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:
Feb. 26, 1991
Filed:
Jun. 14, 1989
Yoshio Okamoto, Ibaraki, JP;
Yozo Nakamura, Ibaraki, JP;
Kyoichi Uchiyama, Kashiwa, JP;
Haruo Watanabe, Ibaraki, JP;
Tokuo Kosuge, Ibaraki, JP;
Akira Onishi, Tsuchiura, JP;
Akashi Terasaki, Katsuta, JP;
Hiroyuki Ando, Katsuta, JP;
Eiji Hamashima, Ibaraki, JP;
Hitachi, Ltd., Tokyo, JP;
Hitachi Automotive Engineering Co., Ltd., Katsuda, JP;
Abstract
An electromagnetic fuel injection valve in which an area of an annular gap formed by a ball valve and a valve seat when the ball valve is lifted is made smaller than cross sectional area of grooves provided on a fuel swirling element which gives fuel supplied a swirling force and further is made larger than a cross sectional area of a fuel injection port, whereby the fuel is injected with an excellent atomizing characteristic.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile