发明授权
- 专利标题: Method for removing foreign matter from a selective reduction catalyst system
- 专利标题(中): 从选择还原催化剂体系中除去异物的方法
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申请号: US14346222申请日: 2012-08-23
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公开(公告)号: US09441521B2公开(公告)日: 2016-09-13
- 发明人: Yasuo Okamoto , Yuuta Kageyama , Koji Sakumoto
- 申请人: Yasuo Okamoto , Yuuta Kageyama , Koji Sakumoto
- 申请人地址: JP Tokyo
- 专利权人: ISUZU MOTORS LIMITED
- 当前专利权人: ISUZU MOTORS LIMITED
- 当前专利权人地址: JP Tokyo
- 代理机构: Staas & Halsey LLP
- 优先权: JP2011-212944 20110928
- 国际申请: PCT/JP2012/071322 WO 20120823
- 国际公布: WO2013/047032 WO 20130404
- 主分类号: F01N3/18
- IPC分类号: F01N3/18 ; F01N3/20 ; F01N11/00 ; F01N3/10 ; F01N3/021 ; F01N13/00
摘要:
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.
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