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:
Jul. 15, 2025
Filed:
May. 13, 2021
Applicant:
Hitachi Astemo, Ltd., Hitachinaka, JP;
Inventors:
Takuya Watai, Hitachinaka, JP;
Takao Miyake, Hitachinaka, JP;
Taisuke Sugii, Tokyo, JP;
Masashi Sugaya, Hitachinaka, JP;
Assignee:
Hitachi Astemo, Ltd., Hitachinaka, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
F02M 61/18 (2006.01);
U.S. Cl.
CPC ...
F02M 61/188 (2013.01); F02M 61/182 (2013.01);
Abstract
A fuel injection device includes a nozzle element, an injection hole forming member, and a valve element. The injection hole forming member includes a seat part having the seat surface, and a suck chamber formed on a front end part of the seat part, the suck chamber being a recess denting in the direction of heading from the seat surface toward a front end part. The suck chamber has a suck chamber injection hole from which a fuel is jetted toward the ignition plug.