US 12,313,045 B2
Multi-shear thickening fluid enabled object movement control mechanism
Gary W. Grube, Barrington Hills, IL (US); Jaden Terence Lydon, Westmont, IL (US); Charles Avery Herbst, Clarendon Hills, IL (US); Liam C. Davis, Naperville, IL (US); Brenden Ivie, Naperville, IL (US); and Avery Corrine Schuda, Wheaton, IL (US)
Assigned to Moshun, LLC, Oak Brook, IL (US)
Filed by Moshun, LLC, Oak Brook, IL (US)
Filed on Jul. 11, 2023, as Appl. No. 18/220,400.
Application 18/220,400 is a continuation in part of application No. 17/539,084, filed on Nov. 30, 2021, granted, now 11,859,642.
Claims priority of provisional application 63/250,700, filed on Sep. 30, 2021.
Prior Publication US 2023/0349368 A1, Nov. 2, 2023
Int. Cl. F03G 7/06 (2006.01)
CPC F03G 7/0616 (2021.08) 19 Claims
OG exemplary drawing
 
1. A head unit device for controlling motion of an object, comprising:
shear thickening fluid (STF), wherein the STF is configured to have a decreasing viscosity in response to a first range of shear rates and an increasing viscosity in response to a second range of shear rates, wherein the second range of shear rates are greater than the first range of shear rates;
an alternative shear thickening fluid (ASTF), wherein the ASTF is configured to have a decreasing viscosity in response to a third range of shear rates and an increasing viscosity in response to a fourth range of shear rates, wherein the fourth range of shear rates are greater than the third range of shear rates;
a chamber, the chamber configured to contain a portion of the STF and a portion of the ASTF, wherein the chamber includes a piston compartment and an alternative reservoir, wherein the alternative reservoir is further configured to contain the portion of the ASTF during a dormant timeframe;
an evacuator configured within the chamber, wherein the evacuator couples the piston compartment and the alternative reservoir controlling flow of at least some of the STF from the piston compartment to the alternative reservoir during an activation timeframe, wherein the activation timeframe is subsequent to the dormant timeframe;
a piston housed at least partially radially within the piston compartment of the chamber, the piston configured to exert pressure against one or more of the STF and the ASTF in response to movement of the piston from a force applied to the piston from the object, wherein the movement of the piston includes one of traveling through the piston compartment of the chamber in an inward direction or traveling through the piston compartment of the chamber in an outward direction, wherein the piston is further configured to affect evacuation of the at least some of the STF from the piston compartment through the evacuator to the alternative reservoir in response to the piston traveling through the piston compartment of the chamber in the inward direction during the activation timeframe; and
a reservoir injector configured within the chamber, wherein the reservoir injector further couples the alternative reservoir and the piston compartment controlling flow of at least some of the ASTF from the alternative reservoir to the piston compartment to mix with the STF during the activation timeframe to produce a mixture of the STF and the ASTF such that one of the first range of shear rates, the second range of shear rates, a modified first range of shear rates, or a modified second range of shear rates is selected for the mixture of the STF and the ASTF within the piston compartment, wherein the mixture of the STF and the ASTF is configured to have a decreasing viscosity in response to the modified first range of shear rates and an increasing viscosity in response to the modified second range of shear rates, wherein the modified second range of shear rates are greater than the modified first range of shear rates.