US 12,012,009 B2
Autonomous charging systems for battery powered transport refrigeration units
Ronald Koelsch, Roscommon, MI (US); Raymond Shea, Jr., St. Charles, MO (US); and Frank Bongiorno, III, Mesa, AZ (US)
Filed by Ronald Koelsch, Roscommon, MI (US); Raymond Shea, Jr., St. Charles, MO (US); and Frank Bongiorno, III, Mesa, AZ (US)
Filed on Jul. 26, 2021, as Appl. No. 17/385,322.
Claims priority of provisional application 63/057,963, filed on Jul. 29, 2020.
Prior Publication US 2022/0032795 A1, Feb. 3, 2022
Int. Cl. B60L 53/16 (2019.01); B60L 53/35 (2019.01); B60S 9/08 (2006.01); B62D 53/08 (2006.01)
CPC B60L 53/16 (2019.02) [B60L 53/35 (2019.02); B60S 9/08 (2013.01); B62D 53/0857 (2013.01)] 7 Claims
OG exemplary drawing
 
1. A method for automatically, directly providing electrical power to a battery powered electric semi-trailer reefer, said method comprising:
a) providing an auxiliary power source;
b) electrically connecting said auxiliary power source to a parking surface charging pad for each leg of a landing gear for a reefer, said parking surface charging pad containing an electrode plate therein;
c) providing a landing gear electrical contact pad containing an electrode on a lower end of each said leg of said landing gear;
d) electrically connecting said landing gear electrical contact pad to a battery located in said reefer;
e) moving said reefer, with landing gear extended, such that each said lower leg and contact pad align and meet with said parking surface pad.