Method and system for a vehicle evaporative emissions control system

Methods and systems are provided herein for a dust box cleanout routine of an evaporative emissions control (EVAP) system of a vehicle. In one example, a method is provided for an engine of a vehicle, comprising, during travel on an unpaved road, selectively discharging a dust box housed in a vent l...

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Bibliographische Detailangaben
Hauptverfasser:	Macke, Eric A, Dudar, Aed, Pyle, Robert
Format:	Patent
Sprache:	eng
Schlagworte:	ANALOGOUS ARRANGEMENTS USING OTHER WAVES ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS INVEHICLES ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OFTRANSMISSIONS IN VEHICLES ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GASEXHAUST OR FUEL SUPPLY OF PROPULSION UNITS, IN VEHICLES AUXILIARY DRIVES FOR VEHICLES BLASTING COMBUSTION ENGINES DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES ELECTRIC COMMUNICATION TECHNIQUE ELECTRICITY GYROSCOPIC INSTRUMENTS HEATING HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS INSTRUMENTATION OR DASHBOARDS FOR VEHICLES LIGHTING LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION ORRERADIATION OF RADIO WAVES MEASURING MEASURING DISTANCES, LEVELS OR BEARINGS MECHANICAL ENGINEERING NAVIGATION PERFORMING OPERATIONS PHOTOGRAMMETRY OR VIDEOGRAMMETRY PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL PHYSICS RADIO DIRECTION-FINDING RADIO NAVIGATION SEPARATION SIGNALLING SUPPLYING COMBUSTION ENGINES IN GENERAL, WITH COMBUSTIBLEMIXTURES OR CONSTITUENTS THEREOF SURVEYING TESTING TRAFFIC CONTROL SYSTEMS TRANSPORTING VEHICLE SUSPENSION ARRANGEMENTS VEHICLES IN GENERAL WEAPONS WIRELESS COMMUNICATIONS NETWORKS
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Beschreibung
Zusammenfassung:	Methods and systems are provided herein for a dust box cleanout routine of an evaporative emissions control (EVAP) system of a vehicle. In one example, a method is provided for an engine of a vehicle, comprising, during travel on an unpaved road, selectively discharging a dust box housed in a vent line of an evaporative emissions control (EVAP) system by opening a discharge valve of the dust box leading to atmosphere. In this way, an accumulation of dust on the air filter and in the dust box of the EVAP system may be reduced, thereby maintaining an efficiency of the EVAP system.