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公开(公告)号：US20130269516A1
公开(公告)日：2013-10-17
申请号：US13447411
申请日：2012-04-16
IPC分类号： F16J1/00
CPC分类号： F15B15/1419 , F15B15/1414
摘要： A linear actuator is provided having a housing with a bore having at least first and second portions extending therethrough. The second portion has a polygonal geometry with substantially rounded corners having at least one planar bearing surface. A shaft is in sliding engagement with the first portion of the bore, and a piston member is operatively coupled to the shaft. The piston member has a mating geometry to the second portion of the bore, wherein the piston member is in sliding engagement with the second portion of the bore. An anti-rotation member is coupled to the piston member or shaft and has a generally D-shaped geometry with a planar anti-rotation bearing surface. Contact between the anti-rotation member and the housing is limited to a sliding engagement between the anti-rotation bearing surface and one of the at least one bearing surfaces based on an orientation of the anti-rotation member.
摘要翻译： 提供一种线性致动器，其具有壳体，所述壳体具有至少穿过其中延伸的第一和第二部分的孔。 第二部分具有多边形几何形状，其基本上圆角具有至少一个平面支承表面。 轴与孔的第一部分滑动接合，并且活塞构件可操作地联接到轴。 活塞构件与孔的第二部分具有配合几何形状，其中活塞构件与孔的第二部分滑动接合。 防旋转构件联接到活塞构件或轴，并且具有大致D形的几何形状，具有平面的防旋转承载面。 基于防旋转构件的取向，防转动构件和壳体之间的接触被限制在防转动支承表面与至少一个支承表面中的一个之间的滑动接合。
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公开(公告)号：US09080583B2
公开(公告)日：2015-07-14
申请号：US13447411
申请日：2012-04-16
CPC分类号： F15B15/1419 , F15B15/1414
摘要： A linear actuator is provided having a housing with a bore having at least first and second portions extending therethrough. The second portion has a polygonal geometry with substantially rounded corners having at least one planar bearing surface. A shaft is in sliding engagement with the first portion of the bore, and a piston member is operatively coupled to the shaft. The piston member has a mating geometry to the second portion of the bore, wherein the piston member is in sliding engagement with the second portion of the bore. An anti-rotation member is coupled to the piston member or shaft and has a generally D-shaped geometry with a planar anti-rotation bearing surface. Contact between the anti-rotation member and the housing is limited to a sliding engagement between the anti-rotation bearing surface and one of the at least one bearing surfaces based on an orientation of the anti-rotation member.
摘要翻译： 线性致动器设置有具有孔的壳体，该孔具有至少延伸穿过其中的第一和第二部分。 第二部分具有多边形几何形状，其基本圆角具有至少一个平面支承表面。 轴与孔的第一部分滑动接合，并且活塞构件可操作地联接到轴。 活塞构件与孔的第二部分具有配合的几何形状，其中活塞构件与孔的第二部分滑动接合。 防旋转构件联接到活塞构件或轴，并且具有大致D形的几何形状，具有平面的防旋转支承表面。 基于防旋转构件的取向，防转动构件和壳体之间的接触被限制在防转动支承表面与至少一个支承表面中的一个之间的滑动接合。
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