Dishwasher
US9462924B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | May 11, 2012 |
| Grant date | Oct 11, 2016 |
| Priority date | — |
| Expiry date | Aug 13, 2035 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA47L15/4282
- WIPO fieldFurniture, games
- WIPO sectorOther fields
Abstract
The present invention relates to a flow passage change-over unit provided to a spray arm of a dishwasher having a plurality of channels, including a change-over unit body for making reciprocating movement according to a water pressure, a body rotating unit secured to an circumferential surface of the change-over unit body for rotating the change-over unit body, and channel opening holes in a closed side of the change-over unit body for opening some of the plurality of supply holes according to a rotation angle of the change-over unit body.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.