Invention Grant
- Patent Title: Honeycomb filter
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Application No.: US16356297Application Date: 2019-03-18
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Publication No.: US10557390B2Publication Date: 2020-02-11
- Inventor: Fumihiko Yoshioka , Norihiro Wakida , 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: JP2018-066814 20180330
- Main IPC: F01N3/022
- IPC: F01N3/022 ; B01J23/42 ; B01J35/04 ; B29C48/11

Abstract:
A honeycomb filter, including: a honeycomb structure, wherein the honeycomb structure further includes a platinum group element-containing catalyst layer and a trapping layer, the platinum group element-containing catalyst layer is disposed at least on an entire surface of a side of an inner surface of the partition walls surrounding either one of the inflow cells or the outflow cells, the trapping layer does not contain a platinum group element, and the trapping layer is disposed in a range of at least up to 50% with respect to an overall length of the honeycomb structure starting from the outflow end face and is not disposed in a range of at least up to 40% with respect to the overall length starting from the inflow end face, in an extending direction of the cells of the honeycomb structure.
Public/Granted literature
- US20190301328A1 HONEYCOMB FILTER Public/Granted day:2019-10-03
Information query
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