06-06-2013 дата публикации
Номер: US20130140331A1
A liquid dispenser having an outlet for dispensing liquid, mixing means for mixing liquid and gas, liquid supply means, and gas supply means, the outlet, mixing means, liquid supply means and/or gas supply means are so arranged that in a first condition liquid and gas may be supplied by the liquid supply means and gas supply means respectively through the mixing means to the outlet thereby dispensing foamed liquid from the outlet, or in a second condition liquid may be supplied to the outlet, thereby dispensing unfoamed liquid from the outlet. 1. A liquid dispenser comprising ,an outlet for dispensing liquid,mixing means for mixing liquid and gas,liquid supply means, andgas supply means,wherein the outlet, mixing means, liquid supply means and/or gas supply means are so arranged that in a first condition liquid and gas may be supplied by the liquid supply means and gas supply means respectively through the mixing means to the outlet thereby dispensing foamed liquid from the outlet, or in a second condition liquid may be supplied to the outlet, thereby dispensing unfoamed liquid from the outlet.2. A dispenser as claimed in claim 1 , wherein in the second condition liquid is supplied through the mixing means to the outlet.3. A dispenser as claimed in claim 1 , wherein the liquid is soap.4. A dispenser as claimed in claim 1 , wherein the gas is air.5. A dispenser as claimed in claim 1 , wherein the gas supply means is so arranged that it may be put in a first condition for supplying gas to the mixing means thereby providing foamed liquid claim 1 , or in a second condition where gas is not supplied to the mixing means thereby providing unfoamed liquid.6. A dispenser as claimed in claim 1 , wherein the mixing means comprises one or more shear regions.7. A dispenser as claimed in claim 6 , wherein the mixing means comprises one or more of the following components: mesh claim 6 , gauze claim 6 , baffle claim 6 , orifice claim 6 , mixing manifold claim 6 , and passageway.8. ...
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