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:
Oct. 20, 2026
Filed:
Dec. 05, 2022
Hitachi Astemo, Ltd., Hitachinaka, JP;
Kohei Azuma, Hitachinaka, JP;
Yasuhiko Nabeshima, Hitachinaka, JP;
Motoki Sanada, Hitachinaka, JP;
Seita Tokumoto, Hitachinaka, JP;
Hitachi Astemo Ltd., Ibaraki, JP;
Abstract
The present invention provides a fuel injection valve that suppresses variation in fuel injection performance caused by distortion of an orifice. The fuel injection valve includes: a fuel passage (), through which fuel is introduced; and an orifice member () press-fitted to the inner wall of the fuel passage (). The orifice member () includes: a cylindrical part () fixed to the inner wall of the fuel passage () by press-fitting; an end wall () which covers one end of the cylindrical part () and in which the orifice () is provided; and an annular stress absorption part () interposed between the one end of the cylindrical part () and the outer periphery of the end wall () to absorb stress caused by the press-fitting.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile