US 12,135,113 B1
Hydrogen fueling safety indicator
William S. Lerner, Litchfield, CT (US)
Filed by William S. Lerner, Litchfield, CT (US)
Filed on Jan. 9, 2023, as Appl. No. 18/094,863.
Application 18/094,863 is a continuation in part of application No. 17/347,427, filed on Jun. 14, 2021, granted, now 11,572,982.
Claims priority of provisional application 63/039,118, filed on Jun. 15, 2020.
Int. Cl. F17C 5/00 (2006.01); B60L 53/16 (2019.01); B60S 5/02 (2006.01)
CPC F17C 5/007 (2013.01) [B60L 53/16 (2019.02); B60S 5/02 (2013.01); F17C 2221/012 (2013.01); F17C 2250/043 (2013.01); F17C 2250/0439 (2013.01); F17C 2250/0443 (2013.01); F17C 2265/065 (2013.01); F17C 2270/0178 (2013.01)] 28 Claims
OG exemplary drawing
 
1. Apparatus for providing hydrogen to a vehicle, comprising:
a hose that carries hydrogen from a pump to the vehicle;
a nozzle attached to an end of the hose and adapted to removably attach to a filling receptacle on the vehicle;
a handle, attached to the nozzle and adapted to permit movement by a user of the nozzle to permit removable attachment of the nozzle to the filling receptacle on the vehicle;
one or more temperature sensors disposed on one or more of the hose, handle, and the nozzle; and
wherein the hose has disposed thereon a visual indicator, responsive to the one or more temperature sensors, that provides a first indication of flow of hydrogen through the hose to the filling receptacle on the vehicle, and that provides a second indication to the user when temperature of a surface of the handle is in a range to cause thermal injury to the user, the visual indicator comprising a sheath that encloses one or more portions of the hose and that includes one or more light emitting diodes.