[특허]Exhaust flow distribution device

Exhaust flow distribution device 원문보기

IPC분류정보
국가/구분	United States(US) Patent 등록
국제특허분류(IPC7판)	B01D-050/00
출원번호	US-0367880 (2012-02-07)
등록번호	US-8470253 (2013-06-25)
발명자 / 주소	Blaisdell, Jared D. Kundert, Josh J. Hoppenstedt, Bruce
출원인 / 주소	Donaldson Company, Inc.
대리인 / 주소	Merchant & Gould P.C.
인용정보	피인용 횟수 : 0 인용 특허 : 86

초록 ▼

The present disclosure relates to an diesel exhaust treatment device including a main body having a central longitudinal axis that extends between first and second ends of the main body. A catalyzed substrate is positioned within an interior of the main body. A side inlet is positioned at a side of the main body for directing exhaust gas into the interior of the main body. A flow distribution element is positioned within the interior of the main body at a location between the side inlet and an upstream face of the substrate. The flow distribution element extends across a direction of exhaust flow through the main body and is mounted at a side of the main body that is opposite the side inlet.

대표청구항 ▼

1. A diesel exhaust treatment device comprising: a main body having a central longitudinal axis that extends between first and second ends of the main body, the main body defining a flow passage through which exhaust gases flow from the first end to the second end;a catalyzed substrate positioned within the flow passage of the main body, the substrate having an upstream face;a side inlet positioned at a first side portion of the main body for directing the exhaust gases into the flow passage of the main body; anda flow distribution element positioned within the flow passage of the main body at a location between the inlet and the upstream face of the substrate, the flow distribution element extending across a direction of exhaust flow through the main body, the flow distribution element being mounted at a second side portion of the main body that is diametrically opposite the first side portion of the main body such that the side inlet and the flow distribution element are positioned at diametrically opposite sides of the central longitudinal axis of the main body, at least a portion of the flow distribution element having a height that is less than 50 percent of a corresponding internal height of the flow passage of the main body between the inlet and the upstream face of the substrate, wherein the height of the flow distribution element and the internal height of the flow passage of the main body are measured along a plane that is generally perpendicular to the central longitudinal axis. 2. The diesel exhaust treatment device of claim 1, wherein the flow distribution element provides a flow distribution value y at the upstream face of the substrate that is greater than 9. 3. The diesel exhaust treatment device of claim 2, wherein the flow distribution element generates less than 0.1 inches of mercury of back pressure. 4. The diesel exhaust treatment device of claim 1, wherein the flow distribution element includes a plate aligned along the plane that is generally perpendicular to the central longitudinal axis of the main body. 5. The diesel exhaust treatment device of claim 4, wherein the plate is not perforated. 6. The exhaust treatment device of claim 5, wherein the main body has a cylindrical inner diameter, wherein the plate has a lower edge that is curved to match the inner diameter of the main body, and wherein the plate has a generally straight upper edge that extends across the direction of exhaust flow through the main body. 7. The exhaust treatment device of claim 1, wherein the substrate includes a catalytic converter. 8. The exhaust treatment device of claim 7, further comprising a diesel particulate filter mounted within an interior of the main body at a location downstream from the catalytic converter. 9. The exhaust treatment device of claim 1, wherein the side inlet defines a central axis that is generally perpendicular relative to the central longitudinal axis of the main body. 10. The exhaust treatment device of claim 1, wherein the flow distribution element is generally parallel to the upstream face of the substrate. 11. The exhaust treatment device of claim 1, wherein the main body defines a cylindrical inner diameter, and wherein the inner diameter equals the internal height of the main body. 12. The exhaust treatment device of claim 1, wherein the height of the flow distribution element is less than 40 percent of the internal height of the main body. 13. The exhaust treatment device of claim 1, wherein the height of the flow distribution element is less than 30 percent of the internal height of the main body. 14. The exhaust treatment device of claim 1, wherein the height of the flow distribution element is in the range of 10-40 percent of the internal height of the main body. 15. The exhaust treatment device of claim 1, wherein the height of the flow distribution element is in the range of 10-30 percent of the internal height of the main body. 16. The exhaust treatment device of claim 1, wherein the height of the flow distribution element is in the range of 1-5 inches. 17. The exhaust treatment device of claim 1, wherein the height of the flow distribution element is in the range of 2-4 inches. 18. The exhaust treatment device of claim 1, wherein a spacing between the flow distribution element and the upstream face of the substrate is less than 3 inches. 19. The exhaust treatment device of claim 1, wherein a spacing between the flow distribution element and the upstream face of the substrate is less than 2 inches. 20. The exhaust treatment device of claim 1, wherein a spacing between the flow distribution element and the upstream face of the substrate is less than 1 inch. 21. The exhaust treatment device of claim 1, wherein a spacing between the flow distribution element and the upstream face of the substrate is less than 20 percent of the internal height of the main body. 22. The exhaust treatment device of claim 1, wherein a spacing between the flow distribution element and the upstream face of the substrate is less than 10 percent of the internal height of the main body. 23. The exhaust treatment device of claim 1, wherein a spacing between the flow distribution element and the upstream face of the substrate is less than 5 percent of the internal height of the main body. 24. The exhaust treatment device of claim 1, wherein the portion of the flow distribution element is located at the center of the flow passage measured along the plane that is generally perpendicular to the central longitudinal axis.

이 특허에 인용된 특허 (86)

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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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