汽车尾气净化装置 专利

【专家解说】：中国 专利号-CN1206446C 专利名称-发动机的排气净化用二次空气供应装置 专利申请人-本田技研工业株式会社 专利申请日期-2001.5.30 国际专利分类号-F01N 3/05 专利摘要的第一句话- 本发明提供了一种发动机排气净化用二次空气供应装置，其具有阀装置不增加发动机汽缸轴线方向的长度从而不受气缸盖带来的热损伤的合理结构。 美国 专利号-US6499290B1 专利名称-Engine exhaust purification device 专利申请人-NISSAN MOTOR（发明人：NAKAMURA TAKESHI; SATO RITSUO; KAKIZAKI SHIGEAKI; KAKUYAMA MASATOMO; MATSUNO OSAMU） 专利申请日期-2001.10.2 国际专利分类号-F02D45/00 专利摘要的第一句话- A controller (6) controls an air-fuel ratio of an engine (1) so that an oxygen storage amount of a catalyst (3) provided in an exhaust passage (2) is maintained constant. At this time, the controller (6) computes or estimates the oxygen storage amount separately for a first amount and a second amount, where the first amount is estimated based on a relationship between the first and second amount. 英国 专利号-GB2342056B 专利名称-An exhaust gas purification device for an internal combustion engine 专利申请人-TOYOTA MOTOR CO LTD 专利申请日期-1999.9.15 国际专利分类号-B01D53/94 专利摘要的第一句话- A catalytic converter 70 for an automotive internal combustion engine (i.c.e.) features a NOx absorbing and reducing catalyst 7 ('NOx trap') which on its upstream portion 7a has oxygen storage components (eg: ceria, CeO2).