Chemical apparatus and process disinfecting – deodorizing – preser – Chemical reactor – Waste gas purifier
Patent
1995-10-13
1999-10-05
Kim, Christopher
Chemical apparatus and process disinfecting, deodorizing, preser
Chemical reactor
Waste gas purifier
422176, 422179, 422180, 422181, 55484, 55521, 55524, 55525, 55322, B01D 5000
Patent
active
059619317
ABSTRACT:
A particulate trap for use with a diesel engine is high in particulate trapping capacity and regenerating capacity and low in pressure drop, and yet is compact and inexpensive. This trap has a filter element made up of a plurality of tapered filter members formed from a fabric of heat-resistant metal fibers. The filter members have different diameters from each other and are nested concentrically one inside the other so that the adjacent filter members are positioned inversely. Each filter member is connected at its large-diameter end to the small-diameter end of the immediately outer filter member to alternately close the exhaust inlet and outlet ends of the gaps between the adjacent filter members. The filter element thus formed is mounted in a metal case provided in an exhaust line and used as a particulate trap. With this arrangement, it is possible to increase the particulate trapping area of the filter and the exhaust inlet openings without increasing the size of the entire trap. Such a trap is less likely to suffer pressure drop and is highly durable.
REFERENCES:
patent: 5089237 (1992-02-01), Schuster et al.
patent: 5098670 (1992-03-01), Haerle
patent: 5171341 (1992-12-01), Merry
patent: 5174969 (1992-12-01), Fischer et al.
patent: 5228891 (1993-07-01), Adiletta
patent: 5356598 (1994-10-01), Boubehira et al.
Ban Syunsuke
Ihara Tomohiko
Kobashi Kiyoshi
Nagai Yoichi
Yanagihara Hiromichi
Kim Christopher
Sumitomo Electric Industries Ltd.
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