US 12,441,600 B2
Method and apparatus for limiting acidic corrosion and contamination in fuel delivery systems
Nicholas Schultz, Verona, WI (US); James Novak, Evansville, WI (US); Bill Nelson, Lake Mills, WI (US); Randall Boucher, Saco, ME (US); Martin Turnidge, Saco, ME (US); George Risch, South Portland, ME (US); and Todd Breuer, McFarland, WI (US)
Assigned to Franklin Fueling Systems, LLC, Madison, WI (US)
Filed by Franklin Fueling Systems, LLC, Madison, WI (US)
Filed on Dec. 13, 2023, as Appl. No. 18/539,123.
Application 18/539,123 is a division of application No. 17/750,796, filed on May 23, 2022, granted, now 11,858,803, issued on Jan. 2, 2024.
Application 17/750,796 is a continuation of application No. 16/557,363, filed on Aug. 30, 2019, granted, now 11,365,113, issued on Jun. 21, 2022.
Application 16/557,363 is a continuation in part of application No. 15/914,535, filed on Mar. 7, 2018, granted, now 11,352,248, issued on Jun. 7, 2022.
Claims priority of provisional application 62/814,428, filed on Mar. 6, 2019.
Claims priority of provisional application 62/563,596, filed on Sep. 26, 2017.
Claims priority of provisional application 62/520,891, filed on Jun. 16, 2017.
Claims priority of provisional application 62/509,506, filed on May 22, 2017.
Claims priority of provisional application 62/468,033, filed on Mar. 7, 2017.
Prior Publication US 2025/0202086 A1, Jun. 19, 2025
Int. Cl. H01M 50/673 (2021.01); B67D 7/76 (2010.01); F02M 57/00 (2006.01); F02M 57/02 (2006.01); H01M 50/145 (2021.01)
CPC H01M 50/673 (2021.01) [B67D 7/76 (2013.01); B67D 7/766 (2013.01); F02M 57/005 (2013.01); F02M 57/022 (2013.01); H01M 50/145 (2021.01)] 17 Claims
OG exemplary drawing
 
1. A method of filtering fluid from a fuel delivery system, the method comprising:
operating a fuel delivery pump to deliver fuel from a fuel storage tank to a fuel dispenser;
diverting a diverted flow of fuel generated by the fuel delivery pump;
using the diverted flow of fuel as a motive flow through an eductor, the motive flow cooperating with the eductor to create a vacuum at a vacuum port of the eductor; and
delivering a filtration flow of fluid from the fuel storage tank to a water filter using the vacuum created by the eductor.