Some embodiments of a generator system can be used with the working fluid in a Rankine cycle. For example, the generator system can be used in a Rankine cycle to recover heat from one of a number of commercial applications and to convert that heat energy into electrical energy. In particular embodim
Some embodiments of a generator system can be used with the working fluid in a Rankine cycle. For example, the generator system can be used in a Rankine cycle to recover heat from one of a number of commercial applications and to convert that heat energy into electrical energy. In particular embodiments, the generator system may include a turbine generator apparatus to generate electrical energy and a liquid separator arranged upstream of the turbine generator apparatus.
대표청구항▼
What is claimed is: 1. A method of using a turbine generator system, comprising: pumping a working fluid in a Rankine cycle from a low pressure reservoir toward at least one compressor interstage cooler; heating the working fluid from heat energy recovered from one or more compression stages of the
What is claimed is: 1. A method of using a turbine generator system, comprising: pumping a working fluid in a Rankine cycle from a low pressure reservoir toward at least one compressor interstage cooler; heating the working fluid from heat energy recovered from one or more compression stages of the compressor interstage cooler, at least a portion of the working fluid being pressurized and heated to a gaseous state; directing the heated and pressurized working fluid toward a turbine generator apparatus, the turbine generator apparatus including an inlet conduit to direct the working fluid toward a turbine wheel that is rotatable in response to expansion of the working fluid; and generating electrical energy from the rotation of the turbine wheel, the turbine wheel being coupled to a rotor of an electrical energy generator that rotates within a stator of the electrical energy generator. 2. The method of claim 1, further comprising directing the working fluid toward one or more heat exchangers to heat the working fluid from the heat energy recovered from at least two compression stages of the compressor interstage cooler. 3. The method of claim 1, further comprising separating a liquid state portion of the heated and pressurized working fluid from a gaseous state portion of the heated and pressurized working fluid before the working fluid is delivered to the turbine generator apparatus. 4. The method of claim 3, wherein the liquid state portion is separated using a cyclone separator device, the cyclone separator device being arranged in the Rankine cycle upstream of the turbine generator apparatus. 5. The method of claim 1, wherein the rotor of the electrical energy generator is arranged on an outlet side of the turbine wheel. 6. The method of claim 5, further comprising cooling at least a portion of the electrical energy generator with the working fluid exiting to the outlet side of the turbine wheel. 7. The method of claim 1, wherein the Rankine cycle is an organic Rankine cycle, and the working fluid comprises high molecular mass organic fluid. 8. The method of claim 7, further comprising cycling the working fluid through the organic Rankine cycle while inhibiting seepage of the working fluid to an environment external to the organic Rankine cycle. 9. The method of claim 1, further comprising transporting a system package that houses the turbine generator apparatus, a liquid separator, a fluid pump device, and the low pressure reservoir for the working fluid, the system package having a width of less than about 50 inches and a height of less than about 80 inches so as to fit through a double-door passage. 10. The method claim of claim 9, wherein the system package has a width of about 48 inches or less and a height of about 78 inches or less. 11. The method of claim 1 wherein the compressor interstage cooler is part of a commercial compressor. 12. A method of using a turbine generator system, comprising: pumping a working fluid in a Rankine cycle from a low pressure reservoir toward at least one compressor interstage cooler; directing the working fluid toward one or more heat exchangers to heat the working fluid from heat energy recovered from at least two compression stages of the compressor interstage cooler; heating the working fluid from the heat energy recovered from the at least two compression stages of the compressor interstage cooler, at least a portion of the working fluid being pressurized and heated to a gaseous state; directing the heated and pressurized working fluid toward a turbine generator apparatus, the turbine generator apparatus including an inlet conduit to direct the working fluid toward a turbine wheel that is rotatable in response to expansion of the working fluid; and generating electrical energy from the rotation of the turbine wheel, the turbine wheel being coupled to a rotor of an electrical energy generator that rotates within a stator of the electrical energy generator. 13. A method of using a turbine generator system, comprising: cycling a high molecular mass, organic working fluid in an organic Rankine cycle from a low pressure reservoir toward at least one compressor interstage cooler, the working fluid cycled through the organic Rankine cycle while inhibiting seepage of the working fluid to an environment external to the organic Rankine cycle; heating the working fluid from heat energy recovered from one or more compression stages of the compressor interstage cooler, at least a portion of the working fluid being pressurized and heated to a gaseous state; directing the heated and pressurized working fluid toward a turbine generator apparatus, the turbine generator apparatus including an inlet conduit to direct the working fluid toward a turbine wheel that is rotatable in response to expansion of the working fluid; and generating electrical energy from the rotation of the turbine wheel, the turbine wheel being coupled to a rotor of an electrical energy generator that rotates within a stator of the electrical energy generator. 14. A Rankine cycle system, comprising: a pump device coupled to a low pressure reservoir and one or more heat exchangers to receive a working fluid in the Rankine cycle from the low pressure reservoir and to pump the working fluid toward the one or more heat exchangers; the one or more heat exchangers coupled to at least one interstage cooler to heat the working fluid from heat energy recovered from one or more compression stages of the compressor interstage cooler, at least a portion of the working fluid being pressurized and heated to a gaseous state; and a turbine generator apparatus coupled to the one or more heat exchangers for receiving heated and pressurized working fluid, the turbine generator apparatus comprising: a turbine wheel configured to receive the heated and pressurized working fluid and rotate in response to expansion of the working fluid flowing from an inlet side to an outlet side of the turbine wheel, and an electric generator having a stator and a rotor, the rotor coupled to the turbine wheel to rotate within the stator in response to rotation of the turbine wheel to generate electrical energy. 15. The system of claim 14 wherein the one or more heat exchangers is coupled to the at least one interstage cooler to heat the working fluid from heat energy recovered from at least two compression stages of the compressor interstage cooler. 16. The system of claim 14 further comprising a liquid separator configured to separate a liquid state portion of the heated and pressurized working fluid from a gaseous state portion of the heated and pressurized working fluid, the liquid separator arranged in the Rankine cycle upstream of the turbine generator apparatus. 17. The system of claim 16, wherein the liquid separator is a cyclone separator device, the cyclone separator device being arranged in the Rankine cycle upstream of the turbine generator apparatus. 18. The system of claim 14, wherein the rotor of the electrical energy generator is arranged on an outlet side of the turbine wheel. 19. The system of claim 18, wherein the electric generator is configured to receive working fluid exiting the outlet side of the turbine wheel, the electric generator configured to direct the working fluid between the rotor and the stator. 20. The system of claim 14, wherein the Rankine cycle is an organic Rankine cycle, and the working fluid comprises high molecular mass organic fluid. 21. The system of claim 20 further configured to prevent seepage of the working fluid to an environment external to the organic Rankine cycle. 22. The system of claim 14, further comprising a system package that houses the turbine generator apparatus, a liquid separator, the pump device, and the low pressure reservoir for the working fluid, the system package having a width of less than about 50 inches and a height of less than about 80 inches so as to fit through a double-door passage. 23. The system claim of claim 22, wherein the system package has a width of about 48 inches or less and a height of about 78 inches or less.
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