System for recovering waste heat
AssigneeGeneral Electric Company
InventorsGabor Ast, Michael Adam Bartlett, Thomas Johannes Frey
Life of this patent
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Abstract
A waste heat recovery system includes a heat generation system including at least two separate heat sources having different temperatures. A rankine cycle system is coupled to the at least two separate heat sources and configured to circulate a working fluid. The rankine cycle system is coupled to at least one heat source and another heat source among the at least two separate heat sources. The rankine cycle system is configured to remove heat from the at least one heat source to partially vaporize or preheat the working fluid; and remove heat from the other heat source to vaporize or superheat the working fluid.
Claims25
A waste heat recovery system comprising:
- a heat generation system comprising at least two separate heat sources having different temperatures;
- and
- a rankine cycle system coupled to the at least two separate heat sources and configured to circulate a working fluid;
- wherein the rankine cycle system is coupled to at least one heat source and another heat source among the at least two separate heat sources;
- wherein the rankine cycle system is configured to remove heat from the at least one heat source to partially vaporize or preheat the working fluid;
- and remove heat from the other heat source to vaporize or superheat the working fluid.
A waste heat recovery system comprising:
- a heat generation system comprising at least two separate heat sources having different temperatures;
- and
- a rankine cycle system coupled to the at least two separate heat sources and configured to circulate a working fluid;
- wherein the rankine cycle system comprises:
- a condenser coupled to at least one heat source among the at least two separate heat sources;
- wherein heat from the at least one heat source is used to partially vaporize or preheat the working fluid;
- an evaporator coupled to another heat source among the at least two separate heat sources and configured to and remove heat from the other heat source to vaporize or superheat the working fluid.
12 The recovery system of claim 11, wherein the other heat source comprises an engine exhaust unit;
- wherein an exhaust gas from the engine exhaust unit is circulated in heat exchange relationship with the working fluid via the evaporator to vaporize or superheat the working fluid.
The recovery system of claim 12, wherein the evaporator is coupled to the engine exhaust unit via a separate exhaust gas heat exchanger.
The recovery system of claim 12, wherein the at least one heat source selected from a group comprising an oil heat exchanger, an engine jacket, a water jacket heat exchanger, a lower temperature intercooler, a higher temperature intercooler, or combinations thereof.
A waste heat recovery system comprising:
- a heat generation system comprising at least two separate heat sources having different temperatures;
- and
- a rankine cycle system coupled to the at least two separate heat sources and configured to circulate a working fluid;
- wherein the rankine cycle system comprises:
- an evaporator coupled to at least one heat source and another heat source among the at least two separate heat sources;
- wherein heat from the at least one heat source and the other heat source is used to heat water;
- wherein the heated water is circulated in heat exchange relationship with the working fluid via the evaporator to vaporize the working fluid.
A waste heat recovery system comprising:
- a heat generation system comprising at least two separate heat sources having different temperatures;
- and
- a rankine cycle system coupled to the at least two separate heat sources and configured to circulate a working fluid;
- wherein the rankine cycle system comprises:
- a condenser coupled to at least one heat source among the at least two separate heat sources;
- wherein working fluid is circulated through the at least one heat source to remove heat from the at least one heat source to partially vaporize or preheat the working fluid from the condenser;
- and
- an evaporator coupled to another heat source among the at least two separate heat sources;
- wherein the working fluid is circulated through the evaporator to remove heat from the other heat source to completely vaporize or superheat the working fluid.
Dependencies are inferred from the claim text.