Title:
車両用排気フィルターを洗浄する方法および装置
Document Type and Number:
Japanese Patent JP2013500421
Kind Code:
A
Abstract:
A method of cleaning a vehicle exhaust system filter (1), the filter (1) having a first end (11) and a second end (10) and comprising a plurality of elongate channels (6) containing debris (19) to be removed, comprises the steps of: (i) providing a chamber (14) having an outlet in fluid communication with the first end (11) of the filter (1); (ii) covering the second end (10) of the filter (1) to hinder fluid flow out of the second end of the filter; (iii) introducing a flow of liquid into the chamber (14); (iv) stopping the flow of liquid into the chamber (14) when the chamber and channels (6) of the filter are substantially filled with liquid; (v) introducing a pulse of compressed gas into the chamber (14), and (vi) uncovering the second end (11) of the filter (1) to allow the gas to force said debris (19) and liquid (17) out of the second end (10) of the filter (1). The invention also provides apparatus for use in the method.
Inventors:
Mills, David Herbert
Forster, Peter Ivan
Forster, Peter Ivan
Application Number:
JP2012521101A
Publication Date:
January 07, 2013
Filing Date:
July 09, 2010
Export Citation:
Assignee:
Ceramex limited
International Classes:
F01N3/02; B01D41/04
Domestic Patent References:
| JP2006242192A | 2006-09-14 | |||
| JP2007154782A | 2007-06-21 | |||
| JP2006242192A | 2006-09-14 | |||
| JP2007154782A | 2007-06-21 | |||
| JPH03267103A | 1991-11-28 |
Foreign References:
| EP1336729A1 | 2003-08-20 | |||
| EP1252919A1 | 2002-10-30 | |||
| EP1060780A1 | 2000-12-20 | |||
| EP1336729A1 | 2003-08-20 | |||
| EP1252919A1 | 2002-10-30 | |||
| EP1060780A1 | 2000-12-20 |
Attorney, Agent or Firm:
Kazuhiro Kiyohara