Patent ID: 8627663

Claim:
A method of recovering energy from a source of waste heat using an organic fluid, comprising: providing a waste heat source; providing a heat exchanger; passing a heat conveying medium from said waste heat source through said heat exchanger; providing a fluid pump to pressurize the organic fluid; passing said pressurized organic fluid through said heat exchanger; directing said organic fluid from said heat exchanger through an energy conversion device; passing the organic fluid from said energy conversion device through a cooling condenser; directing said organic fluid from said condenser into and through a receiver; returning said organic fluid from said receiver to said pump; providing a condenser coolant fluid flow through said condenser to cool the organic fluid flowing through said condenser; and selectively bypassing coolant flow around said condenser, wherein said bypassing of coolant flow is selectively varied based on at least one of a temperature and a pressure of the organic fluid upstream of said fluid pump, wherein said pressure of the organic fluid upstream of said fluid pump is a saturation pressure of the organic fluid near an inlet of said fluid pump.