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:
May. 17, 2005
Filed:
Aug. 15, 2003
Applicant:
Fumiaki Nasu, Hitachinaka, JP;
Inventor:
Fumiaki Nasu, Hitachinaka, JP;
Assignee:
Hitachi, Ltd., Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F02M051/00 ;
U.S. Cl.
CPC ...
Abstract
A fuel injection valve driving method includes control of an overexciting current and a holding current supplied to the fuel injection valve in accordance with a target fuel supply pressure as obtained from an operating condition. Thereby the opening and holding of the open position of the fuel injection valve is controlled.