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:
Jul. 02, 1996
Filed:
Nov. 01, 1994
Applicant:
Inventor:
Hajime Kako, Himeji, JP;
Assignee:
Mitsubishi Denki Kabushiki Kaisha, Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F02D / ;
U.S. Cl.
CPC ...
36443105 ; 123380 ; 364558 ;
Abstract
An engine-controlling atmospheric pressure detection system which is capable of detecting atmospheric pressure highly frequently, even during descending, based on a signal from a pressure sensor for detecting air-intake pressure. An actual air-intake pressure is normalized in relation to air-intake pressures at high and low altitudes, respectively, when a throttle valve is closed, which pressures have been stored in a ROM, thereby determining the resultant value as a parameter. The atmospheric pressure is thus detected from the minimum value of such a parameter.