Plug-in hybrid EVAP valve management to reduce valve cycling

• Main Authors: MCCARTHY TIMOTHY E, LU JUN, STEC JONATHAN J, WHITE VINCENT A, WANG ZHONG, MAXEY MILES K, WANG LAN, SPOHN BRIAN, VAN GILDER JOHN F
• Format: Patent
• Language: English
• Published: 21.05.2013
• Subjects: BLASTING; CALCULATING; COMBUSTION ENGINES; COMPUTING; COUNTING; ELECTRIC DIGITAL DATA PROCESSING; HEATING; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS; LIGHTING; MECHANICAL ENGINEERING; PHYSICS; SUPPLYING COMBUSTION ENGINES IN GENERAL, WITH COMBUSTIBLEMIXTURES OR CONSTITUENTS THEREOF; WEAPONS

A control module for an engine of a vehicle includes a mode determination module that determines whether the vehicle is in a fuel-saving mode based on an acceleration of the vehicle. A diurnal control valve (DCV) control module selectively closes a DCV a predetermined time after at least one of dete...