Patent ID: 8826662

Claim:
A fluid management system for a Rankine cycle waste heat recovery system for an internal combustion engine, the fluid management system comprising: a fluid circuit; a condenser positioned along the fluid circuit; a sub-cooler fluidly connected to the condenser and containing a liquid working fluid; a receiver fluidly connected to the sub-cooler and containing the liquid working fluid, wherein a level of the liquid working fluid in the receiver is lower than a level of the liquid working fluid in the sub-cooler throughout all operating conditions; and a valve positioned along the fluid circuit upstream of the condenser and movable into a first position and a second position, wherein the valve second position fluidly connects a source of high-pressure vaporized working fluid to the receiver, and wherein the high-pressure vaporized working fluid causes the liquid working fluid in the receiver to flow from the receiver to the sub-cooler.