Dispensing – Automatic control – Material level control
Reexamination Certificate
2006-11-07
2006-11-07
Derakshani, Philippe (Department: 3754)
Dispensing
Automatic control
Material level control
C222S333000, C222S400800
Reexamination Certificate
active
07131556
ABSTRACT:
A pressured drinking water dispenser includes a control device and an air and water connector inserted in the cap of a tank. The control device and the water connector are mutually connected with an air tube and a water tube between. The control device has a circuit board, an air pump and an electromagnetic valve. The air pump and the electromagnetic valve are mutually connected with an air joint and an air tube. The air and water connector is inserted in the cap of a tank, having an air joint and a water joint respectively connected with the air tube and the water tube. When the air pump is electrified to pump air, with the electromagnetic valve electrified to be closed, the air may flow orderly through the air route into the tank to become highly compressed air to force the drinking water therein to flow through the water route into the water container in the dispenser body.
REFERENCES:
patent: 4030634 (1977-06-01), Osborn
patent: 5495725 (1996-03-01), Middlemiss
patent: 6868986 (2005-03-01), Arnold
Bacon & Thomas PLLC
Derakshani Philippe
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