Method and apparatus for supplying air to emission abatement device by use of turbocharger
IPC분류정보
국가/구분
United States(US) Patent
등록
국제특허분류(IPC7판)
F01N-005/04
F01N-005/00
출원번호
US-0118821
(2005-04-29)
등록번호
US-7464539
(2008-12-16)
발명자
/ 주소
Taylor, III,William
Kong,Yougen
Huffmeyer,Christopher R.
Kozakiewicz,Tomasz
Abel,John
출원인 / 주소
Emcon Technologies LLC
대리인 / 주소
Barnes & Thornburg LLP
인용정보
피인용 횟수 :
1인용 특허 :
14
초록▼
An apparatus comprises a combustion engine, an emission abatement device, and a turbocharger. The emission abatement device is fluidly coupled to the engine to receive exhaust gas therefrom. The turbocharger comprises an air compressor that is fluidly coupled to the engine to supply pressurized air
An apparatus comprises a combustion engine, an emission abatement device, and a turbocharger. The emission abatement device is fluidly coupled to the engine to receive exhaust gas therefrom. The turbocharger comprises an air compressor that is fluidly coupled to the engine to supply pressurized air to the engine and that is fluidly coupled to the emission abatement device via a flow path not including any combustion section of the engine to supply pressurized air to the emission abatement device. An associated method is disclosed.
대표청구항▼
The invention claimed is: 1. A method, comprising operating a turbocharger so as to advance pressurized air (i) from the turbocharger to a combustion engine and (ii) from the turbocharger to a thermal regenerator of an emission abatement device via a flow path not including any combustion section o
The invention claimed is: 1. A method, comprising operating a turbocharger so as to advance pressurized air (i) from the turbocharger to a combustion engine and (ii) from the turbocharger to a thermal regenerator of an emission abatement device via a flow path not including any combustion section of the engine; advancing exhaust gas to the thermal regenerator; and advancing heated exhaust gas from the thermal regenerator to a particulate filter of the emission abatement device to burn particulate matter trapped by the particulate filter. 2. The method of claim 1, wherein the operating step comprises: operating a turbine of the turbocharger with exhaust gas of the engine, and operating an air compressor of the turbocharger in response to operation of the turbine so as to advance pressurized air from compressor to the engine and the emission abatement device. 3. The method of claim 1, wherein the operating step comprises: dividing a stream of pressurized air discharged from an air compressor of the turbocharger into a first air stream and a second air stream, advancing the first air stream to the engine, and advancing the second air stream to the emission abatement device. 4. The method of claim 1, wherein the operating step comprises operating an air valve to control flow of pressurized air from the turbocharger to the engine and to the emission abatement device. 5. The method of claim 1, wherein: the emission abatement device comprises a fuel reformer, and the operating step comprises simultaneously advancing pressurized air from the turbocharger to the engine and from the turbocharger to the fuel reformer. 6. An apparatus, comprising: a combustion engine, an emission abatement device comprising a burner to burn particulate matter trapped by a particulate filter of the emission abatement device, the burner fluidly coupled to the engine to receive exhaust gas therefrom, and a turbocharger comprising an air compressor that is fluidly coupled to the engine to supply pressurized air to the engine and that is fluidly coupled to the burner of the emission abatement device via a flow path not including any combustion section of the engine to supply pressurized air to the burner of the emission abatement device. 7. The apparatus of claim 6, wherein: the engine comprises an air inlet and an exhaust gas outlet, the emission abatement device comprises an air inlet and an exhaust gas inlet, the air compressor comprises a pressurized air outlet fluidly coupled to the air inlets of the engine and the emission abatement device, and the turbocharger comprises a turbine comprising (i) an exhaust gas inlet fluidly coupled to the exhaust gas outlet of the engine and (ii) an exhaust gas outlet fluidly coupled to the exhaust gas inlet of the emission abatement device. 8. The apparatus of claim 6, further comprising first, second, and third air lines secured to one another at a junction, wherein: the first air line connects the air compressor and the junction, the second air line connects the junction and the engine, and the third air line connects the junction and the emission abatement device. 9. The apparatus of claim 8, wherein the third air line comprises an air valve. 10. The apparatus of claim 6, wherein: the emission abatement device comprises a component and a fuel reformer fluidly coupled to the component to supply reformate gas thereto, and the air compressor is fluidly coupled to the fuel reformer to supply pressurized air thereto. 11. The apparatus of claim 10, wherein the fuel reformer is a plasma fuel reformer and the emission abatement component is a NOx adsorber. 12. The apparatus of claim 6, further comprising an air valve configured to control flow of pressurized air from the air compressor to the engine and to the emission abatement device. 13. The apparatus of claim 12, further comprising (i) an engine control unit electrically coupled to the engine and (ii) a controller electrically coupled to the engine control unit, the air valve, and the emission abatement device. 14. The apparatus of claim 12, further comprising an engine control unit electrically coupled to the engine, the air valve, and the emission abatement device. 15. The apparatus of claim 6, further comprising an engine control unit configured to control the engine according to a first engine control mode when pressurized air is advanced from the air compressor to the engine but not to the emission abatement device and configured to control the engine according to a second engine control mode when pressurized air is advanced from the air compressor to the engine and to the emission abatement device. 16. An apparatus, comprising: an emission abatement component, a thermal regenerator configured to receive exhaust gas of a combustion engine and to generate heat for regeneration of the emission abatement component, and a turbocharger comprising an air compressor fluidly coupled to the thermal regenerator via a flow path not including any engine combustion section to supply pressurized air to the thermal regenerator. 17. The apparatus of claim 16, further comprising a fuel supplier and an atomization air supplier, wherein: the emission abatement component comprises a particulate filter, the thermal regenerator comprises a fuel-fired burner for burning particulate matter trapped by the particulate filter, the fuel supplier is fluidly coupled to the burner, the atomization air supplier is fluidly coupled to the burner to supply fuel-atomization air for atomization of fuel supplied by the fuel supplier, and the turbocharger comprises (i) a turbine fluidly coupled to an exhaust gas outlet of a combustion engine and (ii) an air compressor mechanically coupled to the turbine to be operated thereby and fluidly coupled to the burner to supply combustion air for combustion with fuel supplied by the fuel supplier. 18. The apparatus of claim 16, further comprising a combustion engine, wherein the turbocharger is also fluidly coupled to the engine to supply pressurized air thereto.
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