Abstract: A dishwasher (1) for cleaning drinking vessels, wherein the dishwasher (1) has a treatment zone (3) and a conveyor apparatus (6) for conveying the items of washware (2) to be cleaned from an introduction region (4) of the dishwasher (1) through the treatment zone (3) to a removal region (5) of the dishwasher (1). The conveyor apparatus (6) is configured to convey a previously defined or definable group of items of washware (2) to be cleaned in batches from the introduction region (4) through the treatment zone (3) and then to feed the group of items of washware (2) as cleaned items of washware (2) to the removal region (5).

Abstract: A conveyor for transporting dishes, in particular drinking containers, through at least one treatment zone of a dishwasher and/or for feeding dishes to the dishwasher. The conveyor includes a circulating conveyor system, a plurality of retaining elements connected to the circulating conveyor system and configured in order to releasably receive and/or releasably retain drinking containers, in particular in a positively locking manner and preferably at least in a sectionally or partially positively locking manner, and a support system for at least partially and/or sectionally supporting the drinking containers, received by the retaining elements.

Abstract: A box-type dishwasher (1), wherein the dishwasher (1) has a fresh-water connection (20) with a feed valve (21), wherein a water-treatment system with a reverse-osmosis device (22) is provided downstream of the feed valve (21) in order to treat, in particular as required, as least some of the fresh water fed to the dishwasher (1) via the fresh-water connection (20), wherein a backflow preventer (6) is provided between the feed valve (21) and the reverse-osmosis device (22) in order to prevent water from flowing back from the dishwasher (1) into a fresh-water-supply installation (100) which is, or can be, flow-connected to the fresh-water connection (20).

Abstract: A dishwasher (1) for cleaning drinking vessels, wherein the dishwasher (1) has a treatment zone (3) and a conveyor apparatus (6) for conveying the items of washware (2) to be cleaned from an introduction region (4) of the dishwasher (1) through the treatment zone (3) to a removal region (5) of the dishwasher (1). The conveyor apparatus (6) is configured to convey a previously defined or definable group of items of washware (2) to be cleaned in batches from the introduction region (4) through the treatment zone (3) and then to feed the group of items of washware (2) as cleaned items of washware (2) to the removal region (5).