PUMP ASSEMBLY WITH SHIELD

Disclosed is a pump assembly having slidingly engaged upper and lower sleeves, and a pump having an inlet and outlet ends and a pump chamber therebetween. Movement of the lower sleeve towards the upper sleeve causes the pump chamber to reduce in volume. The outlet end of the pump has a shoulder betw...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser:	Hodossy, Sofia, Nilsson, Hugo
Format:	Patent
Sprache:	eng
Schlagworte:	APPLYING LIQUIDS OR OTHER FLUENT MATERIALS TO SURFACES, IN GENERAL ATOMISING APPARATUS NOZZLES PERFORMING OPERATIONS SPRAYING APPARATUS SPRAYING OR ATOMISING IN GENERAL TRANSPORTING
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Beschreibung
Zusammenfassung:	Disclosed is a pump assembly having slidingly engaged upper and lower sleeves, and a pump having an inlet and outlet ends and a pump chamber therebetween. Movement of the lower sleeve towards the upper sleeve causes the pump chamber to reduce in volume. The outlet end of the pump has a shoulder between a first diameter portion and an outlet nozzle extending downwardly from the shoulder and having a second diameter smaller than the first diameter portion. The lower end of the lower sleeve includes a shield extending from a lowermost rim upwards and inwards to terminate at an orifice that is larger than the second diameter but smaller than the first diameter portion. The shoulder supporting against a lip of the orifice and the outlet nozzle extending through the orifice to terminate at a dispersion location within the shield at a distance L from the orifice.