Waste Heat Utilization Device for Internal Combustion Engine
First Claim
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1. A waste heat utilization device recovering waste heat produced by an internal combustion engine from a heat medium, comprising:
- a Rankine cycle circuit including an evaporator, an expander, a condenser and a pump serially arranged in a circulation line along which a combustible working fluid circulates, where the evaporator transfers heat from said heat medium to the working fluid, the expander expands the working fluid that has passed through the evaporator, thereby producing drive power, the condenser condenses the working fluid that has passed through the expander, and the pump forces the working fluid that has passed through the condenser toward the evaporator,a casing air-tightly enclosing the Rankine cycle circuit, andinactivation means for creating a chemically-inactive condition inside the casing.
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Abstract
A waste heat utilization device recovering waste heat produced by an internal combustion engine from a heat medium includes a Rankine cycle circuit including an evaporator, an expander, a condenser and a pump serially arranged in a circulation line along which a combustible working fluid circulates, a casing air-tightly enclosing the Rankine cycle circuit, and an inactivation device for creating a chemically-inactive condition inside the casing.
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Citations
11 Claims
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1. A waste heat utilization device recovering waste heat produced by an internal combustion engine from a heat medium, comprising:
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a Rankine cycle circuit including an evaporator, an expander, a condenser and a pump serially arranged in a circulation line along which a combustible working fluid circulates, where the evaporator transfers heat from said heat medium to the working fluid, the expander expands the working fluid that has passed through the evaporator, thereby producing drive power, the condenser condenses the working fluid that has passed through the expander, and the pump forces the working fluid that has passed through the condenser toward the evaporator, a casing air-tightly enclosing the Rankine cycle circuit, and inactivation means for creating a chemically-inactive condition inside the casing. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11)
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Specification