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Patent Searching and Data


Title:
FILTER WASHING DEVICE AND FILTER WASHING METHOD
Document Type and Number:
Japanese Patent JP2005046729
Kind Code:
A
Abstract:

To provide a filter washing device which makes a detergent aqueous solution such as soap water permeate all fine exhaust gas passages formed in the porous partition wall of a filter and washes the filter by peeling off PM and ashes adherent to the partition wall from the partition wall and a filter washing method.

The filter washing device removes particulate materials caught by the filter 3 and ashes accumulated on the filter from the filter 3 by using the detergent aqueous solution S and high pressure fluid. The device is equipped with a turn table 7 which is installed in a filter washing device main body and on which the filter 3 is mounted rotatably, rotation driving means 8 and 8a which rotate/drive the rotary shaft 9 of the turn table 7, a jet nozzle 13 which is set above the filter 3 mounted on the turn table 7 and ejects the high pressure fluid, and reciprocating drive means 12, 12a, and 12b for reciprocating/driving the jet nozzle 13 above the filter 3 along a surface crossing the rotation center axis L1 of the turn table 7.


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Inventors:
Ishida, Akio
Application Number:
JP2003000281651
Publication Date:
February 24, 2005
Filing Date:
July 29, 2003
Export Citation:
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Assignee:
FUSO ENGINEERING CORPMITSUBISHI FUSO TRUCK & BUS CORP
International Classes:
B08B5/02; B01D41/04; B08B3/02; F01N3/02; (IPC1-7): B08B3/02; B01D41/04; B08B5/02; F01N3/02
Attorney, Agent or Firm:
佐伯 健兒