The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.

The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.

Date of Patent:
Sep. 30, 2025

Filed:

Mar. 31, 2021
Applicant:

California Institute of Technology, Pasadena, CA (US);

Inventors:

Michael R. Johnson, Pasadena, CA (US);

Weibo Chen, Pasadena, CA (US);

Andrew B. Berg, Pasadena, CA (US);

Patrick Degrosse, Jr., Pasadena, CA (US);

John Luke Wolff, Pasadena, CA (US);

Evan W. Hilgemann, Pasadena, CA (US);

Noah T. Fox, Pasadena, CA (US);

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
A61M 16/20 (2006.01); A61M 16/08 (2006.01); A61M 16/10 (2006.01); A61M 16/12 (2006.01);
U.S. Cl.
CPC ...
A61M 16/127 (2014.02); A61M 16/0833 (2014.02); A61M 16/105 (2013.01); A61M 16/201 (2014.02); A61M 16/209 (2014.02); A61M 2202/0007 (2013.01); A61M 2202/0208 (2013.01); A61M 2205/42 (2013.01);
Abstract

Methods and devices for blending of fluids are disclosed. A fluid blender has a fluid inlet to receive a fluid, a nozzle with a convergent shape tapering down towards a nozzle end, a mixing chamber with holes arranged on a wall, and a mixture outlet having a divergent shape. In some aspects, a rotary sleeve is externally placed around the wall. The rotary sleeve has slits with a variable shape along its lateral extension. In other aspects the fluid blender has inlet tubes with check valves and a blending tube. An inlet tube has an adjustable orifice to adjust flow inside the blender.


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