Fluid pump and cartridge
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United States of America Patent
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-
Jan 5, 2016
Grant Date -
N/A
app pub date -
May 29, 2012
filing date -
Nov 8, 1999
priority date (Note) -
In Force
status (Latency Note)
Importance
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.
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