Title:
DPF CLEANING DEVICE AND CLEANING METHOD
Document Type and Number:
WIPO Patent Application WO/2013/084586
Kind Code:
A1
Abstract:
The purpose of the present invention is to provide a DPF cleaning device and a cleaning method for the same such that ash that has been deposited in the vicinity of a plug part on the exhaust side of a DPF can be reliably eliminated. According to the present invention, a nozzle moving device has a function for, when moving a nozzle (21) in a direction approaching the DPF (10), inserting the tip of the nozzle (21) into a cell (5) of the DPF (10) at least past a plug part, and the nozzle (21) has a function for causing fluid for cleaning, which is sprayed from spray holes (21a, 21b) in the tip of the nozzle (21), to be sprayed in a direction within a plane orthogonal to the central axis of the nozzle (21) or a direction inclining more to the direction of insertion of the nozzle (21) into the cell (5) than the aforementioned plane.
Inventors:
HIRATA KIMINOBU (JP)
Application Number:
PCT/JP2012/076282
Publication Date:
June 13, 2013
Filing Date:
October 11, 2012
Export Citation:
Assignee:
UD TRUCKS CORP (JP)
HIRATA KIMINOBU (JP)
HIRATA KIMINOBU (JP)
International Classes:
B08B5/00; B01D41/04; F01N3/02; F01N3/022; F01N3/05
Foreign References:
| JP2003262115A | 2003-09-19 | |||
| JPH0436008A | 1992-02-06 |
Attorney, Agent or Firm:
Patent Corporate Body TAKAHASHI Office (JP)
Patent business corporation Takahashi patent firm (JP)
Patent business corporation Takahashi patent firm (JP)
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