초록 ▼

The present device for purifying the exhaust gas of an internal combustion engine comprises a particulate filter 70 on which the trapped particulates are oxidized and reversing means 74 for reversing the exhaust gas upstream side and the exhaust gas downstream side of the particulate filter. The par

The present device for purifying the exhaust gas of an internal combustion engine comprises a particulate filter 70 on which the trapped particulates are oxidized and reversing means 74 for reversing the exhaust gas upstream side and the exhaust gas downstream side of the particulate filter. The particulate filter has a trapping wall for trapping the particulates. The reversing means reverses the exhaust gas upstream side and the exhaust gas downstream side of the particulate filter so that the first trapping surface and the second trapping surface are used alternately to trap the particulates. The particulate filter has a first opening portion and a second opening portion through which the exhaust gas flows in and out from the particulate filter and is arranged in the exhaust pipe 71 upstream of the muffler. At least part of the circumferential portion of the particulate filter between the first opening portion and the second opening portion is in contact with the flow of the exhaust gas in the exhaust pipe.

대표청구항 ▼

The present device for purifying the exhaust gas of an internal combustion engine comprises a particulate filter 70 on which the trapped particulates are oxidized and reversing means 74 for reversing the exhaust gas upstream side and the exhaust gas downstream side of the particulate filter. The par

The present device for purifying the exhaust gas of an internal combustion engine comprises a particulate filter 70 on which the trapped particulates are oxidized and reversing means 74 for reversing the exhaust gas upstream side and the exhaust gas downstream side of the particulate filter. The particulate filter has a trapping wall for trapping the particulates. The reversing means reverses the exhaust gas upstream side and the exhaust gas downstream side of the particulate filter so that the first trapping surface and the second trapping surface are used alternately to trap the particulates. The particulate filter has a first opening portion and a second opening portion through which the exhaust gas flows in and out from the particulate filter and is arranged in the exhaust pipe 71 upstream of the muffler. At least part of the circumferential portion of the particulate filter between the first opening portion and the second opening portion is in contact with the flow of the exhaust gas in the exhaust pipe. rface with said resilient member forcing said mandrel into said reaction surface to expand said circumference. 2. The window regulator assembly according to claim 1, wherein said drum includes a bore defining said reaction surface with one of said reaction surface and said mandrel is tapered. 3. The window regulator assembly according to claim 2, wherein said mandrel includes a frustoconical outer surface received in said bore. 4. The window regulator assembly according to claim 1, wherein said resilient member is a coil spring. 5. The window regulator assembly according to claim 1, wherein said drum biasing assembly includes a retainer with said resilient member interposed between said drum and said retainer. 6. The window regulator assembly according to claim 5, wherein said retainer is secured to said drum. 7. The window regulator assembly according to claim 1, wherein said drum includes a plurality of radial grooves defining a plurality of sectors with said sectors movable relative to one another in response to said resilient member forcing said mandrel into said reaction surface to expand said circumference. 8. A drum assembly for a window regulator comprising: a drum including an axial bore and including a circumference with a cable aperture; and a biasing assembly having a resilient member coacting with said bore and generating a force on said bore to expand said circumference, wherein said drum biasing assembly includes a mandrel interposed between said resilient member and said reaction surface with said resilient member forcing said mandrel into said bore to expand said circumference. 9. The drum assembly according to claim 8, wherein one of said bore and said mandrel is tapered. 10. The drum assembly according to claim 9, wherein said mandrel includes a frustoconical outer surface received in said bore. 11. The drum assembly according to claim 8, wherein said resilient member is a coil spring. 12. The drum assembly according to claim 8, wherein said drum biasing assembly includes a retainer secured to said drum with said resilient member interposed between said drum and said retainer. 13. A drum assembly for a window regulator comprising: a drum including an axial bore and including a circumference with a cable aperture; a biasing assembly having a resilient member coacting with said bore and generating a force on said bore to expand said circumference; and wherein said drum includes a plurality of radial grooves defining a plurality of sectors with said sectors movable relative to one another in response to said resilient member forcing said mandrel into said bore to expand said circumference. 14. A method of taking up slack in a window regulator assembly comprising the steps of: a) providing a window regulator assembly with a drum and cable; b) expanding a circumference of the drum by urging a mandrel into a bore in the drum; and c) wrapping the cable around the drum. 15. The method according to claim 14, wherein step b) forcing a plurality of radial drum sectors away from one another.