US Patent 10301764 Dryer appliances with improved vent ducts

A vent duct for a dryer appliance includes a grill, the grill including an outer sidewall and an inner edge. The inner edge defines a first opening. The outer sidewall defines a second opening and a plurality of grating apertures. Each of the plurality of grating apertures has a surface area that is smaller than a surface area of the first opening and the second opening. The vent duct further includes a screen filter removably insertable in the first opening. The screen filter includes a cover and a filter. The vent duct further includes a cover panel, the cover panel removably positionable on the second opening.