专利名称：Hydraulic pressure control valve发明人：Kazumasa Tabata,Manabu Takaoka申请号：US07/920055申请日：19920727公开号：US05244012A公开日：19930914
摘要：A hydraulic pressure control valve, wherein a valve body having six oil grooveson its outer periphery at specified intervals is rotatably disposed in a cylindrical casinghaving six oil grooves on its inner periphery at specified intervals, and throttles areconstructed on both sides of the respective oil grooves, thereby two throttling unitseach of which consisting of six throttles, are constructed and respective two throttlesfacing to each other in the radial direction among respective six throttles constructingrespective throttling units have regions in which throttle areas do not substantiallychange until the relative angular displacement between the valve body and the casingreaches a predetermined magnitude.
申请人：KOYO SEIKO CO., LTD.
代理机构：Townsend and Townsend Khourie and Crew
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