公开(公告)号：EP1013535B1

公开(公告)日：2006-01-04

申请号：EP99929793.0

申请日：1999-07-12

申请人： SHOWA CORPORATION

发明人： WANG, Chaojiu

IPC分类号： B62D5/07

CPC分类号： B62D6/02 ,  B62D5/06 ,  B62D5/062

摘要： A hydraulic power steering device (1) having a damper valve (10) arranged in hydraulic oil circuits (8, 9) connecting an oil path selector valve (11) inside a gear box to the right and left oil chambers of a power cylinder (6), wherein the damper valve (10) comprises a spool valve, a control oil chamber (21) of the spool valve (10) is connected to a hydraulic oil feed path (18) connecting a hydraulic pump (13) which is driven by an internal combustion engine so as to deliver hydraulic oil to the oil path selector valve (11), its back pressure chamber (17) is connected to a hydraulic oil circulating path (19) connecting the oil path selector valve (11) to a reservoir tank (12), and orifices (27, 28) are provided in the connecting oil paths (22, 20), respectively, whereby, when the pressure of oil delivered from the hydraulic pump (13) rises, the opening of the spool valve (10) is increased.

公开(公告)号：EP1013535A1

公开(公告)日：2000-06-28

申请号：EP99929793.0

申请日：1999-07-12

申请人： SHOWA CORPORATION

发明人： WANG, Chaojiu

IPC分类号： B62D5/07

CPC分类号： B62D6/02 ,  B62D5/06 ,  B62D5/062

摘要： A hydraulic power steering device (1) having a damper valve (10) arranged in hydraulic oil circuits (8, 9) connecting an oil path selector valve (11) inside a gear box to the right and left oil chambers of a power cylinder (6), wherein the damper valve (10) comprises a spool valve, a control oil chamber (21) of the spool valve (10) is connected to a hydraulic oil feed path (18) connecting a hydraulic pump (13) which is driven by an internal combustion engine so as to deliver hydraulic oil to the oil path selector valve (11), its back pressure chamber (17) is connected to a hydraulic oil circulating path (19) connecting the oil path selector valve (11) to a reservoir tank (12), and orifices (27, 28) are provided in the connecting oil paths (22, 20), respectively, whereby, when the pressure of oil delivered from the hydraulic pump (13) rises, the opening of the spool valve (10) is increased.

摘要翻译： 一种液压动力转向装置（1），其具有布置在将齿轮箱内的油路选择阀（11）连接到动力油缸（10）的右和左油室 其中阻尼阀10包括滑阀，滑阀10的控制油室21连接到连接被驱动的液压泵13的液压油供给路径18， 通过内燃机向油路切换阀11输送工作油，其背压室17与连接油路切换阀11的工作油循环路径19连接， 在所述连接油路（22,20）上分别设置有储油罐（12）和节流孔（27,28），当从所述油压泵（13）输送的油的压力上升时，所述阀芯 阀（10）增加。