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1. 发明公开

EP3221596A1 PNEUMATIC CYLINDER WITH DAMPER SLEEVE 有权转让
标题翻译：带防尘套的气动缸
公开(公告)号：EP3221596A1
公开(公告)日：2017-09-27
申请号：EP15818039.8
申请日：2015-11-16
申请人： Camozzi S.p.A. Societa' Unipersonale
发明人： BICELLI, Sebastian , BRAGA, Dario , BOTTARELLI, Fabio , MOROZOV, Vladimir
IPC分类号： F15B15/22
摘要： A pneumatic cylinder (100) comprises a piston, axially mobile inside a casing. The pneumatic cylinder comprises at least one damper sleeve (10) suitable to reduce the intensity of the impact that occurs when the piston (20) arrives in abutment against the head (104, 105) of the casing. The damper sleeve (10) is provided with a front portion (14) provided with a plurality of through holes (60), extending in a radial direction, and a tapered wall (143) with a wall thickness which decreases toward a front end (144) of the damper sleeve (10). When the piston (20) approaches the end-stroke position, the pressurised air escapes towards the duct (108) through the holes (60) and a vent space (80) defined between the stem (21) of the piston (20) and an inner wall (141) of the front portion (14) of the sleeve (10).
摘要翻译：气缸（100）包括可在壳体内轴向移动的活塞。气缸包括至少一个适于减小当活塞（20）抵靠壳体的头部（104,105）时发生的冲击的强度的减震套筒（10）。阻尼套筒10具有设置有沿径向延伸的多个通孔60的前部14和具有朝向前端减小的壁厚的锥形壁143，阻尼套筒（10）的内径（图144）。当活塞（20）接近端部行程位置时，加压空气通过孔（60）和活塞（20）的杆（21）和活塞（20）之间限定的排放空间（80）朝向管道套筒（10）的前部（14）的内壁（141）。

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