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:
Dec. 23, 2003
Filed:
Aug. 30, 2001
Applicant:
Inventors:
Shinji Nakagawa, Hitachinaka, JP;
Minoru Ohsuga, Hitachinaka, JP;
Toshio Hori, Hitachinaka, JP;
Hidefumi Iwaki, Hitachinaka, JP;
Assignee:
Hitachi, Ltd., Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F02D 4/110 ;
U.S. Cl.
CPC ...
F02D 4/110 ;
Abstract
Provided is a control apparatus for a fuel priority type internal combustion engine, including a means of directly or indirectly detecting a variation in air density, for correcting a maximum value of the desired fuel volume on a basis of a result of the detection so as to adjust the relationship between an accelerator opening degree and the desired fuel volume, or a shaft torque value and a desired fuel volume are determined in accordance with a fuel volume corresponding to an internal loss and a fuel volume corresponding to a maximum value of the desired fuel volume.