ANTI-CLOG PUMP NOZZLES, PUMP AND REFILL UNITS
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United States of America Patent
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Issued Date -
Feb 26, 2015
app pub date -
Aug 21, 2014
filing date -
Aug 21, 2013
priority date (Note) -
Abandoned
status (Latency Note)
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Abstract
Exemplary pumps, nozzles and refill units are disclosed herein. An exemplary refill unit includes a container, a pump and an outlet nozzle. The outlet nozzle has a lower conical shaped portion that reduces in cross-sectional area in the direction of fluid flow. The conical shaped portion has a helical groove about its inner surface and the helical groove has an end proximate an outlet. Another exemplary refill unit includes a container, a pump and an outlet nozzle. The outlet nozzle has a lower portion that has a passage. At least a portion of the walls of the passage contain a plurality of partial conical shapes that intersect and the passage has a cross-sectional area that reduces along the fluid flow path. The outlet has a multi-lobed cross-section.
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