公开(公告)号：EP1788283A2

公开(公告)日：2007-05-23

申请号：EP07004611.5

申请日：2002-12-03

申请人： Litens Automotive

发明人： Lehtovaara, Jorma J. ,  Stepniak, Jacek ,  Frankowski, Marek ,  Lipowski, Mats K. ,  Forrest, Richard A.

IPC分类号： F16H7/12

CPC分类号： F16H7/129 ,  F16D41/206 ,  F16H7/0831 ,  F16H7/0834 ,  F16H7/1218 ,  F16H2007/081 ,  F16H2007/084

摘要： A tensioner (10) features a backstop device (40) which allows free rotation of the pivot arm (20) in one direction but not the other. Reverse rotation is prevented by friction that is able to resist torque on the pivot arm (20) under ordinary operating conditions which otherwise could permit belt tooth-skip to occur. In disclosed embodiments, the backstop device (40) includes a stop sleeve (50) and a clamp holder (60) which are axially interlocked and are able to rotate relative to each other. A clutch spring (80) surrounds permits relative rotation between the stop sleeve and the clamp holder in one direction but not the other. A clamp (70) retained within the clamp holder (60) frictionally engages the pivot shaft. A viscous coupling may be used in place of the frictional clamp.

摘要翻译： 张紧器（10）具有支承装置（40），其允许枢转臂（20）在一个方向上而不是另一个方向上自由旋转。 通过在通常的操作条件下能够抵抗枢转臂（20）上的扭矩的摩擦来防止反向旋转，否则可能允许皮带齿跳跃发生。 在所公开的实施例中，止回装置（40）包括止动套筒（50）和夹持保持器（60），所述止动套筒和夹具保持器轴向地互锁并且能够相对于彼此旋转。 离合器弹簧（80）包围允许止动套筒和夹具保持器在一个方向上的相对旋转，而不是另一个。 保持在夹具保持器（60）内的夹具（70）摩擦地接合枢转轴。 可以使用粘性联轴器代替摩擦夹具。

公开(公告)号：EP1788283B1

公开(公告)日：2012-01-18

申请号：EP07004611.5

申请日：2002-12-03

申请人： Litens Automotive

发明人： Lehtovaara, Jorma J. ,  Stepniak, Jacek ,  Frankowski, Marek ,  Lipowski, Mats K. ,  Forrest, Richard A.

IPC分类号： F16H7/12

CPC分类号： F16H7/129 ,  F16D41/206 ,  F16H7/0831 ,  F16H7/0834 ,  F16H7/1218 ,  F16H2007/081 ,  F16H2007/084

公开(公告)号：EP1788283A3

公开(公告)日：2009-09-02

申请号：EP07004611.5

申请日：2002-12-03

申请人： Litens Automotive

发明人： Lehtovaara, Jorma J. ,  Stepniak, Jacek ,  Frankowski, Marek ,  Lipowski, Mats K. ,  Forrest, Richard A.

IPC分类号： F16H7/12

CPC分类号： F16H7/129 ,  F16D41/206 ,  F16H7/0831 ,  F16H7/0834 ,  F16H7/1218 ,  F16H2007/081 ,  F16H2007/084

摘要： A tensioner (10) features a backstop device (40) which allows free rotation of the pivot arm (20) in one direction but not the other. Reverse rotation is prevented by friction that is able to resist torque on the pivot arm (20) under ordinary operating conditions which otherwise could permit belt tooth-skip to occur. In disclosed embodiments, the backstop device (40) includes a stop sleeve (50) and a clamp holder (60) which are axially interlocked and are able to rotate relative to each other. A clutch spring (80) surrounds permits relative rotation between the stop sleeve and the clamp holder in one direction but not the other. A clamp (70) retained within the clamp holder (60) frictionally engages the pivot shaft. A viscous coupling may be used in place of the frictional clamp.