Patent · US Expired

Dishwasher relief valve

US5167248A · kind A · utility

14Cited by
12References
20Claims
0Family size

Assignee

Inventor

Key dates

Filing dateDec 9, 1991
Grant dateDec 1, 1992
Priority date
Expiry dateDec 9, 2011

Classification

  • Technology area (CPC Y)Emerging Cross-Sectional Technologies
  • CPC primaryY10T137/309
  • WIPO fieldFurniture, games
  • WIPO sectorOther fields

Abstract

A relief valve is provided in a dishwasher for relieving an overpressure condition in the washing chamber of the dishwasher. The relief valve includes a cap portion fitting over a chimney opening and a base portion slidably extending into the chimney. The cap portion has a plurality of small perforations allowing for passage of overpressure air flow while precluding the passage of suds.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.