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:
Jan. 08, 2019
Filed:
Sep. 29, 2017
Nissan North America, Inc., Franklin, TN (US);
Yichao Guo, Rochester Hills, MI (US);
Janean Kowalkowski, Northville, MI (US);
Nissan North America, Inc., Franklin, TN (US);
Abstract
A fuel cap detection system includes a charcoal canister, a notification system, and an electronic controller. The charcoal canister is connected to a fuel tank of a vehicle, the charcoal canister includes a vent valve. The notification system is configured to notify a user when a fuel cap is incorrectly positioned. The electronic controller is configured to perform a leak detection test on the fuel tank by activating the vent valve in the charcoal canister to determine whether the fuel cap is positioned incorrectly, and determine an intent of the user to reposition the fuel cap while the notification system notifies the user that the fuel cap is incorrectly positioned.