Invention Grant
- Patent Title: Honeycomb filter
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Application No.: US16356268Application Date: 2019-03-18
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Publication No.: US10669906B2Publication Date: 2020-06-02
- Inventor: Fumihiko Yoshioka , Yoshiaki Hatakeyama , Noritaka Masumitsu
- Applicant: NGK Insulators, Ltd. , Honda Motor Co., Ltd.
- Applicant Address: JP Nagoya JP Minato-Ku
- Assignee: NGK Insulators, Ltd.,Honda Motor Co., Ltd.
- Current Assignee: NGK Insulators, Ltd.,Honda Motor Co., Ltd.
- Current Assignee Address: JP Nagoya JP Minato-Ku
- Agency: Burr & Brown, PLLC
- Priority: com.zzzhc.datahub.patent.etl.us.BibliographicData$PriorityClaim@3bd28016
- Main IPC: B01J23/10
- IPC: B01J23/10 ; B01J23/42 ; B01J35/04 ; B01J21/04 ; B01J21/06 ; F01N3/022 ; B29C48/11

Abstract:
A honeycomb filter, including: a honeycomb structure, wherein the honeycomb structure further includes a platinum group element-containing catalyst layer, the platinum group element-containing catalyst layer is disposed only on a side of an inner surface of the partition walls surrounding the inflow cells, and the platinum group element-containing catalyst layer is disposed in a range of at least up to 35% with respect to an overall length of the cells starting from the inflow end face and is not disposed in a range of at least up to 30% with respect to the overall length of the cells starting from the outflow end face, in an extending direction of the cells of the honeycomb structure.
Public/Granted literature
- US20190301327A1 HONEYCOMB FILTER Public/Granted day:2019-10-03
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