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:
Dec. 06, 2005
Filed:
Aug. 24, 2001
Ichiro Hirata, Fujisawa, JP;
Norio Uemura, Fujisawa, JP;
Yoshinari Kasagi, Fujisawa, JP;
NOK Corporation, Tokyo, JP;
Abstract
A solenoid valve appropriately used for pressure control of various fluids, or the like is concerned, and a solenoid valve is provided, which achieves improvement in sliding property of a plunger and is excellent in control characteristics. More specifically, a plungeris substantially cylindrical-shaped and slidably supported at its outer peripheral side by a sleeve, the plunger being provided with a large-diameter portionwhich constitutes a sliding portion, the large-diameter portionbeing alternately provided with a plurality of convex surface portionsand a plurality of groove portionsand having a cross sectional shape like petals.