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:
Jun. 08, 2004
Filed:
Dec. 20, 2001
Hidetoshi Kobayashi, Anjo, JP;
Denso Corporation, Kariya, JP;
Abstract
An engine control system executes given control tasks, for example, at a 30° angular interval of an engine crank shaft. If a failure of a crank sensor has occurred, it becomes impossible to determine the 30° angular interval of the crank shaft. In this case, the engine control system works to calculate one-third of an interval (e.g., a 90° crank angle) between consecutive inputs of cam angular position signals to define a dummy 30° crank angle as a trigger for initiating the control tasks. If the cam angular position signal is inputted before the number of times the control tasks should be executed, in sequence, at an interval of the dummy 30° crank angle is not yet reached, each of the control tasks is executed immediately the same number of times as that the control task has not yet been executed at the dummy 30° crank angle time interval.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile