Fluid dispenser

Details Fluid dispenser Fluid dispenser

B - Operations, Transporting

67

D

B67D 1/08 (2006.01)

Patent

CA 2130647

ABSTRACT A dispensing system for dispensing measured amounts of different fluids alone or in combination. The system has a manifold, a dispensing head, and a plurality of fluid lines extending between the manifold and the head. A pump is connected to the manifold. A fluid supply is connected to each line between the manifold and the dispensing head. The fluid supplies are spaced from the manifold. A valve is provided in each line near the manifold for opening or closing the line. Operating means selectively open one or more of the valves and operate the pump to provide a below-atmospheric pressure in the manifold. As the pump is being operated fluid is drawn from the supply means into the selected lines toward the manifold. After the desired amount of fluid has been drawn into each line each selected valve is closed. The pump is then operated to provide an above atmospheric pressure in the manifold and the selected valves are again opened to move the fluid through the dispensing head. One way valves prevent the drawn out fluid from returning to the fluid supplies.

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