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:
Jan. 08, 2013
Filed:
Aug. 21, 2009
Hiroaki Shimizu, Kakogawa, JP;
Hiroaki Shimizu, Kakogawa, JP;
Kawasaki Jukogyo Kabushiki Kaisha, Kobe-shi, JP;
Abstract
An oil immersed solenoid capable of easily and quickly removing air and air bubbles in oil in a space accommodating a movable core and preventing the air and the like from accumulating in the space. In an oil immersed solenoid in which a movable core is accommodated in a space of a tubular second guide so as to be movable in an axial direction of the second guide and the movable core is pulled by a fixed magnetic pole portion provided to be spaced apart from a tip end portion of the second guide, an air accumulation preventing portion is provided between the tip end portion of the second guide and a convex portion of a rear end portion of the fixed magnetic pole portion, and the second guide is made of a magnetic material and the air accumulation preventing portion is made of a non-magnetic material.