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US 10,117,548 B2Granted
Foam producing apparatus and method
AssigneeBobrick Washroom Equipment, Inc.
InventorsDikran Babikian, Branko Bem, Epitacio Davila
Life of this patent
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Abstract
A foam dispenser includes a dispensing outlet, a pre-mixing chamber receiving liquid from a liquid source and air from an air source, a mixing chamber downstream of the pre-mixing chamber and proximate the dispenser outlet, and a first conduit coupling the pre-mixing chamber to the mixing chamber.
Claims12
A hand soap foam dispenser comprising:
- a dispensing outlet for dispensing foam to a person's hand;
- a pre-mixing chamber for receiving liquid from a liquid source and air from an air source;
- at least one pump for simultaneously pumping liquid from the liquid source and air from the air source to the pre-mixing chamber;
- a mixing chamber downstream of the pre-mixing chamber;
- and
- a first conduit coupling the pre-mixing chamber to the mixing chamber, wherein foam leaving the mixing chamber travels a distance two inches or less to the dispensing outlet.
3 more elements
Dependencies are inferred from the claim text.