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. 18, 2023
Filed:
Jan. 24, 2019
Hitachi Automotive Systems, Ltd., Hitachinaka, JP;
Akiyasu Miyamoto, Hitachinaka, JP;
Masashi Sugaya, Hitachinaka, JP;
Yasuo Namaizawa, Hitachinaka, JP;
Takuya Watai, Hitachinaka, JP;
HITACHI ASTEMO, LTD., Hitachinaka, JP;
Abstract
Provided is a fuel injection valve capable of stroking a valve body in two stages of large and small strokes and improving responsiveness of a valve opening operation. Therefore, a first moveris attracted to a magnetic core. A second moveris formed separately from the first mover, and is attracted to the magnetic coreon an inner diameter side of the first mover. A valve bodyhas a flange portionon an upstream side of the second mover. A spacerforms a gap (void g) in an axial direction between the flange portionand the second moverin a valve closed state.