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:
Apr. 03, 1990
Filed:
Mar. 27, 1989
Tadaki Ota, Fujisawa, JP;
Nissan Motor Co., Ltd., Yokohama, JP;
Abstract
An apparatus for controlling fuel delivery to an internal combustion engine having a plurality of cylinders each having an individual fuel injector. The apparatus comprises a sensor sensitive to an alcohol concentration of the fuel to be delivered to the engine for producing an alcohol concentration signal indicative of a sensed alcohol concentration. The apparatus also includes a control unit responsive to the alcohol concentration signal for controlling the duration of fuel injection from each of the fuel injectors to the corresponding cylinder. The control unit calculates a first time at which fuel injection to the corresponding cylinder is terminated and a second time at which fuel injection to the corresponding cylinder is initiated to ensure that the fuel injection will be terminated at the first time. The first time is varied according to the alcohol concentration.