公开(公告)号：US20160186862A1

公开(公告)日：2016-06-30

申请号：US14902578

申请日：2014-06-30

申请人： NTN CORPORATION

发明人： Takumi KONDOU ,  Kohzoh KAKEHI

IPC分类号： F16J15/16 ,  C09K3/10

CPC分类号： F16J15/16 ,  C09K3/1006 ,  C09K3/1025 ,  C09K2200/0657 ,  F16J9/08 ,  F16J15/164 ,  F16J15/3272 ,  F16J15/48

摘要： It is an object of the present invention to provide a seal ring which has small oil leak and low torque generation performance for improving fuel consumption in a favorable balance as originally intended by the present invention. A seal ring (1) is mounted on an annular groove formed on one member consisting of either a housing having a shaft hole or a rotary shaft inserted into the shaft hole, contacts a surface of other member consisting of either the housing or the rotary shaft, and slidably contacts a side wall surface of the annular groove at a non-sealed fluid side thereof. V-shaped concave portions (3) which do not contact the side wall surface of the annular groove are formed on at least one portion of an end of an inner diameter side of a side surface (2) of the seal ring (1).

摘要翻译： 本发明的目的是提供一种密封环，该密封环具有小的漏油和低扭矩产生性能，用于以本发明原来想要的良好平衡来改善燃料消耗。 密封环（1）安装在形成在一个构件上的环形槽上，所述环形槽由具有轴孔或插入轴孔的旋转轴的壳体组成，与由壳体或旋转轴 并且在其非密封流体侧可滑动地接触环形槽的侧壁表面。 在密封环（1）的侧面（2）的内径侧的端部的至少一部分上形成有不与环状槽的侧壁面接触的V字状的凹部（3）。

公开(公告)号：US20180231127A1

公开(公告)日：2018-08-16

申请号：US15516636

申请日：2015-09-30

申请人： NTN CORPORATION

发明人： Kohzoh KAKEHI ,  Takumi KONDOU

IPC分类号： F16J15/3248

CPC分类号： F16J15/3248 ,  F16J15/18 ,  F16J15/441

摘要： The present invention provides a seal ring capable of maintaining excellent low torque generation performance for a long term. A seal ring (1) is mounted on an annular groove formed on one member consisting of either a housing having a shaft hole or a rotary shaft inserted into the shaft hole, partly projects from the annular groove and contacts a surface of other member consisting of either the housing or the rotary shaft, and slidably contacts a side wall surface of the annular groove at a non-sealed fluid side thereof, thereby sealing an annular gap between the one member and the other member. An outer diameter side (2a) of the side surface (2) of the ring to be subjected to at least the side wall surface of the annular groove is formed as an inclined surface having an inclined angle in such a way as to decrease a width of the ring from the outer diameter side of the side surface of the ring to an inner diameter side of the side surface thereof. A concave portion (3) which does not contact the side wall surface of the annular groove and communicates with an inner circumferential surface (1b) of the ring is formed on a portion of the inner diameter side (2b) of the side surface of the ring not projecting from the annular groove.