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:
Mar. 30, 1993
Filed:
Jun. 03, 1992
Applicant:
Inventors:
Roland Gronenberg, Stuttgart, DE;
Joachim Tauscher, Stuttgart, DE;
Assignee:
Robert Bosch GmbH, Stuttgart, DE;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
F02M / ;
U.S. Cl.
CPC ...
123506 ; 123500 ;
Abstract
A method and device for controlling a solenoid-valve-regulated fuel-metering system. Given the desired angular position of a fuel pump camshaft at the beginning of fuel delivery and the desired angular duration of fuel delivery, the method and device of the present invention, while accounting for the switching time of the solenoid valve, determines the trigger instant and shut-off instant for at least one solenoid valve. The present invention achieves more accurate and stable fuel-metering by treating the switching time of the solenoid valve as an angular quantity.