Patent ID: 11931807
Assignee: XEROX CORPORATION
Field: Materials, metallurgy (Chemistry)
Classification: CPC B | IPC B

Claim 0:
1. An ejector for a printing system, comprising:
an ejector body comprising:
an internal cavity; and
a nozzle in communication with the internal cavity;
one or more segmented solenoid coils wrapped at least partially around the ejector body;
a power source configured to supply one or more pulses of power to the one or more segmented solenoid coils, which cause one or more drops of the liquid to be jetted out of the nozzle; a heating element configured to heat a solid in the ejector, thereby causing the solid to change to a liquid within the ejector; wherein the one or more segmented solenoid coils comprise two or more segments capable of being energized or de-energized independently to cause bi-directional travel of the piston within the ejector; and
a piston comprising a ferromagnetic portion and a non-ferromagnetic portion disposed within the internal cavity of the ejector body; and
wherein the ferromagnetic portion comprises an alloy comprising cobalt and iron.