US 11,913,902 B2
Portable sensor validation system
James M. Brennan, Pleasanton, CA (US); Eric Child Wilhelmsen, Milpitas, CA (US); Danny Elmer Lindstrom, Rio Vista, CA (US); and Christopher Michael McGinnis, Salinas, CA (US)
Assigned to SMARTWASH SOLUTIONS, LLC, Salinas, CA (US)
Filed by SMARTWASH SOLUTIONS, LLC, Salinas, CA (US)
Filed on Nov. 9, 2020, as Appl. No. 17/093,324.
Application 17/093,324 is a continuation of application No. 15/951,572, filed on Apr. 12, 2018, granted, now 10,890,558.
Application 15/951,572 is a continuation in part of application No. 14/875,144, filed on Oct. 5, 2015, granted, now 10,499,679, issued on Dec. 10, 2019.
Claims priority of provisional application 62/060,325, filed on Oct. 6, 2014.
Prior Publication US 2021/0055257 A1, Feb. 25, 2021
This patent is subject to a terminal disclaimer.
Int. Cl. A23N 12/02 (2006.01); G01N 27/416 (2006.01)
CPC G01N 27/4165 (2013.01) [A23N 12/02 (2013.01); G01N 27/4163 (2013.01); G01N 27/4166 (2013.01); G01N 27/4167 (2013.01)] 23 Claims
OG exemplary drawing
 
1. A portable food wash reference fluid delivery apparatus comprising:
a portable reference fluid reservoir comprising an inlet and an outlet and configured to store a reference fluid that includes a predetermined concentration of an analyte;
a pump fluidly coupled to the outlet of the portable reference fluid reservoir and configured to pump the reference fluid from the outlet of the portable reference fluid reservoir;
a portable power source coupled to the pump and configured to provide power to operate the pump;
a sensor connector configured to fluidly couple with a sensor positioned along a fluid flow path of a food wash system;
at least one valve configured to adjustably control a fluid flow rate of the reference fluid;
a first fluid line fluidly coupled between the pump and the valve; and
a second fluid line fluidly coupled between the valve and the sensor connector.