Invention Grant
- Patent Title: Method for removing foreign matter from a selective reduction catalyst system
- Patent Title (中): 从选择还原催化剂体系中除去异物的方法
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Application No.: US14346222Application Date: 2012-08-23
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Publication No.: US09441521B2Publication Date: 2016-09-13
- Inventor: Yasuo Okamoto , Yuuta Kageyama , Koji Sakumoto
- Applicant: Yasuo Okamoto , Yuuta Kageyama , Koji Sakumoto
- Applicant Address: JP Tokyo
- Assignee: ISUZU MOTORS LIMITED
- Current Assignee: ISUZU MOTORS LIMITED
- Current Assignee Address: JP Tokyo
- Agency: Staas & Halsey LLP
- Priority: JP2011-212944 20110928
- International Application: PCT/JP2012/071322 WO 20120823
- International Announcement: WO2013/047032 WO 20130404
- Main IPC: F01N3/18
- IPC: F01N3/18 ; F01N3/20 ; F01N11/00 ; F01N3/10 ; F01N3/021 ; F01N13/00
Abstract:
A method and a selective-reduction catalyst system to remove foreign matter which may cause closure of a urea water path of a supply module and therearound. A urea water pressure is changed in the urea water path to remove the foreign matter.
Public/Granted literature
- US20140227138A1 METHOD FOR REMOVING FOREIGN MATTER AND SELECTIVE REDUCTION CATALYST SYSTEM Public/Granted day:2014-08-14
Information query
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