发明申请
- 专利标题： Exhaust Gas Cleaning Catalyst, Exhaust Gas Cleaning Device, and System Comprising Internal Combustion Engine
- 专利标题（中）： 废气净化催化剂，废气净化装置及内燃机系统
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申请号： US11659535申请日： 2005-08-24
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公开(公告)号： US20080000222A1公开(公告)日： 2008-01-03
- 发明人: Hirohito Hirata
- 申请人： Hirohito Hirata
- 申请人地址： JP TOYOTA-SHI 471-8571
- 专利权人： TOYOTA JIDOSHA KABUSHIKI KAISHA
- 当前专利权人： TOYOTA JIDOSHA KABUSHIKI KAISHA
- 当前专利权人地址： JP TOYOTA-SHI 471-8571
- 优先权： JP2004-262066 20040909
- 国际申请： PCT/JP05/15835 WO 20050824
- 主分类号： F01N3/00
- IPC分类号： F01N3/00 ; B01D53/94 ; B01J23/10 ; B01J23/38 ; B01J27/02
摘要：
The invention makes use of an exhaust gas catalyst, comprising an active component comprising at least one type of metal from noble metals and transition metals; NOx-absorbing material for absorbing and releasing nitrogen oxides according to the surrounding nitrogen oxide concentration; and compounds represented by A2O2SO4 and/or A2O2S (A is a rare earth element).
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