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:
May. 13, 2008
Filed:
Oct. 25, 2006
Masato Kumagai, Saitama, JP;
Hiroshi Yamada, Gunma, JP;
Satoshi Hashimoto, Gunma, JP;
Nobuaki Kobayashi, Gunma, JP;
Masato Kumagai, Saitama, JP;
Hiroshi Yamada, Gunma, JP;
Satoshi Hashimoto, Gunma, JP;
Nobuaki Kobayashi, Gunma, JP;
Hitachi, Ltd., Tokyo, JP;
Abstract
A fuel injector includes a tube member and a valve element to slide axially in the tube member. The valve element includes a center portion and a plurality of plate portions projecting radially from the center portion, and each including side surfaces extending axially; and a guide section including an outer portion defining a valve seat, and an inner portion which is located on a radial inner side of the outer portion, and which is formed with at least one injection hole. The guide section is arranged to divert the flow of the fuel conveyed along the plate portions, to a radial inward direction toward the injection hole.