EP 0441756 A1 19910814 - A self-cleaning filter for washing machines.
Title (en)
A self-cleaning filter for washing machines.
Title (de)
Selbstreinigender Filter für Waschmaschinen.
Title (fr)
Filtre auto-nettoyant pour machines à laver.
Publication
Application
Priority
IT 4759190 A 19900202
Abstract (en)
The device comprises a self-cleaning filtering element (3) that can be partially rotated so as to open a discharge opening (7) and to close the recirculating opening (4), while performing at the same time the counter-stream washing (with already filtered water) on one side of the filtering element (3).
IPC 1-7
IPC 8 full level
A47L 15/42 (2006.01); D06F 39/10 (2006.01)
CPC (source: EP US)
A47L 15/4208 (2013.01 - EP US); D06F 39/10 (2013.01 - EP US)
Citation (search report)
- [X] US 2512394 A 19500620 - SULLIVAN WILLIAM G
- [A] US 3429444 A 19690225 - SPIEGEL RAYMOND W, et al
- [A] US 3774418 A 19731127 - OHMANN W
- [A] US 2629390 A 19530224 - WALKER FRANK G
- [A] US 2649765 A 19530825 - ANDERSON OSCAR M
Designated contracting state (EPC)
DE ES FR GB SE
DOCDB simple family (publication)
EP 0441756 A1 19910814; IT 1239791 B 19931115; IT 9047591 A0 19900202; IT 9047591 A1 19910802
DOCDB simple family (application)
EP 91830026 A 19910130; IT 4759190 A 19900202