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:
Jan. 27, 2004
Filed:
Nov. 16, 2001
Shuichi Wada, Hyogo, JP;
Mitsubishi Denki Kabushiki Kaisha, Tokyo, JP;
Abstract
A fuel nature judging device for an internal combustion engine includes a fuel nature judgment permitting device which determines that fuel nature judgment requirements are satisfied and permits fuel nature judgment when the cooling water temperature at the time of previous engine stop is higher than a reference temperature, when the cooling water temperature is lower than a reference water temperature, and when the deviation of the cooling water temperature from the intake air temperature is less than a reference deviation, a fuel nature judging device for judging fuel nature on the basis of a predetermined engine condition when fuel nature judgment is permitted, and a fuel nature judgment result storing device for storing the judgment result of the fuel nature judging device.