Dishwasher with downward opening pump inlet mouth for improved operation
US5630437A · kind A · utility
37Cited by
9References
15Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jun 17, 1996 |
| Grant date | May 20, 1997 |
| Priority date | — |
| Expiry date | Jun 17, 2016 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T137/85954
- WIPO fieldFurniture, games
- WIPO sectorOther fields
Abstract
A dishwasher is provided with a flapper valve for directing water from a recirculation pump to spray arms or a drain. The valve is spring biased toward a recirculate position and solenoid operated to a drain position. An inlet of the pump is provided with a downwardly curved suction pipe having a generally horizontal bell mouth. The dishwasher has a sump separated into a pump chamber and a collection chamber. The pump inlet is located in the pump chamber and has a mouth that is located below a level of the bottom of the collection chamber. Wash liquid is pumped through a venturi in the collection chamber to a drain.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.