Domestic machine, especially dishwasher, has-return element that at least partly opens liquid passage when in air, e.g. it adopts rest position before closed position when in air

摘要

The machine has an emptying pump (1) and an associated non-return element (7a) for a liquid passage that adopts a blocking position in the event of reverse liquid flow to block the liquid passage (9a). The non-return element at least partly opens the liquid passage when in air. It adopts a rest position before the closed position when in air.