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:
Aug. 10, 2010
Filed:
Dec. 14, 2007
Hyung Kee Kim, Gunpo, KR;
Hyung Kee Kim, Gunpo, KR;
Hyundai Motor Company, Seoul, KR;
Abstract
A method of measuring an initial hydrocarbon concentration in a canister includes opening a purge control valve thereby introducing hydrocarbons from the canister to a cylinder; calculating an amount of air introduced into the cylinder; and calculating the initial hydrocarbon concentration based on the amount of air. A method of controlling fuel injection includes measuring an initial hydrocarbon concentration in a canister by opening a purge control valve in a fuel cut-off mode; determining a driving state of a vehicle; calculating an air inflow to a cylinder according to the driving state of the vehicle; calculating a λ set-point according to the driving state of the vehicle; and calculating fuel injection amount based on the air inflow and the λ set-point. Also, a system for controlling fuel injection.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile