A chemical dosing system

The invention provides a chemical dosing system 1 for an appliance 2, such as a laundry washing machine or a dishwashing machine, having a water inlet 16, the system comprising a meter 7 for determining the volume of water supplied to the appliance 2, a pump 20 for dispensing a quantity of a chemica...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser:	Peter Woodhead, Ian Morris, Terry Holland
Format:	Patent
Sprache:	eng
Schlagworte:	COFFEE MILLS DOMESTIC ARTICLES OR APPLIANCES DOMESTIC WASHING OR CLEANING FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR FURNITURE HUMAN NECESSITIES LAUNDERING LAUNDERING, DRYING, IRONING, PRESSING OR FOLDING TEXTILEARTICLES SPICE MILLS SUCTION CLEANERS IN GENERAL TEXTILES TREATMENT OF TEXTILES OR THE LIKE
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Beschreibung
Zusammenfassung:	The invention provides a chemical dosing system 1 for an appliance 2, such as a laundry washing machine or a dishwashing machine, having a water inlet 16, the system comprising a meter 7 for determining the volume of water supplied to the appliance 2, a pump 20 for dispensing a quantity of a chemical to the appliance 2 and a control unit 19 arranged to receive a signal 26 from the meter 7 and to cause to be dispensed to the appliance 2 a volume of chemical that is proportional to the quantity of water supplied to the appliance. The invention may enable a correct quantity of chemical to be automatically dispensed to many types of appliance, without the need to know anything about the appliance, or to derive electrical signal from the appliance.