Dispense tip with vented outlets

Details Dispense tip with vented outlets Dispense tip with vented outlets

2007-02-20

2007-02-20

Hwu, Davis (Department: 3752)

Fluid sprinkling, spraying, and diffusing

Selectively usable or variable diverse terminal outlets

C239S461000, C239S468000, C239S480000, C239S481000, C239S302000, C239S324000, C239S333000, C239S349000

Reexamination Certificate

active

11082539

ABSTRACT:
In a fluid pump and cartridge assembly, a cartridge includes a material inlet port, a material outlet port, and a feed screw. The feed screw delivers fluid to be dispensed from the fluid inlet to the outlet port. The fluid inlet is preferably elongated in a direction along a longitudinal axis of the feed screw to enhance consistency in material flow through the cartridge. The feed screw is preferably driven by a closed-loop servo motor to achieve high-performance dispensing resolution. The assembly is preferably compatible with fixed-z and floating-z cartridges. A optional vented dispense tip, in combination with the fluid pump, allows for repeatable deposit of fillet patterns while maintaining optimal consistency.

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