US 11,909,078 B2
Systems and methods to utilize water output of fuel cell systems for evaporative cooling of radiators
Archit Koti, Sunnyvale, CA (US); Rohit Saha, Columbus, IN (US); Sumit Tripathi, Columbus, IN (US); Christopher Nelson, Columbus, IN (US); Agneya Turlapati, Columbus, IN (US); Jairo A. Martinez Garcia, Albany, CA (US); Sachin Vinayak Damle, Maharashtra (IN); Suhas Deutkar, Maharashtra (IN); Pradheepram Ottikkutti, Pune (IN); Sunil Suryakant Bahulikar, Pune (IN); and Sandesh Sadawarte, Maharashtra (IN)
Assigned to CUMMINS INC., Columbus, IN (US)
Filed by CUMMINS INC., Columbus, IN (US)
Filed on Feb. 2, 2022, as Appl. No. 17/591,532.
Claims priority of provisional application 63/161,223, filed on Mar. 15, 2021.
Claims priority of application No. 202244001790 (IN), filed on Jan. 12, 2022.
Prior Publication US 2022/0293972 A1, Sep. 15, 2022
Int. Cl. H01M 8/04 (2016.01); H01M 8/04029 (2016.01); H01M 8/04007 (2016.01)
CPC H01M 8/04029 (2013.01) [H01M 8/04059 (2013.01); H01M 8/04067 (2013.01); H01M 2250/20 (2013.01)] 19 Claims
OG exemplary drawing
 
1. A method of dissipating heat in a system comprising:
passing a coolant used in a fuel cell system through a radiator,
dissipating heat produced by the fuel cell system by using water output from the fuel cell system,
evaporating the water output from the fuel cell system,
operating at least one fan arranged adjacent the radiator to direct air flow toward the radiator,
cooling the radiator by the evaporated water output from the fuel cell system to produce an evaporative cooling effect, and
using a controller that comprises a look ahead power estimator, a fuel cell liquid water estimator, and an evaporative cooling benefit to determine when to create the evaporative cooling effect.