Particulate trap for diesel engine

Details Particulate trap for diesel engine Particulate trap for diesel engine

1996-05-30

1999-01-26

Woo, Jay H.

Gas separation

Two or more separators

With framework for edge to edge relation

55484, 55499, 55521, 55524, 55525, 55DIG30, 60311, B01D 2952, B01D 2954

Patent

active

058633111

ABSTRACT:
A particulate trap for a diesel engine use which is less likely to vibrate or deform under exhaust pressures and achieves good results in all of the particulate trapping properties, pressure drop, durability and regenerating properties. This trap has a filter element made of plurality of flat or cylindrical filters. Longitudinally extending exhaust incoming and outgoing spaces are defined alternately between the adjacent filters by alternately closing the inlet and outlet ends of the spaces between the adjacent filters. Gas permeable reinforcing members are inserted in the exhaust outgoing spaces to prevent the filter from being deformed due to the difference between the pressure upstream and downstream of each filter produced when exhausts pass through the filters. Similar gas permeable reinforcing members may also be inserted in the exhaust incoming spaces or at both ends of the filter element to more positively prevent vibration of the filters.

REFERENCES:
patent: 4363644 (1982-12-01), Sato et al.
patent: 4441899 (1984-04-01), Takagi et al.
patent: 4519820 (1985-05-01), Oyobe et al.
patent: 5505757 (1996-04-01), Ishii
patent: 5709722 (1998-01-01), Nagai et al.

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