A - Human Necessities – 47 – K
Patent
A - Human Necessities
47
K
A47K 5/12 (2006.01) B67D 7/60 (2010.01) B01F 3/04 (2006.01) B01F 5/12 (2006.01) F04B 9/14 (2006.01)
Patent
CA 2613785
The present invention provides a piston pump for liquid in which a sump is defined in a chamber into which sump liquid in the chamber flows due to gravity. A passageway leads from an outlet of the sump out of the chamber to a dispensing outlet. The dispensing outlet is at a height below the height of the sump outlet and fluid to exit the sump flows from the sump outlet upwardly in a first portion of the passageway to a height above the sump outlet then downwardly to the dispensing outlet. The chamber and its sump is defined between a piston chamber-forming member defining the chamber to be downwardly opening and a piston forming element axially slidable in the chamber.
Jones Andrew
Mcdonough Padraig
Ophardt Heiner
Shi Zhenchun (tony)
Gotohti.com Inc.
Riches Mckenzie & Herbert Llp
LandOfFree
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