Device for the metered delivery of a liquid washing or...

Details Device for the metered delivery of a liquid washing or... Device for the metered delivery of a liquid washing or...

2004-12-08

2009-11-03

Barr, Michael (Department: 1792)

Cleaning and liquid contact with solids

Apparatus

With plural means for supplying or applying different fluids...

C134S094100, C134S0580DL, C134S0570DL

Reexamination Certificate

active

07610922

ABSTRACT:
A device for the metered delivery of a liquid washing or ringing agent for a washing machine and the like. The device includes a casing which is to be secured to the machine and which is provided with a refillable reservoir for the liquid agent in which is defined a delivery receptacle capable of holding an amount of liquid agent corresponding to a plurality of metered amounts, and an electrically controlled delivery valve device associated with the receptacle and capable of permitting a flow of liquid agent from the delivery receptacle towards the washing chamber of the machine, a level-indicator device associated with the delivery receptacle and capable of signalling the instantaneous level reached by the rinsing agent in the receptacle, and a control unit connected to the indicator and arranged to control the delivery valve device in accordance with predetermined modalities as a function of the signal provided by the level-indicator device.

REFERENCES:
patent: 4190181 (1980-02-01), Arnaud
patent: 5335622 (1994-08-01), Say
patent: 5839454 (1998-11-01), Matz
patent: 6138693 (2000-10-01), Matz
patent: 6694990 (2004-02-01), Spanyer et al.
patent: 10028630 (2000-12-01), None

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