Dishwasher with turbidity sensing mechanism
US5586567A · kind A · utility
59Cited by
10References
10Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jan 10, 1995 |
| Grant date | Dec 24, 1996 |
| Priority date | — |
| Expiry date | Jan 10, 2015 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA47L15/4297
- WIPO fieldFurniture, games
- WIPO sectorOther fields
Abstract
A turbidity sensing mechanism for a dishwasher is connected in the fluid circulation conduit between the pump and the spray mechanism. The mechanism includes a hollow housing enclosing a hollow transparent tube connected in fluid flow relationship with the conduit. A source of electromagnetic radiation and a radiation-to-frequency sensor are positioned inside the housing on opposite sides of the tube.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.