[특허]Exhaust treatment device with electric regeneration system

Exhaust treatment device with electric regeneration system 원문보기

IPC분류정보
국가/구분	United States(US) Patent 등록
국제특허분류(IPC7판)	F01N-003/00 F01N-003/02 B01D-039/00 B01D-041/00 B01D-045/00 B01D-046/00 B01D-049/00 B01D-050/00 B01D-051/00
출원번호	US-0401417 (2012-02-21)
등록번호	US-8769938 (2014-07-08)
발명자 / 주소	Wagner, Wayne M. Herman, John T. Lorenzen, Mary J. Zhang, Wenzhong
출원인 / 주소	Donaldson Company, Inc.
대리인 / 주소	Merchant & Gould P.C.
인용정보	피인용 횟수 : 0 인용 특허 : 56

초록 ▼

The present disclosure relates to a diesel exhaust treatment device including a catalytic converter positioned upstream from a diesel particulate filter. An electric heater is positioned between the catalytic converter and the diesel particulate filter. A shore station can be used to provide power a

대표청구항 ▼

1. A shore station for use in regenerating diesel particulate filters of exhaust treatment devices by heating the exhaust treatment devices with heaters, the shore station comprising: a control unit having a power input;multiple power output cords extending outwardly from the control unit for allowing the control unit to be connected to multiple heaters at the same time;multiple combustion air lines extending outwardly from the control unit for providing combustion air to multiple exhaust treatment devices in regenerating diesel particulate filters of the exhaust treatment devices, wherein the control unit measures the pressure provided by the combustion air lines such that if the pressure falls below a predetermined level for a predetermined amount of time, the control unit aborts a regeneration event. 2. The shore station of claim 1, wherein the control unit is configured to alternate power between first and second power output cords of the multiple power output cords. 3. The shore station of claim 1, wherein power is not supplied to first and second power output cords of the multiple power output cords at the same time. 4. The shore station of claim 1, further comprising at least one temperature controller configured to receive temperature feedback from thermocouples of the exhaust treatment devices, wherein the temperature controller is configured to control the temperature of the heaters of the exhaust treatment devices. 5. The shore station of claim 1, wherein the control unit is configured to provide power to the heaters of the exhaust treatment devices without providing combustion air to the exhaust treatment devices during a warm up sequence of regeneration. 6. The shore station of claim 5, wherein the control unit is configured to provide air to the exhaust treatment devices without providing power to the heaters during a cool down sequence of regeneration. 7. The shore station of claim 6, wherein the control unit is configured to provide pulses of air at a rate of 1 second on and 6 seconds off during the cool down sequence. 8. The shore station of claim 5, wherein the control unit is configured to provide pulses of air to the exhaust treatment devices after the warm up sequence. 9. The shore station of claim 8, wherein air is pulsed at a rate of 1 second on and 15 seconds off after the warm up sequence. 10. The shore station of claim 8, wherein the control unit is configured to generate an air flow rate of at least 3 cubic feet per minute after the warm up sequence. 11. A shore station for use in regenerating diesel particulate filters of exhaust treatment devices by heating the exhaust treatment devices with heaters, the shore station comprising: a control unit having a power input;multiple power output cords extending outwardly from the control unit for allowing the control unit to be connected to multiple heaters at the same time;multiple combustion air lines extending outwardly from the control unit for providing combustion air to multiple exhaust treatment devices in regenerating diesel particulate filters of the exhaust treatment devices;wherein the control unit is configured to provide power to the heaters of the exhaust treatment devices without providing combustion air to the exhaust treatment devices during a warm up sequence of regeneration and wherein the control unit is configured to provide pulses of air to the exhaust treatment devices after the warm up sequence. 12. The shore station of claim 11, wherein air is pulsed at a rate of 1 second on and 15 seconds off after the warm up sequence. 13. The shore station of claim 11, wherein the control unit is configured to generate an air flow rate of at least 3 cubic feet per minute after the warm up sequence. 14. A shore station for use in regenerating diesel particulate filters of exhaust treatment devices by heating the exhaust treatment devices with heaters, the shore station comprising: a control unit having a power input;multiple power output cords extending outwardly from the control unit for allowing the control unit to be connected to multiple heaters at the same time;multiple combustion air lines extending outwardly from the control unit for providing combustion air to multiple exhaust treatment devices in regenerating diesel particulate filters of the exhaust treatment devices;wherein the control unit is configured to provide power to the heaters of the exhaust treatment devices without providing combustion air to the exhaust treatment devices during a warm up sequence of regeneration, wherein the control unit is configured to provide air to the exhaust treatment devices without providing power to the heaters during a cool down sequence of regeneration, and wherein the control unit is configured to provide pulses of air at a rate of 1 second on and 6 seconds off during the cool down sequence. 15. The shore station of claim 11, wherein the control unit is configured to alternate power between first and second power output cords of the multiple power output cords. 16. The shore station of claim 11, wherein power is not supplied to first and second power output cords of the multiple power output cords at the same time. 17. The shore station of claim 11, further comprising at least one temperature controller configured to receive temperature feedback from thermocouples of the exhaust treatment devices, wherein the temperature controller is configured to control the temperature of the heaters of the exhaust treatment devices. 18. The shore station of claim 11, wherein the control unit is configured to provide air to the exhaust treatment devices without providing power to the heaters during a cool down sequence of regeneration. 19. The shore station of claim 18, wherein the control unit is configured to provide pulses of air at a rate of 1 second on and 6 seconds off during the cool down sequence. 20. A shore station for use in regenerating diesel particulate filters of exhaust treatment devices of at least two different vehicles by heating the exhaust treatment devices with heaters of the at least two different vehicles, the shore station comprising: a control unit having a power input;at least two power output cords extending outwardly from the control unit for allowing the control unit to be connected to the heaters of the at least two different vehicles at the same time and at least two combustion air lines in addition to the at least two power output cords extending outwardly from the control unit for allowing combustion air to be provided to the exhaust treatment devices of the at least two different vehicles for regenerating the diesel particulate filters of the at least two different vehicles at the same time;wherein the control unit is configured to coordinate regeneration of the diesel particulate filters of the exhaust treatment devices of the at least two different vehicles to allow at least a part of a regeneration event of a first vehicle of the at least two vehicles to overlap with at least a part of a regeneration event of a second vehicle of the at least two vehicles to reduce the overall time required to regenerate the diesel particulate filters of the exhaust treatment devices of the at least two different vehicles independently. 21. The shore station of claim 20, wherein the control unit is configured to control the temperatures of the heaters of the at least two different vehicles at the same time by modulating the power back and forth between the heaters of the at least two different vehicles without requiring power to be provided to the heaters of both of the at least two different vehicles at the same time. 22. The shore station of claim 20, further comprising at least one temperature controller configured to receive temperature feedback from thermocouples of the exhaust treatment devices, wherein the temperature controller is configured to control the temperature of the heaters of the exhaust treatment devices. 23. The shore station of claim 20, wherein the control unit is configured to provide power to the heaters of the exhaust treatment devices without providing combustion air to the exhaust treatment devices during a warm up sequence of regeneration. 24. The shore station of claim 23, wherein the control unit is configured to provide pulses of air to the exhaust treatment devices after the warm up sequence. 25. The shore station of claim 23, wherein the control unit is configured to provide air to the exhaust treatment devices without providing power to the heaters during a cool down sequence of regeneration.

이 특허에 인용된 특허 (56)

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IPC	Description
A	생활필수품
A62	인명구조; 소방(사다리 E06C)
A62B	인명구조용의 기구, 장치 또는 방법(특히 의료용에 사용되는 밸브 A61M 39/00; 특히 물에서 쓰이는 인명구조 장치 또는 방법 B63C 9/00; 잠수장비 B63C 11/00; 특히 항공기에 쓰는 것, 예. 낙하산, 투출좌석 B64D; 특히 광산에서 쓰이는 구조장치 E21F 11/00)
A62B-1/08	.. 윈치 또는 풀리에 제동기구가 있는 것

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Exhaust treatment device with electric regeneration system 원문보기

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Exhaust treatment device with electric regeneration system 원문보기

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