Spray arm assembly for a dishwasher
US9314144B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Feb 9, 2010 |
| Grant date | Apr 19, 2016 |
| Priority date | — |
| Expiry date | May 12, 2033 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA47L15/23
- WIPO fieldFurniture, games
- WIPO sectorOther fields
Abstract
A spray arm assembly for a dishwasher, comprising a spray arm (12; 74) comprising a plurality of spraying nozzles (40, 42, 60; 76), and support means (16; 56; 78) comprising a mounting element (18; 50; 80) for mounting the support means within the dishwasher and a support member (20; 54; 82) on which the spray arm (12; 74) rests during periods of non-use. The spray arm assembly is characterized in that it further comprises —first supplemental outlet means (24, 48, 58; 92) to direct, during periods of use, liquid to between the support member (20; 54; 82) and the spray arm (12; 74) so as to form a liquid layer between the support member and the spray arm, on which liquid layer the spray arm floats during rotation, and —second supplemental outlet means (28; 86) to direct, during periods of use, liquid to between the spray arm (12, 74) and a guiding surface (34) provided at the support means, so as to stabilize rotation of the spray arm.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.