LIQUID EJECTOR HAVING INTERNAL PISTON AND METHODS THEREOF

An ejector for a printing system is disclosed. The ejector body may include an internal cavity, a nozzle in communication with the internal cavity, one or more segmented solenoid coils wrapped at least partially around the ejector body, and a piston disposed within the internal cavity of the ejector...

Ausführliche Beschreibung

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Bibliographische Detailangaben
1. Verfasser:	Solberg, Scott E
Format:	Patent
Sprache:	eng
Schlagworte:	ADDITIVE MANUFACTURING TECHNOLOGY ADDITIVE MANUFACTURING, i.e. MANUFACTURING OFTHREE-DIMENSIONAL [3-D] OBJECTS BY ADDITIVE DEPOSITION, ADDITIVEAGGLOMERATION OR ADDITIVE LAYERING, e.g. BY 3-D PRINTING,STEREOLITHOGRAPHY OR SELECTIVE LASER SINTERING CASTING MAKING METALLIC POWDER MANUFACTURE OF ARTICLES FROM METALLIC POWDER PERFORMING OPERATIONS POWDER METALLURGY TRANSPORTING WORKING METALLIC POWDER
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Beschreibung
Zusammenfassung:	An ejector for a printing system is disclosed. The ejector body may include an internal cavity, a nozzle in communication with the internal cavity, one or more segmented solenoid coils wrapped at least partially around the ejector body, and a piston disposed within the internal cavity of the ejector body. A method of ejecting liquid from an ejector is also disclosed, including introducing a material for ejection into an ejector cavity. The method of ejecting liquid from an ejector may include advancing a piston configured for translational motion within an ejector towards an ejector nozzle which may further include de-energizing a first segment of a segmented solenoid wrapped partially around the ejector, energizing a second solenoid segment of a segmented solenoid wrapped partially around the ejector. The method of ejecting liquid from an ejector may also include ejecting a drop of the material for ejection from the ejector nozzle.