Volumetric is fluid dispensing devices, systems, and methods

Details Volumetric is fluid dispensing devices, systems, and methods Volumetric is fluid dispensing devices, systems, and methods

2006-03-20

2011-11-01

Jacyna, J (Department: 3754)

Dispensing

Nongravity feed to trap of vacuum, gravity, or manual...

C222S189090, C222S207000, C222S211000, C222S214000, C222S442000

Reexamination Certificate

active

08047405

ABSTRACT:
A volumetric fluid dispensing device can include a fluid reservoir having at least one flexible wall and a dispensing reservoir oriented above the fluid reservoir. The dispensing reservoir can have an overflow return fluidly connected to the fluid reservoir such that the dispensing reservoir holds a measured volume of fluid. A reservoir conduit can be fluidly connected to the fluid reservoir and the dispensing reservoir to allow excess fluid to return from the overflow to the fluid reservoir. A dispensing conduit can also be fluidly connected to the dispensing reservoir to allow fluid to exit the dispensing reservoir. A mechanical wall actuator can be operatively associated with the walls for controllably flexing at least a portion of the walls sufficient to force fluid from the fluid reservoir to the dispensing reservoir via the reservoir conduit.

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