Global Patent Index - EP 0022911 A1

EP 0022911 A1 19810128 - Washing machine provided with a device for preventing backflow of water.

Title (en)

Washing machine provided with a device for preventing backflow of water.

Title (de)

Waschmaschine mit einer Vorrichtung zur Verhinderung des Wasserrückflusses.

Title (fr)

Machine à laver avec dispositif pour empêcher le reflux d'eau.

Publication

EP 0022911 A1 19810128 (EN)

Application

EP 80102829 A 19800521

Priority

IT 3402279 A 19790521

Abstract (en)

Preventing device for backflow of contaminated water in washing machines for domestic use characterized in that outlet opening (8) of the supply nozzle (7) is located at a level (C) below the static water level (A), the end portion of said supply nozzle extending into an inverted cup-shaped element (10) the opening of which is located at a level (D) above the dynamic water level (B), the interior wall surface of said cup-shaped element and the exterior surface of said supply nozzle end portion defining a space the volume of which is at least equal to the interior volume of said supply tube (5) between said static water level (A) and the level (C) of said outlet opening.

IPC 1-7

A47L 15/42; D06F 39/08

IPC 8 full level

A47L 15/42 (2006.01); D06F 39/08 (2006.01)

CPC (source: EP)

A47L 15/421 (2013.01); A47L 15/4217 (2013.01)

Citation (search report)

Designated contracting state (EPC)

AT DE FR GB IT NL SE

DOCDB simple family (publication)

EP 0022911 A1 19810128; EP 0022911 B1 19830810; AR 222707 A1 19810615; AT E4409 T1 19830815; AU 530282 B2 19830707; AU 5856280 A 19801127; DE 3064524 D1 19830915; ES 249755 U 19800616; ES 249755 Y 19810101

DOCDB simple family (application)

EP 80102829 A 19800521; AR 28115380 A 19800521; AT 80102829 T 19800521; AU 5856280 A 19800520; DE 3064524 T 19800521; ES 249755 U 19800331