Patent ID: 9433981
Filing Date: 2016-09-06
CPC Classification: B08B

Claim Text:
1. A method for cleaning a tank comprising the steps of: (a) providing an engine in communication with a coolant comprising ambient water or engine cooling fluid; (b) heating the coolant, wherein heated coolant is discharged from the engine through an engine exhaust; (c) providing a diverter valve operatively disposed between the engine and the engine exhaust, and causing the diverter valve to redirect the heated coolant from being discharged through the engine exhaust or into a keel cooler; (d) providing a reservoir fluidically connected to the diverter valve and redirecting the heated coolant from the engine to the reservoir; (e) providing a cleaning pump fluidically connected to the reservoir and transferring the heated coolant from the reservoir to the tank; (f) providing one or more nozzles fluidically connected to the cleaning pump; (g) cleaning the tank by spraying the heated coolant from one or more of said nozzles onto interior surfaces of the tank; and (h) providing a scavenging pump fluidically connected to the tank, and transferring the sprayed coolant to a waste tank fluidically connected to the scavenging pump.