The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Jul. 30, 2013
Filed:
Aug. 23, 2011
Shinobu Shimasaki, Toyota, JP;
Shinobu Shimasaki, Toyota, JP;
Toyota Jidosha Kabushiki Kaisha, Toyota-shi, JP;
Abstract
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.