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:
May. 02, 2017
Filed:
Jan. 28, 2016
Mazda Motor Corporation, Aki-gun, Hiroshima, JP;
Mazda Motor Corporation, Hiroshima, JP;
Abstract
A control system of an engine is provided. The control system includes a deceleration fuel cutoff module for performing a deceleration fuel cutoff when a deceleration fuel cutoff condition is satisfied in an engine decelerating state, a purge unit for purging by supplying a purge gas to an intake passage during the deceleration fuel cutoff, an exhaust emission control catalyst provided in an exhaust passage, an Osensor provided at a position of the exhaust passage downstream of the exhaust emission control catalyst, an abnormality determining module for determining an abnormality of the exhaust emission control catalyst, and a purge restricting module for restricting the purge during an immediately previous deceleration fuel cutoff.