IPC분류정보
국가/구분 |
United States(US) Patent
등록
|
국제특허분류(IPC7판) |
|
출원번호 |
US-0806480
(2004-03-23)
|
등록번호 |
US-7430865
(2008-10-07)
|
발명자
/ 주소 |
|
출원인 / 주소 |
|
인용정보 |
피인용 횟수 :
9 인용 특허 :
17 |
초록
▼
A closed loop vapor cycle generated by a special device formed by heat transfer and a vapor expander it is utilized to convert waste heat from conventional power systems into additional thermodynamic work, thereby improving the overall power system efficiency. Superheated vapor (i.e. steam) is insta
A closed loop vapor cycle generated by a special device formed by heat transfer and a vapor expander it is utilized to convert waste heat from conventional power systems into additional thermodynamic work, thereby improving the overall power system efficiency. Superheated vapor (i.e. steam) is instantaneously produced inside special energy transfer apparatus where waste heat is converted into fluid energy with desired thermodynamic properties. The superheated vapor is then converted into mechanical energy through special work-producing units (expanders), thereby returning a significant fraction of the energy contained in the waste heat to the power system. When the power system under consideration is an internal combustion engine the energy contained in the exhaust gases (waste heat) is transferred back to the engine through one or more expanders directly or indirectly coupled with the engine load. The energy extracted from the waste heat can also be added back to the engine by an apparatus able to enhance the availability of oxygen (oxygenators) during the combustion. In this case, the engine also improves its dynamic response and reduces its production of toxic emissions. If the engine utilizes heavy fuels (i.e. diesel engines), this device completely eliminates the formation of the highly toxic particulate (black smoke), while significantly improving engine performance. The cost of the energy required to operate the device proposed in this invention is zero since it only recuperates and utilizes energy in the form of heat that is normally discharged into the environment.
대표청구항
▼
The invention claimed is: 1. An auxiliary power unit configured to be coupled to a torque bearing element of a primary power unit, comprising: a fly wheel comprising a drive shaft and a plurality of blades; an injection nozzle for injecting a condensable fluid towards the plurality of blades; a clu
The invention claimed is: 1. An auxiliary power unit configured to be coupled to a torque bearing element of a primary power unit, comprising: a fly wheel comprising a drive shaft and a plurality of blades; an injection nozzle for injecting a condensable fluid towards the plurality of blades; a clutch system configured to selectively couple the drive shaft to the torque bearing element; and a control system configured to control the clutch system to selectively couple the drive shaft to the torque bearing element, wherein the control system is configured to adjust a characteristic parameter of the condensable fluid to adjust a rotational speed of the drive shaft, wherein the control system comprises a first sensor for detecting a speed of the torque bearing element and a second sensor for detecting the speed of the drive shaft, wherein the control system is configured to adjust the characteristic parameter of the condensable fluid based on the detected speeds of the torque bearing element and the drive shaft. 2. The power unit of claim 1, wherein the condensable fluid comprises superheated vapor. 3. The power unit of claim 1, wherein the torque bearing element is a crankshaft of an engine. 4. The power unit of claim 1, wherein the primary power unit is an automobile engine. 5. The power unit of claim 1, further comprising a condensation chamber for condensing the condensable fluid, the condensation chamber comprising an inlet and an outlet, wherein at least a portion of the plurality of blades is disposed in the inlet of the condensation chamber. 6. The power unit of claim 5, wherein the condensation chamber and the fly wheel are housed adjacent to one another within an expander housing. 7. The power unit of claim 5, wherein the outlet of the condensation chamber is hydraulically connected to a condenser. 8. The power unit of claim 1, further comprising a gear system for mechanically coupling the drive shaft of the fly wheel to the clutch system. 9. The power unit of claim 1, further comprising a condensation chamber for condensing the condensable fluid, wherein the condensation chamber is positioned inside a housing that houses the expander wheel. 10. The power unit of claim 1, wherein the characteristic parameter comprises at least one of: pressure, temperature, and mass flow rate of the condensable fluid. 11. The power unit of claim 1, wherein the power unit is detachably mountable to the primary power unit. 12. An auxiliary power unit comprising: a fly wheel housed in a housing and comprising a drive shaft and a plurality of blades substantially forming one body; a condensation chamber positioned inside the housing, the condensation chamber comprising an inlet and an outlet, at least a portion of the plurality of blades is disposed in the inlet of the condensation chamber; an injection nozzle for injecting a condensable fluid towards the plurality of blades and the inlet of the condensation chamber so as to rotate the fly wheel, wherein the drive shaft is mechanically coupled to an electrical converter configured to convert rotational energy of the drive shaft to electrical energy, and wherein the condensation chamber condenses the condensable fluid after the condensable fluid passes through the plurality of blades of the fly wheel, so as to further extract energy of the condensable fluid, and a control system configured to control the injection nozzle, wherein the control system is configured to adjust a characteristic parameter of the condensable fluid to adjust a rotational speed of the fly wheel, wherein the control system comprises a first sensor for detecting a speed of the fly wheel and a second sensor for detecting the speed of the drive shaft, wherein the control system is configured to adjust the characteristic parameter of the condensable fluid based on the detected speeds of the fly wheel and the drive shaft to adjust a speed of the fly wheel. 13. The power unit of claim 12, wherein the electrical converter comprises an electric generator. 14. The power unit of claim 12, wherein the condensable fluid comprises superheated vapor. 15. A method of providing auxiliary power to a primary power unit, comprising: injecting a condensable fluid towards a plurality of blades of a fly wheel to rotate a drive shaft of the fly wheel, detecting a speed of the drive shaft of the fly wheel, detecting a speed of a torque bearing element of the primary power unit, selectively coupling the drive shaft to a torque bearing element of the primary power unit, so as to provide the auxiliary power to the primary power unit, and controlling the selective coupling of the drive shaft and the torque bearing element based on the detected speeds of the torque bearing element and the drive shaft, wherein controlling the selecting coupling comprises adjusting a characteristic parameter of the condensable fluid to adjust the speed of the drive shaft. 16. The method of claim 15, further comprising condensing the condensable fluid immediately after the condensable fluid passes through the plurality of blades. 17. The method of claim 15, wherein selectively coupling is performed by a clutch system. 18. The method of claim 15, wherein: fly wheel is housed in a housing; a condensation chamber for condensing the condensable fluid is positioned inside the housing; and the method further comprises condensing the condensable fluid in the condensation chamber immediately after the condensable fluid passes through the plurality of blades of the fly wheel.
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