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:
Sep. 01, 2009
Filed:
Oct. 06, 2005
Akira Akabane, Miyagi, JP;
Akira Akabane, Miyagi, JP;
Keihin Corporation, Tokyo, JP;
Abstract
An electromagnetic fuel injection valve having a cylindrical magnetic body, the front end of a cylindrical non-magnetic body surrounding a part of a movable core coaxially connected to a valve body is connected coaxially to the rear end of the cylindrical magnetic body, and a fixed core is fitted into and fixed to a rear portion of the cylindrical non-magnetic body, wherein the movable core includes a tubular sliding portion having an outer peripheral face that is in sliding contact with an inner peripheral face of a rear portion of the cylindrical magnetic body, a rear tubular opposing portion, and a front tubular opposing portion, and when the diameter of the rear tubular opposing portion is D, the diameter of the front tubular opposing portion is D, and the diameter of the tubular sliding portion is D, they are set so that D<D<D