Title:
調量システム及び該調量システムの作動法
Document Type and Number:
Japanese Patent JP2008519932
Kind Code:
A
Abstract:
The invention relates to a dosing system comprising a dosing means for metering a liquid, especially an aqueous urea solution used for the after treatment of exhaust gases generated by combustion engines. The liquid can be conveyed from a reservoir into an exhaust manifold through the dosing means in a normally operating conveying device. According to the invention, at least one area that is located between a dosing point and the reservoir and is impinged upon by the liquid can be emptied counter to a normal transport direction of the liquid.
Inventors:
Wolfgang Lipper
Marx Burgurin
Thorsten Meier
Michael Offenhoover
Dirk Heilich
Marx Burgurin
Thorsten Meier
Michael Offenhoover
Dirk Heilich
Application Number:
JP2007540618A
Publication Date:
June 12, 2008
Filing Date:
September 16, 2005
Export Citation:
Assignee:
ROBERT BOSCH GMBH
International Classes:
F01N3/08; B01D53/86; B01D53/94
Domestic Patent References:
| JPH09511807A | 1997-11-25 |
Foreign References:
| DE10254981A1 | 2004-06-03 |
Attorney, Agent or Firm:
Toshio Yano
Einzel Felix-Reinhard
Reinhard Einsel
Einzel Felix-Reinhard
Reinhard Einsel