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:
Apr. 05, 2005
Filed:
Apr. 22, 2003
Nobutaka Ishii, Gunma, JP;
Hideo Kato, Tochigi, JP;
Tomoichi Misawa, Gunma, JP;
Nobuaki Kobayashi, Gunma, JP;
Nobutaka Ishii, Gunma, JP;
Hideo Kato, Tochigi, JP;
Tomoichi Misawa, Gunma, JP;
Nobuaki Kobayashi, Gunma, JP;
Hitachi Unisia Automotive, Ltd., Kanagawa, JP;
Abstract
A fuel injection valve includes: a magnetic barrel body made of a magnetic material and shaped substantially into a barrel, a core barrel made of a magnetic material and shaped substantially into a barrel, a valve seat member positioned on a downstream side of the core barrel and disposed in the magnetic barrel body, a valve body positioned between the core barrel and the valve seat member, an O-ring positioned in a vicinity of a flange portion of the magnetic barrel body, a fuel filter assembly disposed at the first end on the fuel's influx side of the magnetic barrel body. A flange of the fuel filter assembly is made of a material lower in hardness than the magnetic material of the magnetic barrel body. The flange of the fuel filter assembly has a diameter larger than the diameter of the flange portion of the magnetic barrel body.