Patent · US Active

Siphon break apparatus configured to substantially prevent a siphon effect in a fluid conduit of a dishwasher and an associated method

US9204780B2 · kind B2 · utility

34Cited by

8References

24Claims

0Family size

Assignee

ELECTROLUX HOME PRODUCTS, INC. · BE

Inventors

Virgil J. Francisco · Ayden, US
Mark D. Montgomery · Greenville, US
Ralph A. Porcaro, II · Clayton, US

Key dates

Filing date	Jan 26, 2012
Grant date	Dec 8, 2015
Priority date	—
Expiry date	Sep 10, 2034

Classification

Technology area (CPC Y)Emerging Cross-Sectional Technologies
CPC primaryY10T137/3149
WIPO fieldCivil engineering
WIPO sectorOther fields

Abstract

According to example embodiments, a dishwasher may include a siphon break apparatus configured to substantially prevent a siphon effect in a fluid conduit configured to drain a fluid from the dishwasher. The siphon break apparatus may include a first check valve in fluid communication with the fluid conduit and exposed to a pressure therein and a second check valve in fluid communication with the first check valve. The first and second check valves may be configured to be substantially closed when pressure in the fluid conduit increases as a result of fluid being pumped through the fluid conduit and substantially open when pressure in the fluid conduit decreases as a result of the fluid no longer being pumped through the fluid conduit. Thereby the siphon effect may be substantially prevented.

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