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.

Date of Patent:
Oct. 22, 2002

Filed:

Oct. 08, 1999
Applicant:
Inventors:

Takashi Sadahiro, Tokyo, JP;

Masahiro Shimizu, Tokyo, JP;

Michiyasu Nounen, Tokyo, JP;

Mikio Araki, Tokyo, JP;

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G01F 9/00 ;
U.S. Cl.
CPC ...
G01F 9/00 ;
Abstract

A remaining fuel Z is calculated by subtracting a fuel injection amount J supplied to an engine from stored fuel F measured by a fuel meter A fuel economy Fm is calculated by dividing a running distance M of a vehicle by a fuel injection amount J. A cruising distance K is calculated by multiplying the remaining fuel Z and the fuel economy Fm.


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