IPC분류정보
국가/구분 |
United States(US) Patent
등록
|
국제특허분류(IPC7판) |
|
출원번호 |
US-0740652
(2003-12-18)
|
우선권정보 |
DE-101 28 936(2001-06-18); DE-102 28 937(2001-06-18); DE-102 23 452(2002-05-25) |
발명자
/ 주소 |
- Fr채nkle,Gerhard J체rgen
- Schulte,Hermann Josef
- Frisse,Hans Peter
- Jutka,Carsten
- Koll,Jochen
- Kraft,Franz
|
출원인 / 주소 |
- HJS Fahrzeugtechnik GmbH &
- Co.
|
인용정보 |
피인용 횟수 :
4 인용 특허 :
9 |
초록
▼
In a particle filter for exhaust gases of internal combustion engines, particularly Diesel engines, including a filter body with filter pockets which are formed from sinter metal sheets and are wedge-shaped with an opening at the blunt end and edges formed by converging pocket side walls and arrange
In a particle filter for exhaust gases of internal combustion engines, particularly Diesel engines, including a filter body with filter pockets which are formed from sinter metal sheets and are wedge-shaped with an opening at the blunt end and edges formed by converging pocket side walls and arranged adjacent one another such that, between adjacent filter pockets, corresponding opposite spaces are formed with openings facing in a direction opposite to the openings at the blunt end, the filter pockets side walls are spaced from one another by widening means extending along at least an edge of the filter pockets so as to increase the width of the space between the side walls of the filter pockets.
대표청구항
▼
What is claimed is: 1. A particle filter for exhaust gases of internal combustion engine, said particle filter comprising a filter body (1) including filter pockets (2) formed from sinter metal sheets, said filter pockets (2) being wedge-shaped with a triangular cross-section having a blunt end wit
What is claimed is: 1. A particle filter for exhaust gases of internal combustion engine, said particle filter comprising a filter body (1) including filter pockets (2) formed from sinter metal sheets, said filter pockets (2) being wedge-shaped with a triangular cross-section having a blunt end with a pocket opening (8) and transverse and axial wedge edges (7, 15) formed by converging side walls (9, 10), said transverse wedge edges (7) being disposed opposite said blunt end, and said axial wedge edges (15) extending between said transverse edge (7) and an apex of the blunt end of said wedge edge, and a wedge cover (17) disposed opposite the axial wedge edge (15) and extending between the side walls (9, 10), said filter pockets (2) being arranged adjacent one another such that between adjacent filter pockets (2) corresponding opposite spaces are formed with openings facing in a direction opposite said blunt end pocket openings (8), said side walls (9, 10) of adjacent filter pockets (2 ) being, in the area of at least one side wall edge of adjacent side walls of said filter pockets (2), spaced from one another by a predetermined distance by bridging means (25-28, 30-32) so as to increase the width between said opposite side walls along said at least one side wall edge. 2. A particle filter according to claim 1, wherein the bridging means between said walls (9, 10) of said filter pocket (2) in the area of said at least one side wall edge is a spacer member (27, 30) disposed between the side wall edges. 3. A particle filter according to claim 1, wherein said bridging means for spacing said side walls (9, 10) of said filter pockets (2) from one another at their wall edges are bent-over or folded over edge areas (25, 26, 28, 31 , 32) of said side walls (9, 10). 4. A particle filter according to claim 1, wherein at said blunt wedge end, said filter pockets have a ratio of wedge height ( 24) to the width (B) of the wedge cover wall (17) of between 5 and 16. 5. A particle filter according to claim 4, wherein the ratio of wedge height (24) to the wedge cover wall width at the opening (8) is about 8. 6. A particle filter according to claim 1, wherein said filter pockets (2) are grouped around a central support tube ( 18) to form said filter body and said filter side walls (9, 10) are provided with said bridging means at their axial edges extending along said support tube (18). 7. A particle filter according to claim 1, wherein said filter pockets (2) include radially extending spacer inserts ( 34) disposed between said pocket side walls (9, 10) for supporting said pocket walls (9, 10) and for guiding exhaust gas flow and for absorbing heat. 8. A particle filter according to claim 7, wherein said spacer inserts (34) are provided with a catalytic coating. 9. A particle filter according to claim 6, wherein the transverse edges (7) of said pockets (2) are acutely angled and are fixed at their radially outer ends by a support ring (47). 10. A particle filter for exhaust gases of internal combustion engines, said filter comprising a filter body (1) with filter pockets (2) formed from sinter metal sheets, said filter pockets being wedge-shaped with a triangular cross-section having a blunt end with a pocket opening (8) and wedge edges (7, 15) , which are formed by converging pocket side walls (9, 10), one of said wedge edges (7) being a transverse edge disposed opposite said blunt end and the other of said wedge edges (15) extending longitudinally between said transverse edge (7) and an apex of said blunt end of said filter pockets (2) defining therebetween outer spaces which correspond to the filter pocket interior spaces but which are open in a direction opposite to said pocket openings (8) said outer spaces having a volume different from that of said filter pocket interior spaces.
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