Whirlpool Corporation
Dishwasher drain assemblies having overmolded volutes

Abstract:

An air vent for a dishwasher drain assembly having an overmolded volute is disclosed. The air vent has a surface with a first aperture defined therethrough and at least a portion of the surface sloping downward toward the first aperture. A flexible member having a shape is positioned across the portion of surface. The flexible member flexes toward and sealably engages the first aperture when a force presses the flexible member, and the flexible member is positioned away from the first aperture allowing air to pass through the first aperture when the force does not press the flexible member.