发明名称 OIL CONTROL VALVE AND HYDRAULIC CONTROL APPARATUS
摘要 An oil control valve includes: a housing that is connected to an oil passage via which an oil is fed to and drained from a hydraulic device; an elongated spool that changes a state of oil feeding-drainage for the hydraulic device by moving in the housing; and a drain passage which is formed in the spool such that the drain passage extends in an axial direction of the spool and an outlet of the drain passage is provided at a radial side face of an axial end portion of the spool, and via which the oil that has entered the housing from the hydraulic device is drained, wherein the spool includes an elongated spool body, and an attachment that is separate from the spool body and is fixed at an axial end portion of the spool body.
申请公布号 US2012048410(A1) 申请公布日期 2012.03.01
申请号 US201113215839 申请日期 2011.08.23
申请人 SHIMASAKI SHINOBU;TOYOTA JIDOSHA KABUSHIKI KAISHA 发明人 SHIMASAKI SHINOBU
分类号 F15B13/04;F16K27/00 主分类号 F15B13/04
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