- Patent Title: Exhaust gas purification filter and method of producing the same
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Application No.: US14606379Application Date: 2015-01-27
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Publication No.: US10352211B2Publication Date: 2019-07-16
- Inventor: Mikio Ishihara
- Applicant: DENSO CORPORATION
- Applicant Address: JP Kariya
- Assignee: DENSO CORPORATION
- Current Assignee: DENSO CORPORATION
- Current Assignee Address: JP Kariya
- Agency: Nixon & Vanderhye P.C.
- Priority: JP2014-011954 20140127; JP2014-200951 20140930
- Main IPC: B01D46/00
- IPC: B01D46/00 ; B01D46/24 ; F01N3/022

Abstract:
An exhaust gas purification filter collects PM contained in and purifies exhaust gas emitted from a gasoline direct injection engine. The exhaust gas purification filter has a honeycomb structural body which has a plurality of cells, partition walls and plug members. Each of the cells is surrounded by the partition walls. An opening section of one end of each of the cells is plugged by a plug member. The plug members satisfies a relationship of L/D≤50 and L≤3, where L is an average length (mm) of the plug members and D is an average pore size mm of the plug members. The honeycomb structural body and the plug members are made of cordierite. The cordierite contains silica, talc, kaolin, alumina and/or aluminum hydroxide, etc.
Public/Granted literature
- US20150211397A1 EXHAUST GAS PURIFICATION FILTER AND METHOD OF PRODUCING THE SAME Public/Granted day:2015-07-30
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