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A delivery system for chemical concentrates, each in a separate container, includes, for each concentrate, a quick-disconnect coupling for a hand-operated valve connected to a pressurized water supply line. The coupling is connected to an air gap inductor including a mixing chamber into which the co

A delivery system for chemical concentrates, each in a separate container, includes, for each concentrate, a quick-disconnect coupling for a hand-operated valve connected to a pressurized water supply line. The coupling is connected to an air gap inductor including a mixing chamber into which the concentrate is metered. The diluted concentrate is then supplied to a user vessel or directly to a machine reservoir.

대표청구항 ▼

[ I claim:] [1.] Apparatus for using a source of pressurized water having a user-actuatable valve and one mating member of a quick-disconnect coupling, to dilute a chemical concentrate from one of a plurality of source containers of chemical concentrate, said apparatus comprising, for each concentra

[ I claim:] [1.] Apparatus for using a source of pressurized water having a user-actuatable valve and one mating member of a quick-disconnect coupling, to dilute a chemical concentrate from one of a plurality of source containers of chemical concentrate, said apparatus comprising, for each concentrate:a source container for a concentrate;a second mating member of said quick-disconnect coupling for coupling with said one mating member of said quick disconnect coupling;an air gap inductor connected to said second mating member of said quick disconnect coupling, said inductor having a mixing chamber, an inlet into said mixing chamber for said concentrate, and an outlet;a delivery tube coupled to said outlet of said inductor for delivering mixed, diluted concentrate;a feed path from said source container to said mixing chamber of said inductor, said feed path including:feed conduit means having one end coupled to said inlet of said mixing chamber of said inductor and another end adapted to be immersed in said concentrate;means of defining a metering orifice for metering the amount of concentrate flowing through said feed conduit into said mixing chamber; anda check valve for permitting said concentrate to flow from said source container to said mixing chamber;whereby suction created in said mixing chamber of said inductor will draw the metered concentrate from said source container into said mixing chamber.