从动活塞， 具有主部的油室，从第一供油部供给液压并选择性地连接从动活塞和主部的闩锁部，选择性地向油室供给液压的第二供油部， 以在从动活塞与主动部分脱离时控制主动部分和从动活塞之间的相对距离，以及形成在主体部分和从动活塞之间的壳体上的阶梯部分，以弹性地支撑主动部分。
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公开(公告)号：US20110132299A1
公开(公告)日：2011-06-09
申请号：US12844596
申请日：2010-07-27
Applicant: Hosung Cho , Jin Gyu Yang , Myung Rae Cho , Hong Wook Lee , Seong Hyuk Kang , Taewon Park , Jinwoo Yang , Wootae Kim , Myungsik Choi , Eui Chul Choi , Sung Han Kang , Won Gyu Kim
Inventor： Hosung Cho , Jin Gyu Yang , Myung Rae Cho , Hong Wook Lee , Seong Hyuk Kang , Taewon Park , Jinwoo Yang , Wootae Kim , Myungsik Choi , Eui Chul Choi , Sung Han Kang , Won Gyu Kim
IPC: F01L1/34
Abstract: A variable valve lift apparatus may include a variable valve lift housing, a master piston which is slidably disposed in the variable valve lift housing and contacts a cam, a slave piston which is slidably disposed in the variable valve lift housing, defines an oil chamber with the master piston therebetween, and opens a valve connected to the slave piston according to reciprocative motion of the master piston, and a lift control portion which supplies oil to the oil chamber or exhausts oil in the oil chamber selectively to control a relative distance between the master piston and the slave piston.
Abstract translation: 可变气门提升装置可以包括可变气门提升壳体，主活塞可滑动地设置在可变气门提升壳体中并接触凸轮，可活动地设置在可变气门提升壳体中的从动活塞限定了具有 主活塞之间，并且根据主活塞的往复运动打开连接到从动活塞的阀;以及提升控制部分，其向油室供应油或者选择性地排出油室中的油，以控制主活塞之间的相对距离 主活塞和从动活塞。
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公开(公告)号：US08468985B2
公开(公告)日：2013-06-25
申请号：US12847789
申请日：2010-07-30
Applicant: Hosung Cho , Jin Gyu Yang , Myung Rae Cho , Hong Wook Lee , Duk Jin Park , Seong Hyuk Kang , Taewon Park , Wootae Kim , Myungsik Choi , Jin Woo Yang , Eui Chul Choi , Sung Han Kang , Won Gyu Kim , Dae Sung Kim
Inventor： Hosung Cho , Jin Gyu Yang , Myung Rae Cho , Hong Wook Lee , Duk Jin Park , Seong Hyuk Kang , Taewon Park , Wootae Kim , Myungsik Choi , Jin Woo Yang , Eui Chul Choi , Sung Han Kang , Won Gyu Kim , Dae Sung Kim
IPC: F01L9/02
CPC classification number: F01L9/023 , F01L1/143 , Y10T74/2107
Abstract: An electro-hydraulic variable valve lift apparatus may include a housing, a master portion which is slidably disposed to the housing and contacts a cam, a first oil supply portion which supplies hydraulic pressure, a slave piston which is slidably disposed within the housing and defines an oil chamber with the master portion, a latching portion which is supplied the hydraulic pressure from the first oil supply portion and selectively connects the slave piston and the master portion, a second oil supply portion which selectively supplies hydraulic pressure to the oil chamber so as to control relative distances between the master portion and the slave piston when the slave piston is disengaged with the master portion, and a stepped portion formed to the housing between the master portion and the slave piston to elastically support the master portion.
Abstract translation: 电动液压可变气门提升装置可以包括壳体，主体部分，其可滑动地设置在壳体上并且接触凸轮;供应液压的第一供油部分;可滑动地设置在壳体内的从动活塞， 具有主部的油室，从第一供油部供给液压并选择性地连接从动活塞和主部的闩锁部，选择性地向油室供给液压的第二供油部， 以在从动活塞与主动部分脱离时控制主动部分和从动活塞之间的相对距离，以及形成在主体部分和从动活塞之间的壳体上的阶梯部分，以弹性地支撑主动部分。
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公开(公告)号：US08408173B2
公开(公告)日：2013-04-02
申请号：US12878709
申请日：2010-09-09
Applicant: Myung Rae Cho , Hong Wook Lee , Taewon Park , Woo Tae Kim , Myung Sik Choi , Eui Chul Choi , Won Gyu Kim
Inventor： Myung Rae Cho , Hong Wook Lee , Taewon Park , Woo Tae Kim , Myung Sik Choi , Eui Chul Choi , Won Gyu Kim
IPC: F01L1/34
CPC classification number: F01L1/143 , F01L13/0031
Abstract: An electro-hydraulic variable valve lift apparatus may include a valve unit housing of which a guide protrude portion is formed therein, a main piston which is slidably disposed in the valve unit housing and defines a valve adjusting oil chamber with the valve unit housing, a main spring which is disposed within the valve adjusting oil chamber and elastically supports the main piston on the guide protrude portion, a dependent piston which is slidably disposed within the valve unit housing, is guided along the guide protrude portion, reciprocates according to reciprocation of the main piston, and opens a valve, and a main oil supply portion which selectively supplies hydraulic pressure to the valve adjusting oil chamber.
Abstract translation: 电动液压可变气门提升装置可以包括其中形成有引导突出部分的阀单元壳体，主活塞，其可滑动地设置在阀单元壳体中并且限定具有阀单元壳体的阀调节油室， 主弹簧，其设置在阀调节油室内并弹性地支撑主活塞在引导突出部分上，可滑动地设置在阀单元壳体内的依赖活塞沿着引导突出部分被引导， 主活塞，并且打开阀，以及主油供应部分，其选择性地向阀调节油室供应液压。
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