| 摘要 |
Dishwasher appliances are provided. A pump device of a dishwasher appliance may include a first centrifugal pump in fluid communication with a drain and a second centrifugal pump in fluid communication with a fluid circulation assembly. The pump device further includes a motor, the motor including a driveshaft, the driveshaft rotatable in a first direction and a second opposite direction. The pump device further includes a first one-way bearing connecting the first centrifugal pump to the driveshaft, the first one-way bearing operable to rotate the impeller of the first centrifugal pump when the driveshaft is rotating in the first direction, and a second one-way bearing connecting the second centrifugal pump to the driveshaft, the second one-way bearing operable to rotate the impeller of the second centrifugal pump when the driveshaft is rotating in the second direction. |
| 主权项 |
1. A dishwasher appliance, comprising:
a tub that defines a wash chamber for receipt of articles for washing; a sump for collecting fluid from the wash chamber; a fluid circulation assembly in fluid communication with the sump for circulating fluid in the tub; a drain for draining fluid from the sump; and a pump device in fluid communication with the sump, the pump device comprising:
a first centrifugal pump, the first centrifugal pump comprising an impeller and in fluid communication with the drain;a second centrifugal pump, the second centrifugal pump comprising an impeller and in fluid communication with the fluid circulation assembly;a motor, the motor comprising a driveshaft, the driveshaft rotatable in a first direction and a second opposite direction;a first one-way bearing connecting the first centrifugal pump to the driveshaft, the first one-way bearing operable to rotate the impeller of the first centrifugal pump when the driveshaft is rotating in the first direction; anda second one-way bearing connecting the second centrifugal pump to the driveshaft, the second one-way bearing operable to rotate the impeller of the second centrifugal pump when the driveshaft is rotating in the second direction. |
