Microfluidic active mixing nozzle for three-dimensional printing of viscoelastic inks

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United States of America Patent

PATENT NO 10464031
APP PUB NO 20190105622A1
SERIAL NO

16126723

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Abstract

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A microfluidic printing nozzle for 3D printing may include a mixing chamber, a first inlet for connecting with a first ink source, the first inlet located at a first end of the mixing chamber, and a second inlet for connecting with a second ink source, the second inlet located at the first end of the mixing chamber. An outlet may be located at a second end of the mixing chamber, and a generally cylindrical impeller may be rotatably disposed in the mixing chamber between the first end and the second end. The cylindrical impeller may include an outer surface, and the outer surface of the impeller includes a groove, a protrusion, or both, to facilitate mixing of fluidic inks flowing from the first end to the second end of the mixing chamber.

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Patent Owner(s)

Patent OwnerAddress
PRESIDENT AND FELLOWS OF HARVARD COLLEGE17 QUINCY STREET CAMBRIDGE MA 02138

International Classification(s)

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Lewis, Jennifer A Cambridge, US 72 942
Ober, Thomas J Cambridge, US 4 132

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