Pump system for a drawer-type dishwasher
US7862665B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Feb 9, 2005 |
| Grant date | Jan 4, 2011 |
| Priority date | — |
| Expiry date | Jun 23, 2029 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA47L15/4227
- WIPO fieldFurniture, games
- WIPO sectorOther fields
Abstract
A drawer-type dishwasher includes a frame assembly, a tub, a wash arm and a pump system. The pump system includes a flow housing mounted at a rear portion of the tub and a drain conduit. The flow housing includes an inlet portion, an outlet portion, a pump portion and a drain port. Within the pump portion are arranged an impeller, a chopper mechanism as well as a plurality of flow straightening fins. A motor is mounted to the flow housing for driving the impeller and the chopper mechanism. The drain conduit is connected between the drain port and a drain line. A venturi is provided in the drain conduit to create a siphoning action the decreases an amount of time required to drain the tub.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.