Title:
METHOD FOR PURGING A DOSING SYSTEM
Document Type and Number:
WIPO Patent Application WO/2010/059819
Kind Code:
A3
Abstract:
A method for purging reductant is disclosed. The method includes dispensing reductant into an exhaust system (12) via a dispensing device (65). The method also includes purging the dispensing device by urging the reductant from the dispensing device to a reductant source (35).
Inventors:
SUN JINHUI (US)
MUPPARAPU SHASHANK (US)
TARABULSKI THEODORE J (US)
PARK PAUL W (US)
MUPPARAPU SHASHANK (US)
TARABULSKI THEODORE J (US)
PARK PAUL W (US)
Application Number:
PCT/US2009/065141
Publication Date:
August 26, 2010
Filing Date:
November 19, 2009
Export Citation:
Assignee:
CATERPILLAR INC (US)
SUN JINHUI (US)
MUPPARAPU SHASHANK (US)
TARABULSKI THEODORE J (US)
PARK PAUL W (US)
SUN JINHUI (US)
MUPPARAPU SHASHANK (US)
TARABULSKI THEODORE J (US)
PARK PAUL W (US)
International Classes:
F01N3/10; F01N3/00; F02B71/00
Domestic Patent References:
| WO2008001598A1 | 2008-01-03 |
Foreign References:
| JP2005248924A | 2005-09-15 | |||
| US6845611B2 | 2005-01-25 | |||
| US20080022663A1 | 2008-01-31 |
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