WATER DELIVERY SYSTEM FOR UPPER SPRAY ARM OF A DISHWASHER

摘要

A dishwasher has an upper rack that carries a spray arm having a horizontal manifold tube that engages in a port associated with a vertical main feed tube for supplying wash water to the spray arm. There can be from one to a plurality of ports into which the manifold tube can be inserted. A check valve assembly can be included when there are a plurality of ports, the check valve assembly having from one to a plurality of flapper valves for closing each port when the manifold tube is withdrawn. The manifold tube has an entrance region at its open end that engages the/each port. The entrance region has a mouth lying in a plane oblique to the vertical and horizontal directions.