Invention Grant
- Patent Title: Exhaust gas purifying filter
- Patent Title (中): 废气净化过滤器
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Application No.: US13499002Application Date: 2010-09-30
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Publication No.: US09273574B2Publication Date: 2016-03-01
- Inventor: Masamichi Tanaka , Atsushi Kishimoto , Tadashi Neya , Keita Ishizaki
- Applicant: Masamichi Tanaka , Atsushi Kishimoto , Tadashi Neya , Keita Ishizaki
- Applicant Address: JP Tokyo JP Tokyo
- Assignee: SUMITOMO OSAKA CEMENT CO., LTD.,HONDA MOTOR CO., LTD.
- Current Assignee: SUMITOMO OSAKA CEMENT CO., LTD.,HONDA MOTOR CO., LTD.
- Current Assignee Address: JP Tokyo JP Tokyo
- Agency: Squire Patton Boggs (US) LLP
- Priority: JP2009-228767 20090930
- International Application: PCT/JP2010/067134 WO 20100930
- International Announcement: WO2011/040561 WO 20110407
- Main IPC: F01N3/022
- IPC: F01N3/022 ; B01D46/24

Abstract:
According to the present invention, there is provided an exhaust gas purifying filter capable of effectively removing collected particulate matter. An exhaust gas purifying filter of the present invention includes an inflow surface into which exhaust gas including particulate matter flows, an exhaust surface which exhausts purified gas, and a filter substrate which is constructed of a porous body, wherein the filter substrate includes porous partitions and gas passages which are enclosed by the partitions, and a porous film, which includes silicon carbide and pores having a smaller pore diameter than the pores of the partitions, is provided on the surface of the partitions, and a silicon dioxide layer is formed on at least an outer surface portion of the porous film.
Public/Granted literature
- US20120186240A1 EXHAUST GAS PURIFYING FILTER Public/Granted day:2012-07-26
Information query
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