Patent · US Active

Spray arm assembly for a dishwasher

US9314144B2 · kind B2 · utility

3Cited by
2References
12Claims
0Family size

Assignee

Inventors

Key dates

Filing dateFeb 9, 2010
Grant dateApr 19, 2016
Priority date
Expiry dateMay 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.