A warewash machine includes a housing defining a chamber for receiving wares, the chamber having at least one spray zone, a wash spray system for spraying wash liquid onto wares and a rinse spray system for spraying rinse liquid onto wares. At least one ultrasonic transducer is located for detecting wares feeding into the chamber and/or for detecting wares within the chamber. A controller is associated with the ultrasonic transducer and configured to identify one or more of ware location, ware movement, ware size, ware shape and/or ware material based upon outputs from the at least one ultrasonic transducer. The controller is further configured to control at least one operating parameter of the machine based at least in part upon identified ware location, identified ware movement, identified ware size, identified ware shape and/or identified ware material.

A dishwasher, including a chamber for washing dishes and a chamber for storing dishes is provided. A mechanism is also provided allowing the dish racks to move the dishes from the washing chamber to the storage chamber of the dishwasher once the wash is completed.

A dishwasher, including a chamber for washing dishes and a chamber for storing dishes is provided. A mechanism is also provided allowing the dish racks to move the dishes from the washing chamber to the storage chamber of the dishwasher once the wash is completed.

A dishwashing machine curtain having a header element and a curtain element suspended below the header element. The header element is formed by a loop of material forming a pocket along a width of the header element. A rigid element extends through the pocket. The header element and the rigid element are bonded. A plurality of apertures are formed through the header element and the rigid element to allow the dishwashing machine curtain to be installed in a commercial, tunnel-type dishwashing machine.

A dishwashing machine curtain having a header element and a curtain element suspended below the header element. The header element is formed by a loop of material forming a pocket along a width of the header element. A rigid element extends through the pocket. The header element and the rigid element are bonded. A plurality of apertures are formed through the header element and the rigid element to allow the dishwashing machine curtain to be installed in a commercial, tunnel-type dishwashing machine.

A spray arm assembly comprises a housing defining at least one locating port that includes at least one opening; a spring-loaded connector having a body complementary in shape to the at least one locating port and removably connected to the housing within the at least one locating port, the spring-loaded connector having an inlet in fluid communication with the at least one opening when connected to the housing within the at least one locating portand an outlet; and at least one spray arm connected to the spring-loaded connector such that the spray arm is in fluid communication with the outlet of the spring-loaded connector.