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公开(公告)号：US20200263771A1
公开(公告)日：2020-08-20
申请号：US16434764
申请日：2019-06-07
发明人： Il Dae Cho , Sung Hoon Park , Hyu Tae Shim , In Chan Kim , Tae Seok Seo
IPC分类号： F16H37/08
摘要： A powertrain may include an input shaft; a drive pulley and a driven pulley engaged to each other by a belt; a forward/backward switching mechanism provided to selectively switch a direction of power from the input shaft to the drive pulley by a plurality of friction members and transmit the power; a gear train provided to transmit the power of the input shaft to a rotation shaft of the driven pulley without passing through the drive pulley; and another friction member provided to interrupt a power transmission path of the gear train.
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公开(公告)号：US10962094B2
公开(公告)日：2021-03-30
申请号：US16434764
申请日：2019-06-07
发明人： Il Dae Cho , Sung Hoon Park , Hyu Tae Shim , In Chan Kim , Tae Seok Seo
摘要： A powertrain may include an input shaft; a drive pulley and a driven pulley engaged to each other by a belt; a forward/backward switching mechanism provided to selectively switch a direction of power from the input shaft to the drive pulley by a plurality of friction members and transmit the power; a gear train provided to transmit the power of the input shaft to a rotation shaft of the driven pulley without passing through the drive pulley; and another friction member provided to interrupt a power transmission path of the gear train.
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公开(公告)号：US20200072330A1
公开(公告)日：2020-03-05
申请号：US16196981
申请日：2018-11-20
发明人： Il Dae Cho , Hyu Tae Shim , Tae Seok Seo , In Chan Kim
IPC分类号： F16H37/02
摘要： A continuously variable powertrain for vehicles may include an input shaft, a planetary gear train connected to the input shaft, a first clutch disposed to selectively connect rotation elements of the planetary gear set, a drive pulley disposed to receive power from the input shaft through the planetary gear set, a driven pulley connected to the drive pulley by a belt, an output shaft disposed concentrically with an axis of rotation of the driven pulley, a gear train connected between the input shaft and the output shaft in an external gear form, a second clutch disposed to transmit power from the input shaft through the gear train to the output shaft, and a third clutch disposed to transmit power from the driven pulley to the output shaft.
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公开(公告)号：US08882629B2
公开(公告)日：2014-11-11
申请号：US13846003
申请日：2013-03-18
发明人： Tae Seok Seo , In Chan Kim , Byung Dae Choi
CPC分类号： F16H3/666 , F16H2003/445 , F16H2200/0065 , F16H2200/2007 , F16H2200/2046
摘要： A multi-stage automatic transmission in which planet gear mechanisms, external gears and friction elements are combined in order to realize nine forward gears and one rearward gear having excellent operating conditions for friction elements and superior shift range ratios, thereby achieving excellent power performance and fuel efficiency.
摘要翻译： 一种多级自动变速器，其中组合有行星齿轮机构，外齿轮和摩擦元件，以实现九个前进档和一个后轮，其具有优异的摩擦元件操作条件和优异的变速范围比，从而实现优异的动力性能和燃料 效率。
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公开(公告)号：US20140128197A1
公开(公告)日：2014-05-08
申请号：US13846003
申请日：2013-03-18
发明人： Tae Seok Seo , In Chan Kim , Byung Dae CHOI
IPC分类号： F16H3/78
CPC分类号： F16H3/666 , F16H2003/445 , F16H2200/0065 , F16H2200/2007 , F16H2200/2046
摘要： A multi-stage automatic transmission in which planet gear mechanisms, external gears and friction elements are combined in order to realize nine forward gears and one rearward gear having excellent operating conditions for friction elements and superior shift range ratios, thereby achieving excellent power performance and fuel efficiency.
摘要翻译： 一种多级自动变速器，其中组合有行星齿轮机构，外齿轮和摩擦元件，以实现九个前进档和一个后轮，其具有优异的摩擦元件操作条件和优异的变速范围比，从而实现优异的动力性能和燃料 效率。
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