Filter device

Details Filter device Filter device

2008-03-25

2008-03-25

Barr, Michael (Department: 1792)

Cleaning and liquid contact with solids

Apparatus

With treating fluid purifying or separating means

C134S05600D, C134S05600D, C134S0570DL, C134S109000

Reexamination Certificate

active

07347212

ABSTRACT:
There is provided a filter device that enables less frequent manual or self cleaning of the filter surface. The filter is particularly suitable for an aquiferous domestic appliance, such as a dishwashing machine, in which the cleaning effect occurring with alternating pumping is further increased, such that manual cleaning of the filter surface need take place less often, or, respectively, self-cleaning of the filter surface occurs.

REFERENCES:
patent: 2854141 (1958-09-01), Barnstead
patent: 3772902 (1973-11-01), Noguchi
patent: 3989054 (1976-11-01), Mercer
patent: 4986914 (1991-01-01), Franks
patent: 5069755 (1991-12-01), Durr
patent: 5779812 (1998-07-01), Thies
patent: 2004/0007253 (2004-01-01), Jung et al.
patent: 296 07 001 (1996-07-01), None
patent: 2 096 456 (1982-10-01), None
patent: WO9711632 (1996-08-01), None
International Search Report for PCT/EP03/09242.

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