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Invention Grant
CN107208755B 使用具有非轨道臂的双臂张紧器的用于混合动力车辆的环形传动装置 有权

使用具有非轨道臂的双臂张紧器的用于混合动力车辆的环形传动装置
Abstract:
在一方面，提供一种用于使带张紧的张紧器，并且该张紧器包括具有第一带轮的第一张紧器臂和具有第二带轮的第二张紧器臂。第一带轮和第二带轮构造成分别用于与第一带跨度部和第二带跨度部接合，并且分别沿第一自由臂方向和沿第二自由臂方向对所述第一带轮和所述第二带轮进行偏置。第二张紧器臂止挡部定位成对第二张紧器臂的沿与第二自由臂方向相反的方向的运动进行限制。第二张紧器臂止挡部定位成使得：在使用中，当第二张紧器臂在整个操作状态的第一选定范围内与第二张紧器臂止挡部接合时，第二带轮与环形传动构件接合。
Abstract(English):

In an aspect, a tensioner is provided for tensioning a belt and includes first and second tensioner arms having first and second pulleys respectively. The first and second pulleys are configured for engagement with first and second belt spans, and are biased in first and second free arm directions respectively. A second tensioner arm stop is positioned to limit the movement of the second tensioner arm in a direction opposite the second free arm direction. The second tensioner arm stop is positioned such that, in use, the second pulley is engaged with the endless drive member while the second tensioner arm is engaged with the second tensioner arm stop throughout a first selected range of operating conditions.

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